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" >&6; } if ${lt_cv_path_NM+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM=$NM else lt_nm_to_check=${ac_tool_prefix}nm if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/$lt_tmp_nm if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then # Check to see if the nm accepts a BSD-compat flag. # Adding the 'sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty case $build_os in mingw*) lt_bad_file=conftest.nm/nofile ;; *) lt_bad_file=/dev/null ;; esac case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in *$lt_bad_file* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break 2 ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break 2 ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS=$lt_save_ifs done : ${lt_cv_path_NM=no} fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 $as_echo "$lt_cv_path_NM" >&6; } if test no != "$lt_cv_path_NM"; then NM=$lt_cv_path_NM else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 $as_echo "$DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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" >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if ${lt_cv_sys_max_cmd_len+:} false; then : $as_echo_n "(cached) " >&6 else i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). 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Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n "$lt_cv_sys_max_cmd_len"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 $as_echo_n "checking how to convert $build file names to $host format... " >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test yes != "$GCC"; then reload_cmds=false fi ;; darwin*) if test yes = "$GCC"; then reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # 'unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # that responds to the $file_magic_cmd with a given extended regex. # If you have 'file' or equivalent on your system and you're not sure # whether 'pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd* | bitrig*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case $with_sysroot in #( yes) if test yes = "$GCC"; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 $as_echo "$with_sysroot" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 $as_echo_n "checking for a working dd... " >&6; } if ${ac_cv_path_lt_DD+:} false; then : $as_echo_n "(cached) " >&6 else printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i : ${lt_DD:=$DD} if test -z "$lt_DD"; then ac_path_lt_DD_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in dd; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_lt_DD" || continue if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: fi $ac_path_lt_DD_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_lt_DD"; then : fi else ac_cv_path_lt_DD=$lt_DD fi rm -f conftest.i conftest2.i conftest.out fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 $as_echo "$ac_cv_path_lt_DD" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 $as_echo_n "checking how to truncate binary pipes... " >&6; } if ${lt_cv_truncate_bin+:} false; then : $as_echo_n "(cached) " >&6 else printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i lt_cv_truncate_bin= if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" fi rm -f conftest.i conftest2.i conftest.out test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 $as_echo "$lt_cv_truncate_bin" >&6; } # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in $*""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test no = "$enable_libtool_lock" || enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out what ABI is being produced by ac_compile, and set mode # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE=32 ;; *ELF-64*) HPUX_IA64_MODE=64 ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test yes = "$lt_cv_prog_gnu_ld"; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; mips64*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then emul=elf case `/usr/bin/file conftest.$ac_objext` in *32-bit*) emul="${emul}32" ;; *64-bit*) emul="${emul}64" ;; esac case `/usr/bin/file conftest.$ac_objext` in *MSB*) emul="${emul}btsmip" ;; *LSB*) emul="${emul}ltsmip" ;; esac case `/usr/bin/file conftest.$ac_objext` in *N32*) emul="${emul}n32" ;; esac LD="${LD-ld} -m $emul" fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. Note that the listed cases only cover the # situations where additional linker options are needed (such as when # doing 32-bit compilation for a host where ld defaults to 64-bit, or # vice versa); the common cases where no linker options are needed do # not appear in the list. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) case `/usr/bin/file conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*linux*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*linux*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test yes != "$lt_cv_cc_needs_belf"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS=$SAVE_CFLAGS fi ;; *-*solaris*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*|x86_64-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test yes != "$lt_cv_path_mainfest_tool"; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 $as_echo "$ac_ct_OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 $as_echo_n "checking for -single_module linker flag... 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We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. 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The following line is correct: shared_flag='-G' else if test yes = "$aix_use_runtimelinking"; then shared_flag='$wl-G' else shared_flag='$wl-bM:SRE' fi shared_flag_aix='$wl-bM:SRE' shared_flag_svr4='$wl-G' fi fi export_dynamic_flag_spec='$wl-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag else if test ia64 = "$host_cpu"; then hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' $wl-bernotok' allow_undefined_flag=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; 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dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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" >&6; } if ${lt_cv_prog_compiler__b+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler__b=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 $as_echo "$lt_cv_prog_compiler__b" >&6; } if test yes = "$lt_cv_prog_compiler__b"; then archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test yes = "$GCC"; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 $as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test yes = "$lt_cv_irix_exported_symbol"; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler ld_shlibs=yes archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' ;; esac ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd* | bitrig*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' else archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath,$libdir' fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes ;; osf3*) if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test yes = "$GCC"; then wlarc='$wl' archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='$wl-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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# This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. Aside from not # being certain /sbin/ldconfig is available, command # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, # even though it is searched at run-time. Try to do the best guess by # appending ld.so.conf contents (and includes) to the search path. if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd* | bitrig*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... 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" >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen=shl_load else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen=dlopen else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... 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Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock ])# _LT_ENABLE_LOCK # _LT_PROG_AR # ----------- m4_defun([_LT_PROG_AR], [AC_CHECK_TOOLS(AR, [ar], false) : ${AR=ar} : ${AR_FLAGS=cru} _LT_DECL([], [AR], [1], [The archiver]) _LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], [lt_cv_ar_at_file=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM], [echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' AC_TRY_EVAL([lt_ar_try]) if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a AC_TRY_EVAL([lt_ar_try]) if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a ]) ]) if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi _LT_DECL([], [archiver_list_spec], [1], [How to feed a file listing to the archiver]) ])# _LT_PROG_AR # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], [_LT_PROG_AR AC_CHECK_TOOL(STRIP, strip, :) test -z "$STRIP" && STRIP=: _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac _LT_DECL([], [old_postinstall_cmds], [2]) _LT_DECL([], [old_postuninstall_cmds], [2]) _LT_TAGDECL([], [old_archive_cmds], [2], [Commands used to build an old-style archive]) _LT_DECL([], [lock_old_archive_extraction], [0], [Whether to use a lock for old archive extraction]) ])# _LT_CMD_OLD_ARCHIVE # _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------------------- # Check whether the given compiler option works AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi _LT_DECL([dlopen_support], [enable_dlopen], [0], [Whether dlopen is supported]) _LT_DECL([dlopen_self], [enable_dlopen_self], [0], [Whether dlopen of programs is supported]) _LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], [Whether dlopen of statically linked programs is supported]) ])# LT_SYS_DLOPEN_SELF # Old name: AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) # _LT_COMPILER_C_O([TAGNAME]) # --------------------------- # Check to see if options -c and -o are simultaneously supported by compiler. # This macro does not hard code the compiler like AC_PROG_CC_C_O. m4_defun([_LT_COMPILER_C_O], [m4_require([_LT_DECL_SED])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; 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sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; 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then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # _LT_DLL_DEF_P([FILE]) # --------------------- # True iff FILE is a Windows DLL '.def' file. # Keep in sync with func_dll_def_p in the libtool script AC_DEFUN([_LT_DLL_DEF_P], [dnl test DEF = "`$SED -n dnl -e '\''s/^[[ ]]*//'\'' dnl Strip leading whitespace -e '\''/^\(;.*\)*$/d'\'' dnl Delete empty lines and comments -e '\''s/^\(EXPORTS\|LIBRARY\)\([[ ]].*\)*$/DEF/p'\'' dnl -e q dnl Only consider the first "real" line $1`" dnl ])# _LT_DLL_DEF_P # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw) AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM=-lm) ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test yes = "$GCC"; 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What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd*) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; 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*) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; 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then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; 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Moving up from 0x10000000 also allows more sbrk(2) space. _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' ;; gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) tmp_diet=no if test linux-dietlibc = "$host_os"; then case $cc_basename in diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) esac fi if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ && test no = "$tmp_diet" then tmp_addflag=' $pic_flag' tmp_sharedflag='-shared' case $cc_basename,$host_cpu in pgcc*) # Portland Group C compiler _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' tmp_addflag=' $pic_flag' ;; pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group f77 and f90 compilers _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' tmp_addflag=' $pic_flag -Mnomain' ;; ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 tmp_addflag=' -i_dynamic' ;; efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 tmp_addflag=' -i_dynamic -nofor_main' ;; ifc* | ifort*) # Intel Fortran compiler tmp_addflag=' -nofor_main' ;; lf95*) # Lahey Fortran 8.1 _LT_TAGVAR(whole_archive_flag_spec, $1)= tmp_sharedflag='--shared' ;; nagfor*) # NAGFOR 5.3 tmp_sharedflag='-Wl,-shared' ;; xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) tmp_sharedflag='-qmkshrobj' tmp_addflag= ;; nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes ;; esac case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes tmp_sharedflag='-G' ;; *Sun\ F*) # Sun Fortran 8.3 tmp_sharedflag='-G' ;; esac _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' if test yes = "$supports_anon_versioning"; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' fi case $cc_basename in tcc*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic' ;; xlf* | bgf* | bgxlf* | mpixlf*) # IBM XL Fortran 10.1 on PPC cannot create shared libs itself _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' if test yes = "$supports_anon_versioning"; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' fi ;; esac else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' wlarc= else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' fi ;; solaris*) if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then _LT_TAGVAR(ld_shlibs, $1)=no cat <<_LT_EOF 1>&2 *** Warning: The releases 2.8.* of the GNU linker cannot reliably *** create shared libraries on Solaris systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) _LT_TAGVAR(ld_shlibs, $1)=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) # For security reasons, it is highly recommended that you always # use absolute paths for naming shared libraries, and exclude the # DT_RUNPATH tag from executables and libraries. But doing so # requires that you compile everything twice, which is a pain. if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; esac ;; sunos4*) _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; esac if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then runpath_var= _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= _LT_TAGVAR(export_dynamic_flag_spec, $1)= _LT_TAGVAR(whole_archive_flag_spec, $1)= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) _LT_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_TAGVAR(always_export_symbols, $1)=yes _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. _LT_TAGVAR(hardcode_minus_L, $1)=yes if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. _LT_TAGVAR(hardcode_direct, $1)=unsupported fi ;; aix[[4-9]]*) if test ia64 = "$host_cpu"; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag= else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' else _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. If -brtl is somewhere in LDFLAGS, we # have runtime linking enabled, and use it for executables. # For shared libraries, we enable/disable runtime linking # depending on the kind of the shared library created - # when "with_aix_soname,aix_use_runtimelinking" is: # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables # "aix,yes" lib.so shared, rtl:yes, for executables # lib.a static archive # "both,no" lib.so.V(shr.o) shared, rtl:yes # lib.a(lib.so.V) shared, rtl:no, for executables # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a(lib.so.V) shared, rtl:no # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a static archive case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) for ld_flag in $LDFLAGS; do if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then aix_use_runtimelinking=yes break fi done if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then # With aix-soname=svr4, we create the lib.so.V shared archives only, # so we don't have lib.a shared libs to link our executables. # We have to force runtime linking in this case. aix_use_runtimelinking=yes LDFLAGS="$LDFLAGS -Wl,-brtl" fi ;; esac exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. _LT_TAGVAR(archive_cmds, $1)='' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_direct_absolute, $1)=yes _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(file_list_spec, $1)='$wl-f,' case $with_aix_soname,$aix_use_runtimelinking in aix,*) ;; # traditional, no import file svr4,* | *,yes) # use import file # The Import File defines what to hardcode. _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=no ;; esac if test yes = "$GCC"; then case $host_os in aix4.[[012]]|aix4.[[012]].*) # We only want to do this on AIX 4.2 and lower, the check # below for broken collect2 doesn't work under 4.3+ collect2name=`$CC -print-prog-name=collect2` if test -f "$collect2name" && strings "$collect2name" | $GREP resolve_lib_name >/dev/null then # We have reworked collect2 : else # We have old collect2 _LT_TAGVAR(hardcode_direct, $1)=unsupported # It fails to find uninstalled libraries when the uninstalled # path is not listed in the libpath. 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The following line is correct: shared_flag='-G' else if test yes = "$aix_use_runtimelinking"; then shared_flag='$wl-G' else shared_flag='$wl-bM:SRE' fi shared_flag_aix='$wl-bM:SRE' shared_flag_svr4='$wl-G' fi fi _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. _LT_TAGVAR(always_export_symbols, $1)=yes if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. _LT_TAGVAR(allow_undefined_flag, $1)='-berok' # Determine the default libpath from the value encoded in an # empty executable. _LT_SYS_MODULE_PATH_AIX([$1]) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag else if test ia64 = "$host_cpu"; then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. _LT_SYS_MODULE_PATH_AIX([$1]) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' fi _LT_TAGVAR(archive_cmds_need_lc, $1)=yes _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! 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solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; 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The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. 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You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. 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If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. 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If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. reiserfsprogs-3.6.25/ChangeLog0000644000175000001440000004713212725335567013221 000000000000002016-06-06 3.6.25 release. reiserfsprogs: use com_err in reiserfs_open reiserfscore: fix "new_insert_key may be used uninitialized..." reiserfsprogs: fix issues with inline functions man: Fixes a little glitch in the man page. manpages: escape dashes fsck: remove namesys.com reference in error text reiserfscore: constify struct pointer arguments reiserfscore: constify strings reiserfslib: add basic extended attribute helpers reiserfslib: add file data and directory iterators mkreiserfs: move block_size_ok out of reiserfscore debugreiserfs: fix incorrect memset size in unpack_stat_data reiserfsprogs: remove dead code debugreiserfs: fix use after free while closing log reiserfsprogs: add helpers for constant endian routines build: introduce shared libreiserfscore.so and export it reiserfsprogs: convert reiserfs_filsys_t from structure to pointer-to-structure reiserfsprogs: annotate for endian safeness reiserfsprogs: fix remaining sparse warnings reiserfsprogs: Fix sparse "warning: Using plain integer as NULL pointer" sparse: move bitops functions to include/misc.h reiserfscore: rename usearch_by_position to reiserfs_search_by_position reiserfscore: make reiserfs_open's filename argument const swab: protect le32_to_cpu and friends against being defined twice reiserfs_fs.h: Eliminate overlays in offset_v2 helpers reiserfscore: move endian helpers for offset_v2 into header reiserfs_fs.h: Fix ifndef for multiple inclusion cleanup: remove unused argument to reiserfs_invalidate_buffer cleanup: remove dead code cleanup: remove unnecessary fs pointer passed with buffer_infos cleanup: factor out buffer_info initialization into helpers cleanup: rename key and item_head accessors to more friendly names cleanup: remove trailing whitespace cleanup: run indent with the Linux Kernel style across all code cleanup: rename common structure names 2013-08-25 3.6.24 release. reiserfsprogs: autogenerate the version number in the man pages journal: fix division by 0 with one transaction in log (crash) CREDITS/CONTACT: remove non-historical references to namesys.com resize_reiserfs: fix > 8TB printf formatting man: create links to common-prefix command names reiserfsprogs: add symlinks for debugreiserfs and reiserfstune 2013-07-01 3.6.23 release. clean up build environment clean up io-failure-emulation logic a bit mkreiserfs: stop printing credits reiserfscore: add support for register_printf_specifier reiserfsck: support `fsck -f -n` reiserfscore: fix uninitialized variable warning in print_indirect_item reiserfsprogs: fix -Wpointer-sign warnings for blocksize and position debugreiserfs: fix dereferencing type-punned pointer warning reiserfsprogs: fix unsigned char with strlen/strcmp/strncpy warnings reiserfsprogs: fix printf formatting warnings reiserfsprogs: fix set-but-not-used gcc warnings reiserfsprogs: remove autoconf-generated files 2012-10-16 3.6.22 release. - Fix signedness issues for large file systems - fix use after free with fsck_progress - configure: use AC_MSG_NOTICE rather than `echo` - install standard {fsck,mkfs}.reiserfs symlinks 2009-01-09 3.6.21 release. 2009-01-09 Patches from Jeff Mahoney: - reiserfsprogs-mkreiserfs-quiet.diff - reiserfsprogs-large-block-warning.diff - reiserfsprogs-fsck-mapid.diff - reiserfsprogs-external-journal-changes.diff - reiserfsprogs-remove-stupid-fsck_sleep.diff - reiserfsprogs-mkfs-use-o_excl.diff - reiserfsprogs-enforce-block-limit.diff - reiserfsprogs-large-fs.diff - reiserfsprogs-better-fsck-a-behavior.diff - reiserfsprogs-remove-dependency-on-asm_unaligned.h.diff - reiserfsprogs-progress.diff - reiserfsprogs-reorder-libs.diff Patches from Ludwig Nussel: - mkreiserfs-set-the-owner-of-the-root-directory-to-the-calling-user.diff Patches from Edward Shishkin: - reiserfsprogs-disable-small-block.diff - reiserfsprogs-new-version.diff 2004-10-13 3.6.19 release. 2004-09-22 Some bug fixes: - stop handling directory item if it has been removed on fsck pass0 - handle correctly cases when hash functions return 0 - additional check for wrong order of hashes when generation counters differ. 2004-08-18 {get|set}_unaligned macroses fix for broken powerpc linux kernel headers. 2004-08-18 Patches from Jeff Mahoney: - warnings cleanups - sd_blocks check fix for quota - make fsck -a works quitely - fix the definition of BLKGETSIZE64 2004-08-03 3.6.18 release. 2004-06-18 Make the oid map code endian safe. 2004-05-27 Syncing host & journal devices after replaing every transaction. 2004-05-26 Do not left uninitialized fields in item headers before insertion. 2004-05-25 Fixes in unaligned access to unformatted block pointers. 2004-05-24 Make reiserfsck to handle suse's block allocator changes correctly. 2004-05-04 3.6.17 release. 2004-04-30 a few minor bugs were fixed: - mark changed leaves as dirty; - overflow at the huge hole insertion. 2004-04-05 man pages were rewritten. 2004-03-22 move 'unpack' program to 'debugreiserfs -u'. 2004-03-18 3.6.14 & 3.6.15-pre1 releases. 2004-03-16 reiserfsprogs a few bugs were fixed: in the journal replay code; in the balancing code when removing items from broken leaves; in the mount entry detection code with mtab handling. 2004-03-04 reiserfsprogs a fix for the cross compiling when generating include/credits.h 2004-02-27 reiserfsprogs a bug in the spec file was fixed. 2004-02-26 reiserfsck a bug with setting the file size limit was fixed. 2004-02-17 reiserfsprogs make bynaries to be 'position independent' when dynamically linked to libc. 2004-02-17 3.6.13 release. 2004-02-13 reiserfsprogs a few bugs were fixed in the mount entry detection code. 3.6.13-pre1 release. 2004-02-06 3.6.12 release. 2004-01-26 3.6.12-pre3 release. 2004-01-21 A few bugs were fixed: *reiserfsck - break from the pass2 loop correctly; *resizer - calculate the new fs size correctly; - parse new size parameters correctly; - checks for the new fs size are fixed; 2004-01-15 *reiserfsprogs UUID support is rewritten -- link to libuuid instead of our own UUID support. 2004-01-12 *reiserfsprogs A fix for mount entry detection. 2003-12-17 *reiserfsck A bug in rebuild-sb was fixed. 2003-11-24 *reiserfsck Reboot is needed (0x2) return code was added. 2003-10-03 *reiserfs_resizer Some checks before shrinking are added avoiding segfault in some cases. 2003-09-29 *reiserfsprogs bad block support is enabled and fixed. 2003-09-23 *reiserfsprogs fix for counting block number on block devices with block size greater then 4k. 2003-09-18 *reiserfsck ro mounted filesystems are allowed to be checked. 2003-08-22i *reiserfsck fix for the journal of the minimal size 2003-08-01 *reiserfsprogs 3.6.11 release. 2003-07-30 *reiserfsck 2 bugs were fixed: - 64bit architecture related; - object attributes related. 2003-07-16 *reiserfsprogs Credits were changed. A pair of them are printed at mkfs time. *reiserfsprogs 3.6.9 release. 2003-06-25 *reiserfsprogs Bugs were fixed: - in reiserfsck rebuild-sb of relocated journal; - in reiserfstune --no-journal-available; - in bitmap handling during resizing; - in mkreiserfs with notstandard journal on the main device with not standard offset; - in not standard journal creation. 2003-05-29 *reiserfsprogs Bugs in journal traversing and in rebuild-sb were fixed. 2003-05-20 *reiserfsck Forks another process with openned file descriptor of the partition being checked when fscking on boot and sleep for 5 secs to avoid reading of all bitmaps on mount again. 2003-05-16 *mkreiserfs A bug with not standard journal cretion was fixed. *reiserfsprogs 3.6.8 release. 2003-05-07 *reiserfsck Exit codes were fixed; --yes option was added into fsck *mkreiserfs --quiet option was added into mkfs 2003-05-06 *reiserfsprogs A bug in journal replaying code when the only transaction exists was fixed. 2003-05-01 *reiserfsprogs Make fsck to proceed when wrong journal parameters in the journal header on a fs with standard journal detected fixing them with the warning. *reiserfsprogs 3.6.7 release. 2003-04-24 *reiserfsprogs 3.6.6 release. 2003-04-01 *reiserfsprogs Bug with flushing buffers on bad file descriptor was fixed. *reiserfstune Bugs with not standard journal were fixed. 2003-03-13 *reiserfsck Leaves recovery was improved - if some items are detected, try to recover the leaf even if block head is corrupted. 2003-03-04 *reiserfsck The objectid handling was improved, significant speedup at semantic pass and lost+found pass. 2003-02-27 *reiserfsprogs The check if the last block on fs is readable was moved from bitmap check to fs_open. Check transactions content before replaying, sware on invalid content instead of replay attempts, print about results. *reiserfsprogs 3.6.5 release. 2003-02-21 *reiserfsck a critical bug on pass0 of rebuild-tree with overflowing while checking unformatted item offsets was fixed. *reiserfsprogs 3.6.5-pre2 release. 2003-02-20 *reiserfsck reiserfsck -a (started at boot) replays journal, checks error flags in sb, bitmaps, fs size, 2 levels of internal tree and switches to fixble mode if any problem is detected. For root fs fixable cannot be performed (as fs is mounted) and just --check will be done. 2003-02-14 *reiserfsck fix-fixable does not relocated shared object ids anymore. Bug in relocation - entry key was not updated correctly with the new key of relocated file. 2003-02-12 *reiserfsprogs Journal replay was improved - check blocks if they are journable before replaying; - replay only transactions which has trans_id == last replayed transaction trans_id + 1. 2003-02-10 *reiserfsprogs le bitops operations were added back to avoid arch dependence with including asm/bitops.h - we should use le operations even on be mashins. 2003-01-31 *reiserfsprogs Warning messages about the broken hardware were improved. 2003-01-30 *reiserfsprogs Check for bits in ondisk bitmaps after the last valid bit was added - all these bits should be set to 1. 2002-12-13 *reiserfsck Keep only permanent fields of the super block, but not the whole super block, in separate memory while replaying. 2002-12-11 *reiserfsck While openning the journal check that journal parameters in super block and in jheader mathches; Advice to run rebuild-sb if not. While rebuilding super block, do the same check and ask the user if he wants to rebuild the jheader or continue without the journal or he wants to change the start of the partition before using reiserfsck. 2002-12-04 *reiserfsprogs 3.6.5-pre1 is released. 2002-12-02 *reiserfsck a few bugs were fixed: - bug in balancing code led to abort when a leaf could be viewed as a super block; - bug in checking statdata size for symlinks - there cannot be a hole at the end of symlink. 2002-11-28 *reiserfsck pass0 does not need a true objectid map, just those objectids which are not used. This sppedups pass0 a lot as many memoves are eliminated. *reiserfsck bug with item format for symlinks was fixed. 2002-10-02 *reiserfsprogs 3.6.4 is released. 2002-09-24 *reiserfsck bitmap handling was improved: fix-fixable fixes not only those blocks of bitmap which are wrongly marked as unused, but those which are wrongly marked as used also. 2002-09-10 * reiserfsck fix-fixable fixes item header formats, check complains about wrong ones. * reiserfsck check/fix-fixable does not complain about/fix file sizes if safe link exists. 2002-08-30 * reiserfsck user recieves a warning if dma mode/speed is descreased - it could happen due to hardware problems. 2002-08-20 * reiserfsprogs Warning/error messages were changed to more user friendly form. 2002-08-15 * reiserfsck Correction of nlinks on fix-fixable was disabled, because fix-fixable zeroes nlinks on the first pass and wants to increment them on semantic pass. But semantic pass is skipped if there are fatal corruptions. 2002-08-11 * reiserfsck exit codes were fixed 2002-08-08 * reiserfsck a critical bug in journal replaying was fixed. * reiserfsprogs called 3.6.3. 2002-06-06 * reiserfsck speedup for pass2: avoid checking whether a file body should be rewritten every time we have another item to insert into it. 2002-05-30 * reiserfsck speedup for pass2: avoid checking whether a file should be relocated on every insertion of a new item into it. Check it only for the first time. 2002-06-27 * reiserfsprogs called 3.6.2 2002-05-20 * reiserfsck speedup for pass2: do not check whether a file should be relocated if the file body was previously deleted from the tree and is inserted again. 2002-05-15 * reiserfsck speedup for pass2: insertion by many pointers at once was added 2002-05-10 * reiserfsck fix-fixable is able to fix wrong nlinks. check makes some check about nlinks also. 2002-04-30 * reiserfsck delete direntries of old format in new format directories 2002-03-29 * reiserfsprogs bad blocks support added. 2002-03-15 * reiserfsprogs different blocksize support added. 2002-02-18 * debugreiserfs new option -J, prints a journal header. 2002-02-10 * reiserfsprogs a few speedups were added. 2002-02-05 * reiserfsprogs optimization of the work with disk buffers. 2002-01-28 * mkreiserfs zeroing the first block on the device if not SPARC 2002-01-26 * reiserfsck a few speedups were added. 2002-01-20 * debugreiserfs investigation of unused space added (-D -U options, hidden) 2002-01-16 * reiserfsprogs support for UUID and LABEL was added 2002-01-15 * reiserfstune creates a standard journal from a non-standard 2001-12-25 * reiserfsck Handles safe links. 2001-12-03 * reiserfsck Filenames output during tree scan is now nicely scrolled left and right, when entire line does not fit the screen. 2001-11-20 * reiserfsck Can rebuild superblock properly. 2001-11-03 * reiserfsck Can now backup all data which get changed during fscking and can rollback all changes. 2001-10-30 * reiserfsprogs mkreiserfs/reiserfsck/reiserfstune/debugreiserfs work with relocated journal 2001-09-30 * debugreiserfs super block editor (-C -B 16) 2001-08-23 * reiserfsck --fix-fixable becomes a mode, can fix everything what does not need to rebuild a tree. --fix-non-critical option moved to --ajust-file-size option, work in --fix-fixable and --rebuild-tree modes. 2001-07-19 * mkreiserfs can now create non-standard journal: journal size, offset, device may now vary * reiserfstune initial release. Allows to change journal parameters for existing filesystems * reisrefsck it now sets "consistency checked" flag after --rebuild-tree and --check which did not find anything broken * man pages updated 2001-06-25 * mkreiserfs long options (--journal-device, --journal-size) * library reiserfs_create, reiserfs_create_journal 2001-06-20 * global changes Jeff's patch (safe endianness) is merged (with changes) mlock is used to estimate amount of memory available 2001-06-14 * reiserfsck update journal header when transaction is replayed 2001-06-13 * reiserfsck lost+found's mode is set to drwx------ after lost+found pass 2001-06-08 * library functions to deal with journal 2001-06-05 * global change Unified access via get_/set_ macroses is added for fields of struct key, struct item_head, struct reiserfs_journal_desc/commit, struct block_head, struct disk_child 2001-05-22 * global change Access to super block's fields are unified vid get_sb_xxx and set_sb_xxx macroses 2001-05-05 * called 3.x.0k-pre4 * reiserfsck entries in lost+found are removed on pass 0 2001-05-03 * mkreiserfs first 64k get zeroed now. This kills JFS if it was there * reiserfsprogs.spec (Anthon van der Neut) prereleases can be built by rpm now link from /sbin/mkreiserfs to /sbin/mkfs.reiserfs guess about reiserfs kernel support is added 2001-04-16 * reiserfsck in --check mode it exits with 0 if there were no corruptions found, 1 if there were only corruptions fixable by --fix-fixable or 2 if --rebuild-tree is required man page updated, simple example of using reiserfsck is added 2001-04-15 * mkreiserfs bug in confirmation dialogs fixed 2001-04-13-Friday * reiserfsck --hash option makes reiserfsck to skip blocks having directory entries created with other hash. It is useful together with --scan-whole-partition --background option allows to fork fsck end exit (useful for running remotely) 2001-03-31 * reiserfsck empty lost directories do not get linked into /lost+found 2001-03-28 * reiserfsck --nolog option is added 2001-03-26 * called 3.x.0j * reiserfsck with -o it tries to fix "objectid sharing" problem * reiserfsprogs.spec (Anthon van der Neut) rpm can be built as non-root link from reiserfsck to fsck.reiserfs rpm -e reiserfsprogs should now work without rmdir of / 2001-03-13 * reiserfsck --quiet option is added --fix-bogus-files option is added to fix transprently corrupted modes and to fix sizes which are longer that real file size directory item verifying changed -u has been replaced with -b to pass reiserfsck the list of block to build tree off -c is added to have pass 0 to save bitmap fo leaves found 2001-03-10 * called 3.x.0h * configure.in RPM_OPT_FLASG is added to CFLAGS (Anthon van der Neut) * reiserfsck -u option is added. It should save time when repeating --rebuild-tree hash hits statistic is added on pass 0 2001-03-07 * reiserfsck -V option to print version and exit added --fix-fixable changed: directory's sd_size and st_blocks corrections, removing of entries pointing to nowhere * resize_reiserfs man page is added 2001-03-05 * resize_reiserfs Marcel Waldvogel 's user interface and error messages improvements 2001-03-01 * mkreiserfs -q option is added (Larry Auton ) * reiserfsck --fix-fixable changed: bitmap correction commented out. Correction of broken slots of indirect items and corrections of dir entry state added 2001-02-23 * called 3.x.0e * reiserfsck not tested on 2.2 is now able to work with regular file (2.4.x is needed for that) lost+found fixed: it now first links directories then files. Still not good as it can not pull out deep directory 2001-02-19 * called 3.x.0c * reiserfsck --fix-fixable option is added. So far it only repairs bitmaps and free block count when they mismatch * library reiserfs_find/add_entry added 2001-02-05 * mkreiserfs can make filesystem with 1 data block 3.6 format is now default 2001-01-20 * portability Zam ran the reiserfsprogs on alpha * resizer Zam managed to resize few partitions. * reiserfsck pass0 deletes items which are out of order, tries to fix items with zeroed k_objectid or k_dir_id and to throw items which are transparently out of order and tries to fix "." and ".." of directory items. Pass0 corrects also corruptions in directory items * man pages: get included into dist when doing 'make dist' * mkreisrefs explains what is mininal size of reiserfs partition which can be created 2001-01-12 * reiserfsck: --interactive option is added * debugreiserfs: few bugs fixed 2001-01-07 * reiserfs library: started with reiserfs_open, reiserfs_close, bitmap tools * reiserfsck: filesystem mounted read-only can be checked number of options decreased journal replay fixed pass 0 added. fsck can be stopped after the tree is built. (should safe time when debugging) a lot of work still left * debugreiserfs: metadata packing changed added a feature to intentionally corrupt filesystem (should be useful for fsck debugging) * resizer: not updated yet * man pages: updated for all three progs reiserfsprogs-3.6.25/INSTALL0000644000175000001440000003661012725336310012462 00000000000000Installation Instructions ************************* Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Basic Installation ================== Briefly, the shell command `./configure && make && make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. 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The `short' variant lists options used only in the top level, while the `recursive' variant lists options also present in any nested packages. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--prefix=DIR' Use DIR as the installation prefix. *note Installation Names:: for more details, including other options available for fine-tuning the installation locations. `--no-create' `-n' Run the configure checks, but stop before creating any output files. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. reiserfsprogs-3.6.25/NEWS0000644000175000001440000000000012035576142012113 00000000000000reiserfsprogs-3.6.25/README0000644000175000001440000000636712202317257012316 00000000000000 Reiserfs is a file system based on balanced tree algorithms, which is described at www.namesys.com. [LICENSING] ReiserFSprogs is hereby licensed under the GNU General Public License version 2 but with the following "Anti-Plagiarism" modification: You may not remove any credits or brand marks, or cause them to not display, unless you are an end user (that is, you are not redistributing to others). Yes, there really are people with the nerve to remove credits from software they did not write, or only wrote a small part of, and they are even frequently occurring sad to say. Credits are not ads, credits describe someone's contribution to the project (e.g. labor or money) whereas an ad says something else. Source code files that contain the phrase "licensing governed by reiserfsprogs/README" are "governed files" throughout that file. Governed files are licensed under this license. The portions of them owned by Hans Reiser, or authorized to be licensed by him, have been in the past, and likely will be in the future, licensed to other parties under other licenses. If you add your code to governed files, and don't want it to be owned by Hans Reiser, put your copyright label on that code so we can keep things straight. It will be a kindness if you identify whether Hans Reiser is allowed to license code labeled as owned by you on your behalf other than under this license, because he wants to know if it is okay to do so and put a check in the mail to you (for non-trivial improvements) when he makes his next sale. He makes no guarantees as to the amount if any, though he feels motivated to motivate contributors, and you can surely discuss this with him before or after contributing. You have the right to decline to allow him to license your code contribution other than under this license or the GPL. Further licensing options are available for commercial and/or other interests directly from reiser@namesys.com

[END LICENSING] Send bug reports to reiserfs-devel@vger.kernel.org. Hideous Commercial Pitch: Spread your development costs across other OS vendors. Select from the best in the world, not the best in your building, by buying from third party OS component suppliers. Leverage the software component development power of the internet. Be the most aggressive in taking advantage of the commercial possibilities of decentralized internet development, and add value through your branded integration that you sell as an operating system. Let your competitors be the ones to compete against the entire internet by themselves. Be hip, get with the new economic trend, before your competitors do. Send email to reiser@namesys.com. To understand the code, after reading the website, start reading the code by reading reiserfs_fs.h first. IMPORTANT NOTE: As of approximately October 2007, namesys.com has been offline and all of the original Namesys staff have gone on to other ventures or are otherwise unavailable. All removals of the namesys.com domain from the code and documentation are to avoid confusion by users, not to avoid proper attribution. Reiserfsprogs has been maintained by the ReiserFS development community for some time and can be reached at reiserfs-devel@vger.kernel.org. reiserfsprogs-3.6.25/compile0000755000175000001440000001624512725336310013011 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2012-10-14.11; # UTC # Copyright (C) 1999-2014 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. 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Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. Copyright 1992-2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. 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We still # use `HOST_CC' if defined, but it is deprecated. # Portable tmp directory creation inspired by the Autoconf team. set_cc_for_build=' trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; : ${TMPDIR=/tmp} ; { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; dummy=$tmp/dummy ; tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; case $CC_FOR_BUILD,$HOST_CC,$CC in ,,) echo "int x;" > $dummy.c ; for c in cc gcc c89 c99 ; do if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then CC_FOR_BUILD="$c"; break ; fi ; done ; if test x"$CC_FOR_BUILD" = x ; then CC_FOR_BUILD=no_compiler_found ; fi ;; ,,*) CC_FOR_BUILD=$CC ;; ,*,*) CC_FOR_BUILD=$HOST_CC ;; esac ; set_cc_for_build= ;' # This is needed to find uname on a Pyramid OSx when run in the BSD universe. # (ghazi@noc.rutgers.edu 1994-08-24) if (test -f /.attbin/uname) >/dev/null 2>&1 ; then PATH=$PATH:/.attbin ; export PATH fi UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown case "${UNAME_SYSTEM}" in Linux|GNU|GNU/*) # If the system lacks a compiler, then just pick glibc. # We could probably try harder. LIBC=gnu eval $set_cc_for_build cat <<-EOF > $dummy.c #include #if defined(__UCLIBC__) LIBC=uclibc #elif defined(__dietlibc__) LIBC=dietlibc #else LIBC=gnu #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` ;; esac case "${UNAME_MACHINE}" in i?86) test -z "$VENDOR" && VENDOR=pc ;; *) test -z "$VENDOR" && VENDOR=unknown ;; esac test -f /etc/SuSE-release -o -f /.buildenv && VENDOR=suse # Note: order is significant - the case branches are not exclusive. case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in *:NetBSD:*:*) # NetBSD (nbsd) targets should (where applicable) match one or # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently # switched to ELF, *-*-netbsd* would select the old # object file format. This provides both forward # compatibility and a consistent mechanism for selecting the # object file format. # # Note: NetBSD doesn't particularly care about the vendor # portion of the name. We always set it to "unknown". sysctl="sysctl -n hw.machine_arch" UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ /usr/sbin/$sysctl 2>/dev/null || echo unknown)` case "${UNAME_MACHINE_ARCH}" in armeb) machine=armeb-unknown ;; arm*) machine=arm-unknown ;; sh3el) machine=shl-unknown ;; sh3eb) machine=sh-unknown ;; sh5el) machine=sh5le-unknown ;; *) machine=${UNAME_MACHINE_ARCH}-unknown ;; esac # The Operating System including object format, if it has switched # to ELF recently, or will in the future. case "${UNAME_MACHINE_ARCH}" in arm*|i386|m68k|ns32k|sh3*|sparc|vax) eval $set_cc_for_build if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ELF__ then # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). # Return netbsd for either. 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Ake) contributed MIS and NILE. if test "`(/bin/universe) 2>/dev/null`" = att ; then echo pyramid-pyramid-sysv3 else echo pyramid-pyramid-bsd fi exit ;; NILE*:*:*:dcosx) echo pyramid-pyramid-svr4 exit ;; DRS?6000:unix:4.0:6*) echo sparc-icl-nx6 exit ;; DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) case `/usr/bin/uname -p` in sparc) echo sparc-icl-nx7; exit ;; esac ;; s390x:SunOS:*:*) echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4H:SunOS:5.*:*) echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) echo i386-pc-auroraux${UNAME_RELEASE} exit ;; i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) eval $set_cc_for_build SUN_ARCH="i386" # If there is a compiler, see if it is configured for 64-bit objects. # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. # This test works for both compilers. if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then SUN_ARCH="x86_64" fi fi echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:6*:*) # According to config.sub, this is the proper way to canonicalize # SunOS6. 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The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-${VENDOR}-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/lslpp ] ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-${VENDOR}-osf1mk else echo ${UNAME_MACHINE}-${VENDOR}-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-${VENDOR}-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-${VENDOR}-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-${VENDOR}-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-${VENDOR}-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW64*:*) echo ${UNAME_MACHINE}-pc-mingw64 exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; *:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-${VENDOR}-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-${VENDOR}-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-${VENDOR}-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-${VENDOR}-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-${VENDOR}-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-${VENDOR}-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-${VENDOR}-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; aarch64:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="gnulibc1" ; fi echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}eabi else echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC}eabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; i*86:Linux:*:*) echo ${UNAME_MACHINE}-pc-linux-${LIBC} exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-${VENDOR}-linux-${LIBC}"; exit; } ;; openrisc*:Linux:*:*) echo or1k-${VENDOR}-linux-${LIBC} exit ;; or32:Linux:*:* | or1k*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; padre:Linux:*:*) echo sparc-${VENDOR}-linux-${LIBC} exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-${VENDOR}-linux-${LIBC} exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-${VENDOR}-linux-${LIBC} ;; PA8*) echo hppa2.0-${VENDOR}-linux-${LIBC} ;; *) echo hppa-${VENDOR}-linux-${LIBC} ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-${VENDOR}-linux-${LIBC} exit ;; ppc:Linux:*:*) echo powerpc-${VENDOR}-linux-${LIBC} exit ;; ppc64le:Linux:*:*) echo powerpc64le-${VENDOR}-linux-${LIBC} exit ;; ppcle:Linux:*:*) echo powerpcle-${VENDOR}-linux-${LIBC} exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux-${LIBC} exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-${LIBC} exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-${VENDOR}-linux-${LIBC} exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-${VENDOR}-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-${VENDOR}-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-${VENODR}-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-${VENDOR}-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-${VENODR}-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-${VENDOR}-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-${VENDOR}-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-${VENDOR}-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-${VENDOR}-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-${VENDOR}-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-${VENDOR}-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown eval $set_cc_for_build if test "$UNAME_PROCESSOR" = unknown ; then UNAME_PROCESSOR=powerpc fi if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi fi elif test "$UNAME_PROCESSOR" = i386 ; then # Avoid executing cc on OS X 10.9, as it ships with a stub # that puts up a graphical alert prompting to install # developer tools. Any system running Mac OS X 10.7 or # later (Darwin 11 and later) is required to have a 64-bit # processor. This is not true of the ARM version of Darwin # that Apple uses in portable devices. UNAME_PROCESSOR=x86_64 fi echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-*:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-${VENDOR}-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-${VENDOR}-tops10 exit ;; *:TENEX:*:*) echo pdp10-${VENDOR}-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-${VENDOR}-tops20 exit ;; *:ITS:*:*) echo pdp10-${VENDOR}-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-${VENDOR}-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-${VENDOR}-esx exit ;; esac cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: reiserfsprogs-3.6.25/config.sub0000755000175000001440000010622312725336310013412 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2014 Free Software Foundation, Inc. timestamp='2014-12-03' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze*) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | visium \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; leon|leon[3-9]) basic_machine=sparc-$basic_machine ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | visium-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... In the 1st form, copy SRCFILE to DSTFILE. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --help display this help and exit. --version display version info and exit. -c (ignored) -C install only if different (preserve the last data modification time) -d create directories instead of installing files. -g GROUP $chgrpprog installed files to GROUP. -m MODE $chmodprog installed files to MODE. -o USER $chownprog installed files to USER. -s $stripprog installed files. -t DIRECTORY install into DIRECTORY. -T report an error if DSTFILE is a directory. 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . PROGRAM=libtool PACKAGE=libtool VERSION=2.4.6 package_revision=2.4.6 ## ------ ## ## Usage. ## ## ------ ## # Run './libtool --help' for help with using this script from the # command line. ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # After configure completes, it has a better idea of some of the # shell tools we need than the defaults used by the functions shared # with bootstrap, so set those here where they can still be over- # ridden by the user, but otherwise take precedence. : ${AUTOCONF="autoconf"} : ${AUTOMAKE="automake"} ## -------------------------- ## ## Source external libraries. ## ## -------------------------- ## # Much of our low-level functionality needs to be sourced from external # libraries, which are installed to $pkgauxdir. # Set a version string for this script. scriptversion=2015-01-20.17; # UTC # General shell script boiler plate, and helper functions. # Written by Gary V. Vaughan, 2004 # Copyright (C) 2004-2015 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # As a special exception to the GNU General Public License, if you distribute # this file as part of a program or library that is built using GNU Libtool, # you may include this file under the same distribution terms that you use # for the rest of that program. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNES FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # Please report bugs or propose patches to gary@gnu.org. ## ------ ## ## Usage. ## ## ------ ## # Evaluate this file near the top of your script to gain access to # the functions and variables defined here: # # . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh # # If you need to override any of the default environment variable # settings, do that before evaluating this file. ## -------------------- ## ## Shell normalisation. ## ## -------------------- ## # Some shells need a little help to be as Bourne compatible as possible. # Before doing anything else, make sure all that help has been provided! DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac fi # NLS nuisances: We save the old values in case they are required later. _G_user_locale= _G_safe_locale= for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test set = \"\${$_G_var+set}\"; then save_$_G_var=\$$_G_var $_G_var=C export $_G_var _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" fi" done # CDPATH. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH # Make sure IFS has a sensible default sp=' ' nl=' ' IFS="$sp $nl" # There are apparently some retarded systems that use ';' as a PATH separator! if test "${PATH_SEPARATOR+set}" != set; then PATH_SEPARATOR=: (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || PATH_SEPARATOR=';' } fi ## ------------------------- ## ## Locate command utilities. ## ## ------------------------- ## # func_executable_p FILE # ---------------------- # Check that FILE is an executable regular file. func_executable_p () { test -f "$1" && test -x "$1" } # func_path_progs PROGS_LIST CHECK_FUNC [PATH] # -------------------------------------------- # Search for either a program that responds to --version with output # containing "GNU", or else returned by CHECK_FUNC otherwise, by # trying all the directories in PATH with each of the elements of # PROGS_LIST. # # CHECK_FUNC should accept the path to a candidate program, and # set $func_check_prog_result if it truncates its output less than # $_G_path_prog_max characters. func_path_progs () { _G_progs_list=$1 _G_check_func=$2 _G_PATH=${3-"$PATH"} _G_path_prog_max=0 _G_path_prog_found=false _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} for _G_dir in $_G_PATH; do IFS=$_G_save_IFS test -z "$_G_dir" && _G_dir=. for _G_prog_name in $_G_progs_list; do for _exeext in '' .EXE; do _G_path_prog=$_G_dir/$_G_prog_name$_exeext func_executable_p "$_G_path_prog" || continue case `"$_G_path_prog" --version 2>&1` in *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; *) $_G_check_func $_G_path_prog func_path_progs_result=$func_check_prog_result ;; esac $_G_path_prog_found && break 3 done done done IFS=$_G_save_IFS test -z "$func_path_progs_result" && { echo "no acceptable sed could be found in \$PATH" >&2 exit 1 } } # We want to be able to use the functions in this file before configure # has figured out where the best binaries are kept, which means we have # to search for them ourselves - except when the results are already set # where we skip the searches. # Unless the user overrides by setting SED, search the path for either GNU # sed, or the sed that truncates its output the least. test -z "$SED" && { _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for _G_i in 1 2 3 4 5 6 7; do _G_sed_script=$_G_sed_script$nl$_G_sed_script done echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed _G_sed_script= func_check_prog_sed () { _G_path_prog=$1 _G_count=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo '' >> conftest.nl "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin rm -f conftest.sed SED=$func_path_progs_result } # Unless the user overrides by setting GREP, search the path for either GNU # grep, or the grep that truncates its output the least. test -z "$GREP" && { func_check_prog_grep () { _G_path_prog=$1 _G_count=0 _G_path_prog_max=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo 'GREP' >> conftest.nl "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin GREP=$func_path_progs_result } ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # All uppercase variable names are used for environment variables. These # variables can be overridden by the user before calling a script that # uses them if a suitable command of that name is not already available # in the command search PATH. : ${CP="cp -f"} : ${ECHO="printf %s\n"} : ${EGREP="$GREP -E"} : ${FGREP="$GREP -F"} : ${LN_S="ln -s"} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} ## -------------------- ## ## Useful sed snippets. ## ## -------------------- ## sed_dirname='s|/[^/]*$||' sed_basename='s|^.*/||' # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='s|\([`"$\\]\)|\\\1|g' # Same as above, but do not quote variable references. sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' # Sed substitution that converts a w32 file name or path # that contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-'\' parameter expansions in output of sed_double_quote_subst that # were '\'-ed in input to the same. If an odd number of '\' preceded a # '$' in input to sed_double_quote_subst, that '$' was protected from # expansion. Since each input '\' is now two '\'s, look for any number # of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. _G_bs='\\' _G_bs2='\\\\' _G_bs4='\\\\\\\\' _G_dollar='\$' sed_double_backslash="\ s/$_G_bs4/&\\ /g s/^$_G_bs2$_G_dollar/$_G_bs&/ s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g s/\n//g" ## ----------------- ## ## Global variables. ## ## ----------------- ## # Except for the global variables explicitly listed below, the following # functions in the '^func_' namespace, and the '^require_' namespace # variables initialised in the 'Resource management' section, sourcing # this file will not pollute your global namespace with anything # else. There's no portable way to scope variables in Bourne shell # though, so actually running these functions will sometimes place # results into a variable named after the function, and often use # temporary variables in the '^_G_' namespace. If you are careful to # avoid using those namespaces casually in your sourcing script, things # should continue to work as you expect. And, of course, you can freely # overwrite any of the functions or variables defined here before # calling anything to customize them. EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. # Allow overriding, eg assuming that you follow the convention of # putting '$debug_cmd' at the start of all your functions, you can get # bash to show function call trace with: # # debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name debug_cmd=${debug_cmd-":"} exit_cmd=: # By convention, finish your script with: # # exit $exit_status # # so that you can set exit_status to non-zero if you want to indicate # something went wrong during execution without actually bailing out at # the point of failure. exit_status=$EXIT_SUCCESS # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath=$0 # The name of this program. progname=`$ECHO "$progpath" |$SED "$sed_basename"` # Make sure we have an absolute progpath for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` progdir=`cd "$progdir" && pwd` progpath=$progdir/$progname ;; *) _G_IFS=$IFS IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS=$_G_IFS test -x "$progdir/$progname" && break done IFS=$_G_IFS test -n "$progdir" || progdir=`pwd` progpath=$progdir/$progname ;; esac ## ----------------- ## ## Standard options. ## ## ----------------- ## # The following options affect the operation of the functions defined # below, and should be set appropriately depending on run-time para- # meters passed on the command line. opt_dry_run=false opt_quiet=false opt_verbose=false # Categories 'all' and 'none' are always available. Append any others # you will pass as the first argument to func_warning from your own # code. warning_categories= # By default, display warnings according to 'opt_warning_types'. Set # 'warning_func' to ':' to elide all warnings, or func_fatal_error to # treat the next displayed warning as a fatal error. warning_func=func_warn_and_continue # Set to 'all' to display all warnings, 'none' to suppress all # warnings, or a space delimited list of some subset of # 'warning_categories' to display only the listed warnings. opt_warning_types=all ## -------------------- ## ## Resource management. ## ## -------------------- ## # This section contains definitions for functions that each ensure a # particular resource (a file, or a non-empty configuration variable for # example) is available, and if appropriate to extract default values # from pertinent package files. Call them using their associated # 'require_*' variable to ensure that they are executed, at most, once. # # It's entirely deliberate that calling these functions can set # variables that don't obey the namespace limitations obeyed by the rest # of this file, in order that that they be as useful as possible to # callers. # require_term_colors # ------------------- # Allow display of bold text on terminals that support it. require_term_colors=func_require_term_colors func_require_term_colors () { $debug_cmd test -t 1 && { # COLORTERM and USE_ANSI_COLORS environment variables take # precedence, because most terminfo databases neglect to describe # whether color sequences are supported. test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} if test 1 = "$USE_ANSI_COLORS"; then # Standard ANSI escape sequences tc_reset='' tc_bold=''; tc_standout='' tc_red=''; tc_green='' tc_blue=''; tc_cyan='' else # Otherwise trust the terminfo database after all. test -n "`tput sgr0 2>/dev/null`" && { tc_reset=`tput sgr0` test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` tc_standout=$tc_bold test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` } fi } require_term_colors=: } ## ----------------- ## ## Function library. ## ## ----------------- ## # This section contains a variety of useful functions to call in your # scripts. Take note of the portable wrappers for features provided by # some modern shells, which will fall back to slower equivalents on # less featureful shells. # func_append VAR VALUE # --------------------- # Append VALUE onto the existing contents of VAR. # We should try to minimise forks, especially on Windows where they are # unreasonably slow, so skip the feature probes when bash or zsh are # being used: if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then : ${_G_HAVE_ARITH_OP="yes"} : ${_G_HAVE_XSI_OPS="yes"} # The += operator was introduced in bash 3.1 case $BASH_VERSION in [12].* | 3.0 | 3.0*) ;; *) : ${_G_HAVE_PLUSEQ_OP="yes"} ;; esac fi # _G_HAVE_PLUSEQ_OP # Can be empty, in which case the shell is probed, "yes" if += is # useable or anything else if it does not work. test -z "$_G_HAVE_PLUSEQ_OP" \ && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ && _G_HAVE_PLUSEQ_OP=yes if test yes = "$_G_HAVE_PLUSEQ_OP" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_append () { $debug_cmd eval "$1+=\$2" }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_append () { $debug_cmd eval "$1=\$$1\$2" } fi # func_append_quoted VAR VALUE # ---------------------------- # Quote VALUE and append to the end of shell variable VAR, separated # by a space. if test yes = "$_G_HAVE_PLUSEQ_OP"; then eval 'func_append_quoted () { $debug_cmd func_quote_for_eval "$2" eval "$1+=\\ \$func_quote_for_eval_result" }' else func_append_quoted () { $debug_cmd func_quote_for_eval "$2" eval "$1=\$$1\\ \$func_quote_for_eval_result" } fi # func_append_uniq VAR VALUE # -------------------------- # Append unique VALUE onto the existing contents of VAR, assuming # entries are delimited by the first character of VALUE. For example: # # func_append_uniq options " --another-option option-argument" # # will only append to $options if " --another-option option-argument " # is not already present somewhere in $options already (note spaces at # each end implied by leading space in second argument). func_append_uniq () { $debug_cmd eval _G_current_value='`$ECHO $'$1'`' _G_delim=`expr "$2" : '\(.\)'` case $_G_delim$_G_current_value$_G_delim in *"$2$_G_delim"*) ;; *) func_append "$@" ;; esac } # func_arith TERM... # ------------------ # Set func_arith_result to the result of evaluating TERMs. test -z "$_G_HAVE_ARITH_OP" \ && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ && _G_HAVE_ARITH_OP=yes if test yes = "$_G_HAVE_ARITH_OP"; then eval 'func_arith () { $debug_cmd func_arith_result=$(( $* )) }' else func_arith () { $debug_cmd func_arith_result=`expr "$@"` } fi # func_basename FILE # ------------------ # Set func_basename_result to FILE with everything up to and including # the last / stripped. if test yes = "$_G_HAVE_XSI_OPS"; then # If this shell supports suffix pattern removal, then use it to avoid # forking. Hide the definitions single quotes in case the shell chokes # on unsupported syntax... _b='func_basename_result=${1##*/}' _d='case $1 in */*) func_dirname_result=${1%/*}$2 ;; * ) func_dirname_result=$3 ;; esac' else # ...otherwise fall back to using sed. _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` if test "X$func_dirname_result" = "X$1"; then func_dirname_result=$3 else func_append func_dirname_result "$2" fi' fi eval 'func_basename () { $debug_cmd '"$_b"' }' # func_dirname FILE APPEND NONDIR_REPLACEMENT # ------------------------------------------- # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. eval 'func_dirname () { $debug_cmd '"$_d"' }' # func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT # -------------------------------------------------------- # Perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # For efficiency, we do not delegate to the functions above but instead # duplicate the functionality here. eval 'func_dirname_and_basename () { $debug_cmd '"$_b"' '"$_d"' }' # func_echo ARG... # ---------------- # Echo program name prefixed message. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname: $_G_line" done IFS=$func_echo_IFS } # func_echo_all ARG... # -------------------- # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_echo_infix_1 INFIX ARG... # ------------------------------ # Echo program name, followed by INFIX on the first line, with any # additional lines not showing INFIX. func_echo_infix_1 () { $debug_cmd $require_term_colors _G_infix=$1; shift _G_indent=$_G_infix _G_prefix="$progname: $_G_infix: " _G_message=$* # Strip color escape sequences before counting printable length for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" do test -n "$_G_tc" && { _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` } done _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes func_echo_infix_1_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_infix_1_IFS $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 _G_prefix=$_G_indent done IFS=$func_echo_infix_1_IFS } # func_error ARG... # ----------------- # Echo program name prefixed message to standard error. func_error () { $debug_cmd $require_term_colors func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 } # func_fatal_error ARG... # ----------------------- # Echo program name prefixed message to standard error, and exit. func_fatal_error () { $debug_cmd func_error "$*" exit $EXIT_FAILURE } # func_grep EXPRESSION FILENAME # ----------------------------- # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $debug_cmd $GREP "$1" "$2" >/dev/null 2>&1 } # func_len STRING # --------------- # Set func_len_result to the length of STRING. STRING may not # start with a hyphen. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_len () { $debug_cmd func_len_result=${#1} }' else func_len () { $debug_cmd func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` } fi # func_mkdir_p DIRECTORY-PATH # --------------------------- # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { $debug_cmd _G_directory_path=$1 _G_dir_list= if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then # Protect directory names starting with '-' case $_G_directory_path in -*) _G_directory_path=./$_G_directory_path ;; esac # While some portion of DIR does not yet exist... while test ! -d "$_G_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. _G_dir_list=$_G_directory_path:$_G_dir_list # If the last portion added has no slash in it, the list is done case $_G_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` done _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` func_mkdir_p_IFS=$IFS; IFS=: for _G_dir in $_G_dir_list; do IFS=$func_mkdir_p_IFS # mkdir can fail with a 'File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$_G_dir" 2>/dev/null || : done IFS=$func_mkdir_p_IFS # Bail out if we (or some other process) failed to create a directory. test -d "$_G_directory_path" || \ func_fatal_error "Failed to create '$1'" fi } # func_mktempdir [BASENAME] # ------------------------- # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, BASENAME is the basename for that directory. func_mktempdir () { $debug_cmd _G_template=${TMPDIR-/tmp}/${1-$progname} if test : = "$opt_dry_run"; then # Return a directory name, but don't create it in dry-run mode _G_tmpdir=$_G_template-$$ else # If mktemp works, use that first and foremost _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` if test ! -d "$_G_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race _G_tmpdir=$_G_template-${RANDOM-0}$$ func_mktempdir_umask=`umask` umask 0077 $MKDIR "$_G_tmpdir" umask $func_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$_G_tmpdir" || \ func_fatal_error "cannot create temporary directory '$_G_tmpdir'" fi $ECHO "$_G_tmpdir" } # func_normal_abspath PATH # ------------------------ # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. func_normal_abspath () { $debug_cmd # These SED scripts presuppose an absolute path with a trailing slash. _G_pathcar='s|^/\([^/]*\).*$|\1|' _G_pathcdr='s|^/[^/]*||' _G_removedotparts=':dotsl s|/\./|/|g t dotsl s|/\.$|/|' _G_collapseslashes='s|/\{1,\}|/|g' _G_finalslash='s|/*$|/|' # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` while :; do # Processed it all yet? if test / = "$func_normal_abspath_tpath"; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result"; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_notquiet ARG... # -------------------- # Echo program name prefixed message only when not in quiet mode. func_notquiet () { $debug_cmd $opt_quiet || func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_relative_path SRCDIR DSTDIR # -------------------------------- # Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. func_relative_path () { $debug_cmd func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=$func_dirname_result if test -z "$func_relative_path_tlibdir"; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test -n "$func_stripname_result"; then func_append func_relative_path_result "/$func_stripname_result" fi # Normalisation. If bindir is libdir, return '.' else relative path. if test -n "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result" func_relative_path_result=$func_stripname_result fi test -n "$func_relative_path_result" || func_relative_path_result=. : } # func_quote_for_eval ARG... # -------------------------- # Aesthetically quote ARGs to be evaled later. # This function returns two values: # i) func_quote_for_eval_result # double-quoted, suitable for a subsequent eval # ii) func_quote_for_eval_unquoted_result # has all characters that are still active within double # quotes backslashified. func_quote_for_eval () { $debug_cmd func_quote_for_eval_unquoted_result= func_quote_for_eval_result= while test 0 -lt $#; do case $1 in *[\\\`\"\$]*) _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;; *) _G_unquoted_arg=$1 ;; esac if test -n "$func_quote_for_eval_unquoted_result"; then func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg" else func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg" fi case $_G_unquoted_arg in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and variable expansion # for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") _G_quoted_arg=\"$_G_unquoted_arg\" ;; *) _G_quoted_arg=$_G_unquoted_arg ;; esac if test -n "$func_quote_for_eval_result"; then func_append func_quote_for_eval_result " $_G_quoted_arg" else func_append func_quote_for_eval_result "$_G_quoted_arg" fi shift done } # func_quote_for_expand ARG # ------------------------- # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { $debug_cmd case $1 in *[\\\`\"]*) _G_arg=`$ECHO "$1" | $SED \ -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;; *) _G_arg=$1 ;; esac case $_G_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") _G_arg=\"$_G_arg\" ;; esac func_quote_for_expand_result=$_G_arg } # func_stripname PREFIX SUFFIX NAME # --------------------------------- # strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_stripname () { $debug_cmd # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are # positional parameters, so assign one to ordinary variable first. func_stripname_result=$3 func_stripname_result=${func_stripname_result#"$1"} func_stripname_result=${func_stripname_result%"$2"} }' else func_stripname () { $debug_cmd case $2 in .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; esac } fi # func_show_eval CMD [FAIL_EXP] # ----------------------------- # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} func_quote_for_expand "$_G_cmd" eval "func_notquiet $func_quote_for_expand_result" $opt_dry_run || { eval "$_G_cmd" _G_status=$? if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_show_eval_locale CMD [FAIL_EXP] # ------------------------------------ # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} $opt_quiet || { func_quote_for_expand "$_G_cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || { eval "$_G_user_locale $_G_cmd" _G_status=$? eval "$_G_safe_locale" if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_tr_sh # ---------- # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { $debug_cmd case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_verbose ARG... # ------------------- # Echo program name prefixed message in verbose mode only. func_verbose () { $debug_cmd $opt_verbose && func_echo "$*" : } # func_warn_and_continue ARG... # ----------------------------- # Echo program name prefixed warning message to standard error. func_warn_and_continue () { $debug_cmd $require_term_colors func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 } # func_warning CATEGORY ARG... # ---------------------------- # Echo program name prefixed warning message to standard error. Warning # messages can be filtered according to CATEGORY, where this function # elides messages where CATEGORY is not listed in the global variable # 'opt_warning_types'. func_warning () { $debug_cmd # CATEGORY must be in the warning_categories list! case " $warning_categories " in *" $1 "*) ;; *) func_internal_error "invalid warning category '$1'" ;; esac _G_category=$1 shift case " $opt_warning_types " in *" $_G_category "*) $warning_func ${1+"$@"} ;; esac } # func_sort_ver VER1 VER2 # ----------------------- # 'sort -V' is not generally available. # Note this deviates from the version comparison in automake # in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a # but this should suffice as we won't be specifying old # version formats or redundant trailing .0 in bootstrap.conf. # If we did want full compatibility then we should probably # use m4_version_compare from autoconf. func_sort_ver () { $debug_cmd printf '%s\n%s\n' "$1" "$2" \ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n } # func_lt_ver PREV CURR # --------------------- # Return true if PREV and CURR are in the correct order according to # func_sort_ver, otherwise false. Use it like this: # # func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." func_lt_ver () { $debug_cmd test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: #! /bin/sh # Set a version string for this script. scriptversion=2014-01-07.03; # UTC # A portable, pluggable option parser for Bourne shell. # Written by Gary V. Vaughan, 2010 # Copyright (C) 2010-2015 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # Please report bugs or propose patches to gary@gnu.org. ## ------ ## ## Usage. ## ## ------ ## # This file is a library for parsing options in your shell scripts along # with assorted other useful supporting features that you can make use # of too. # # For the simplest scripts you might need only: # # #!/bin/sh # . relative/path/to/funclib.sh # . relative/path/to/options-parser # scriptversion=1.0 # func_options ${1+"$@"} # eval set dummy "$func_options_result"; shift # ...rest of your script... # # In order for the '--version' option to work, you will need to have a # suitably formatted comment like the one at the top of this file # starting with '# Written by ' and ending with '# warranty; '. # # For '-h' and '--help' to work, you will also need a one line # description of your script's purpose in a comment directly above the # '# Written by ' line, like the one at the top of this file. # # The default options also support '--debug', which will turn on shell # execution tracing (see the comment above debug_cmd below for another # use), and '--verbose' and the func_verbose function to allow your script # to display verbose messages only when your user has specified # '--verbose'. # # After sourcing this file, you can plug processing for additional # options by amending the variables from the 'Configuration' section # below, and following the instructions in the 'Option parsing' # section further down. ## -------------- ## ## Configuration. ## ## -------------- ## # You should override these variables in your script after sourcing this # file so that they reflect the customisations you have added to the # option parser. # The usage line for option parsing errors and the start of '-h' and # '--help' output messages. You can embed shell variables for delayed # expansion at the time the message is displayed, but you will need to # quote other shell meta-characters carefully to prevent them being # expanded when the contents are evaled. usage='$progpath [OPTION]...' # Short help message in response to '-h' and '--help'. Add to this or # override it after sourcing this library to reflect the full set of # options your script accepts. usage_message="\ --debug enable verbose shell tracing -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -v, --verbose verbosely report processing --version print version information and exit -h, --help print short or long help message and exit " # Additional text appended to 'usage_message' in response to '--help'. long_help_message=" Warning categories include: 'all' show all warnings 'none' turn off all the warnings 'error' warnings are treated as fatal errors" # Help message printed before fatal option parsing errors. fatal_help="Try '\$progname --help' for more information." ## ------------------------- ## ## Hook function management. ## ## ------------------------- ## # This section contains functions for adding, removing, and running hooks # to the main code. A hook is just a named list of of function, that can # be run in order later on. # func_hookable FUNC_NAME # ----------------------- # Declare that FUNC_NAME will run hooks added with # 'func_add_hook FUNC_NAME ...'. func_hookable () { $debug_cmd func_append hookable_fns " $1" } # func_add_hook FUNC_NAME HOOK_FUNC # --------------------------------- # Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must # first have been declared "hookable" by a call to 'func_hookable'. func_add_hook () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not accept hook functions." ;; esac eval func_append ${1}_hooks '" $2"' } # func_remove_hook FUNC_NAME HOOK_FUNC # ------------------------------------ # Remove HOOK_FUNC from the list of functions called by FUNC_NAME. func_remove_hook () { $debug_cmd eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' } # func_run_hooks FUNC_NAME [ARG]... # --------------------------------- # Run all hook functions registered to FUNC_NAME. # It is assumed that the list of hook functions contains nothing more # than a whitespace-delimited list of legal shell function names, and # no effort is wasted trying to catch shell meta-characters or preserve # whitespace. func_run_hooks () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not support hook funcions.n" ;; esac eval _G_hook_fns=\$$1_hooks; shift for _G_hook in $_G_hook_fns; do eval $_G_hook '"$@"' # store returned options list back into positional # parameters for next 'cmd' execution. eval _G_hook_result=\$${_G_hook}_result eval set dummy "$_G_hook_result"; shift done func_quote_for_eval ${1+"$@"} func_run_hooks_result=$func_quote_for_eval_result } ## --------------- ## ## Option parsing. ## ## --------------- ## # In order to add your own option parsing hooks, you must accept the # full positional parameter list in your hook function, remove any # options that you action, and then pass back the remaining unprocessed # options in '_result', escaped suitably for # 'eval'. Like this: # # my_options_prep () # { # $debug_cmd # # # Extend the existing usage message. # usage_message=$usage_message' # -s, --silent don'\''t print informational messages # ' # # func_quote_for_eval ${1+"$@"} # my_options_prep_result=$func_quote_for_eval_result # } # func_add_hook func_options_prep my_options_prep # # # my_silent_option () # { # $debug_cmd # # # Note that for efficiency, we parse as many options as we can # # recognise in a loop before passing the remainder back to the # # caller on the first unrecognised argument we encounter. # while test $# -gt 0; do # opt=$1; shift # case $opt in # --silent|-s) opt_silent=: ;; # # Separate non-argument short options: # -s*) func_split_short_opt "$_G_opt" # set dummy "$func_split_short_opt_name" \ # "-$func_split_short_opt_arg" ${1+"$@"} # shift # ;; # *) set dummy "$_G_opt" "$*"; shift; break ;; # esac # done # # func_quote_for_eval ${1+"$@"} # my_silent_option_result=$func_quote_for_eval_result # } # func_add_hook func_parse_options my_silent_option # # # my_option_validation () # { # $debug_cmd # # $opt_silent && $opt_verbose && func_fatal_help "\ # '--silent' and '--verbose' options are mutually exclusive." # # func_quote_for_eval ${1+"$@"} # my_option_validation_result=$func_quote_for_eval_result # } # func_add_hook func_validate_options my_option_validation # # You'll alse need to manually amend $usage_message to reflect the extra # options you parse. It's preferable to append if you can, so that # multiple option parsing hooks can be added safely. # func_options [ARG]... # --------------------- # All the functions called inside func_options are hookable. See the # individual implementations for details. func_hookable func_options func_options () { $debug_cmd func_options_prep ${1+"$@"} eval func_parse_options \ ${func_options_prep_result+"$func_options_prep_result"} eval func_validate_options \ ${func_parse_options_result+"$func_parse_options_result"} eval func_run_hooks func_options \ ${func_validate_options_result+"$func_validate_options_result"} # save modified positional parameters for caller func_options_result=$func_run_hooks_result } # func_options_prep [ARG]... # -------------------------- # All initialisations required before starting the option parse loop. # Note that when calling hook functions, we pass through the list of # positional parameters. If a hook function modifies that list, and # needs to propogate that back to rest of this script, then the complete # modified list must be put in 'func_run_hooks_result' before # returning. func_hookable func_options_prep func_options_prep () { $debug_cmd # Option defaults: opt_verbose=false opt_warning_types= func_run_hooks func_options_prep ${1+"$@"} # save modified positional parameters for caller func_options_prep_result=$func_run_hooks_result } # func_parse_options [ARG]... # --------------------------- # The main option parsing loop. func_hookable func_parse_options func_parse_options () { $debug_cmd func_parse_options_result= # this just eases exit handling while test $# -gt 0; do # Defer to hook functions for initial option parsing, so they # get priority in the event of reusing an option name. func_run_hooks func_parse_options ${1+"$@"} # Adjust func_parse_options positional parameters to match eval set dummy "$func_run_hooks_result"; shift # Break out of the loop if we already parsed every option. test $# -gt 0 || break _G_opt=$1 shift case $_G_opt in --debug|-x) debug_cmd='set -x' func_echo "enabling shell trace mode" $debug_cmd ;; --no-warnings|--no-warning|--no-warn) set dummy --warnings none ${1+"$@"} shift ;; --warnings|--warning|-W) test $# = 0 && func_missing_arg $_G_opt && break case " $warning_categories $1" in *" $1 "*) # trailing space prevents matching last $1 above func_append_uniq opt_warning_types " $1" ;; *all) opt_warning_types=$warning_categories ;; *none) opt_warning_types=none warning_func=: ;; *error) opt_warning_types=$warning_categories warning_func=func_fatal_error ;; *) func_fatal_error \ "unsupported warning category: '$1'" ;; esac shift ;; --verbose|-v) opt_verbose=: ;; --version) func_version ;; -\?|-h) func_usage ;; --help) func_help ;; # Separate optargs to long options (plugins may need this): --*=*) func_split_equals "$_G_opt" set dummy "$func_split_equals_lhs" \ "$func_split_equals_rhs" ${1+"$@"} shift ;; # Separate optargs to short options: -W*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "$func_split_short_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-v*|-x*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; esac done # save modified positional parameters for caller func_quote_for_eval ${1+"$@"} func_parse_options_result=$func_quote_for_eval_result } # func_validate_options [ARG]... # ------------------------------ # Perform any sanity checks on option settings and/or unconsumed # arguments. func_hookable func_validate_options func_validate_options () { $debug_cmd # Display all warnings if -W was not given. test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" func_run_hooks func_validate_options ${1+"$@"} # Bail if the options were screwed! $exit_cmd $EXIT_FAILURE # save modified positional parameters for caller func_validate_options_result=$func_run_hooks_result } ## ----------------- ## ## Helper functions. ## ## ----------------- ## # This section contains the helper functions used by the rest of the # hookable option parser framework in ascii-betical order. # func_fatal_help ARG... # ---------------------- # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { $debug_cmd eval \$ECHO \""Usage: $usage"\" eval \$ECHO \""$fatal_help"\" func_error ${1+"$@"} exit $EXIT_FAILURE } # func_help # --------- # Echo long help message to standard output and exit. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message" exit 0 } # func_missing_arg ARGNAME # ------------------------ # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $debug_cmd func_error "Missing argument for '$1'." exit_cmd=exit } # func_split_equals STRING # ------------------------ # Set func_split_equals_lhs and func_split_equals_rhs shell variables after # splitting STRING at the '=' sign. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_equals () { $debug_cmd func_split_equals_lhs=${1%%=*} func_split_equals_rhs=${1#*=} test "x$func_split_equals_lhs" = "x$1" \ && func_split_equals_rhs= }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_equals () { $debug_cmd func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` func_split_equals_rhs= test "x$func_split_equals_lhs" = "x$1" \ || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` } fi #func_split_equals # func_split_short_opt SHORTOPT # ----------------------------- # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_short_opt () { $debug_cmd func_split_short_opt_arg=${1#??} func_split_short_opt_name=${1%"$func_split_short_opt_arg"} }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_short_opt () { $debug_cmd func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'` func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` } fi #func_split_short_opt # func_usage # ---------- # Echo short help message to standard output and exit. func_usage () { $debug_cmd func_usage_message $ECHO "Run '$progname --help |${PAGER-more}' for full usage" exit 0 } # func_usage_message # ------------------ # Echo short help message to standard output. func_usage_message () { $debug_cmd eval \$ECHO \""Usage: $usage"\" echo $SED -n 's|^# || /^Written by/{ x;p;x } h /^Written by/q' < "$progpath" echo eval \$ECHO \""$usage_message"\" } # func_version # ------------ # Echo version message to standard output and exit. func_version () { $debug_cmd printf '%s\n' "$progname $scriptversion" $SED -n ' /(C)/!b go :more /\./!{ N s|\n# | | b more } :go /^# Written by /,/# warranty; / { s|^# || s|^# *$|| s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| p } /^# Written by / { s|^# || p } /^warranty; /q' < "$progpath" exit $? } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: # Set a version string. scriptversion='(GNU libtool) 2.4.6' # func_echo ARG... # ---------------- # Libtool also displays the current mode in messages, so override # funclib.sh func_echo with this custom definition. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" done IFS=$func_echo_IFS } # func_warning ARG... # ------------------- # Libtool warnings are not categorized, so override funclib.sh # func_warning with this simpler definition. func_warning () { $debug_cmd $warning_func ${1+"$@"} } ## ---------------- ## ## Options parsing. ## ## ---------------- ## # Hook in the functions to make sure our own options are parsed during # the option parsing loop. usage='$progpath [OPTION]... [MODE-ARG]...' # Short help message in response to '-h'. usage_message="Options: --config show all configuration variables --debug enable verbose shell tracing -n, --dry-run display commands without modifying any files --features display basic configuration information and exit --mode=MODE use operation mode MODE --no-warnings equivalent to '-Wnone' --preserve-dup-deps don't remove duplicate dependency libraries --quiet, --silent don't print informational messages --tag=TAG use configuration variables from tag TAG -v, --verbose print more informational messages than default --version print version information -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -h, --help, --help-all print short, long, or detailed help message " # Additional text appended to 'usage_message' in response to '--help'. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message MODE must be one of the following: clean remove files from the build directory compile compile a source file into a libtool object execute automatically set library path, then run a program finish complete the installation of libtool libraries install install libraries or executables link create a library or an executable uninstall remove libraries from an installed directory MODE-ARGS vary depending on the MODE. When passed as first option, '--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. Try '$progname --help --mode=MODE' for a more detailed description of MODE. When reporting a bug, please describe a test case to reproduce it and include the following information: host-triplet: $host shell: $SHELL compiler: $LTCC compiler flags: $LTCFLAGS linker: $LD (gnu? $with_gnu_ld) version: $progname (GNU libtool) 2.4.6 automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` Report bugs to . GNU libtool home page: . General help using GNU software: ." exit 0 } # func_lo2o OBJECT-NAME # --------------------- # Transform OBJECT-NAME from a '.lo' suffix to the platform specific # object suffix. lo2o=s/\\.lo\$/.$objext/ o2lo=s/\\.$objext\$/.lo/ if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_lo2o () { case $1 in *.lo) func_lo2o_result=${1%.lo}.$objext ;; * ) func_lo2o_result=$1 ;; esac }' # func_xform LIBOBJ-OR-SOURCE # --------------------------- # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) # suffix to a '.lo' libtool-object suffix. eval 'func_xform () { func_xform_result=${1%.*}.lo }' else # ...otherwise fall back to using sed. func_lo2o () { func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` } func_xform () { func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` } fi # func_fatal_configuration ARG... # ------------------------------- # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func__fatal_error ${1+"$@"} \ "See the $PACKAGE documentation for more information." \ "Fatal configuration error." } # func_config # ----------- # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # ------------- # Display the features supported by this script. func_features () { echo "host: $host" if test yes = "$build_libtool_libs"; then echo "enable shared libraries" else echo "disable shared libraries" fi if test yes = "$build_old_libs"; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag TAGNAME # ----------------------- # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname=$1 re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf=/$re_begincf/,/$re_endcf/p # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # ------------------------ # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # libtool_options_prep [ARG]... # ----------------------------- # Preparation for options parsed by libtool. libtool_options_prep () { $debug_mode # Option defaults: opt_config=false opt_dlopen= opt_dry_run=false opt_help=false opt_mode= opt_preserve_dup_deps=false opt_quiet=false nonopt= preserve_args= # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Pass back the list of options. func_quote_for_eval ${1+"$@"} libtool_options_prep_result=$func_quote_for_eval_result } func_add_hook func_options_prep libtool_options_prep # libtool_parse_options [ARG]... # --------------------------------- # Provide handling for libtool specific options. libtool_parse_options () { $debug_cmd # Perform our own loop to consume as many options as possible in # each iteration. while test $# -gt 0; do _G_opt=$1 shift case $_G_opt in --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) func_config ;; --dlopen|-dlopen) opt_dlopen="${opt_dlopen+$opt_dlopen }$1" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) func_features ;; --finish) set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $_G_opt && break opt_mode=$1 case $1 in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $_G_opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_quiet=false func_append preserve_args " $_G_opt" ;; --no-warnings|--no-warning|--no-warn) opt_warning=false func_append preserve_args " $_G_opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $_G_opt" ;; --silent|--quiet) opt_quiet=: opt_verbose=false func_append preserve_args " $_G_opt" ;; --tag) test $# = 0 && func_missing_arg $_G_opt && break opt_tag=$1 func_append preserve_args " $_G_opt $1" func_enable_tag "$1" shift ;; --verbose|-v) opt_quiet=false opt_verbose=: func_append preserve_args " $_G_opt" ;; # An option not handled by this hook function: *) set dummy "$_G_opt" ${1+"$@"}; shift; break ;; esac done # save modified positional parameters for caller func_quote_for_eval ${1+"$@"} libtool_parse_options_result=$func_quote_for_eval_result } func_add_hook func_parse_options libtool_parse_options # libtool_validate_options [ARG]... # --------------------------------- # Perform any sanity checks on option settings and/or unconsumed # arguments. libtool_validate_options () { # save first non-option argument if test 0 -lt $#; then nonopt=$1 shift fi # preserve --debug test : = "$debug_cmd" || func_append preserve_args " --debug" case $host in # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match test yes != "$build_libtool_libs" \ && test yes != "$build_old_libs" \ && func_fatal_configuration "not configured to build any kind of library" # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test execute != "$opt_mode"; then func_error "unrecognized option '-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help=$help help="Try '$progname --help --mode=$opt_mode' for more information." } # Pass back the unparsed argument list func_quote_for_eval ${1+"$@"} libtool_validate_options_result=$func_quote_for_eval_result } func_add_hook func_validate_options libtool_validate_options # Process options as early as possible so that --help and --version # can return quickly. func_options ${1+"$@"} eval set dummy "$func_options_result"; shift ## ----------- ## ## Main. ## ## ----------- ## magic='%%%MAGIC variable%%%' magic_exe='%%%MAGIC EXE variable%%%' # Global variables. extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # func_generated_by_libtool # True iff stdin has been generated by Libtool. This function is only # a basic sanity check; it will hardly flush out determined imposters. func_generated_by_libtool_p () { $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p } # func_lalib_unsafe_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if 'file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case $lalib_p_line in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test yes = "$lalib_p" } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { test -f "$1" && $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $debug_cmd save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # 'FILE.' does not work on cygwin managed mounts. func_source () { $debug_cmd case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case $lt_sysroot:$1 in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result='='$func_stripname_result ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $debug_cmd if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with '--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=$1 if test yes = "$build_libtool_libs"; then write_lobj=\'$2\' else write_lobj=none fi if test yes = "$build_old_libs"; then write_oldobj=\'$3\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $debug_cmd # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result= if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result"; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $debug_cmd if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $debug_cmd # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $debug_cmd if test -z "$2" && test -n "$1"; then func_error "Could not determine host file name corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result=$1 fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $debug_cmd if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " '$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result=$3 fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $debug_cmd case $4 in $1 ) func_to_host_path_result=$3$func_to_host_path_result ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via '$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $debug_cmd $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $debug_cmd case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result=$1 } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result=$func_convert_core_msys_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result=$func_convert_core_file_wine_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via '$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $debug_cmd if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd=func_convert_path_$func_stripname_result fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $debug_cmd func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result=$1 } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_msys_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_path_wine_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_dll_def_p FILE # True iff FILE is a Windows DLL '.def' file. # Keep in sync with _LT_DLL_DEF_P in libtool.m4 func_dll_def_p () { $debug_cmd func_dll_def_p_tmp=`$SED -n \ -e 's/^[ ]*//' \ -e '/^\(;.*\)*$/d' \ -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ -e q \ "$1"` test DEF = "$func_dll_def_p_tmp" } # func_mode_compile arg... func_mode_compile () { $debug_cmd # Get the compilation command and the source file. base_compile= srcfile=$nonopt # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg=$arg arg_mode=normal ;; target ) libobj=$arg arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify '-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs=$IFS; IFS=, for arg in $args; do IFS=$save_ifs func_append_quoted lastarg "$arg" done IFS=$save_ifs func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg=$srcfile srcfile=$arg ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with '-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj=$func_basename_result } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from '$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test yes = "$build_libtool_libs" \ || func_fatal_configuration "cannot build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name '$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname=$func_basename_result xdir=$func_dirname_result lobj=$xdir$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test yes = "$build_old_libs"; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test no = "$compiler_c_o"; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext lockfile=$output_obj.lock else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test yes = "$need_locks"; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test warn = "$need_locks"; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test yes = "$build_libtool_libs"; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test no != "$pic_mode"; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test yes = "$suppress_opt"; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test yes = "$build_old_libs"; then if test yes != "$pic_mode"; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test yes = "$compiler_c_o"; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test no != "$need_locks"; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test compile = "$opt_mode" && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a '.o' file suitable for static linking -static only build a '.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a 'standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix '.c' with the library object suffix, '.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to '-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the '--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the 'install' or 'cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE use a list of object files found in FILE to specify objects -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with '-') are ignored. Every other argument is treated as a filename. Files ending in '.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in '.la', then a libtool library is created, only library objects ('.lo' files) may be specified, and '-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created using 'ar' and 'ranlib', or on Windows using 'lib'. If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode '$opt_mode'" ;; esac echo $ECHO "Try '$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test : = "$opt_help"; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | $SED -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | $SED '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $debug_cmd # The first argument is the command name. cmd=$nonopt test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "'$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "'$file' was not linked with '-export-dynamic'" continue fi func_dirname "$file" "" "." dir=$func_dirname_result if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir=$func_dirname_result ;; *) func_warning "'-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir=$absdir # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic=$magic # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file=$progdir/$program elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file=$progdir/$program fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if $opt_dry_run; then # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS else if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd=\$cmd$args fi } test execute = "$opt_mode" && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $debug_cmd libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "'$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument '$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and '=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_quiet && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the '-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the '$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the '$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the '$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test finish = "$opt_mode" && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $debug_cmd # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=false stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=: ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test X-m = "X$prev" && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the '$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=: if $isdir; then destdir=$dest destname= else func_dirname_and_basename "$dest" "" "." destdir=$func_dirname_result destname=$func_basename_result # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "'$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "'$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir=$func_dirname_result func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking '$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname=$1 shift srcname=$realname test -n "$relink_command" && srcname=${realname}T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme=$stripme case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme= ;; esac ;; os2*) case $realname in *_dll.a) tstripme= ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try 'ln -sf' first, because the 'ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib=$destdir/$realname func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name=$func_basename_result instname=$dir/${name}i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest=$destfile destfile= ;; *) func_fatal_help "cannot copy a libtool object to '$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test yes = "$build_old_libs"; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext= case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=.exe fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script '$wrapper'" finalize=: for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` if test -n "$libdir" && test ! -f "$libfile"; then func_warning "'$lib' has not been installed in '$libdir'" finalize=false fi done relink_command= func_source "$wrapper" outputname= if test no = "$fast_install" && test -n "$relink_command"; then $opt_dry_run || { if $finalize; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file=$func_basename_result outputname=$tmpdir/$file # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_quiet || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink '$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file=$outputname else func_warning "cannot relink '$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name=$func_basename_result # Set up the ranlib parameters. oldlib=$destdir/$name func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run '$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test install = "$opt_mode" && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $debug_cmd my_outputname=$1 my_originator=$2 my_pic_p=${3-false} my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms=${my_outputname}S.c else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist=$output_objdir/$my_outputname.nm func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* External symbol declarations for the compiler. */\ " if test yes = "$dlself"; then func_verbose "generating symbol list for '$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from '$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols=$output_objdir/$outputname.exp $opt_dry_run || { $RM $export_symbols eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from '$dlprefile'" func_basename "$dlprefile" name=$func_basename_result case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename= if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname"; then func_basename "$dlprefile_dlname" dlprefile_dlbasename=$func_basename_result else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename"; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi func_show_eval '$RM "${nlist}I"' if test -n "$global_symbol_to_import"; then eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[];\ " if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ static void lt_syminit(void) { LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; for (; symbol->name; ++symbol) {" $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" echo >> "$output_objdir/$my_dlsyms" "\ } }" fi echo >> "$output_objdir/$my_dlsyms" "\ LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = { {\"$my_originator\", (void *) 0}," if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ {\"@INIT@\", (void *) <_syminit}," fi case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) $my_pic_p && pic_flag_for_symtable=" $pic_flag" ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' # Transform the symbol file into the correct name. symfileobj=$output_objdir/${my_outputname}S.$objext case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for '$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $debug_cmd win32_libid_type=unknown win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then case $nm_interface in "MS dumpbin") if func_cygming_ms_implib_p "$1" || func_cygming_gnu_implib_p "$1" then win32_nmres=import else win32_nmres= fi ;; *) func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s|.*|import| p q } }'` ;; esac case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $debug_cmd sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $debug_cmd match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive that possess that section. Heuristic: eliminate # all those that have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $debug_cmd if func_cygming_gnu_implib_p "$1"; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1"; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result= fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $debug_cmd f_ex_an_ar_dir=$1; shift f_ex_an_ar_oldlib=$1 if test yes = "$lock_old_archive_extraction"; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test yes = "$lock_old_archive_extraction"; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $debug_cmd my_gentop=$1; shift my_oldlibs=${1+"$@"} my_oldobjs= my_xlib= my_xabs= my_xdir= for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib=$func_basename_result my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir=$my_gentop/$my_xlib_u func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` func_basename "$darwin_archive" darwin_base_archive=$func_basename_result darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches; do func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" cd "unfat-$$/$darwin_base_archive-$darwin_arch" func_extract_an_archive "`pwd`" "$darwin_base_archive" cd "$darwin_curdir" $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result=$my_oldobjs } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory where it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ that is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options that match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test yes = "$fast_install"; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else \$ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* declarations of non-ANSI functions */ #if defined __MINGW32__ # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined __CYGWIN__ # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined other_platform || defined ... */ #endif /* portability defines, excluding path handling macros */ #if defined _MSC_VER # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC #elif defined __MINGW32__ # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined __CYGWIN__ # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined other platforms ... */ #endif #if defined PATH_MAX # define LT_PATHMAX PATH_MAX #elif defined MAXPATHLEN # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ defined __OS2__ # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free (stale); stale = 0; } \ } while (0) #if defined LT_DEBUGWRAPPER static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; size_t tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined HAVE_DOS_BASED_FILE_SYSTEM if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined HAVE_DOS_BASED_FILE_SYSTEM } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = (size_t) (q - p); p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (STREQ (str, pat)) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else size_t len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { size_t orig_value_len = strlen (orig_value); size_t add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ size_t len = strlen (new_value); while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[--len] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $debug_cmd case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_suncc_cstd_abi # !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! # Several compiler flags select an ABI that is incompatible with the # Cstd library. Avoid specifying it if any are in CXXFLAGS. func_suncc_cstd_abi () { $debug_cmd case " $compile_command " in *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) suncc_use_cstd_abi=no ;; *) suncc_use_cstd_abi=yes ;; esac } # func_mode_link arg... func_mode_link () { $debug_cmd case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # what system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll that has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= os2dllname= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=false prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module=$wl-single_module func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test yes != "$build_libtool_libs" \ && func_fatal_configuration "cannot build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg=$1 shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir=$arg prev= continue ;; dlfiles|dlprefiles) $preload || { # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=: } case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test no = "$dlself"; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test dlprefiles = "$prev"; then dlself=yes elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test dlfiles = "$prev"; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols=$arg test -f "$arg" \ || func_fatal_error "symbol file '$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex=$arg prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir=$arg prev= continue ;; mllvm) # Clang does not use LLVM to link, so we can simply discard any # '-mllvm $arg' options when doing the link step. prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result if test none != "$pic_object"; then # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object fi # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file '$arg' does not exist" fi arg=$save_arg prev= continue ;; os2dllname) os2dllname=$arg prev= continue ;; precious_regex) precious_files_regex=$arg prev= continue ;; release) release=-$arg prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test rpath = "$prev"; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds=$arg prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg=$arg case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "'-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test X-export-symbols = "X$arg"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between '-L' and '$1'" else func_fatal_error "need path for '-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of '$dir'" dir=$absdir ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test X-lc = "X$arg" || test X-lm = "X$arg"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test X-lc = "X$arg" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) # Do not include libc due to us having libc/libc_r. test X-lc = "X$arg" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test X-lc = "X$arg" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test X-lc = "X$arg" && continue ;; esac elif test X-lc_r = "X$arg"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -mllvm) prev=mllvm continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module=$wl-multi_module continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "'-no-install' is ignored for $host" func_warning "assuming '-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -os2dllname) prev=os2dllname continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # -fstack-protector* stack protector flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization # -stdlib=* select c++ std lib with clang -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; -Z*) if test os2 = "`expr $host : '.*\(os2\)'`"; then # OS/2 uses -Zxxx to specify OS/2-specific options compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case $arg in -Zlinker | -Zstack) prev=xcompiler ;; esac continue else # Otherwise treat like 'Some other compiler flag' below func_quote_for_eval "$arg" arg=$func_quote_for_eval_result fi ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result test none = "$pic_object" || { # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object } # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test dlfiles = "$prev"; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test dlprefiles = "$prev"; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the '$prevarg' option requires an argument" if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname=$func_basename_result libobjs_save=$libobjs if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" # Definition is injected by LT_CONFIG during libtool generation. func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" func_dirname "$output" "/" "" output_objdir=$func_dirname_result$objdir func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test lib = "$linkmode"; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=false newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test lib,link = "$linkmode,$pass"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs=$tmp_deplibs fi if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass"; then libs=$deplibs deplibs= fi if test prog = "$linkmode"; then case $pass in dlopen) libs=$dlfiles ;; dlpreopen) libs=$dlprefiles ;; link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; esac fi if test lib,dlpreopen = "$linkmode,$pass"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs=$dlprefiles fi if test dlopen = "$pass"; then # Collect dlpreopened libraries save_deplibs=$deplibs deplibs= fi for deplib in $libs; do lib= found=false case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test lib != "$linkmode" && test prog != "$linkmode"; then func_warning "'-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test lib = "$linkmode"; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib=$searchdir/lib$name$search_ext if test -f "$lib"; then if test .la = "$search_ext"; then found=: else found=false fi break 2 fi done done if $found; then # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll=$l done if test "X$ll" = "X$old_library"; then # only static version available found=false func_dirname "$lib" "" "." ladir=$func_dirname_result lib=$ladir/$old_library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi else # deplib doesn't seem to be a libtool library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi ;; # -l *.ltframework) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test conv = "$pass" && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi if test scan = "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "'-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test link = "$pass"; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=false case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=: fi ;; pass_all) valid_a_lib=: ;; esac if $valid_a_lib; then echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" else echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." fi ;; esac continue ;; prog) if test link != "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test conv = "$pass"; then deplibs="$deplib $deplibs" elif test prog = "$linkmode"; then if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=: continue ;; esac # case $deplib $found || test -f "$lib" \ || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "'$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir=$func_dirname_result dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass" || { test prog != "$linkmode" && test lib != "$linkmode"; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test conv = "$pass"; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for '$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" elif test prog != "$linkmode" && test lib != "$linkmode"; then func_fatal_error "'$lib' is not a convenience library" fi tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test yes = "$prefer_static_libs" || test built,no = "$prefer_static_libs,$installed"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib=$l done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for '$lib'" fi # This library was specified with -dlopen. if test dlopen = "$pass"; then test -z "$libdir" \ && func_fatal_error "cannot -dlopen a convenience library: '$lib'" if test -z "$dlname" || test yes != "$dlopen_support" || test no = "$build_libtool_libs" then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of '$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir=$ladir fi ;; esac func_basename "$lib" laname=$func_basename_result # Find the relevant object directory and library name. if test yes = "$installed"; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library '$lib' was moved." dir=$ladir absdir=$abs_ladir libdir=$abs_ladir else dir=$lt_sysroot$libdir absdir=$lt_sysroot$libdir fi test yes = "$hardcode_automatic" && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir=$ladir absdir=$abs_ladir # Remove this search path later func_append notinst_path " $abs_ladir" else dir=$ladir/$objdir absdir=$abs_ladir/$objdir # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test dlpreopen = "$pass"; then if test -z "$libdir" && test prog = "$linkmode"; then func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" fi case $host in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test lib = "$linkmode"; then deplibs="$dir/$old_library $deplibs" elif test prog,link = "$linkmode,$pass"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test prog = "$linkmode" && test link != "$pass"; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=false if test no != "$link_all_deplibs" || test -z "$library_names" || test no = "$build_libtool_libs"; then linkalldeplibs=: fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if $linkalldeplibs; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test prog,link = "$linkmode,$pass"; then if test -n "$library_names" && { { test no = "$prefer_static_libs" || test built,yes = "$prefer_static_libs,$installed"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then # Make sure the rpath contains only unique directories. case $temp_rpath: in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if $alldeplibs && { test pass_all = "$deplibs_check_method" || { test yes = "$build_libtool_libs" && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test built = "$use_static_libs" && test yes = "$installed"; then use_static_libs=no fi if test -n "$library_names" && { test no = "$use_static_libs" || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc* | *os2*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test no = "$installed"; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule= for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule=$dlpremoduletest break fi done if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then echo if test prog = "$linkmode"; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test lib = "$linkmode" && test yes = "$hardcode_into_libs"; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname=$1 shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname=$dlname elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc* | *os2*) func_arith $current - $age major=$func_arith_result versuffix=-$major ;; esac eval soname=\"$soname_spec\" else soname=$realname fi # Make a new name for the extract_expsyms_cmds to use soroot=$soname func_basename "$soroot" soname=$func_basename_result func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from '$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for '$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test prog = "$linkmode" || test relink != "$opt_mode"; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test no = "$hardcode_direct"; then add=$dir/$linklib case $host in *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; *-*-sysv4*uw2*) add_dir=-L$dir ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir=-L$dir ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we cannot # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library"; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add=$dir/$old_library fi elif test -n "$old_library"; then add=$dir/$old_library fi fi esac elif test no = "$hardcode_minus_L"; then case $host in *-*-sunos*) add_shlibpath=$dir ;; esac add_dir=-L$dir add=-l$name elif test no = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; relink) if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$dir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$absdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name elif test yes = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; *) lib_linked=no ;; esac if test yes != "$lib_linked"; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test prog = "$linkmode"; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test yes != "$hardcode_direct" && test yes != "$hardcode_minus_L" && test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test prog = "$linkmode" || test relink = "$opt_mode"; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$libdir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$libdir add=-l$name elif test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add=-l$name elif test yes = "$hardcode_automatic"; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib"; then add=$inst_prefix_dir$libdir/$linklib else add=$libdir/$linklib fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir=-L$libdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name fi if test prog = "$linkmode"; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test prog = "$linkmode"; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test unsupported != "$hardcode_direct"; then test -n "$old_library" && linklib=$old_library compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test yes = "$build_libtool_libs"; then # Not a shared library if test pass_all != "$deplibs_check_method"; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system cannot link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test yes = "$module"; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test lib = "$linkmode"; then if test -n "$dependency_libs" && { test yes != "$hardcode_into_libs" || test yes = "$build_old_libs" || test yes = "$link_static"; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs=$temp_deplibs fi func_append newlib_search_path " $absdir" # Link against this library test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test no != "$link_all_deplibs"; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path=$deplib ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of '$dir'" absdir=$dir fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names"; then for tmp in $deplibrary_names; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl"; then depdepl=$absdir/$objdir/$depdepl darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" path= fi fi ;; *) path=-L$absdir/$objdir ;; esac else eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "'$deplib' seems to be moved" path=-L$absdir fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test link = "$pass"; then if test prog = "$linkmode"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs=$newdependency_libs if test dlpreopen = "$pass"; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test dlopen != "$pass"; then test conv = "$pass" || { # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= } if test prog,link = "$linkmode,$pass"; then vars="compile_deplibs finalize_deplibs" else vars=deplibs fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Add Sun CC postdeps if required: test CXX = "$tagname" && { case $host_os in linux*) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; solaris*) func_cc_basename "$CC" case $func_cc_basename_result in CC* | sunCC*) func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; esac } # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i= ;; esac if test -n "$i"; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test prog = "$linkmode"; then dlfiles=$newdlfiles fi if test prog = "$linkmode" || test lib = "$linkmode"; then dlprefiles=$newdlprefiles fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "'-R' is ignored for archives" test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "'-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "'-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs=$output func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form 'libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test no = "$module" \ && func_fatal_help "libtool library '$output' must begin with 'lib'" if test no != "$need_lib_prefix"; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test pass_all != "$deplibs_check_method"; then func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test no = "$dlself" \ || func_warning "'-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test 1 -lt "$#" \ && func_warning "ignoring multiple '-rpath's for a libtool library" install_libdir=$1 oldlibs= if test -z "$rpath"; then if test yes = "$build_libtool_libs"; then # Building a libtool convenience library. # Some compilers have problems with a '.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "'-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs=$IFS; IFS=: set dummy $vinfo 0 0 0 shift IFS=$save_ifs test -n "$7" && \ func_fatal_help "too many parameters to '-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major=$1 number_minor=$2 number_revision=$3 # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # that has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|freebsd-elf|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_revision ;; freebsd-aout|qnx|sunos) current=$number_major revision=$number_minor age=0 ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_minor lt_irix_increment=no ;; esac ;; no) current=$1 revision=$2 age=$3 ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT '$current' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION '$revision' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE '$age' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE '$age' is greater than the current interface number '$current'" func_fatal_error "'$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" # On Darwin other compilers case $CC in nagfor*) verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" ;; *) verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; esac ;; freebsd-aout) major=.$current versuffix=.$current.$revision ;; freebsd-elf) func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; irix | nonstopux) if test no = "$lt_irix_increment"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring=$verstring_prefix$major.$revision # Add in all the interfaces that we are compatible with. loop=$revision while test 0 -ne "$loop"; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring_prefix$major.$iface:$verstring done # Before this point, $major must not contain '.'. major=.$major versuffix=$major.$revision ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=.$current.$age.$revision verstring=$current.$age.$revision # Add in all the interfaces that we are compatible with. loop=$age while test 0 -ne "$loop"; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring:$iface.0 done # Make executables depend on our current version. func_append verstring ":$current.0" ;; qnx) major=.$current versuffix=.$current ;; sco) major=.$current versuffix=.$current ;; sunos) major=.$current versuffix=.$current.$revision ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 file systems. func_arith $current - $age major=$func_arith_result versuffix=-$major ;; *) func_fatal_configuration "unknown library version type '$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring=0.0 ;; esac if test no = "$need_version"; then versuffix= else versuffix=.0.0 fi fi # Remove version info from name if versioning should be avoided if test yes,no = "$avoid_version,$need_version"; then major= versuffix= verstring= fi # Check to see if the archive will have undefined symbols. if test yes = "$allow_undefined"; then if test unsupported = "$allow_undefined_flag"; then if test yes = "$build_old_libs"; then func_warning "undefined symbols not allowed in $host shared libraries; building static only" build_libtool_libs=no else func_fatal_error "can't build $host shared library unless -no-undefined is specified" fi fi else # Don't allow undefined symbols. allow_undefined_flag=$no_undefined_flag fi fi func_generate_dlsyms "$libname" "$libname" : func_append libobjs " $symfileobj" test " " = "$libobjs" && libobjs= if test relink != "$opt_mode"; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) if test -n "$precious_files_regex"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles=$dlfiles dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles=$dlprefiles dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test yes = "$build_libtool_libs"; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test yes = "$build_libtool_need_lc"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release= versuffix= major= newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib=$potent_lib while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | $SED 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib= ;; esac fi if test -n "$a_deplib"; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib=$potent_lib # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs= tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test yes = "$allow_libtool_libs_with_static_runtimes"; then for i in $predeps $postdeps; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test none = "$deplibs_check_method"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test yes = "$droppeddeps"; then if test yes = "$module"; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test no = "$allow_undefined"; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs=$new_libs # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test yes = "$build_libtool_libs"; then # Remove $wl instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test yes = "$hardcode_into_libs"; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath=$finalize_rpath test relink = "$opt_mode" || rpath=$compile_rpath$rpath for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath=$finalize_shlibpath test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname=$1 shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname=$realname fi if test -z "$dlname"; then dlname=$soname fi lib=$output_objdir/$realname linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols=$output_objdir/$libname.uexp func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile func_dll_def_p "$export_symbols" || { # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols=$export_symbols export_symbols= always_export_symbols=yes } fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs=$IFS; IFS='~' for cmd1 in $cmds; do IFS=$save_ifs # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test yes = "$try_normal_branch" \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=$output_objdir/$output_la.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS=$save_ifs if test -n "$export_symbols_regex" && test : != "$skipped_export"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test : != "$skipped_export" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs=$tmp_deplibs if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test yes = "$compiler_needs_object" && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test : != "$skipped_export" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then output=$output_objdir/$output_la.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then output=$output_objdir/$output_la.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test yes = "$compiler_needs_object"; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-$k.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test -z "$objlist" || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test 1 -eq "$k"; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-$k.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-$k.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi ${skipped_export-false} && { func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi } test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs=$IFS; IFS='~' for cmd in $concat_cmds; do IFS=$save_ifs $opt_quiet || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi ${skipped_export-false} && { if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi } libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs=$IFS; IFS='~' for cmd in $cmds; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs $opt_quiet || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs # Restore the uninstalled library and exit if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test yes = "$module" || test yes = "$export_dynamic"; then # On all known operating systems, these are identical. dlname=$soname fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "'-R' is ignored for objects" test -n "$vinfo" && \ func_warning "'-version-info' is ignored for objects" test -n "$release" && \ func_warning "'-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object '$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj=$output ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # if reload_cmds runs $LD directly, get rid of -Wl from # whole_archive_flag_spec and hope we can get by with turning comma # into space. case $reload_cmds in *\$LD[\ \$]*) wl= ;; esac if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags else gentop=$output_objdir/${obj}x func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test yes = "$build_libtool_libs" || libobjs=$non_pic_objects # Create the old-style object. reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs output=$obj func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi test yes = "$build_libtool_libs" || { if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS } if test -n "$pic_flag" || test default != "$pic_mode"; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output=$libobj func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "'-version-info' is ignored for programs" test -n "$release" && \ func_warning "'-release' is ignored for programs" $preload \ && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test CXX = "$tagname"; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " $wl-bind_at_load" func_append finalize_command " $wl-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs=$new_libs func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath=$rpath rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath=$rpath if test -n "$libobjs" && test yes = "$build_old_libs"; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" false # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=: case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=false ;; *cygwin* | *mingw* ) test yes = "$build_libtool_libs" || wrappers_required=false ;; *) if test no = "$need_relink" || test yes != "$build_libtool_libs"; then wrappers_required=false fi ;; esac $wrappers_required || { # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command=$compile_command$compile_rpath # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.$objext"; then func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' fi exit $exit_status } if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test yes = "$no_install"; then # We don't need to create a wrapper script. link_command=$compile_var$compile_command$compile_rpath # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi case $hardcode_action,$fast_install in relink,*) # Fast installation is not supported link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath func_warning "this platform does not like uninstalled shared libraries" func_warning "'$output' will be relinked during installation" ;; *,yes) link_command=$finalize_var$compile_command$finalize_rpath relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` ;; *,no) link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath ;; *,needless) link_command=$finalize_var$compile_command$finalize_rpath relink_command= ;; esac # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource=$output_path/$objdir/lt-$output_name.c cwrapper=$output_path/$output_name.exe $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. 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for obj in $save_oldobjs do last_oldobj=$obj done eval test_cmds=\"$old_archive_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 for obj in $save_oldobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result func_append objlist " $obj" if test "$len" -lt "$max_cmd_len"; then : else # the above command should be used before it gets too long oldobjs=$objlist if test "$obj" = "$last_oldobj"; then RANLIB=$save_RANLIB fi test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$old_archive_cmds\" objlist= len=$len0 fi done RANLIB=$save_RANLIB oldobjs=$objlist if test -z "$oldobjs"; then eval cmds=\"\$concat_cmds\" else eval cmds=\"\$concat_cmds~\$old_archive_cmds\" fi fi fi func_execute_cmds "$cmds" 'exit $?' done test -n "$generated" && \ func_show_eval "${RM}r$generated" # Now create the libtool archive. case $output in *.la) old_library= test yes = "$build_old_libs" && old_library=$libname.$libext func_verbose "creating $output" # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done # Quote the link command for shipping. relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` if test yes = "$hardcode_automatic"; then relink_command= fi # Only create the output if not a dry run. $opt_dry_run || { for installed in no yes; do if test yes = "$installed"; then if test -z "$install_libdir"; then break fi output=$output_objdir/${outputname}i # Replace all uninstalled libtool libraries with the installed ones newdependency_libs= for deplib in $dependency_libs; do case $deplib in *.la) func_basename "$deplib" name=$func_basename_result func_resolve_sysroot "$deplib" eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" ;; -L*) func_stripname -L '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -L$func_replace_sysroot_result" ;; -R*) func_stripname -R '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -R$func_replace_sysroot_result" ;; *) func_append newdependency_libs " $deplib" ;; esac done dependency_libs=$newdependency_libs newdlfiles= for lib in $dlfiles; do case $lib in *.la) func_basename "$lib" name=$func_basename_result eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "'$lib' is not a valid libtool archive" func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" ;; *) func_append newdlfiles " $lib" ;; esac done dlfiles=$newdlfiles newdlprefiles= for lib in $dlprefiles; do case $lib in *.la) # Only pass preopened files to the pseudo-archive (for # eventual linking with the app. that links it) if we # didn't already link the preopened objects directly into # the library: func_basename "$lib" name=$func_basename_result eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "'$lib' is not a valid libtool archive" func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" ;; esac done dlprefiles=$newdlprefiles else newdlfiles= for lib in $dlfiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlfiles " $abs" done dlfiles=$newdlfiles newdlprefiles= for lib in $dlprefiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlprefiles " $abs" done dlprefiles=$newdlprefiles fi $RM $output # place dlname in correct position for cygwin # In fact, it would be nice if we could use this code for all target # systems that can't hard-code library paths into their executables # and that have no shared library path variable independent of PATH, # but it turns out we can't easily determine that from inspecting # libtool variables, so we have to hard-code the OSs to which it # applies here; at the moment, that means platforms that use the PE # object format with DLL files. 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See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. if test $# -eq 0; then echo 1>&2 "Try '$0 --help' for more information" exit 1 fi case $1 in --is-lightweight) # Used by our autoconf macros to check whether the available missing # script is modern enough. exit 0 ;; --run) # Back-compat with the calling convention used by older automake. shift ;; -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due to PROGRAM being missing or too old. 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This often happens when the user # tries to use an ancient version of a tool on a file that requires a # minimum version. if test $st -eq 63; then msg="probably too old" elif test $st -eq 127; then # Program was missing. msg="missing on your system" else # Program was found and executed, but failed. Give up. exit $st fi perl_URL=http://www.perl.org/ flex_URL=http://flex.sourceforge.net/ gnu_software_URL=http://www.gnu.org/software program_details () { case $1 in aclocal|automake) echo "The '$1' program is part of the GNU Automake package:" echo "<$gnu_software_URL/automake>" echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" echo "<$gnu_software_URL/autoconf>" echo "<$gnu_software_URL/m4/>" echo "<$perl_URL>" ;; autoconf|autom4te|autoheader) echo "The '$1' program is part of the GNU Autoconf package:" echo "<$gnu_software_URL/autoconf/>" echo "It also requires GNU m4 and Perl in order to run:" echo "<$gnu_software_URL/m4/>" echo "<$perl_URL>" ;; esac } give_advice () { # Normalize program name to check for. normalized_program=`echo "$1" | sed ' s/^gnu-//; t s/^gnu//; t s/^g//; t'` printf '%s\n' "'$1' is $msg." configure_deps="'configure.ac' or m4 files included by 'configure.ac'" case $normalized_program in autoconf*) echo "You should only need it if you modified 'configure.ac'," echo "or m4 files included by it." program_details 'autoconf' ;; autoheader*) echo "You should only need it if you modified 'acconfig.h' or" echo "$configure_deps." program_details 'autoheader' ;; automake*) echo "You should only need it if you modified 'Makefile.am' or" echo "$configure_deps." program_details 'automake' ;; aclocal*) echo "You should only need it if you modified 'acinclude.m4' or" echo "$configure_deps." program_details 'aclocal' ;; autom4te*) echo "You might have modified some maintainer files that require" echo "the 'autom4te' program to be rebuilt." program_details 'autom4te' ;; bison*|yacc*) echo "You should only need it if you modified a '.y' file." echo "You may want to install the GNU Bison package:" echo "<$gnu_software_URL/bison/>" ;; lex*|flex*) echo "You should only need it if you modified a '.l' file." echo "You may want to install the Fast Lexical Analyzer package:" echo "<$flex_URL>" ;; help2man*) echo "You should only need it if you modified a dependency" \ "of a man page." echo "You may want to install the GNU Help2man package:" echo "<$gnu_software_URL/help2man/>" ;; makeinfo*) echo "You should only need it if you modified a '.texi' file, or" echo "any other file indirectly affecting the aspect of the manual." echo "You might want to install the Texinfo package:" echo "<$gnu_software_URL/texinfo/>" echo "The spurious makeinfo call might also be the consequence of" echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" echo "want to install GNU make:" echo "<$gnu_software_URL/make/>" ;; *) echo "You might have modified some files without having the proper" echo "tools for further handling them. Check the 'README' file, it" echo "often tells you about the needed prerequisites for installing" echo "this package. You may also peek at any GNU archive site, in" echo "case some other package contains this missing '$1' program." ;; esac } give_advice "$1" | sed -e '1s/^/WARNING: /' \ -e '2,$s/^/ /' >&2 # Propagate the correct exit status (expected to be 127 for a program # not found, 63 for a program that failed due to version mismatch). exit $st # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: reiserfsprogs-3.6.25/CREDITS0000644000175000001440000001037412206760200012441 00000000000000/* Copyright 1996-2004 by Hans Reiser, licensing governed by reiserfsprogs/README. */ Hans Reiser was the project initiator, source of all funding for the first 5.5 years. He is the architect and official maintainer. Vladimir Saveliev started as the most junior programmer on the team, and became the lead programmer. He is now an experienced highly productive programmer. He wrote the extent handling code for Reiser4, plus parts of the balancing code and file write and file read. Alexander Zarochentcev (zam) wrote the high low priority locking code, online resizer for V3 and V4, online repacker for V4, block allocation code, and major parts of the flush code, and maintains the transaction manager code. We give him the stuff that we know will be hard to debug, or needs to be very cleanly structured. Nikita Danilov wrote most of the core balancing code, plugin infrastructure, and directory code. He steadily worked long hours, and is the reason so much of the Reiser4 plugin infrastructure is well abstracted in its details. The carry function, and the use of non-recursive balancing, are his idea. Vladimir Demidov wrote the parser for sys_reiser4(), the V3 alpha port, part of the V3 journal relocation code, and helped Hans keep the business side of things running. Chris Mason wrote the journaling code for V3, which was enormously more useful to users than just waiting until we could create a wandering log filesystem as Hans would have unwisely done without him. Jeff Mahoney optimized the bitmap scanning code for V3, and performed the big endian cleanups. Elena Gryaznova performed testing and benchmarking. Oleg Drokin was the debugger for V3 during most of the time that V4 was under development, and was quite skilled and fast at it. He wrote the large write optimization of V3. Edward Shishkin wrote the encryption and compression file plugins, and the V3 journal relocation code. Alexander Lyamin keeps our hardware running, and was very generous to our project in many little ways. Vitaly Fertman wrote fsck for V3 and maintains the reiserfsprogs package now. He wrote librepair, userspace plugins repair code, fsck for V4, and worked on developing libreiser4 and userspace plugins with Umka. Yury Umanets (aka Umka) developed libreiser4, userspace plugins, and all userspace tools (reiser4progs) except of fsck. Joshua Macdonald wrote the first draft of the transaction manager. Yuri Rupasov did testing and benchmarking, plus he invented the r5 hash (also used by the dcache code). Yura Rupasov, Anatoly Pinchuk, Igor Krasheninnikov, Grigory Zaigralin, Mikhail Gilula, Igor Zagorovsky, Roman Pozlevich, Konstantin Shvachko, and Joshua MacDonald are former contributors to the project. Jeremy Fitzhardinge wrote the teahash.c code for V3. Colin Plumb also contributed to that. The Defense Advanced Research Projects Agency (DARPA, www.darpa.mil) is the primary sponsor of Reiser4. DARPA does not endorse this project; it merely sponsors it. Continuing core development of ReiserFS is mostly paid for by Hans Reiser from money made selling licenses in addition to the GPL to companies who don't want it known that they use ReiserFS as a foundation for their proprietary product. And my lawyer asked 'People pay you money for this?'. Yup. Life is good. If you buy ReiserFS, you can focus on your value add rather than reinventing an entire FS. BigStorage (www.bigstorage.com) contributes to our general fund every month, and has done so for quite a long time. SuSE (www.suse.com) pays for continuing work on journaling for version 3, paid for much of the previous version 3 work, and is paying for Chris and Jeff to do V3 maintenance. Reiserfs integration in their distro is consistently solid, and they were key to our becoming widely used. Lycos Europe (www.lycos-europe.com) had a support contract with us that consistently came in just when we would otherwise have missed payroll, and that they kept doubling every year. Much thanks to them. Many persons came to www.namesys.com/support.html, and got a question answered for $25, or just gave us a small donation there. Thanks to all of those sponsors, including the secret ones. Without you, we would each still have that day job. reiserfsprogs-3.6.25/version.h0000644000175000001440000000024012202317257013254 00000000000000/* * Copyright 2002-2004 Hans Reiser, licensing governed by reiserfsprogs/README */ #define print_banner(prog) \ fprintf(stderr, "%s %s\n\n", prog, VERSION) reiserfsprogs-3.6.25/reiserfsprogs.spec0000644000175000001440000000477512164351351015210 00000000000000%define reiserfsprogsversion 3.6.23 Vendor: Hans Reiser Distribution: Hans Reiser Name: reiserfsprogs Release: 1 Copyright: 2004 Hans Reiser Group: Unsorted Packager: anthon@mnt.org Version: %{reiserfsprogsversion} Summary: utilities belonging to the Reiser filesystem Source: reiserfsprogs-%{reiserfsprogsversion}.tar.gz BuildRoot: %{_tmppath}/rpmbuildroot-%{name} %description The reiserfsprogs package contains programs for creating (mkreiserfs), checking and correcting any inconsistencies (reiserfsck) and resizing (resize_reiserfs) of a reiserfs filesystem. Authors: -------- Hans Reiser Vitaly Fertman Alexander Zarochentcev Vladimir Saveliev %prep # Jeff Johnson states that RPM doesn't delete obviouse crap like / if # buildroot is set differently since RPM 3.0.4 (rpm mailing list 2001-04-10) rm -rf $RPM_BUILD_ROOT %setup -q -n reiserfsprogs-%{reiserfsprogsversion} # %patch %build MANDIR=$(dirname $(dirname $(man -w fsck | cut -d ' ' -f 1))) ./configure --prefix="" --mandir=$MANDIR %{__make} all %install mkdir -p $RPM_BUILD_ROOT/sbin %{__make} DESTDIR=$RPM_BUILD_ROOT install # do we need this? cd $RPM_BUILD_ROOT/sbin %{__ln_s} -f reiserfsck fsck.reiserfs %{__ln_s} -f mkreiserfs mkfs.reiserfs # __os_install_post is normally executed after \%install disable it %define ___build_post %{nil} # explicitly call it now, so manpages get compressed, exec's stripped etc. %{?__os_install_post} %define __os_install_post %{nil} # now we have all the files execpt for docs, but their owner is unimportant cd $RPM_BUILD_ROOT %{__rm} -f rpm-filelist # we do not have special directories to make #find . -type d \ # | sed '1,2d;s,^\.,\%attr(-\,root\,root) \%dir ,' >> rpm-filelist find . -type f \ | sed 's,^\.,\%attr(-\,root\,root) ,' | fgrep -v rpm-filelist >> rpm-filelist find . -type l \ | sed 's,^\.,\%attr(-\,root\,root) ,' >> rpm-filelist %post CONFIG=/usr/src/linux/.config if [ -f $CONFIG ] ; then source $CONFIG fi if [ -z $CONFIG_REISERFS_FS ] ; then echo -e "\nIn $CONFIG , you probably have to set:" if [ "$CONFIG_EXPERIMENTAL" != "y" ] ; then echo -e 'CONFIG_EXPERIMENTAL=y' fi echo -e 'CONFIG_REISERFS_FS=y\n or' echo -e 'CONFIG_REISERFS_FS=m' echo -e 'and recompile and reboot your kernel if you cannot use the\nreiserfsprogs utilities' fi %clean %{__rm} -rf $RPM_BUILD_ROOT %files -f %{buildroot}/rpm-filelist %defattr(-,root,root) %doc README reiserfsprogs-3.6.25/include/0000755000175000001440000000000012725336324013133 500000000000000reiserfsprogs-3.6.25/include/Makefile.am0000644000175000001440000000022012215632405015072 00000000000000noinst_HEADERS = parse_time.h progbar.h reiserfsdir = $(includedir)/reiserfs reiserfs_HEADERS = io.h misc.h reiserfs_fs.h reiserfs_lib.h swab.h reiserfsprogs-3.6.25/include/parse_time.h0000644000175000001440000000034612035575200015347 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* nothing abount reiserfs here */ #ifndef TIME_H #define TIME_H #include time_t parse_time(char *str); #endif /* TIME_H */ reiserfsprogs-3.6.25/include/progbar.h0000644000175000001440000000131312215632405014647 00000000000000#ifndef _PROGBAR_H_ #define _PROGBAR_H_ #include #include enum { E2F_FLAG_PROG_SUPPRESS = 1, E2F_FLAG_PROG_BAR = 2, }; struct progbar { char units[16]; int progress_pos; int progress_last_percent; time_t progress_last_time; int flags; FILE *file; }; struct spinner { int count; FILE *file; }; void progbar_init(struct progbar *ctx, const char *units, FILE * fp); void progbar_clear(struct progbar *ctx); int progbar_update(struct progbar *ctx, const char *label, int curr, int max, unsigned int dpynum); void spinner_init(struct spinner *spinner, FILE * fp); void spinner_touch(struct spinner *spinner); void spinner_clear(struct spinner *spinner); #endif /* _PROGBAR_H_ */ reiserfsprogs-3.6.25/include/io.h0000644000175000001440000000515712206770175013643 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifndef REISERFSPROGS_IO_H #define REISERFSPROGS_IO_H #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include "misc.h" struct buffer_head { unsigned long b_blocknr; int b_dev; unsigned long b_size; char *b_data; unsigned long b_state; unsigned int b_count; unsigned int b_list; void (*b_start_io) (unsigned long); void (*b_end_io) (struct buffer_head * bh, int uptodate); struct buffer_head *b_next; struct buffer_head *b_prev; struct buffer_head *b_hash_next; struct buffer_head *b_hash_prev; }; #define BH_Uptodate 0 #define BH_Dirty 1 #define BH_Lock 2 #define BH_Do_not_flush 3 #define buffer_uptodate(bh) misc_test_bit(BH_Uptodate, &(bh)->b_state) #define buffer_dirty(bh) misc_test_bit(BH_Dirty, &(bh)->b_state) #define buffer_locked(bh) misc_test_bit(BH_Lock, &(bh)->b_state) #define buffer_clean(bh) !misc_test_bit(BH_Dirty, &(bh)->b_state) #define buffer_do_not_flush(bh) misc_test_bit(BH_Do_not_flush, &(bh)->b_state) #define mark_buffer_dirty(bh) misc_set_bit(BH_Dirty, &(bh)->b_state) #define mark_buffer_uptodate(bh,i) misc_set_bit(BH_Uptodate, &(bh)->b_state) #define mark_buffer_clean(bh) misc_clear_bit(BH_Dirty, &(bh)->b_state) #define mark_buffer_do_not_flush(bh) misc_set_bit(BH_Do_not_flush, &(bh)->b_state) #define clear_buffer_do_not_flush(bh) misc_clear_bit(BH_Do_not_flush, &(bh)->b_state) /* printf ("%s:%s:%u %p %p %p\n", __FILE__, __FUNCTION__, __LINE__, __builtin_return_address (0), __builtin_return_address (1), __builtin_return_address (2)); */ void __wait_on_buffer(struct buffer_head *bh); struct buffer_head *getblk(int dev, unsigned long block, int size); struct buffer_head *reiserfs_getblk(int dev, unsigned long block, int size, int *repeat); struct buffer_head *find_buffer(int dev, unsigned long block, unsigned long size); struct buffer_head *get_hash_table(dev_t dev, unsigned long block, int size); struct buffer_head *bread(int dev, unsigned long block, size_t size); struct buffer_head *reiserfs_bread(int dev, unsigned long block, int size, int *repeat); int bwrite(struct buffer_head *bh); void brelse(struct buffer_head *bh); void bforget(struct buffer_head *bh); void init_rollback_file(char *rollback_file, unsigned int *blocksize, FILE * log); int open_rollback_file(char *rollback_file, FILE * log); void close_rollback_file(); void do_fsck_rollback(int fd_device, int fd_journal_device, FILE * log); void flush_buffers(int); void free_buffers(void); void invalidate_buffers(int); #endif reiserfsprogs-3.6.25/include/misc.h0000644000175000001440000001712112725331575014164 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* nothing abount reiserfs here */ #ifndef REISERFSPROGS_MISC_H #define REISERFSPROGS_MISC_H #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #if defined(MAJOR_IN_MKDEV) # include #elif defined(MAJOR_IN_SYSMACROS) # include #endif #include "swab.h" #define POSITION_FOUND 8 #define POSITION_NOT_FOUND 9 #define INVAL_PTR (void *)-1 void check_memory_msg(void); void die(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); void *getmem(int size); void *mem_alloc(int size); void freemem(void *p); void checkmem(const char *p, int size); void *expandmem(void *p, int size, int by); unsigned int get_mem_size(const char *p); void check_and_free_mem(void); char *kdevname(int dev); typedef enum mount_flags { MF_NOT_MOUNTED = 0x0, MF_RO = 0x1, MF_RW = 0x2 } mount_flags_t; typedef struct mount_hint { char *point; /* Mount point. */ __u32 psize; /* Mount point buffer size. */ __u32 flags; /* Mount flags. */ } mount_hint_t; struct mntent *misc_mntent(const char *device); int misc_device_mounted(const char *device); typedef struct dma_info { int fd; struct stat st; int support_type; int dma; __u64 speed; } dma_info_t; int prepare_dma_check(dma_info_t *dma_info); int get_dma_info(dma_info_t *dma_info); void clean_after_dma_check(int fd, dma_info_t *dma_info); int valid_offset(int fd, loff_t offset); unsigned long count_blocks(const char *filename, int blocksize); void print_how_far(FILE * fp, unsigned long *passed, unsigned long total, unsigned int inc, int quiet); void print_how_fast(unsigned long total, unsigned long passed, int cursor_pos, int reset_time); __u32 get_random(void); int user_confirmed(FILE * fp, const char *q, const char *yes); /* Only le bitops operations are used. */ static inline int misc_set_bit(unsigned long long nr, void *addr) { __u8 *p, mask; int retval; p = (__u8 *) addr; p += nr >> 3; mask = 1 << (nr & 0x7); /*cli(); */ retval = (mask & *p) != 0; *p |= mask; /*sti(); */ return retval; } static inline int misc_clear_bit(unsigned long long nr, void *addr) { __u8 *p, mask; int retval; p = (__u8 *) addr; p += nr >> 3; mask = 1 << (nr & 0x7); /*cli(); */ retval = (mask & *p) != 0; *p &= ~mask; /*sti(); */ return retval; } static inline int misc_test_bit(unsigned long long nr, const void *addr) { __u8 *p, mask; p = (__u8 *) addr; p += nr >> 3; mask = 1 << (nr & 0x7); return ((mask & *p) != 0); } static inline unsigned long long misc_find_first_zero_bit(const void *vaddr, unsigned long long size) { const __u8 *p = vaddr, *addr = vaddr; unsigned long long res; if (!size) return 0; size = (size >> 3) + ((size & 0x7) > 0); while (*p++ == 255) { if (--size == 0) return (unsigned long long)(p - addr) << 3; } --p; for (res = 0; res < 8; res++) if (!misc_test_bit(res, p)) break; return res + (p - addr) * 8; } static inline unsigned long long misc_find_next_zero_bit(const void *vaddr, unsigned long long size, unsigned long long offset) { const __u8 *addr = vaddr; const __u8 *p = addr + (offset >> 3); int bit = offset & 7; unsigned long long res; if (offset >= size) return size; if (bit) { /* Look for zero in first char */ for (res = bit; res < 8; res++) if (!misc_test_bit(res, p)) return res + (p - addr) * 8; p++; } /* No zero yet, search remaining full bytes for a zero */ res = misc_find_first_zero_bit(p, size - 8 * (p - addr)); return res + (p - addr) * 8; } static inline unsigned long long misc_find_first_set_bit(const void *vaddr, unsigned long long size) { const __u8 *p = vaddr, *addr = vaddr; unsigned long long res; if (!size) return 0; size = (size >> 3) + ((size & 0x7) > 0); while (*p++ == 0) { if (--size == 0) return (unsigned long long)(p - addr) << 3; } --p; for (res = 0; res < 8; res++) if (misc_test_bit(res, p)) break; return res + (p - addr) * 8; } static inline unsigned long long misc_find_next_set_bit(const void *vaddr, unsigned long long size, unsigned long long offset) { const __u8 *addr = vaddr; const __u8 *p = addr + (offset >> 3); int bit = offset & 7; unsigned long long res; if (offset >= size) return size; if (bit) { /* Look for zero in first char */ for (res = bit; res < 8; res++) if (misc_test_bit(res, p)) return res + (p - addr) * 8; p++; } /* No set bit yet, search remaining full bytes for a 1 */ res = misc_find_first_set_bit(p, size - 8 * (p - addr)); return res + (p - addr) * 8; } #define STAT_FIELD(Field, Type) \ static inline Type misc_device_##Field(const char *device) \ { \ struct stat st; \ \ if (stat(device, &st) == 0) \ return st.st_##Field; \ \ fprintf(stderr, "Stat of the device '%s' failed.", device); \ exit(8); \ } STAT_FIELD(mode, mode_t); STAT_FIELD(rdev, dev_t); STAT_FIELD(size, off_t); STAT_FIELD(blocks, blkcnt_t); __u16 mask16(int from, int count); __u32 mask32(int from, int count); __u64 mask64(int from, int count); int reiserfs_bin_search(const void *key, void *base, __u32 num, int width, __u32 * ppos, __compar_fn_t comp_func); struct block_handler { __u32 blocknr; dev_t device; }; int blocklist__is_block_saved(struct block_handler **base, __u32 * count, __u32 blocknr, dev_t device, __u32 * position); void blocklist__insert_in_position(void *block_h, void **base, __u32 * count, int elem_size, __u32 * position); int blockdev_list_compare(const void *block1, const void *block2); #define set_bit_field_XX(XX,vp,val,from,count) \ {\ __le##XX * p;\ __u##XX tmp;\ \ /* make sure that given value can be put in 'count' bits */\ if (val > (1 << count))\ die ("set_bit_field: val %d is too big for %d bits", val, count);\ \ p = (__le##XX *)vp;\ tmp = le##XX##_to_cpu (*p);\ \ /* clear 'count' bits starting from 'from'-th one */\ tmp &= ~mask##XX (from, count);\ \ /* put given value in proper bits */\ tmp |= (val << from);\ \ *p = cpu_to_le##XX (tmp);\ } #define get_bit_field_XX(XX,vp,from,count) \ \ __le##XX * p;\ __u##XX tmp;\ \ p = (__le##XX *)vp;\ tmp = le##XX##_to_cpu (*p);\ \ /* clear all bits but 'count' bits starting from 'from'-th one */\ tmp &= mask##XX (from, count);\ \ /* get value written in specified bits */\ tmp >>= from;\ return tmp; #ifndef major #define major(rdev) ((rdev)>>8) #define minor(rdev) ((rdev) & 0xff) #endif /* major */ #ifndef SCSI_DISK_MAJOR #define SCSI_DISK_MAJOR(maj) ((maj) == SCSI_DISK0_MAJOR || \ ((maj) >= SCSI_DISK1_MAJOR && (maj) <= SCSI_DISK7_MAJOR)) #endif /* SCSI_DISK_MAJOR */ #ifndef SCSI_BLK_MAJOR #define SCSI_BLK_MAJOR(maj) (SCSI_DISK_MAJOR(maj) || (maj) == SCSI_CDROM_MAJOR) #endif /* SCSI_BLK_MAJOR */ #ifndef IDE_DISK_MAJOR #ifdef IDE9_MAJOR #define IDE_DISK_MAJOR(maj) ((maj) == IDE0_MAJOR || (maj) == IDE1_MAJOR || \ (maj) == IDE2_MAJOR || (maj) == IDE3_MAJOR || \ (maj) == IDE4_MAJOR || (maj) == IDE5_MAJOR || \ (maj) == IDE6_MAJOR || (maj) == IDE7_MAJOR || \ (maj) == IDE8_MAJOR || (maj) == IDE9_MAJOR) #else #define IDE_DISK_MAJOR(maj) ((maj) == IDE0_MAJOR || (maj) == IDE1_MAJOR || \ (maj) == IDE2_MAJOR || (maj) == IDE3_MAJOR || \ (maj) == IDE4_MAJOR || (maj) == IDE5_MAJOR) #endif /* IDE9_MAJOR */ #endif /* IDE_DISK_MAJOR */ #endif /* REISERFS_MISC_H */ reiserfsprogs-3.6.25/include/reiserfs_fs.h0000644000175000001440000020556712310423334015541 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* * Reiser File System constants and structures */ /* in reading the #defines, it may help to understand that they employ the following abbreviations: B = Buffer I = Item header H = Height within the tree (should be changed to LEV) N = Number of the item in the node STAT = stat data DEH = Directory Entry Header EC = Entry Count E = Entry number UL = Unsigned Long BLKH = BLocK Header UNFM = UNForMatted node DC = Disk Child P = Path These #defines are named by concatenating these abbreviations, where first comes the arguments, and last comes the return value, of the macro. */ #ifndef REISERFSPROGS_FS_H #define REISERFSPROGS_FS_H #include #include "swab.h" typedef __u16 __bitwise __le16; typedef __u32 __bitwise __le32; typedef __u64 __bitwise __le64; typedef unsigned int blocknr_t; #ifndef get_unaligned #define get_unaligned(ptr) \ ({ \ __typeof__(*(ptr)) __tmp; \ memcpy(&__tmp, (ptr), sizeof(*(ptr))); \ __tmp; \ }) #endif #ifndef put_unaligned #define put_unaligned(val, ptr) \ ({ \ __typeof__(*(ptr)) __tmp = (val); \ memcpy((ptr), &__tmp, sizeof(*(ptr))); \ (void)0; \ }) #endif #define get_leXX(xx,p,field) (le##xx##_to_cpu ((p)->field)) #define set_leXX(xx,p,field,val) do { (p)->field = cpu_to_le##xx(val); } while (0) #define get_le16(p,field) get_leXX (16, p, field) #define set_le16(p,field,val) set_leXX (16, p, field, val) #define get_le32(p,field) get_leXX (32, p, field) #define set_le32(p,field,val) set_leXX (32, p, field, val) #define get_le64(p,field) get_leXX (64, p, field) #define set_le64(p,field,val) set_leXX (64, p, field, val) /***************************************************************************/ /* SUPER BLOCK */ /***************************************************************************/ #define UNSET_HASH 0 // read_super will guess about, what hash names // in directories were sorted with #define TEA_HASH 1 #define YURA_HASH 2 #define R5_HASH 3 #define DEFAULT_HASH R5_HASH /* super block of prejournalled version */ struct reiserfs_super_block_v0 { __le32 s_block_count; __le32 s_free_blocks; __le32 s_root_block; __le16 s_blocksize; __le16 s_oid_maxsize; __le16 s_oid_cursize; __le16 s_state; char s_magic[16]; __le16 s_tree_height; __le16 s_bmap_nr; __le16 s_reserved; }; struct journal_params { __le32 jp_journal_1st_block; /* where does journal start from on its device */ __le32 jp_journal_dev; /* journal device st_rdev */ __le32 jp_journal_size; /* size of the journal on FS creation. used to make sure they don't overflow it */ __le32 jp_journal_trans_max; /* max number of blocks in a transaction. */ __le32 jp_journal_magic; /* random value made on fs creation (this was sb_journal_block_count) */ __le32 jp_journal_max_batch; /* max number of blocks to batch into a trans */ __le32 jp_journal_max_commit_age; /* in seconds, how old can an async commit be */ __le32 jp_journal_max_trans_age; /* in seconds, how old can a transaction be */ }; #define get_jp_journal_1st_block(jp) get_le32 (jp, jp_journal_1st_block) #define set_jp_journal_1st_block(jp,val) set_le32 (jp, jp_journal_1st_block, val) #define get_jp_journal_dev(jp) get_le32 (jp, jp_journal_dev) #define set_jp_journal_dev(jp,val) set_le32 (jp, jp_journal_dev, val) #define get_jp_journal_size(jp) get_le32 (jp, jp_journal_size) #define set_jp_journal_size(jp,val) set_le32 (jp, jp_journal_size, val) #define get_jp_journal_max_trans_len(jp) get_le32 (jp, jp_journal_trans_max) #define set_jp_journal_max_trans_len(jp,val) set_le32 (jp, jp_journal_trans_max, val) #define get_jp_journal_magic(jp) get_le32 (jp, jp_journal_magic) #define set_jp_journal_magic(jp,val) set_le32 (jp, jp_journal_magic, val) #define NEED_TUNE 0xffffffff #define get_jp_journal_max_batch(jp) get_le32 (jp, jp_journal_max_batch) #define set_jp_journal_max_batch(jp,val) set_le32 (jp, jp_journal_max_batch, val) #define get_jp_journal_max_commit_age(jp) get_le32 (jp, jp_journal_max_commit_age) #define set_jp_journal_max_commit_age(jp,val) set_le32 (jp, jp_journal_max_commit_age, val) #define get_jp_journal_max_trans_age(jp) get_le32 (jp, jp_journal_max_commit_age) #define set_jp_journal_max_trans_age(jp,val) set_le32 (jp, jp_journal_max_commit_age, val) /* this is the super from 3.5.X */ struct reiserfs_super_block_v1 { __le32 sb_block_count; /* 0 number of block on data device */ __le32 sb_free_blocks; /* 4 free blocks count */ __le32 sb_root_block; /* 8 root of the tree */ struct journal_params sb_journal; /* 12 */ __le16 sb_blocksize; /* 44 */ __le16 sb_oid_maxsize; /* 46 max size of object id array, see get_objectid() commentary */ __le16 sb_oid_cursize; /* 48 current size of object id array */ __le16 sb_umount_state; /* 50 this is set to 1 when filesystem was umounted, to 2 - when not */ char s_magic[10]; /* 52 reiserfs magic string indicates that file system is reiserfs: "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */ __le16 sb_fs_state; /* 62 it is set to used by fsck to mark which phase of rebuilding is done (used for fsck debugging) */ __le32 sb_hash_function_code; /* 64 code of fuction which was/is/will be used to sort names in a directory. See codes in above */ __le16 sb_tree_height; /* 68 height of filesytem tree. Tree consisting of only one root block has 2 here */ __le16 sb_bmap_nr; /* 70 amount of bitmap blocks needed to address each block of file system */ __le16 sb_version; /* 72 this field is only reliable on filesystem with non-standard journal */ __le16 sb_reserved_for_journal; /* 74 size in blocks of journal area on main device, we need to keep after non-standard journal relocation */ }; #define SB_SIZE_V1 (sizeof(struct reiserfs_super_block_v1)) /* 76 bytes */ #define sb_jp(sb) (&((sb)->s_v1.sb_journal)) /* values for sb_version field of struct reiserfs_super_block. sb_version is only reliable on filesystem with non-standard journal */ #define REISERFS_FORMAT_3_5 0 #define REISERFS_FORMAT_3_6 2 #define REISERFS_FORMAT_UNKNOWN -1 /* values for sb_mount_state field */ #define FS_CLEANLY_UMOUNTED 1 /* this was REISERFS_VALID_FS */ #define FS_NOT_CLEANLY_UMOUNTED 2 /* this was REISERFS_ERROR. It means that filesystem was not cleanly unmounted */ /* Structure of super block on disk */ struct reiserfs_super_block { /* 0 */ struct reiserfs_super_block_v1 s_v1; /* 76 */ __le32 sb_inode_generation; /* 80 */ __le32 s_flags; /* Right now used only by inode-attributes, if enabled */ /* 84 */ unsigned char s_uuid[16]; /* filesystem unique identifier */ /*100 */ char s_label[16]; /* filesystem volume label */ /*116 */ __le16 s_mnt_count; /*118 */ __le16 s_max_mnt_count; /*120 */ __le32 s_lastcheck; /*124 */ __le32 s_check_interval; /*128 */ char s_unused[76]; /* zero filled by mkreiserfs and reiserfs_convert_objectid_map_v1() * so any additions must be updated there as well. */ /*204*/ } __attribute__ ((__packed__));; typedef enum { reiserfs_attrs_cleared = 0x00000001, } reiserfs_super_block_flags; #define SB_SIZE (sizeof(struct reiserfs_super_block)) /* 204 bytes */ /* set/get fields of super block with these defines */ #define get_sb_block_count(sb) get_le32 (sb, s_v1.sb_block_count) #define set_sb_block_count(sb,val) set_le32 (sb, s_v1.sb_block_count, val) #define get_sb_free_blocks(sb) get_le32 (sb, s_v1.sb_free_blocks) #define set_sb_free_blocks(sb,val) set_le32 (sb, s_v1.sb_free_blocks, val) #define get_sb_root_block(sb) get_le32 (sb,s_v1.sb_root_block) #define set_sb_root_block(sb,val) set_le32 (sb, s_v1.sb_root_block, val) #if 0 #define get_sb_mount_id(sb) get_le32 (sb,s_v1.sb_mountid) #define set_sb_mount_id(sb,val) set_le32 (sb, s_v1.sb_mountid, val) #define get_sb_journal_magic(sb) get_le32 (sb, s_v1.sb_journal_magic) #define set_sb_journal_magic(sb,val) set_le32 (sb, s_v1.sb_journal_magic, val) #endif #define get_sb_block_size(sb) get_le16 (sb, s_v1.sb_blocksize) #define set_sb_block_size(sb,val) set_le16 (sb, s_v1.sb_blocksize, val) #define get_sb_oid_maxsize(sb) get_le16 (sb, s_v1.sb_oid_maxsize) #define set_sb_oid_maxsize(sb,val) set_le16 (sb, s_v1.sb_oid_maxsize, val) #define get_sb_oid_cursize(sb) get_le16 (sb, s_v1.sb_oid_cursize) #define set_sb_oid_cursize(sb,val) set_le16 (sb, s_v1.sb_oid_cursize, val) #define get_sb_umount_state(sb) get_le16 (sb, s_v1.sb_umount_state) #define set_sb_umount_state(sb,val) set_le16 (sb, s_v1.sb_umount_state, val) #define get_sb_fs_state(sb) get_le16 (sb, s_v1.sb_fs_state) #define set_sb_fs_state(sb,flag) set_le16 (sb, s_v1.sb_fs_state, flag) #define get_sb_hash_code(sb) get_le32 (sb, s_v1.sb_hash_function_code) #define set_sb_hash_code(sb,val) set_le32 (sb, s_v1.sb_hash_function_code, val) #define get_sb_tree_height(sb) get_le16 (sb, s_v1.sb_tree_height) #define set_sb_tree_height(sb,val) set_le16 (sb, s_v1.sb_tree_height, val) #define get_sb_bmap_nr(sb) get_le16 (sb, s_v1.sb_bmap_nr) #define set_sb_bmap_nr(sb,val) set_le16 (sb, s_v1.sb_bmap_nr, val) #define get_sb_version(sb) get_le16 (sb, s_v1.sb_version) #define set_sb_version(sb,val) set_le16 (sb, s_v1.sb_version, val) #define get_sb_reserved_for_journal(sb) get_le16 (sb, s_v1.sb_reserved_for_journal) #define set_sb_reserved_for_journal(sb,val) set_le16 (sb, s_v1.sb_reserved_for_journal, val) #define get_sb_v2_inode_generation(sb) get_le32 (sb, sb_inode_generation) #define set_sb_v2_inode_generation(sb,val) set_le32 (sb, sb_inode_generation, val) #define get_sb_v2_mnt_count(sb) get_le16 (sb, s_mnt_count) #define set_sb_v2_mnt_count(sb,val) set_le16 (sb, s_mnt_count, val) #define get_sb_v2_max_mnt_count(sb) \ get_le16 (sb, s_max_mnt_count) #define set_sb_v2_max_mnt_count(sb,val) \ set_le16 (sb, s_max_mnt_count, val) #define get_sb_v2_lastcheck(sb) get_le32 (sb, s_lastcheck) #define set_sb_v2_lastcheck(sb,val) set_le32 (sb, s_lastcheck, val) #define get_sb_v2_check_interval(sb) \ get_le32 (sb, s_check_interval) #define set_sb_v2_check_interval(sb,val) \ set_le32 (sb, s_check_interval, val) #define get_sb_v2_flags(sb) get_le32 (sb, s_flags) #define set_sb_v2_flags(sb, val) set_le32 (sb, s_flags, val) #define get_sb_v2_flag(sb, flag) (get_le32 (sb, s_flags) & flag) #define set_sb_v2_flag(sb, flag) set_le32 (sb, s_flags, get_le32 (sb, s_flags) | flag) #define clear_sb_v2_flag(sb, flag) set_le32 (sb, s_flags, get_le32 (sb, s_flags) & ~(flag)) /* #define journal_is_relocated(sb) get_jp_journal_dev(sb_jp (sb)) */ #define DEFAULT_MAX_MNT_COUNT 30 /* 30 mounts */ #define DEFAULT_CHECK_INTERVAL (180 * 60 * 60 * 24) /* 180 days */ /* these are possible values for sb_fs_state */ #define FS_CONSISTENT 0x0 /* this is set by mkreiserfs and by reiserfsck */ #define FS_ERROR 0x1 /* this is set by the kernel when fsck is wanted. */ #define FS_FATAL 0x2 /* this is set by fsck when fatal corruption is found */ #define IO_ERROR 0x4 /* this is set by kernel when io error occures */ #define PASS_0_DONE 0xfa02 /* set by fsck when pass-by-pass (-d), FS_FATAL flag included */ #define PASS_1_DONE 0xfb02 /* set by fsck when pass-by-pass (-d), FS_FATAL flag included */ #define TREE_IS_BUILT 0xfc02 /* set by fsck when pass-by-pass (-d), FS_FATAL flag included */ #define SEMANTIC_DONE 0xfd02 /* set by fsck when pass-by-pass (-d), FS_FATAL flag included */ #define LOST_FOUND_DONE 0xfe02 /* set by fsck when pass-by-pass (-d), FS_FATAL flag included */ /* struct stat_data* access macros */ /* v1 */ #define sd_v1_mode(sd) (le16_to_cpu((sd)->sd_mode)) #define set_sd_v1_mode(sd,n) ((sd)->sd_mode = cpu_to_le16((n))) #define sd_v1_nlink(sd) (le16_to_cpu((sd)->sd_nlink)) #define set_sd_v1_nlink(sd,n) ((sd)->sd_nlink = cpu_to_le16((n))) #define sd_v1_uid(sd) (le16_to_cpu((sd)->sd_uid)) #define set_sd_v1_uid(sd,n) ((sd)->sd_uid = cpu_to_le16((n))) #define sd_v1_gid(sd) (le16_to_cpu((sd)->sd_gid)) #define set_sd_v1_gid(sd,n) ((sd)->sd_gid = cpu_to_le16((n))) #define sd_v1_size(sd) (le32_to_cpu((sd)->sd_size)) #define set_sd_v1_size(sd,n) ((sd)->sd_size = cpu_to_le32((n))) #define sd_v1_atime(sd) (le32_to_cpu((sd)->sd_atime)) #define set_sd_v1_atime(sd,n) ((sd)->sd_atime = cpu_to_le32((n))) #define sd_v1_mtime(sd) (le32_to_cpu((sd)->sd_mtime)) #define set_sd_v1_mtime(sd,n) ((sd)->sd_mtime = cpu_to_le32((n))) #define sd_v1_ctime(sd) (le32_to_cpu((sd)->sd_ctime)) #define set_sd_v1_ctime(sd,n) ((sd)->sd_ctime = cpu_to_le32((n))) #define sd_v1_blocks(sd) (le32_to_cpu((sd)->u.sd_blocks)) #define set_sd_v1_blocks(sd,n) ((sd)->u.sd_blocks = cpu_to_le32((n))) #define sd_v1_rdev(sd) (le32_to_cpu((sd)->u.sd_rdev)) #define set_sd_v1_rdev(sd,n) ((sd)->u.sd_rdev = cpu_to_le32((n))) #define sd_v1_first_direct_byte(sd) (le32_to_cpu((sd)->sd_first_direct_byte)) #define set_sd_v1_first_direct_byte(sd,n) \ ((sd)->sd_first_direct_byte = cpu_to_le32((n))) /* v2 */ #define sd_v2_mode(sd) (le16_to_cpu((sd)->sd_mode)) #define set_sd_v2_mode(sd,n) ((sd)->sd_mode = cpu_to_le16((n))) #define sd_v2_sd_attrs(sd) (le16_to_cpu((sd)->sd_attrs)) #define set_sd_v2_sd_attrs(sd,n) ((sd)->sd_attrs = cpu_to_le16((n))) #define sd_v2_nlink(sd) (le32_to_cpu((sd)->sd_nlink)) #define set_sd_v2_nlink(sd,n) ((sd)->sd_nlink = cpu_to_le32((n))) #define sd_v2_size(sd) (le64_to_cpu((sd)->sd_size)) #define set_sd_v2_size(sd,n) ((sd)->sd_size = cpu_to_le64((n))) #define sd_v2_uid(sd) (le32_to_cpu((sd)->sd_uid)) #define set_sd_v2_uid(sd,n) ((sd)->sd_uid = cpu_to_le32((n))) #define sd_v2_gid(sd) (le32_to_cpu((sd)->sd_gid)) #define set_sd_v2_gid(sd,n) ((sd)->sd_gid = cpu_to_le32((n))) #define sd_v2_atime(sd) (le32_to_cpu((sd)->sd_atime)) #define set_sd_v2_atime(sd,n) ((sd)->sd_atime = cpu_to_le32((n))) #define sd_v2_mtime(sd) (le32_to_cpu((sd)->sd_mtime)) #define set_sd_v2_mtime(sd,n) ((sd)->sd_mtime = cpu_to_le32((n))) #define sd_v2_ctime(sd) (le32_to_cpu((sd)->sd_ctime)) #define set_sd_v2_ctime(sd,n) ((sd)->sd_ctime = cpu_to_le32((n))) #define sd_v2_blocks(sd) (le32_to_cpu((sd)->sd_blocks)) #define set_sd_v2_blocks(sd,n) ((sd)->sd_blocks = cpu_to_le32((n))) #define sd_v2_rdev(sd) (le32_to_cpu((sd)->u.sd_rdev)) #define set_sd_v2_rdev(sd,n) ((sd)->u.sd_rdev = cpu_to_le32((n))) /* ReiserFS leaves the first 64k unused, so that partition labels have enough space. If someone wants to write a fancy bootloader that needs more than 64k, let us know, and this will be increased in size. This number must be larger than than the largest block size on any platform, or code will break. -Hans */ #define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024) /*#define MD_RAID_SUPERBLOCKS_IN_BYTES (128 * 1024)*/ /* the spot for the super in versions 3.5 - 3.5.11 (inclusive) */ #define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024) /* prejournalled reiserfs had signature in the other place in super block */ #define REISERFS_SUPER_MAGIC_STRING_OFFSET_NJ 20 /* f_type of struct statfs will be set at this value by statfs(2) */ #define REISERFS_SUPER_MAGIC 0x52654973 /* various reiserfs signatures. We have 3 so far. ReIsErFs for 3.5 format with standard journal, ReIsEr2Fs for 3.6 (or converted 3.5) and ReIsEr3Fs for filesystem with non-standard journal (formats are distinguished by sb_version in that case). Those signatures should be looked for at the 64-th and at the 8-th 1k block of the device */ #define REISERFS_3_5_SUPER_MAGIC_STRING "ReIsErFs" #define REISERFS_3_6_SUPER_MAGIC_STRING "ReIsEr2Fs" #define REISERFS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs" /* JR stands for Journal Relocation */ #define get_reiserfs_ondisk_offset(block_of_super_block, block_size) \ (block_of_super_block * block_size) #define is_new_sb_location(block_of_super_block, block_size) \ ((get_reiserfs_ondisk_offset(block_of_super_block, block_size) == REISERFS_DISK_OFFSET_IN_BYTES) \ ? 1 : 0) /*only 4k blocks for old location*/ #define is_old_sb_location(block_of_super_block, block_size) \ ((get_reiserfs_ondisk_offset(block_of_super_block, 4096) == REISERFS_OLD_DISK_OFFSET_IN_BYTES) \ ? 1 : 0) /***************************************************************************/ /* JOURNAL */ /***************************************************************************/ #define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */ /* journal.c see journal.c for all the comments here */ //#define JOURNAL_TRANS_HALF 1018 /* must be correct to keep the desc and commit structs at 4k */ /* first block written in a commit. BUG, not 64bit safe */ struct reiserfs_journal_desc { __le32 j2_trans_id; /* id of commit */ __le32 j2_len; /* length of commit. len +1 is the commit block */ __le32 j2_mount_id; /* mount id of this trans */ __le32 j2_realblock[1]; /* real locations for each block */ }; #define get_jd_magic(bh) (bh->b_data + bh->b_size - 12) #define journal_trans_half(blocksize) \ ((blocksize - sizeof (struct reiserfs_journal_desc) + sizeof (__le32) - 12) / sizeof (__le32)) #define jdesc_header(bh) ((struct reiserfs_journal_desc *)bh->b_data) #define get_desc_trans_id(bh) get_le32 (jdesc_header (bh), j2_trans_id) #define set_desc_trans_id(bh,val) set_le32 (jdesc_header (bh), j2_trans_id, val) #define get_desc_trans_len(bh) get_le32 (jdesc_header (bh), j2_len) #define set_desc_trans_len(bh,val) set_le32 (jdesc_header (bh), j2_len, val) #define get_desc_mount_id(bh) get_le32 (jdesc_header (bh), j2_mount_id) #define set_desc_mount_id(bh,val) set_le32 (jdesc_header (bh), j2_mount_id, val) /* last block written in a commit BUG, not 64bit safe */ struct reiserfs_journal_commit { __le32 j3_trans_id; /* must match j_trans_id from the desc block */ __le32 j3_len; /* ditto */ __le32 j3_realblock[1]; /* real locations for each block */ }; #define jcommit_header(bh) ((struct reiserfs_journal_commit *)bh->b_data) #define get_commit_trans_id(bh) get_le32 (jcommit_header(bh), j3_trans_id) #define set_commit_trans_id(bh,val) set_le32 (jcommit_header(bh), j3_trans_id, val) #define get_commit_trans_len(bh) get_le32 (jcommit_header(bh), j3_len) #define set_comm_trans_len(bh,val) set_le32 (jcommit_header(bh), j3_len, val) /* this header block gets written whenever a transaction is considered fully ** flushed, and is more recent than the last fully flushed transaction. fully ** flushed means all the log blocks and all the real blocks are on disk, and ** this transaction does not need to be replayed. */ struct reiserfs_journal_header { __le32 jh_last_flush_trans_id; /* id of last fully flushed transaction */ __le32 jh_first_unflushed_offset; /* offset in the log of where to start replay after a crash */ __le32 jh_mount_id; struct journal_params jh_journal; __le32 jh_last_check_mount_id; /* the mount id of the fs during the last reiserfsck --check. */ }; /* set/get fields of journal header with these defines */ #define get_jh_mount_id(jh) get_le32 (jh, jh_mount_id) #define set_jh_mount_id(jh,val) set_le32 (jh, jh_mount_id, val) #define get_jh_last_flushed(jh) get_le32 (jh, jh_last_flush_trans_id) #define set_jh_last_flushed(jh,val) set_le32 (jh, jh_last_flush_trans_id, val) #define get_jh_replay_start_offset(jh) get_le32 (jh, jh_first_unflushed_offset) #define set_jh_replay_start_offset(jh,val) set_le32 (jh, jh_first_unflushed_offset, val) /* journal default settings */ #define JOURNAL_MIN_SIZE 512 #define JOURNAL_TRANS_MAX 1024 /* biggest possible single transaction, don't change for now (8/3/99) */ #define JOURNAL_TRANS_MIN 256 /* need to check whether it works */ #define JOURNAL_DEFAULT_RATIO 8 /* default journal size / max trans length */ #define JOURNAL_MIN_RATIO 2 #define JOURNAL_MAX_BATCH 900 /* max blocks to batch into one transaction, don't make this any bigger than 900 */ #define JOURNAL_MAX_COMMIT_AGE 30 #define JOURNAL_MAX_TRANS_AGE 30 /* journal max size is a maximum number of blocks pointed by first bitmap - REISERFS_DISK_OFFSET - superblock - first bitmap - journal herader */ #define journal_max_size(block_of_super_block,blocksize) \ blocksize * 8 - (block_of_super_block + 1 + 1 + 1) #define journal_default_size(block_of_super_block,blocksize) \ (unsigned long long)((8192 > journal_max_size (block_of_super_block,blocksize)) ? \ journal_max_size (block_of_super_block,blocksize) : 8192) int reiserfs_replay_journal(reiserfs_filsys_t fs); //#define JOURNAL_DEFAULT_SIZE 8192 number of blocks in the journal //#define JOURNAL_DEFAULT_SIZE_FOR_BS_1024 8125 number of blocks in the journal for block size 1KB #define bh_desc(bh) ((struct reiserfs_journal_desc *)((bh)->b_data)) #define bh_commit(bh) ((struct reiserfs_journal_commit *)((bh)->b_data)) /***************************************************************************/ /* KEY & ITEM HEAD */ /***************************************************************************/ struct offset_v1 { __le32 k_offset; __le32 k_uniqueness; } __attribute__ ((__packed__)); /* * little endian structure: * bits 0-59 [60]: offset * bits 60-63 [4]: type */ struct offset_v2 { __le64 v; } __attribute__ ((__packed__)); /* Key of the object determines object's location in the tree, composed of 4 components */ struct reiserfs_key { __le32 k2_dir_id; /* packing locality: by default parent directory object id */ __le32 k2_objectid; /* object identifier */ union { struct offset_v1 k2_offset_v1; struct offset_v2 k2_offset_v2; } __attribute__ ((__packed__)) u; } __attribute__ ((__packed__)); extern const struct reiserfs_key MIN_KEY, MAX_KEY; /* set/get fields of keys on disk with these defines */ #define get_key_dirid(k) get_le32 (k, k2_dir_id) #define set_key_dirid(k,val) set_le32 (k, k2_dir_id, val) #define get_key_objectid(k) get_le32 (k, k2_objectid) #define set_key_objectid(k,val) set_le32 (k, k2_objectid, val) #define get_key_offset_v1(k) get_le32 (k, u.k2_offset_v1.k_offset) #define set_key_offset_v1(k,val) set_le32 (k, u.k2_offset_v1.k_offset, val) #define get_key_uniqueness(k) get_le32 (k, u.k2_offset_v1.k_uniqueness) #define set_key_uniqueness(k,val) set_le32 (k, u.k2_offset_v1.k_uniqueness, val) /* #define get_key_offset_v2(k) get_le64 (k, u.k2_offset_v2.k_offset) #define set_key_offset_v2(k,val) set_le64 (k, u.k2_offset_v2.k_offset, val) */ /* ??? */ /* #define get_key_type(k) get_le16 (k, u.k2_offset_v2.k_type) #define set_key_type(k,val) set_le16 (k, u.k2_offset_v2.k_type, val) */ /* #define key_dir_id(key) (le32_to_cpu((key)->k_dir_id)) #define set_key_dir_id(key,n) ((key)->k_dir_id = cpu_to_le32((n))) #define key_objectid(key) (le32_to_cpu((key)->k_objectid)) #define set_key_objectid(key,n) ((key)->k_objectid = cpu_to_le32((n))) */ #define KEY_SIZE (sizeof(struct reiserfs_key)) #define SHORT_KEY_SIZE 8 // values for k_uniqueness field of the struct reiserfs_key #define V1_SD_UNIQUENESS 0 #define V1_DIRENTRY_UNIQUENESS 500 #define DIRENTRY_UNIQUENESS 500 #define V1_DIRECT_UNIQUENESS 0xffffffff #define V1_INDIRECT_UNIQUENESS 0xfffffffe #define V1_UNKNOWN_UNIQUENESS 555 // values for k_type field of the struct reiserfs_key #define TYPE_STAT_DATA 0 #define TYPE_INDIRECT 1 #define TYPE_DIRECT 2 #define TYPE_DIRENTRY 3 #define TYPE_MAXTYPE 4 #define TYPE_UNKNOWN 15 /* special type for symlink not conflicting to any of item types. */ #define TYPE_SYMLINK 4 #define KEY_FORMAT_1 0 #define KEY_FORMAT_2 1 #define KEY_FORMAT_UNDEFINED 15 /* Our function for comparing keys can compare keys of different lengths. It takes as a parameter the length of the keys it is to compare. These defines are used in determining what is to be passed to it as that parameter. */ #define REISERFS_FULL_KEY_LEN 4 #define REISERFS_SHORT_KEY_LEN 2 /* Everything in the filesystem is stored as a set of items. The item head contains the key of the item, its free space (for indirect items) and specifies the location of the item itself within the block. */ struct item_head { struct reiserfs_key ih_key; /* Everything in the tree is found by searching for it based on its key. */ union { __le16 ih2_free_space; /* The free space in the last unformatted node of an indirect item if this is an indirect item. This equals 0xFFFF iff this is a direct item or stat data item. Note that the key, not this field, is used to determine the item type, and thus which field this union contains. */ __le16 ih2_entry_count; /* Iff this is a directory item, this field equals the number of directory entries in the directory item. */ } __attribute__ ((__packed__)) u; __le16 ih2_item_len; /* total size of the item body */ __le16 ih2_item_location; /* an offset to the item body within the block */ __le16 ih_format; /* key format is stored in bits 0-11 of this item flags are stored in bits 12-15 */ #if 0 struct { __le16 key_format:12; /* KEY_FORMAT_1 or KEY_FORMAT_2. This is not necessary, but we have space, let use it */ __le16 flags:4; /* fsck set here its flag (reachable/unreachable) */ } __attribute__ ((__packed__)) ih2_format; #endif } __attribute__ ((__packed__)); /* size of item header */ #define IH_SIZE (sizeof(struct item_head)) /* set/get fields of item head on disk with these defines */ #define get_ih_entry_count(ih) get_le16 (ih, u.ih2_entry_count) #define set_ih_entry_count(ih,val) set_le16 (ih, u.ih2_entry_count, val) #define get_ih_free_space(ih) get_le16 (ih, u.ih2_free_space) #define set_ih_free_space(ih,val) set_le16 (ih, u.ih2_free_space, 0) #define get_ih_item_len(ih) get_le16 (ih, ih2_item_len) #define set_ih_item_len(ih,val) set_le16 (ih, ih2_item_len, val) #define get_ih_location(ih) get_le16 (ih, ih2_item_location) #define set_ih_location(ih,val) set_le16 (ih, ih2_item_location, val) __u16 get_ih_flags(const struct item_head *ih); __u16 get_ih_key_format(const struct item_head *ih); void set_ih_flags(struct item_head *ih, __u16 val); void set_ih_key_format(struct item_head *ih, __u16 val); /* #define get_ih_key_format(ih) get_le16 (ih, ih2_format.key_format) #define set_ih_key_format(ih,val) set_le16 (ih, ih2_format.key_format, val) #define get_ih_flags(ih) get_le16 (ih, ih2_format.flags) #define set_ih_flags(ih,val) set_le16 (ih, ih2_format.flags, val) */ #define I_K_KEY_IN_ITEM(p_s_ih, p_s_key, n_blocksize) \ ( ! not_of_one_file(p_s_ih, p_s_key) && \ I_OFF_BYTE_IN_ITEM(p_s_ih, get_offset (p_s_key), n_blocksize) ) #define IH_Unreachable 0 #define IH_Was_Tail 1 #define IH_Checked 2 #define IH_Writable 3 /* Unreachable bit is set on tree rebuilding and is cleared in semantic pass */ #define clean_ih_flags(ih) set_ih_flags (ih, 0) #define ih_reachable(ih) (!(get_ih_flags (ih) & (1 << IH_Unreachable))) #define mark_ih_reachable(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Unreachable)) #define mark_ih_unreachable(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Unreachable)) #define ih_was_tail(ih) (get_ih_flags (ih) & (1 << IH_Was_Tail)) #define mark_ih_was_tail(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Was_Tail)) #define mark_ih_become_tail(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Was_Tail)) #define ih_checked(ih) (get_ih_flags (ih) & (1 << IH_Checked)) #define mark_ih_checked(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Checked)) #define clear_ih_checked(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Checked)) #define ih_writable(ih) (get_ih_flags (ih) & (1 << IH_Writable)) #define mark_ih_writable(ih) set_ih_flags (ih, get_ih_flags (ih) | (1 << IH_Writable)) #define clear_ih_writable(ih) set_ih_flags (ih, get_ih_flags (ih) & ~(1 << IH_Writable)) /* maximal length of item */ #define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE) #define MIN_ITEM_LEN 1 /* object identifier for root dir */ #define REISERFS_ROOT_OBJECTID 2 #define REISERFS_ROOT_PARENT_OBJECTID 1 /* * Picture represents a leaf of internal tree * ______________________________________________________ * | | Array of | | | * |Block | Object-Item | F r e e | Objects- | * | head | Headers | S p a c e | Items | * |______|_______________|___________________|___________| */ /* Header of a disk block. More precisely, header of a formatted leaf or internal node, and not the header of an unformatted node. */ struct block_head { __le16 blk2_level; /* Level of a block in the tree. */ __le16 blk2_nr_item; /* Number of keys/items in a block. */ __le16 blk2_free_space; /* Block free space in bytes. */ __le16 blk_reserved; __le32 reserved[4]; }; #define BLKH_SIZE (sizeof(struct block_head)) /* set/get fields of block head on disk with these defines */ #define get_blkh_level(blkh) get_le16 (blkh, blk2_level) #define set_blkh_level(blkh,val) set_le16 (blkh, blk2_level, val) #define get_blkh_nr_items(blkh) get_le16 (blkh, blk2_nr_item) #define set_blkh_nr_items(blkh,val) set_le16 (blkh, blk2_nr_item, val) #define get_blkh_free_space(blkh) get_le16 (blkh, blk2_free_space) #define set_blkh_free_space(blkh,val) set_le16 (blkh, blk2_free_space, val) /* * values for blk_type field */ #define FREE_LEVEL 0 /* Node of this level is out of the tree. */ #define DISK_LEAF_NODE_LEVEL 1 /* Leaf node level. */ #define is_leaf_block_head(buf) (get_blkh_level ((struct block_head *)(buf)) == DISK_LEAF_NODE_LEVEL) #define is_internal_block_head(buf) \ ((get_blkh_level (((struct block_head *)(buf))) > DISK_LEAF_NODE_LEVEL) &&\ (get_blkh_level (((struct block_head *)(buf))) <= MAX_HEIGHT)) /* Given the buffer head of a formatted node, resolve to the block head of that node. */ #define B_BLK_HEAD(p_s_bh) ((struct block_head *)((p_s_bh)->b_data)) #define B_NR_ITEMS(bh) get_blkh_nr_items (B_BLK_HEAD(bh)) #define B_LEVEL(bh) get_blkh_level (B_BLK_HEAD(bh)) #define B_FREE_SPACE(bh) get_blkh_free_space (B_BLK_HEAD(bh)) #define is_leaf_node(bh) is_leaf_block_head ((bh)->b_data) #define is_internal_node(bh) is_internal_block_head ((bh)->b_data) /***************************************************************************/ /* STAT DATA */ /***************************************************************************/ /* Stat Data on disk (reiserfs version of UFS disk inode minus the address blocks) */ /* The sense of adding union to stat data is to keep a value of real number of blocks used by file. The necessity of adding such information is caused by existing of files with holes. Reiserfs should keep number of used blocks for file, but not calculate it from file size (that is not correct for holed files). Thus we have to add additional information to stat data. When we have a device special file, there is no need to get number of used blocks for them, and, accordingly, we doesn't need to keep major and minor numbers for regular files, which might have holes. So this field is being overloaded. */ struct stat_data_v1 { __le16 sd_mode; /* file type, permissions */ __le16 sd_nlink; /* number of hard links */ __le16 sd_uid; /* owner */ __le16 sd_gid; /* group */ __le32 sd_size; /* file size */ __le32 sd_atime; /* time of last access */ __le32 sd_mtime; /* time file was last modified */ __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ union { __le32 sd_rdev; __le32 sd_blocks; /* number of blocks file uses */ } __attribute__ ((__packed__)) u; __le32 sd_first_direct_byte; /* first byte of file which is stored in a direct item: except that if it equals 1 it is a symlink and if it equals MAX_KEY_OFFSET there is no direct item. The existence of this field really grates on me. Let's replace it with a macro based on sd_size and our tail suppression policy. Someday. -Hans */ } __attribute__ ((__packed__)); #define SD_V1_SIZE (sizeof(struct stat_data_v1)) /* this is used to check sd_size of stat data v1 */ #define MAX_FILE_SIZE_V1 0x7fffffff // sd_first_direct_byte is set to this when there are no direct items in a // file #define NO_BYTES_IN_DIRECT_ITEM 0xffffffff /* Stat Data on disk (reiserfs version of UFS disk inode minus the address blocks) */ struct stat_data { __le16 sd_mode; /* file type, permissions */ __le16 sd_attrs; __le32 sd_nlink; /* 32 bit nlink! */ __le64 sd_size; /* 64 bit size! */ __le32 sd_uid; /* 32 bit uid! */ __le32 sd_gid; /* 32 bit gid! */ __le32 sd_atime; /* time of last access */ __le32 sd_mtime; /* time file was last modified */ __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ __le32 sd_blocks; union { __le32 sd_rdev; __le32 sd_generation; //__le32 sd_first_direct_byte; /* first byte of file which is stored in a direct item: except that if it equals 1 it is a symlink and if it equals ~(__le32)0 there is no direct item. The existence of this field really grates on me. Let's replace it with a macro based on sd_size and our tail suppression policy? */ } __attribute__ ((__packed__)) u; } __attribute__ ((__packed__)); // // this is 44 bytes long // #define SD_SIZE (sizeof(struct stat_data)) // there are two ways: to check length of item or ih_format field // (for old stat data it is set to 0 (KEY_FORMAT_1)) #define stat_data_v1(ih) (get_ih_key_format (ih) == KEY_FORMAT_1) /* this is used to check sd_size of stat data v2: max offset which can be reached with a key of format 2 is 60 bits */ #define MAX_FILE_SIZE_V2 0xfffffffffffffffLL /***************************************************************************/ /* DIRECTORY STRUCTURE */ /***************************************************************************/ /* Picture represents the structure of directory items ________________________________________________ | Array of | | | | | | | directory |N-1| N-2 | .... | 1st |0th| | entry headers | | | | | | |_______________|___|_____|________|_______|___| <---- directory entries ------> First directory item has k_offset component 1. We store "." and ".." in one item, always, we never split "." and ".." into differing items. This makes, among other things, the code for removing directories simpler. */ #define SD_OFFSET 0 #define DOT_OFFSET 1 #define DOT_DOT_OFFSET 2 /* Each directory entry has its header. This header has deh_dir_id and deh_objectid fields, those are key of object, entry points to */ /* NOT IMPLEMENTED: Directory will someday contain stat data of object */ struct reiserfs_de_head { __le32 deh2_offset; /* third component of the directory entry key */ __le32 deh2_dir_id; /* objectid of the parent directory of the object, that is referenced by directory entry */ __le32 deh2_objectid; /* objectid of the object, that is referenced by directory entry */ __le16 deh2_location; /* offset of name in the whole item */ __le16 deh2_state; /* whether 1) entry contains stat data (for future), and 2) whether entry is hidden (unlinked) */ } __attribute__ ((__packed__)); #define DEH_SIZE sizeof(struct reiserfs_de_head) /* set/get fields of dir entry head these defines */ #define get_deh_offset(deh) get_le32 (deh, deh2_offset) #define set_deh_offset(deh,val) set_le32 (deh, deh2_offset, val) #define get_deh_dirid(deh) get_le32 (deh, deh2_dir_id) #define set_deh_dirid(deh,val) set_le32 (deh, deh2_dir_id, val) #define get_deh_objectid(deh) get_le32 (deh, deh2_objectid) #define set_deh_objectid(deh,val) set_le32 (deh, deh2_objectid, val) #define get_deh_location(deh) get_le16 (deh, deh2_location) #define set_deh_location(deh,val) set_le16 (deh, deh2_location, val) #define get_deh_state(deh) get_le16 (deh, deh2_state) #define set_deh_state(deh,val) set_le16 (deh, deh2_state, val) #define deh_offset(deh) (le32_to_cpu ((deh)->deh_offset)) #define deh_dir_id(deh) (le32_to_cpu ((deh)->deh_dir_id)) #define deh_objectid(deh) (le32_to_cpu ((deh)->deh_objectid)) #define deh_location(deh) (le16_to_cpu ((deh)->deh_location)) #define deh_state(deh) (le16_to_cpu ((deh)->deh_state)) /* empty directory contains two entries "." and ".." and their headers */ #define EMPTY_DIR_SIZE \ (DEH_SIZE * 2 + ROUND_UP (strlen (".")) + ROUND_UP (strlen (".."))) /* old format directories have this size when empty */ #define EMPTY_DIR_SIZE_V1 (DEH_SIZE * 2 + 3) #define DEH_Statdata 0 /* not used now */ #define DEH_Visible2 2 #define DEH_Bad_offset 4 /* fsck marks entries to be deleted with this flag */ #define DEH_Bad_location 5 #define test_deh_state_le_bit(deh,bit) (get_deh_state (deh) & (1 << bit)) #define set_deh_state_le_bit(deh,bit) \ {\ __u16 state;\ state = get_deh_state (deh);\ state |= (1 << bit);\ set_deh_state(deh, state);\ } #define clear_deh_state_le_bit(deh,bit) \ {\ __u16 state;\ state = get_deh_state (deh);\ state &= ~(1 << bit);\ set_deh_state(deh, state);\ } #define mark_de_without_sd(deh) clear_deh_state_le_bit (deh, DEH_Statdata) #define mark_de_visible(deh) set_deh_state_le_bit (deh, DEH_Visible2) #define mark_de_hidden(deh) clear_deh_state_le_bit (deh, DEH_Visible) #define de_with_sd(deh) test_deh_state_le_bit (deh, DEH_Statdata) #define de_visible(deh) test_deh_state_le_bit (deh, DEH_Visible2) #define de_hidden(deh) !test_deh_state_le_bit (deh, DEH_Visible2) /* Bad means "hashed unproperly or/and invalid location" */ #define de_bad_location(deh) test_deh_state_le_bit (deh, DEH_Bad_location) #define mark_de_bad_location(deh) set_deh_state_le_bit (deh, DEH_Bad_location) #define mark_de_good_location(deh) clear_deh_state_le_bit (deh, DEH_Bad_location) #define de_bad_offset(deh) test_deh_state_le_bit (deh, DEH_Bad_offset) #define mark_de_bad_offset(deh) set_deh_state_le_bit (deh, DEH_Bad_offset) #define de_bad(deh) (de_bad_location(deh) || de_bad_offset(deh)) /* for directories st_blocks is number of 512 byte units which fit into dir size round up to blocksize */ #define dir_size2st_blocks(size) ((size + 511) / 512) /* array of the entry headers */ #define B_I_DEH(bh,ih) ((struct reiserfs_de_head *)(ih_item_body(bh,ih))) #define REISERFS_MAX_NAME_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE - DEH_SIZE) /* -SD_SIZE when entry will contain stat data */ /* hash value occupies 24 bits starting from 7 up to 30 */ #define GET_HASH_VALUE(offset) ((offset) & 0x7fffff80) /* generation number occupies 7 bits starting from 0 up to 6 */ #define GET_GENERATION_NUMBER(offset) ((offset) & 0x0000007f) /* * Picture represents an internal node of the reiserfs tree * ______________________________________________________ * | | Array of | Array of | Free | * |block | keys | pointers | space | * | head | N | N+1 | | * |______|_______________|___________________|___________| */ /***************************************************************************/ /* DISK CHILD */ /***************************************************************************/ /* Disk child pointer: The pointer from an internal node of the tree to a node that is on disk. */ struct disk_child { __le32 dc2_block_number; /* Disk child's block number. */ __le16 dc2_size; /* Disk child's used space. */ __le16 dc2_reserved; } __attribute__ ((__packed__)); #define DC_SIZE (sizeof(struct disk_child)) /* set/get fields of disk_child with these defines */ #define get_dc_child_blocknr(dc) get_le32 (dc, dc2_block_number) #define set_dc_child_blocknr(dc,val) set_le32 (dc, dc2_block_number, val) #define get_dc_child_size(dc) get_le16 (dc, dc2_size) #define set_dc_child_size(dc,val) set_le16 (dc, dc2_size, val) #define set_dc(dc, size, blocknr) \ ({ \ set_dc_child_blocknr(dc, blocknr); \ set_dc_child_size(dc, size); \ set_le16(dc, dc2_reserved, 0); \ }) /* Get disk child by buffer header and position in the tree node. */ #define B_N_CHILD(p_s_bh,n_pos) ((struct disk_child *)\ ((p_s_bh)->b_data + BLKH_SIZE + B_NR_ITEMS(p_s_bh) \ * KEY_SIZE + DC_SIZE * (n_pos))) /* maximal value of field child_size in structure disk_child */ /* child size is the combined size of all items and their headers */ #define MAX_CHILD_SIZE(blocksize) ((blocksize) - BLKH_SIZE) #define MAX_FREE_SPACE(blocksize) MAX_CHILD_SIZE(blocksize) /* amount of used space in buffer (not including block head) */ #define B_CHILD_SIZE(cur) (MAX_CHILD_SIZE(cur->b_size)-(B_FREE_SPACE(cur))) /* max and min number of keys in internal node */ #define MAX_NR_KEY(bh) ( (MAX_CHILD_SIZE(bh->b_size)-DC_SIZE)/(KEY_SIZE+DC_SIZE) ) #define MIN_NR_KEY(bh) (MAX_NR_KEY(bh)/2) /***************************************************************************/ /* PATH STRUCTURES AND DEFINES */ /***************************************************************************/ /* Search_by_key fills up the path from the root to the leaf as it descends the tree looking for the key. It uses reiserfs_bread to try to find buffers in the cache given their block number. If it does not find them in the cache it reads them from disk. For each node search_by_key finds using reiserfs_bread it then uses bin_search to look through that node. bin_search will find the position of the block_number of the next node if it is looking through an internal node. If it is looking through a leaf node bin_search will find the position of the item which has key either equal to given key, or which is the maximal key less than the given key. */ struct reiserfs_path_element { struct buffer_head *pe_buffer; /* Pointer to the buffer at the path in the tree. */ unsigned int pe_position; /* Position in the tree node which is placed in the buffer above. */ }; #define MAX_HEIGHT 6 #define FIRST_PATH_ELEMENT_OFFSET 2 #define EXTENDED_MAX_HEIGHT (MAX_HEIGHT + FIRST_PATH_ELEMENT_OFFSET) #define ILLEGAL_PATH_ELEMENT_OFFSET 1 #define MAX_FEB_SIZE (MAX_HEIGHT + 1) /* We need to keep track of who the ancestors of nodes are. When we perform a search we record which nodes were visited while descending the tree looking for the node we searched for. This list of nodes is called the path. This information is used while performing balancing. Note that this path information may become invalid, and this means we must check it when using it to see if it is still valid. You'll need to read search_by_key and the comments in it, especially about decrement_counters_in_path(), to understand this structure. */ struct reiserfs_path { unsigned int path_length; /* Length of the array above. */ struct reiserfs_path_element path_elements[EXTENDED_MAX_HEIGHT]; /* Array of the path elements. */ unsigned int pos_in_item; }; #define INITIALIZE_REISERFS_PATH(var) \ struct reiserfs_path var = {ILLEGAL_PATH_ELEMENT_OFFSET, } /* Get path element by path and path position. */ #define PATH_OFFSET_PELEMENT(p_s_path,n_offset) ((p_s_path)->path_elements +(n_offset)) /* Get buffer header at the path by path and path position. */ #define PATH_OFFSET_PBUFFER(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_buffer) /* Get position in the element at the path by path and path position. */ #define PATH_OFFSET_POSITION(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_position) #define PATH_PLAST_BUFFER(p_s_path) (PATH_OFFSET_PBUFFER((p_s_path), (p_s_path)->path_length)) #define PATH_LAST_POSITION(p_s_path) (PATH_OFFSET_POSITION((p_s_path), (p_s_path)->path_length)) #define tp_item_head(p_s_path) item_head(PATH_PLAST_BUFFER(p_s_path),PATH_LAST_POSITION(p_s_path)) /* in do_balance leaf has h == 0 in contrast with path structure, where root has level == 0. That is why we need these defines */ #define PATH_H_PBUFFER(p_s_path, h) PATH_OFFSET_PBUFFER (p_s_path, p_s_path->path_length - (h)) /* tb->S[h] */ #define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */ #define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h)) #define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */ #define PATH_H_PATH_OFFSET(p_s_path, n_h) ((p_s_path)->path_length - (n_h)) #define get_bh(path) PATH_PLAST_BUFFER(path) #define get_item_pos(path) PATH_LAST_POSITION(path) #define tp_item_body(path) ((void *)item_body(PATH_PLAST_BUFFER(path), PATH_LAST_POSITION (path))) #define item_moved(ih,path) comp_items(ih, path) #define path_changed(ih,path) comp_items (ih, path) /***************************************************************************/ /* MISC */ /***************************************************************************/ /* n must be power of 2 */ #define _ROUND_UP(x,n) (((x)+(n)-1u) & ~((n)-1u)) // to be ok for alpha and others we have to align structures to 8 byte // boundary. // FIXME: do not change 4 by anything else: there is code which relies on that #define ROUND_UP(x) _ROUND_UP(x,8LL) // search_by_key (and clones) and fix_nodes error code #define CARRY_ON 0 #define NO_DISK_SPACE 3 /* #define IO_ERROR 0x4 - defined above as 0x4 */ #define NO_BALANCING_NEEDED 5 #define ITEM_FOUND 6 #define ITEM_NOT_FOUND 7 #define GOTO_PREVIOUS_ITEM 10 #define POSITION_FOUND_INVISIBLE 11 #define FILE_NOT_FOUND 12 // used by fsck #define DIRECTORY_NOT_FOUND 13 #define REGULAR_FILE_FOUND 14 #define DIRECTORY_FOUND 15 /* Size of pointer to the unformatted node. */ #define UNFM_P_SIZE (sizeof(__le32)) #define MAX_KEY1_OFFSET 0xffffffff #define MAX_KEY2_OFFSET 0xfffffffffffffffLL /* this is aggressive tail suppression policy taken from the kernel */ /* It should be MAX_DIRECT_ITEM_LEN used here, but sometimes it is not enough, * and items got deleted. */ #define STORE_TAIL_IN_UNFM(n_file_size,n_tail_size,n_block_size) \ (\ (!(n_tail_size)) || \ (((n_tail_size) > MAX_ITEM_LEN(n_block_size)) || \ ( (n_file_size) >= (n_block_size) * 4 ) || \ ( ( (n_file_size) >= (n_block_size) * 3 ) && \ ( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size))/4) ) || \ ( ( (n_file_size) >= (n_block_size) * 2 ) && \ ( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size))/2) ) || \ ( ( (n_file_size) >= (n_block_size) ) && \ ( (n_tail_size) >= (MAX_ITEM_LEN(n_block_size) * 3)/4) ) ) \ ) /***************************************************************************/ /* FIXATE NODES */ /***************************************************************************/ #define VI_TYPE_STAT_DATA 1 #define VI_TYPE_DIRECT 2 #define VI_TYPE_INDIRECT 4 #define VI_TYPE_DIRECTORY 8 #define VI_TYPE_FIRST_DIRECTORY_ITEM 16 #define VI_TYPE_INSERTED_DIRECTORY_ITEM 32 #define VI_TYPE_LEFT_MERGEABLE 64 #define VI_TYPE_RIGHT_MERGEABLE 128 /* To make any changes in the tree we always first find node, that contains item to be changed/deleted or place to insert a new item. We call this node S. To do balancing we need to decide what we will shift to left/right neighbor, or to a new node, where new item will be etc. To make this analysis simpler we build virtual node. Virtual node is an array of items, that will replace items of node S. (For instance if we are going to delete an item, virtual node does not contain it). Virtual node keeps information about item sizes and types, mergeability of first and last items, sizes of all entries in directory item. We use this array of items when calculating what we can shift to neighbors and how many nodes we have to have if we do not any shiftings, if we shift to left/right neighbor or to both. */ struct virtual_item { unsigned short vi_type; /* item type, mergeability */ unsigned short vi_item_len; /* length of item that it will have after balancing */ __u64 vi_item_offset; /* offset of item that it have before balancing */ short vi_entry_count; /* number of entries in directory item (including the new one if any, or excluding entry if it must be cut) */ unsigned short *vi_entry_sizes; /* array of entry lengths for directory item */ }; struct virtual_node { char *vn_free_ptr; /* this is a pointer to the free space in the buffer */ unsigned short vn_nr_item; /* number of items in virtual node */ short vn_size; /* size of node , that node would have if it has unlimited size and no balancing is performed */ short vn_mode; /* mode of balancing (paste, insert, delete, cut) */ short vn_affected_item_num; short vn_pos_in_item; struct item_head *vn_ins_ih; /* item header of inserted item, 0 for other modes */ struct virtual_item *vn_vi; /* array of items (including a new one, excluding item to be deleted) */ }; /***************************************************************************/ /* TREE BALANCE */ /***************************************************************************/ /* This temporary structure is used in tree balance algorithms, and constructed as we go to the extent that its various parts are needed. It contains arrays of nodes that can potentially be involved in the balancing of node S, and parameters that define how each of the nodes must be balanced. Note that in these algorithms for balancing the worst case is to need to balance the current node S and the left and right neighbors and all of their parents plus create a new node. We implement S1 balancing for the leaf nodes and S0 balancing for the internal nodes (S1 and S0 are defined in our papers.)*/ #define MAX_FREE_BLOCK 7 /* size of the array of buffers to free at end of do_balance */ /* maximum number of FEB blocknrs on a single level */ #define MAX_AMOUNT_NEEDED 2 /* someday somebody will prefix every field in this struct with tb_ */ struct tree_balance { struct reiserfs_transaction_handle *transaction_handle; reiserfs_filsys_t tb_fs; struct reiserfs_path *tb_path; struct buffer_head *L[MAX_HEIGHT]; /* array of left neighbors of nodes in the path */ struct buffer_head *R[MAX_HEIGHT]; /* array of right neighbors of nodes in the path */ struct buffer_head *FL[MAX_HEIGHT]; /* array of fathers of the left neighbors */ struct buffer_head *FR[MAX_HEIGHT]; /* array of fathers of the right neighbors */ struct buffer_head *CFL[MAX_HEIGHT]; /* array of common parents of center node and its left neighbor */ struct buffer_head *CFR[MAX_HEIGHT]; /* array of common parents of center node and its right neighbor */ /* array of blocknr's that are free and are the nearest to the left node that are usable for writing dirty formatted leaves, using the write_next_to algorithm. */ /*unsigned long free_and_near[MAX_DIRTIABLE]; */ struct buffer_head *FEB[MAX_FEB_SIZE]; /* array of empty buffers. Number of buffers in array equals cur_blknum. */ struct buffer_head *used[MAX_FEB_SIZE]; short int lnum[MAX_HEIGHT]; /* array of number of items which must be shifted to the left in order to balance the current node; for leaves includes item that will be partially shifted; for internal nodes, it is the number of child pointers rather than items. It includes the new item being created. For preserve_shifted() purposes the code sometimes subtracts one from this number to get the number of currently existing items being shifted, and even more often for leaves it subtracts one to get the number of wholly shifted items for other purposes. */ short int rnum[MAX_HEIGHT]; /* substitute right for left in comment above */ short int lkey[MAX_HEIGHT]; /* array indexed by height h mapping the key delimiting L[h] and S[h] to its item number within the node CFL[h] */ short int rkey[MAX_HEIGHT]; /* substitute r for l in comment above */ short int insert_size[MAX_HEIGHT]; /* the number of bytes by we are trying to add or remove from S[h]. A negative value means removing. */ short int blknum[MAX_HEIGHT]; /* number of nodes that will replace node S[h] after balancing on the level h of the tree. If 0 then S is being deleted, if 1 then S is remaining and no new nodes are being created, if 2 or 3 then 1 or 2 new nodes is being created */ /* fields that are used only for balancing leaves of the tree */ short int cur_blknum; /* number of empty blocks having been already allocated */ short int s0num; /* number of items that fall into left most node when S[0] splits */ short int s1num; /* number of items that fall into first new node when S[0] splits */ short int s2num; /* number of items that fall into second new node when S[0] splits */ short int lbytes; /* number of bytes which can flow to the left neighbor from the left */ /* most liquid item that cannot be shifted from S[0] entirely */ /* if -1 then nothing will be partially shifted */ short int rbytes; /* number of bytes which will flow to the right neighbor from the right */ /* most liquid item that cannot be shifted from S[0] entirely */ /* if -1 then nothing will be partially shifted */ short int s1bytes; /* number of bytes which flow to the first new node when S[0] splits */ /* note: if S[0] splits into 3 nodes, then items do not need to be cut */ short int s2bytes; struct buffer_head *buf_to_free[MAX_FREE_BLOCK]; /* buffers which are to be freed after do_balance finishes by unfix_nodes */ char *vn_buf; /* kmalloced memory. Used to create virtual node and keep map of dirtied bitmap blocks */ int vn_buf_size; /* size of the vn_buf */ struct virtual_node *tb_vn; /* VN starts after bitmap of bitmap blocks */ }; /* These are modes of balancing */ /* When inserting an item. */ #define M_INSERT 'i' /* When inserting into (directories only) or appending onto an already existant item. */ #define M_PASTE 'p' /* When deleting an item. */ #define M_DELETE 'd' /* When truncating an item or removing an entry from a (directory) item. */ #define M_CUT 'c' /* used when balancing on leaf level skipped (in reiserfsck) */ #define M_INTERNAL 'n' /* When further balancing is not needed, then do_balance does not need to be called. */ #define M_SKIP_BALANCING 's' #define M_CONVERT 'v' /* modes of leaf_move_items */ #define LEAF_FROM_S_TO_L 0 #define LEAF_FROM_S_TO_R 1 #define LEAF_FROM_R_TO_L 2 #define LEAF_FROM_L_TO_R 3 #define LEAF_FROM_S_TO_SNEW 4 #define FIRST_TO_LAST 0 #define LAST_TO_FIRST 1 /* used in do_balance for passing parent of node information that has been gotten from tb struct */ struct buffer_info { reiserfs_filsys_t bi_fs; struct buffer_head * bi_bh; struct buffer_head * bi_parent; int bi_position; }; /* there are 4 types of items: stat data, directory item, indirect, direct. FIXME: This table does not describe new key format +-------------------+------------+--------------+------------+ | | k_offset | k_uniqueness | mergeable? | +-------------------+------------+--------------+------------+ | stat data | 0 | 0 | no | +-------------------+------------+--------------+------------+ | 1st directory item| DOT_OFFSET |DIRENTRY_UNIQUENESS| no | | non 1st directory | hash value | | yes | | item | | | | +-------------------+------------+--------------+------------+ | indirect item | offset + 1 |TYPE_INDIRECT | if this is not the first indirect item of the object +-------------------+------------+--------------+------------+ | direct item | offset + 1 |TYPE_DIRECT | if not this is not the first direct item of the object +-------------------+------------+--------------+------------+ */ #define KEY_IS_STAT_DATA_KEY(p_s_key) ( get_type (p_s_key) == TYPE_STAT_DATA ) #define KEY_IS_DIRECTORY_KEY(p_s_key) ( get_type (p_s_key) == TYPE_DIRENTRY ) #define KEY_IS_DIRECT_KEY(p_s_key) ( get_type (p_s_key) == TYPE_DIRECT ) #define KEY_IS_INDIRECT_KEY(p_s_key) ( get_type (p_s_key) == TYPE_INDIRECT ) #define I_IS_STAT_DATA_ITEM(p_s_ih) KEY_IS_STAT_DATA_KEY(&((p_s_ih)->ih_key)) #define I_IS_DIRECTORY_ITEM(p_s_ih) KEY_IS_DIRECTORY_KEY(&((p_s_ih)->ih_key)) #define I_IS_DIRECT_ITEM(p_s_ih) KEY_IS_DIRECT_KEY(&((p_s_ih)->ih_key)) #define I_IS_INDIRECT_ITEM(p_s_ih) KEY_IS_INDIRECT_KEY(&((p_s_ih)->ih_key)) #define is_indirect_ih(ih) I_IS_INDIRECT_ITEM(ih) #define is_direct_ih(ih) I_IS_DIRECT_ITEM(ih) #define is_direntry_ih(ih) I_IS_DIRECTORY_ITEM(ih) #define is_stat_data_ih(ih) I_IS_STAT_DATA_ITEM(ih) #define is_indirect_key(key) KEY_IS_INDIRECT_KEY(key) #define is_direct_key(key) KEY_IS_DIRECT_KEY(key) #define is_direntry_key(key) KEY_IS_DIRECTORY_KEY(key) #define is_stat_data_key(key) KEY_IS_STAT_DATA_KEY(key) #define COMP_KEYS comp_keys //#define COMP_SHORT_KEYS comp_short_keys #define not_of_one_file comp_short_keys /* number of blocks pointed to by the indirect item */ #define I_UNFM_NUM(p_s_ih) ( get_ih_item_len(p_s_ih) / UNFM_P_SIZE ) /* the used space within the unformatted node corresponding to pos within the item pointed to by ih */ #define I_POS_UNFM_SIZE(ih,pos,size) (((pos) == I_UNFM_NUM(ih) - 1 ) ? (size) - ih_free_space (ih) : (size)) /* check whether byte number 'offset' is in this item */ #define I_OFF_BYTE_IN_ITEM(p_s_ih, n_offset, n_blocksize) \ ( get_offset(&(p_s_ih)->ih_key) <= (n_offset) && \ get_offset(&(p_s_ih)->ih_key) + get_bytes_number(p_s_ih,n_blocksize) > (n_offset) ) /* these operate on indirect items, where you've got an array of ints ** at a possibly unaligned location. These are a noop on ia32 ** ** p is the array of __u32, i is the index into the array, v is the value ** to store there. */ #define d32_get(p, i) le32_to_cpu(get_unaligned((p) + (i))) #define d32_put(p, i, v) put_unaligned(cpu_to_le32(v), (p) + (i)) /* get the item header */ #define item_head(bh,item_num) ( (struct item_head * )((bh)->b_data + BLKH_SIZE) + (item_num) ) /* get key */ #define internal_key(bh,item_num) ( (struct reiserfs_key *)((bh)->b_data + BLKH_SIZE) + (item_num) ) /* get the key */ #define leaf_key(bh,item_num) ( &(item_head(bh,item_num)->ih_key) ) /* get item body */ #define item_body(bh,item_num) ( (bh)->b_data + get_ih_location (item_head((bh),(item_num)))) /* get the stat data by the buffer header and the item order */ #define B_N_STAT_DATA(bh,nr) \ ( (struct stat_data *)((bh)->b_data+get_ih_location(item_head((bh),(nr))) ) ) /* following defines use reiserfs buffer header and item header */ /* get item body */ #define ih_item_body(bh,ih) ( (bh)->b_data + get_ih_location(ih)) /* get stat-data */ #define B_I_STAT_DATA(bh, ih) ( (struct stat_data * )ih_item_body(bh,ih) ) #define MAX_DIRECT_ITEM_LEN(size) ((size) - BLKH_SIZE - 2*IH_SIZE - SD_SIZE - UNFM_P_SIZE) #define MAX_INDIRECT_ITEM_LEN(size) MAX_ITEM_LEN(size) /* Extended attributes */ /* Magic value in header */ #define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */ struct reiserfs_xattr_header { __le32 h_magic; __le32 h_hash; }; /* ACLs */ #define REISERFS_ACL_VERSION 0x0001 struct reiserfs_acl_entry { __le16 e_tag; __le16 e_perm; __le32 e_id; }; struct reiserfs_acl_entry_short { __le16 e_tag; __le16 e_perm; }; struct reiserfs_acl_header { __le32 a_version; }; /***************************************************************************/ /* FUNCTION DECLARATIONS */ /***************************************************************************/ /* stree.c */ void padd_item (char * item, int total_length, int length); int B_IS_IN_TREE(const struct buffer_head *); const struct reiserfs_key *get_rkey(const struct reiserfs_path *p_s_chk_path, const reiserfs_filsys_t ); int bin_search (const void * p_v_key, const void * p_v_base, int p_n_num, int p_n_width, unsigned int * p_n_pos); int search_by_key (reiserfs_filsys_t , const struct reiserfs_key *, struct reiserfs_path *, int); int search_by_entry_key (reiserfs_filsys_t , struct reiserfs_key *, struct reiserfs_path *); int search_for_position_by_key (reiserfs_filsys_t , struct reiserfs_key *, struct reiserfs_path *); int search_by_objectid (reiserfs_filsys_t , struct reiserfs_key *, struct reiserfs_path *, int *); void decrement_counters_in_path (struct reiserfs_path *p_s_search_path); void pathrelse (struct reiserfs_path *p_s_search_path); int is_left_mergeable (reiserfs_filsys_t s, struct reiserfs_path *path); int is_right_mergeable (reiserfs_filsys_t s, struct reiserfs_path *path); int are_items_mergeable (struct item_head * left, struct item_head * right, int bsize); /* fix_nodes.c */ int fix_nodes (/*struct reiserfs_transaction_handle *th,*/ int n_op_mode, struct tree_balance * p_s_tb, /*int n_pos_in_item,*/ struct item_head * p_s_ins_ih); void unfix_nodes (/*struct reiserfs_transaction_handle *th,*/ struct tree_balance *); void free_buffers_in_tb (struct tree_balance * p_s_tb); void init_path (struct reiserfs_path *); /* prints.c */ /* options */ #define PRINT_TREE_DETAILS 0x1 /* print all items from internal tree */ #define PRINT_DETAILS 0x2 /* print all items from bitmap */ #define PRINT_ITEM_DETAILS 0x4 /* print contents of directory items and stat data items and indirect items */ #define PRINT_DIRECT_ITEMS 0x8 /* print contents of direct items */ void print_tb (int mode, int item_pos, int pos_in_item, struct tree_balance * tb, const char * mes); void print_bmap (FILE * fp, reiserfs_filsys_t fs, int silent); void print_objectid_map (FILE * fp, reiserfs_filsys_t fs); /* lbalance.c */ int leaf_move_items (int shift_mode, struct tree_balance * tb, int mov_num, int mov_bytes, struct buffer_head * Snew); int leaf_shift_left (struct tree_balance * tb, int shift_num, int shift_bytes); int leaf_shift_right (struct tree_balance * tb, int shift_num, int shift_bytes); void leaf_delete_items(struct buffer_info *cur_bi, int last_first, int first, int del_num, int del_bytes); void leaf_insert_into_buf(struct buffer_info *bi, int before, struct item_head * inserted_item_ih, const char * inserted_item_body, int zeros_number); void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num, int pos_in_item, int paste_size, const char * body, int zeros_number); void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num, int pos_in_item, int cut_size); void leaf_paste_entries (struct buffer_head * bh, int item_num, int before, int new_entry_count, struct reiserfs_de_head * new_dehs, const char * records, int paste_size); void delete_item (reiserfs_filsys_t , struct buffer_head * bh, int item_num); void cut_entry (reiserfs_filsys_t , struct buffer_head * bh, int item_num, int entry_num, int del_count); /* ibalance.c */ int balance_internal (struct tree_balance * , int, int, struct item_head * , struct buffer_head **); /* do_balance.c */ void do_balance (struct tree_balance * tb, struct item_head * ih, const char * body, int flag, int zeros_num); void reiserfs_invalidate_buffer (struct tree_balance * tb, struct buffer_head * bh); int get_left_neighbor_position (const struct tree_balance * tb, int h); int get_right_neighbor_position (const struct tree_balance * tb, int h); void replace_key (reiserfs_filsys_t , struct buffer_head *, int, struct buffer_head *, int); void replace_lkey (struct tree_balance *, int, struct item_head *); void replace_rkey (struct tree_balance *, int, struct item_head *); void make_empty_node (struct buffer_info *); void make_empty_leaf (struct buffer_head *); struct buffer_head * get_FEB (struct tree_balance *); __u32 get_bytes_number (struct item_head * ih, int blocksize); /* hashes.c */ __u32 keyed_hash (const char *msg, int len); __u32 yura_hash (const char *msg, int len); __u32 r5_hash (const char *msg, int len); /* node_format.c */ extern unsigned int get_journal_old_start_must (reiserfs_filsys_t fs); extern unsigned int get_journal_new_start_must (reiserfs_filsys_t fs); extern unsigned int get_journal_start_must (reiserfs_filsys_t fs); /*extern hashf_t hashes [];*/ static inline void buffer_info_init_left(const struct tree_balance *tb, struct buffer_info *bi, int h) { bi->bi_fs = tb->tb_fs; bi->bi_bh = tb->L[h]; bi->bi_parent = tb->FL[h]; bi->bi_position = get_left_neighbor_position(tb, h); } static inline void buffer_info_init_right(const struct tree_balance *tb, struct buffer_info *bi, int h) { bi->bi_fs = tb->tb_fs; bi->bi_bh = tb->R[h]; bi->bi_parent = tb->FR[h]; bi->bi_position = get_right_neighbor_position(tb, h); } static inline void buffer_info_init_last(const struct tree_balance *tb, struct buffer_info *bi) { bi->bi_fs = tb->tb_fs; bi->bi_bh = PATH_PLAST_BUFFER(tb->tb_path); bi->bi_parent = PATH_H_PPARENT(tb->tb_path, 0); bi->bi_position = PATH_H_B_ITEM_ORDER(tb->tb_path, 0); } static inline void buffer_info_init_tbSh(const struct tree_balance *tb, struct buffer_info *bi, int h) { bi->bi_fs = tb->tb_fs; bi->bi_bh = PATH_H_PBUFFER(tb->tb_path, h); bi->bi_parent = PATH_H_PPARENT(tb->tb_path, h); bi->bi_position = PATH_H_POSITION(tb->tb_path, h + 1); } static inline void buffer_info_init_tbS0(const struct tree_balance *tb, struct buffer_info *bi) { buffer_info_init_tbSh(tb, bi, 0); } static inline void buffer_info_init_bh(const struct tree_balance *tb, struct buffer_info *bi, struct buffer_head *bh) { bi->bi_fs = tb->tb_fs; bi->bi_bh = bh; bi->bi_parent = NULL; bi->bi_position = 0; } static inline __u64 get_key_offset_v2(const struct reiserfs_key *key) { const struct offset_v2 *v2 = &key->u.k2_offset_v2; return le64_to_cpu(v2->v) & (~0ULL >> 4); } static inline __u32 get_key_type_v2(const struct reiserfs_key *key) { const struct offset_v2 *v2 = &key->u.k2_offset_v2; char type = le64_to_cpu(v2->v) >> 60; return (type <= TYPE_MAXTYPE) ? type : TYPE_UNKNOWN; } static inline void set_key_offset_v2(struct reiserfs_key *key, __u64 offset) { struct offset_v2 *v2 = &key->u.k2_offset_v2; offset &= (~0ULL >> 4); v2->v = (v2->v & cpu_to_le64(15ULL << 60)) | cpu_to_le64(offset); } static inline void set_key_type_v2(struct reiserfs_key *key, __u32 type) { struct offset_v2 *v2 = &key->u.k2_offset_v2; __u64 type64 = type; v2->v = (v2->v & cpu_to_le64(~0ULL >> 4)) | cpu_to_le64(type64 << 60); } #endif /* * Local variables: * c-indentation-style: "bsd" * c-basic-offset: 4 * tab-width: 8 * fill-column: 78 * End: */ reiserfsprogs-3.6.25/include/reiserfs_lib.h0000644000175000001440000004402212725332456015700 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifndef REISERFSPROGS_LIB_H #define REISERFSPROGS_LIB_H #define BADBLOCK_DIRID 1 #define BADBLOCK_OBJID (__u32)-1 typedef struct reiserfs_filsys * reiserfs_filsys_t; #include #include "reiserfs_fs.h" struct _bitmap { unsigned long bm_byte_size; unsigned long bm_bit_size; char *bm_map; unsigned long bm_set_bits; int bm_dirty; /* used for fetched bitmap */ }; typedef struct _bitmap reiserfs_bitmap_t; typedef __u32(*hashf_t) (const char *, int); struct reiserfs_filsys { unsigned int fs_blocksize; int fs_format; /* on-disk format version */ hashf_t fs_hash_function; /* pointer to function which is used to sort names in directory. It is set by reiserfs_open if it is set in the super block, otherwise it is set by first is_properly_hashed */ char *fs_file_name; /* file name of underlying device */ int fs_dev; /* descriptor of opened block device file */ struct buffer_head *fs_super_bh; /* buffer containing super block */ struct reiserfs_super_block *fs_ondisk_sb; /* pointer to its b_data */ reiserfs_bitmap_t *fs_bitmap2; /* ondisk bitmap after reiserfs_open_ondisk_bitmap */ /* opened journal fields */ char *fs_j_file_name; /* file name of relocated journal device */ int fs_journal_dev; /* descriptor of opened journal device */ struct buffer_head *fs_jh_bh; /* buffer containing journal header */ /* badblocks */ reiserfs_bitmap_t *fs_badblocks_bm; int fs_dirt; int fs_flags; void *fs_vp; int (*block_allocator) (reiserfs_filsys_t fs, unsigned long *free_blocknrs, unsigned long start, int amount_needed); int (*block_deallocator) (reiserfs_filsys_t fs, unsigned long block); }; struct _transaction { unsigned long mount_id; unsigned long trans_id; unsigned long desc_blocknr; unsigned long trans_len; unsigned long commit_blocknr; unsigned long next_trans_offset; }; typedef struct _transaction reiserfs_trans_t; /* reiserfslib.c */ void init_tb_struct(struct tree_balance *tb, reiserfs_filsys_t , struct reiserfs_path *path, int size); reiserfs_filsys_t reiserfs_open(const char *filename, int flags, long *error, void *vp, int skip_check); reiserfs_filsys_t reiserfs_create(const char *filename, int version, unsigned long block_count, int block_size, int default_journal, int new_format, long *error); void reiserfs_flush(reiserfs_filsys_t ); void reiserfs_free(reiserfs_filsys_t ); void reiserfs_close(reiserfs_filsys_t ); void reiserfs_reopen(reiserfs_filsys_t , int flags); int is_opened_rw(reiserfs_filsys_t fs); /* void reiserfs_read_bitmap_blocks (reiserfs_filsys_t ); void reiserfs_free_bitmap_blocks (reiserfs_filsys_t ); */ int no_reiserfs_found(reiserfs_filsys_t ); int is_block_count_correct(unsigned long block_of_super_block, unsigned int block_size, unsigned long block_count, unsigned long journal_size); //unsigned long min_block_amount (int block_size, unsigned long journal_size); unsigned long get_size_of_journal_or_reserved_area(struct reiserfs_super_block *sb); int reiserfs_new_blocknrs(reiserfs_filsys_t , unsigned long *free_blocknrs, unsigned long start, int amount_needed); int reiserfs_free_block(reiserfs_filsys_t , unsigned long block); int spread_bitmaps(reiserfs_filsys_t ); int filesystem_dirty(reiserfs_filsys_t ); void mark_filesystem_dirty(reiserfs_filsys_t ); void reiserfs_paste_into_item(reiserfs_filsys_t , struct reiserfs_path *path, const void *body, int size); void reiserfs_insert_item(reiserfs_filsys_t , struct reiserfs_path *path, struct item_head *ih, const void *body); int reiserfs_locate_entry(reiserfs_filsys_t , struct reiserfs_key *dir, const char *name, struct reiserfs_path *path); int reiserfs_find_entry(reiserfs_filsys_t , const struct reiserfs_key *dir, const char *name, unsigned int *min_gen_counter, struct reiserfs_key *key); int reiserfs_add_entry(reiserfs_filsys_t , const struct reiserfs_key *dir, const char *name, int name_len, const struct reiserfs_key *key, __u16 fsck_need); struct reiserfs_key *uget_lkey(const struct reiserfs_path *path); struct reiserfs_key *uget_rkey(const struct reiserfs_path *path); int reiserfs_search_by_key_3(reiserfs_filsys_t , const struct reiserfs_key *key, struct reiserfs_path *path); int reiserfs_search_by_key_4(reiserfs_filsys_t , const struct reiserfs_key *key, struct reiserfs_path *path); int reiserfs_search_by_entry_key(reiserfs_filsys_t, const struct reiserfs_key *key, struct reiserfs_path *path); int reiserfs_search_by_position(reiserfs_filsys_t , struct reiserfs_key *key, int version, struct reiserfs_path *path); struct reiserfs_key *reiserfs_next_key(const struct reiserfs_path *path); void copy_key(void *to, const void *from); void copy_short_key(void *to, const void *from); int comp_keys(const void *k1, const void *k2); int comp_keys_3(const void *k1, const void *k2); int comp_short_keys(const void *p_s_key1, const void *p_s_key2); int comp_items(struct item_head *p_s_ih, struct reiserfs_path *p_s_path); __u32 hash_value(hashf_t func, const char *name, int namelen); int create_dir_sd(reiserfs_filsys_t fs, struct reiserfs_path *path, const struct reiserfs_key *key, void (*modify_item) (struct item_head *, void *)); void make_sure_root_dir_exists(reiserfs_filsys_t fs, void (*modyfy_item) (struct item_head *, void *), int ih_flags); typedef void (*badblock_func_t) (reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data); void mark_badblock(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data); int create_badblock_bitmap(reiserfs_filsys_t fs, const char *badblocks_file); void add_badblock_list(reiserfs_filsys_t fs, int no_badblock_in_tree_yet); void badblock_list(reiserfs_filsys_t fs, badblock_func_t action, void *data); #define reiserfs_fs_bmap_nr(fs) reiserfs_bmap_nr(get_sb_block_count(fs->fs_ondisk_sb), fs->fs_blocksize) #define reiserfs_bmap_nr(count, blk_size) ((count - 1) / (blk_size * 8) + 1) #define reiserfs_bmap_over(nr) (nr > ((1LL << 16) - 1)) typedef int (*reiserfs_file_iterate_indirect_fn)(reiserfs_filsys_t fs, __u64 position, __u64 size, int num_blocks, __u32 *blocks, void *data); typedef int (*reiserfs_file_iterate_direct_fn)(reiserfs_filsys_t fs, __u64 position, __u64 size, const char *body, size_t len, void *data); int reiserfs_iterate_file_data(reiserfs_filsys_t fs, const struct reiserfs_key const *short_key, reiserfs_file_iterate_indirect_fn indirect_fn, reiserfs_file_iterate_direct_fn direct_fn, void *data); typedef int (*reiserfs_iterate_dir_fn)(reiserfs_filsys_t fs, const struct reiserfs_key const *dir_short_key, const char *name, size_t len, __u32 deh_dirid, __u32 deh_objectid, void *data); int reiserfs_iterate_dir(reiserfs_filsys_t fs, const struct reiserfs_key const *dir_short_key, const reiserfs_iterate_dir_fn callback, void *data); extern struct reiserfs_key root_dir_key; extern struct reiserfs_key parent_root_dir_key; extern struct reiserfs_key lost_found_dir_key; extern __u16 root_dir_format; extern __u16 lost_found_dir_format; /* bitmap.c */ int reiserfs_open_ondisk_bitmap(reiserfs_filsys_t ); int reiserfs_create_ondisk_bitmap(reiserfs_filsys_t ); void reiserfs_free_ondisk_bitmap(reiserfs_filsys_t ); void reiserfs_close_ondisk_bitmap(reiserfs_filsys_t ); int reiserfs_flush_to_ondisk_bitmap(reiserfs_bitmap_t *bm, reiserfs_filsys_t fs); unsigned int reiserfs_calc_bmap_nr(reiserfs_filsys_t fs, unsigned int blocks); reiserfs_bitmap_t *reiserfs_create_bitmap(unsigned int bit_count); int reiserfs_expand_bitmap(reiserfs_bitmap_t *bm, unsigned int bit_count); void reiserfs_shrink_bitmap(reiserfs_bitmap_t *bm, unsigned int bit_count); void reiserfs_delete_bitmap(reiserfs_bitmap_t *bm); void reiserfs_bitmap_copy(reiserfs_bitmap_t *to, reiserfs_bitmap_t *from); int reiserfs_bitmap_compare(reiserfs_bitmap_t *bm1, reiserfs_bitmap_t *bm2); void reiserfs_bitmap_disjunction(reiserfs_bitmap_t *disk, reiserfs_bitmap_t *cont); void reiserfs_bitmap_delta(reiserfs_bitmap_t *base, reiserfs_bitmap_t *exclude); void reiserfs_bitmap_set_bit(reiserfs_bitmap_t *bm, unsigned int bit_number); void reiserfs_bitmap_clear_bit(reiserfs_bitmap_t *bm, unsigned int bit_number); int reiserfs_bitmap_test_bit(reiserfs_bitmap_t *bm, unsigned int bit_number); int reiserfs_bitmap_find_zero_bit(reiserfs_bitmap_t *bm, unsigned long *start); /*int reiserfs_fetch_ondisk_bitmap (reiserfs_bitmap_t *bm, reiserfs_filsys_t );*/ /*int reiserfs_flush_bitmap (reiserfs_bitmap_t *bm, reiserfs_filsys_t );*/ void reiserfs_bitmap_zero(reiserfs_bitmap_t *bm); void reiserfs_bitmap_fill(reiserfs_bitmap_t *bm); unsigned int reiserfs_bitmap_ones(reiserfs_bitmap_t *bm); unsigned int reiserfs_bitmap_zeros(reiserfs_bitmap_t *bm); FILE *open_file(const char *filename, char *option); void close_file(FILE * fp); void reiserfs_bitmap_save(FILE * fp, reiserfs_bitmap_t *bm); /* this probably should be in fsck */ void reiserfs_begin_stage_info_save(FILE * file, unsigned long stage); void reiserfs_end_stage_info_save(FILE * file); int is_stage_magic_correct(FILE * fp); //void reiserfs_stage_info_save(struct fsck_data *, FILE * file); reiserfs_bitmap_t *reiserfs_bitmap_load(FILE * fp); void reiserfs_bitmap_invert(reiserfs_bitmap_t *bm); int reiserfs_remove_entry(reiserfs_filsys_t, const struct reiserfs_key *key); /* node_formats.c */ #define THE_LEAF 1 #define THE_INTERNAL 2 #define THE_SUPER 3 #define THE_JDESC 4 #define HAS_IH_ARRAY 5 #define THE_UNKNOWN 6 int is_blocksize_correct(unsigned int blocksize); int is_reiserfs_3_5_magic_string(struct reiserfs_super_block *rs); int is_reiserfs_3_6_magic_string(struct reiserfs_super_block *rs); int is_reiserfs_jr_magic_string(struct reiserfs_super_block *rs); int does_look_like_super_block(struct reiserfs_super_block *rs); int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs); int get_reiserfs_format(struct reiserfs_super_block *sb); int reiserfs_super_block_size(struct reiserfs_super_block *rs); /*int magic_2_version (struct reiserfs_super_block * rs);*/ int is_prejournaled_reiserfs(struct reiserfs_super_block *rs); int who_is_this(const char *buf, int blocksize); int leaf_count_ih(const char *buf, int blocksize); int leaf_free_space_estimate(const char *buf, int blocksize); int is_a_leaf(const char *buf, int blocksize); int leaf_item_number_estimate(const struct buffer_head *bh); char *which_block(int code); int get_journal_size(reiserfs_filsys_t ); int not_data_block(reiserfs_filsys_t , unsigned long block); int not_journalable(reiserfs_filsys_t , unsigned long block); int block_of_bitmap(reiserfs_filsys_t , unsigned long block); int block_of_journal(reiserfs_filsys_t , unsigned long block); int is_tree_node(struct buffer_head *bh, int level); int is_properly_hashed(reiserfs_filsys_t , const char *name, int namelen, __u32 offset); int dir_entry_bad_location(struct reiserfs_de_head *deh, struct item_head *ih, int first); void make_dir_stat_data(int blocksize, int key_format, __u32 dirid, __u32 objectid, struct item_head *ih, void *sd); void make_empty_dir_item_v1(char *body, __u32 dirid, __u32 objid, __u32 par_dirid, __u32 par_objid); void make_empty_dir_item(char *body, __u32 dirid, __u32 objid, __u32 par_dirid, __u32 par_objid); int reiserfs_is_fs_consistent(reiserfs_filsys_t fs); typedef void (*item_action_t) (struct buffer_head * bh, struct item_head * ih); typedef void (*item_head_action_t) (struct item_head * ih); void for_every_item(struct buffer_head *bh, item_head_action_t action, item_action_t *actions); int key_format(const struct reiserfs_key *key); unsigned long long get_offset(const struct reiserfs_key *key); int uniqueness2type(__u32 uniqueness); __u32 type2uniqueness(int type); int get_type(const struct reiserfs_key *key); char *key_of_what(const struct reiserfs_key *key); int type_unknown(const struct reiserfs_key *key); void set_type(int format, struct reiserfs_key *key, int type); void set_offset(int format, struct reiserfs_key *key, loff_t offset); void set_type_and_offset(int format, struct reiserfs_key *key, loff_t offset, int type); typedef int (*check_unfm_func_t) (reiserfs_filsys_t , __u32); int is_it_bad_item(reiserfs_filsys_t , struct item_head *, const char *, check_unfm_func_t, int bad_dir); #define hash_func_is_unknown(fs) ((fs)->fs_hash_function == NULL) #define reiserfs_hash(fs) ((fs)->fs_hash_function) int known_hashes(void); char *code2name(unsigned int code); int func2code(hashf_t func); hashf_t code2func(unsigned int code); hashf_t name2func(const char *hash); int find_hash_in_use(const char *name, int namelen, __u32 deh_offset, unsigned int code_to_try_first); int entry_length(const struct item_head *ih, const struct reiserfs_de_head *deh, int pos_in_item); char *name_in_entry(const struct reiserfs_de_head *deh, int pos_in_item); int name_in_entry_length(const struct item_head *ih, const struct reiserfs_de_head *deh, int pos_in_item); int name_length(const char *name, int key_format); /* access to stat data fields */ void get_set_sd_field(int field, struct item_head *ih, void *sd, void *value, int set); #define GET_SD_MODE 0 #define GET_SD_SIZE 1 #define GET_SD_NLINK 2 #define GET_SD_BLOCKS 3 #define GET_SD_FIRST_DIRECT_BYTE 4 #define get_sd_mode(ih,sd,pmode) get_set_sd_field (GET_SD_MODE, ih, sd, pmode, 0/*get*/) #define set_sd_mode(ih,sd,pmode) get_set_sd_field (GET_SD_MODE, ih, sd, pmode, 1/*set*/) #define get_sd_size(ih,sd,psize) get_set_sd_field (GET_SD_SIZE, ih, sd, psize, 0/*get*/) #define set_sd_size(ih,sd,psize) get_set_sd_field (GET_SD_SIZE, ih, sd, psize, 1/*set*/) #define get_sd_blocks(ih,sd,pblocks) get_set_sd_field (GET_SD_BLOCKS, ih, sd, pblocks, 0/*get*/) #define set_sd_blocks(ih,sd,pblocks) get_set_sd_field (GET_SD_BLOCKS, ih, sd, pblocks, 1/*set*/) //#define get_sd_rdev(ih,sd,pblocks) get_set_sd_field (GET_SD_RDEV, ih, sd, pblocks, 0/*get*/) //#define set_sd_rdev(ih,sd,pblocks) get_set_sd_field (GET_SD_RDEV, ih, sd, pblocks, 1/*set*/) //#define get_sd_generation(ih,sd,pblocks) get_set_sd_field (GET_SD_GENER, ih, sd, pblocks, 0/*get*/) //#define set_sd_generation(ih,sd,pblocks) get_set_sd_field (GET_SD_GENER, ih, sd, pblocks, 1/*set*/) #define get_sd_nlink(ih,sd,pnlink) get_set_sd_field (GET_SD_NLINK, ih, sd, pnlink, 0/*get*/) #define set_sd_nlink(ih,sd,pnlink) get_set_sd_field (GET_SD_NLINK, ih, sd, pnlink, 1/*set*/) #define get_sd_first_direct_byte(ih,sd,pfdb) get_set_sd_field (GET_SD_FIRST_DIRECT_BYTE, ih, sd, pfdb, 0/*get*/) #define set_sd_first_direct_byte(ih,sd,pfdb) get_set_sd_field (GET_SD_FIRST_DIRECT_BYTE, ih, sd, pfdb, 1/*set*/) int is_objectid_used(reiserfs_filsys_t fs, __u32 objectid); void mark_objectid_used(reiserfs_filsys_t fs, __u32 objectid); /* journal.c */ int get_boundary_transactions(reiserfs_filsys_t , reiserfs_trans_t *, reiserfs_trans_t *); int next_transaction(reiserfs_filsys_t , reiserfs_trans_t *, reiserfs_trans_t); int replay_one_transaction(reiserfs_filsys_t , reiserfs_trans_t *); typedef void (*action_on_trans_t) (reiserfs_filsys_t , reiserfs_trans_t *); void for_each_transaction(reiserfs_filsys_t , action_on_trans_t); typedef void (*action_on_block_t) (reiserfs_filsys_t , reiserfs_trans_t *, unsigned int index, unsigned long in_journal, unsigned long in_place); void for_each_block(reiserfs_filsys_t fs, reiserfs_trans_t *trans, action_on_block_t action); int reiserfs_open_journal(reiserfs_filsys_t , const char *, int flags); int reiserfs_journal_params_check(reiserfs_filsys_t fs); int reiserfs_create_journal(reiserfs_filsys_t fs, const char *j_filename, unsigned long offset, unsigned long len, int transaction_max_size, int force); int reiserfs_journal_opened(reiserfs_filsys_t ); void reiserfs_flush_journal(reiserfs_filsys_t fs); void reiserfs_free_journal(reiserfs_filsys_t fs); void reiserfs_close_journal(reiserfs_filsys_t ); void reiserfs_reopen_journal(reiserfs_filsys_t fs, int flag); __u32 advise_journal_max_trans_age(void); __u32 advise_journal_max_commit_age(void); __u32 advise_journal_max_batch(unsigned long journal_trans_max); __u32 advise_journal_max_trans_len(__u32 desired, __u32 journal_size, int blocksize, int verbose); /* prints.c */ void print_indirect_item(FILE * fp, struct buffer_head *bh, int item_num); void print_block(FILE * fp, reiserfs_filsys_t , struct buffer_head *bh, ...); //int print_mode, int first, int last); int print_super_block(FILE * fp, reiserfs_filsys_t , const char *file_name, struct buffer_head *bh, int short_print); void print_journal(reiserfs_filsys_t ); void print_journal_header(reiserfs_filsys_t fs); void reiserfs_warning(FILE * fp, const char *fmt, ...); char ftypelet(mode_t mode); void reiserfs_print_item(FILE * fp, struct buffer_head *bh, struct item_head *ih); void print_filesystem_state(FILE * fp, reiserfs_filsys_t fs); void print_one_transaction(reiserfs_filsys_t fs, reiserfs_trans_t *trans); void print_journal_params(FILE * fp, struct journal_params *jp); char *get_reiserfs_version(__u16 version); int can_we_format_it(const char *device_name, int force); #define reiserfs_panic(fmt, list...) \ {\ fflush (stdout);\ fprintf (stderr, "%s %d %s\n", __FILE__, __LINE__, __FUNCTION__);\ reiserfs_warning (stderr, (const char *)fmt, ## list);\ reiserfs_warning (stderr, "\n" );\ abort ();\ } #define reiserfs_exit(val, fmt, list...) \ {\ fflush (stdout);\ reiserfs_warning (stderr, (const char *)fmt, ## list);\ reiserfs_warning (stderr, "\n" );\ exit (val);\ } #define check_forcing_ask_confirmation(force) \ if (force < 1) {\ /* avoid formatting it without being forced */\ reiserfs_warning (stderr, "Use -f to force over\n");\ return 0;\ }\ if (force < 2) {\ if (!user_confirmed (stderr, "Continue (y/n):", "y\n"))\ return 0;\ }\ /* xattr.c */ __u32 reiserfs_xattr_hash(const char *msg, int len); int reiserfs_check_xattr(const void *body, int len); int reiserfs_acl_count(size_t size); #endif /* REISERFSPROGS_LIB_H */ reiserfsprogs-3.6.25/include/swab.h0000644000175000001440000000606212216110451014146 00000000000000/* * Copyright 2002-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifndef REISERFSPROGS_SWAB_H #define REISERFSPROGS_SWAB_H #include #include #define __constant_swab16(x) ((__u16)( \ (((__u16)(x) & (__u16)0x00ffU) << 8) | \ (((__u16)(x) & (__u16)0xff00U) >> 8) )) #define __swab16(x) \ ({ \ __u16 __x = (x); \ __constant_swab16(__x); \ }) #define __constant_swab32(x) ((__u32)( \ (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ (((__u32)(x) & (__u32)0xff000000UL) >> 24))) #define __swab32(x) \ ({ \ __u32 __x = (x); \ __constant_swab32(__x); \ }) #define __constant_swab64(x) ((__u64)( \ (((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \ (((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \ (((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \ (((__u64)(x) & (__u64)0x00000000ff000000ULL) << 8) | \ (((__u64)(x) & (__u64)0x000000ff00000000ULL) >> 8) | \ (((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \ (((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \ (((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56))) #define __swab64(x) \ ({ \ __u64 __x = (x); \ __constant_swab64(__x); \ }) #ifndef le32_to_cpu #ifdef __CHECKER__ #define __force __attribute__((force)) #else #define __force #endif #if __BYTE_ORDER == __LITTLE_ENDIAN #define cpu_to_le64(x) ((__force __le64)(__u64)(x)) #define le64_to_cpu(x) ((__force __u64)(__le64)(x)) #define cpu_to_le32(x) ((__force __le32)(__u32)(x)) #define le32_to_cpu(x) ((__force __u32)(__le32)(x)) #define cpu_to_le16(x) ((__force __le16)(__u16)(x)) #define le16_to_cpu(x) ((__force __u16)(__le16)(x)) #define constant_cpu_to_le64(x) ((__force __le64)(__u64)(x)) #define constant_le64_to_cpu(x) ((__force __u64)(__le64)(x)) #define constant_cpu_to_le32(x) ((__force __le32)(__u32)(x)) #define constant_le32_to_cpu(x) ((__force __u32)(__le32)(x)) #define constant_cpu_to_le16(x) ((__force __le16)(__u16)(x)) #define constant_le16_to_cpu(x) ((__force __u16)(__le16)(x)) #elif __BYTE_ORDER == __BIG_ENDIAN #define cpu_to_le64(x) ((__force __le64)__swab64((x))) #define le64_to_cpu(x) __swab64((__force __u64)(__le64)(x)) #define cpu_to_le32(x) ((__force __le32)__swab32((x))) #define le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) #define cpu_to_le16(x) ((__force __le16)__swab16((x))) #define le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) #define constant_cpu_to_le64(x) ((__force __le64)__constant_swab64((x))) #define constant_le64_to_cpu(x) __constant_swab64((__force __u64)(__le64)(x)) #define constant_cpu_to_le32(x) ((__force __le32)__constant_swab32((x))) #define constant_le32_to_cpu(x) __constant_swab32((__force __u32)(__le32)(x)) #define constant_cpu_to_le16(x) ((__force __le16)__constant_swab16((x))) #define constant_le16_to_cpu(x) __constant_swab16((__force __u16)(__le16)(x)) #else # error "nuxi/pdp-endian archs are not supported" #endif #endif #endif /* REISERFS_SWAB_H */ reiserfsprogs-3.6.25/include/Makefile.in0000644000175000001440000004105712725336310015122 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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If it cannot remap the block, use badblock\n" "option (-B) with reiserfs utils to handle this block correctly.\n"); } static int is_bad_block(unsigned long block) { #ifdef IO_FAILURE_EMULATION /* this array similates bad blocks on the device */ unsigned long bad_blocks[] = { 8208, 8209, 8210 /*, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19*/ }; int i; for (i = 0; i < sizeof(bad_blocks) / sizeof(bad_blocks[0]); i++) if (bad_blocks[i] == block) return 1; #endif return 0; } /* All buffers are in double linked cycled list. If getblk found buffer with wanted block number in hash queue it moves buffer to the end of list. */ static int g_nr_buffers; static unsigned long buffers_memory; /* create buffers until we spend this fraction of system memory, this ** is a hard limit on the amount of buffer ram used */ #define BUFFER_MEMORY_FRACTION 10 /* number of bytes in local buffer cache before we start forcing syncs ** of dirty data and reusing unused buffers instead of allocating new ** ones. If a flush doesn't find reusable buffers, new ones are ** still allocated up to the BUFFER_MEMORY_FRACTION percentage ** */ #define BUFFER_SOFT_LIMIT (500 * 1024) static unsigned long buffer_soft_limit = BUFFER_SOFT_LIMIT; #define NR_HASH_QUEUES 4096 static struct buffer_head *g_a_hash_queues[NR_HASH_QUEUES]; static struct buffer_head *Buffer_list_head; static struct buffer_head *g_free_buffers = NULL; static struct buffer_head *g_buffer_heads; static int buffer_hits = 0; static int buffer_misses = 0; static int buffer_reads = 0; static int buffer_writes = 0; static void _show_buffers(struct buffer_head **list, int dev, unsigned long size) { int all = 0; int dirty = 0; int in_use = 0; /* count != 0 */ int free = 0; struct buffer_head *next; next = *list; if (!next) return; for (;;) { if (next->b_dev == dev && next->b_size == size) { all++; if (next->b_count != 0) { in_use++; } if (buffer_dirty(next)) { dirty++; } if (buffer_clean(next) && next->b_count == 0) { free++; } } next = next->b_next; if (next == *list) break; } printf ("show_buffers (dev %d, size %lu): free %d, count != 0 %d, dirty %d, " "all %d\n", dev, size, free, in_use, dirty, all); } static void show_buffers(int dev, int size) { _show_buffers(&Buffer_list_head, dev, size); _show_buffers(&g_free_buffers, dev, size); } static void insert_into_hash_queue(struct buffer_head *bh) { int index = bh->b_blocknr % NR_HASH_QUEUES; if (bh->b_hash_prev || bh->b_hash_next) die("insert_into_hash_queue: hash queue corrupted"); if (g_a_hash_queues[index]) { g_a_hash_queues[index]->b_hash_prev = bh; bh->b_hash_next = g_a_hash_queues[index]; } g_a_hash_queues[index] = bh; } static void remove_from_hash_queue(struct buffer_head *bh) { if (bh->b_hash_next == NULL && bh->b_hash_prev == NULL && bh != g_a_hash_queues[bh->b_blocknr % NR_HASH_QUEUES]) /* (b_dev == -1) ? */ return; if (bh == g_a_hash_queues[bh->b_blocknr % NR_HASH_QUEUES]) { if (bh->b_hash_prev) die("remove_from_hash_queue: hash queue corrupted"); g_a_hash_queues[bh->b_blocknr % NR_HASH_QUEUES] = bh->b_hash_next; } if (bh->b_hash_next) bh->b_hash_next->b_hash_prev = bh->b_hash_prev; if (bh->b_hash_prev) bh->b_hash_prev->b_hash_next = bh->b_hash_next; bh->b_hash_prev = bh->b_hash_next = NULL; } static void put_buffer_list_end(struct buffer_head **list, struct buffer_head *bh) { struct buffer_head *last = NULL; if (bh->b_prev || bh->b_next) die("put_buffer_list_end: buffer list corrupted"); if (*list == NULL) { bh->b_next = bh; bh->b_prev = bh; *list = bh; } else { last = (*list)->b_prev; bh->b_next = last->b_next; bh->b_prev = last; last->b_next->b_prev = bh; last->b_next = bh; } } static void remove_from_buffer_list(struct buffer_head **list, struct buffer_head *bh) { if (bh == bh->b_next) { *list = NULL; } else { bh->b_prev->b_next = bh->b_next; bh->b_next->b_prev = bh->b_prev; if (bh == *list) *list = bh->b_next; } bh->b_next = bh->b_prev = NULL; } static void put_buffer_list_head(struct buffer_head **list, struct buffer_head *bh) { put_buffer_list_end(list, bh); *list = bh; } /* #include static size_t estimate_memory_amount (void) { size_t len = 1; size_t max = 0; void * addr; while (len > 0) { addr = mmap (0, len, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (addr == MAP_FAILED) { if (errno != ENOMEM) die ("mmap failed: %s\n", strerror(errno)); break; } if (mlock (addr, len) != 0) { if (errno == EPERM) die ("No permission to run mlock"); break; } munlock (addr, len); munmap (addr, len); max = len; len *= 2; } // * If we've looped, we don't want to return 0, we want to return the // * last successful len before we looped. In the event that mmap/mlock // * failed for len = 1, max will still be 0, so we don't get an invalid // * result return max; } */ #define GROW_BUFFERS__NEW_BUFERS_PER_CALL 10 /* creates number of new buffers and insert them into head of buffer list */ static int grow_buffers(int size) { int i; struct buffer_head *bh, *tmp; /* get memory for array of buffer heads */ bh = (struct buffer_head *)getmem(GROW_BUFFERS__NEW_BUFERS_PER_CALL * sizeof(struct buffer_head) + sizeof(struct buffer_head *)); if (!g_buffer_heads) g_buffer_heads = bh; else { /* link new array to the end of array list */ tmp = g_buffer_heads; while (*(struct buffer_head **) (tmp + GROW_BUFFERS__NEW_BUFERS_PER_CALL) != NULL) tmp = *(struct buffer_head **)(tmp + GROW_BUFFERS__NEW_BUFERS_PER_CALL); *(struct buffer_head **)(tmp + GROW_BUFFERS__NEW_BUFERS_PER_CALL) = bh; } for (i = 0; i < GROW_BUFFERS__NEW_BUFERS_PER_CALL; i++) { tmp = bh + i; memset(tmp, 0, sizeof(struct buffer_head)); tmp->b_data = getmem(size); if (!tmp->b_data) die("grow_buffers: no memory for new buffer data"); tmp->b_dev = -1; tmp->b_size = size; put_buffer_list_head(&g_free_buffers, tmp); } buffers_memory += GROW_BUFFERS__NEW_BUFERS_PER_CALL * size; g_nr_buffers += GROW_BUFFERS__NEW_BUFERS_PER_CALL; return GROW_BUFFERS__NEW_BUFERS_PER_CALL; } struct buffer_head *find_buffer(int dev, unsigned long block, unsigned long size) { struct buffer_head *next; next = g_a_hash_queues[block % NR_HASH_QUEUES]; for (;;) { struct buffer_head *tmp = next; if (!next) break; next = tmp->b_hash_next; if (tmp->b_blocknr != block || tmp->b_size != size || tmp->b_dev != dev) continue; next = tmp; break; } return next; } static struct buffer_head *get_free_buffer(struct buffer_head **list, unsigned long size) { struct buffer_head *next; next = *list; if (!next) return NULL; for (;;) { if (!next) die("get_free_buffer: buffer list is corrupted"); if (next->b_count == 0 && buffer_clean(next) && next->b_size == size) { remove_from_hash_queue(next); remove_from_buffer_list(list, next); return next; } next = next->b_next; if (next == *list) break; } return NULL; } /* to_write == 0 when all blocks have to be flushed. Otherwise - write only buffers with b_count == 0 */ static int sync_buffers(struct buffer_head **list, int dev, int to_write) { struct buffer_head *next; int written = 0; restart: next = *list; if (!next) return 0; for (;;) { if (!next) die("sync_buffers: buffer list is corrupted"); if (next->b_dev == dev && buffer_dirty(next) && buffer_uptodate(next)) { if ((to_write == 0 || next->b_count == 0) && !buffer_do_not_flush(next)) { bwrite(next); } } /* if this buffer is reusable, put it onto the end of the free list */ if (next->b_count == 0 && buffer_clean(next)) { remove_from_hash_queue(next); remove_from_buffer_list(list, next); put_buffer_list_end(&g_free_buffers, next); written++; if (written == to_write) return written; goto restart; } if (to_write && written >= to_write) return written; next = next->b_next; if (next == *list) break; } return written; } void flush_buffers(int dev) { if (dev == -1) die("flush_buffers: device is not specified"); sync_buffers(&Buffer_list_head, dev, 0 /*all */ ); buffer_soft_limit = BUFFER_SOFT_LIMIT; } struct buffer_head *getblk(int dev, unsigned long block, int size) { struct buffer_head *bh; bh = find_buffer(dev, block, size); if (bh) { /* move the buffer to the end of list */ /*checkmem (bh->b_data, bh->b_size); */ remove_from_buffer_list(&Buffer_list_head, bh); put_buffer_list_end(&Buffer_list_head, bh); bh->b_count++; buffer_hits++; return bh; } buffer_misses++; bh = get_free_buffer(&g_free_buffers, size); if (bh == NULL) { if (buffers_memory >= buffer_soft_limit) { if (sync_buffers(&Buffer_list_head, dev, 32) == 0) { grow_buffers(size); buffer_soft_limit = buffers_memory + GROW_BUFFERS__NEW_BUFERS_PER_CALL * size; } } else { if (grow_buffers(size) == 0) sync_buffers(&Buffer_list_head, dev, 32); } bh = get_free_buffer(&g_free_buffers, size); if (bh == NULL) { show_buffers(dev, size); die("getblk: no free buffers after grow_buffers " "and refill (%d)", g_nr_buffers); } } bh->b_count = 1; bh->b_dev = dev; bh->b_size = size; bh->b_blocknr = block; bh->b_end_io = NULL; memset(bh->b_data, 0, size); misc_clear_bit(BH_Dirty, &bh->b_state); misc_clear_bit(BH_Uptodate, &bh->b_state); put_buffer_list_end(&Buffer_list_head, bh); insert_into_hash_queue(bh); /*checkmem (bh->b_data, bh->b_size); */ return bh; } void brelse(struct buffer_head *bh) { if (!bh) return; if (bh->b_count == 0) die("brelse: can not free a free buffer %lu", bh->b_blocknr); /*checkmem (bh->b_data, get_mem_size (bh->b_data)); */ bh->b_count--; } void bforget(struct buffer_head *bh) { if (bh) { bh->b_state = 0; brelse(bh); remove_from_hash_queue(bh); remove_from_buffer_list(&Buffer_list_head, bh); put_buffer_list_head(&Buffer_list_head, bh); } } /* Returns 0 on success; 1 - end of file; 0 - OK. */ static int f_read(struct buffer_head *bh) { unsigned long long offset; ssize_t bytes; buffer_reads++; offset = (unsigned long long)bh->b_size * bh->b_blocknr; if (lseek(bh->b_dev, offset, SEEK_SET) < 0) return -1; bytes = read(bh->b_dev, bh->b_data, bh->b_size); return bytes < 0 ? -1 : (bytes != (ssize_t) bh->b_size ? 1 : 0); } struct buffer_head *bread(int dev, unsigned long block, size_t size) { struct buffer_head *bh; int ret; if (is_bad_block(block)) return NULL; bh = getblk(dev, block, size); /*checkmem (bh->b_data, get_mem_size(bh->b_data)); */ if (buffer_uptodate(bh)) return bh; ret = f_read(bh); if (ret > 0) { die("%s: End of file, cannot read the block (%lu).\n", __FUNCTION__, block); } else if (ret < 0) { /* BAD BLOCK LIST SUPPORT * die ("%s: Cannot read a block # %lu. Specify list of badblocks\n",*/ if (errno == EIO) { check_hd_msg(); die("%s: Cannot read the block (%lu): (%s).\n", __FUNCTION__, block, strerror(errno)); } else { fprintf(stderr, "%s: Cannot read the block (%lu): (%s).\n", __FUNCTION__, block, strerror(errno)); return NULL; } } mark_buffer_uptodate(bh, 0); return bh; } #define ROLLBACK_FILE_START_MAGIC "_RollBackFileForReiserfsFSCK" static struct block_handler *rollback_blocks_array; static __u32 rollback_blocks_number = 0; static FILE *s_rollback_file = NULL; static FILE *log_file; static int do_rollback = 0; static char *rollback_data; static int rollback_blocksize; void init_rollback_file(char *rollback_file, unsigned int *blocksize, FILE * log) { char *string; struct stat buf; if (rollback_file == NULL) return; stat(rollback_file, &buf); s_rollback_file = fopen(rollback_file, "w+"); if (s_rollback_file == NULL) { fprintf(stderr, "Cannot create file %s, work without a rollback file\n", rollback_file); return; } rollback_blocksize = *blocksize; string = ROLLBACK_FILE_START_MAGIC; fwrite(string, 28, 1, s_rollback_file); fwrite(&rollback_blocksize, sizeof(rollback_blocksize), 1, s_rollback_file); fwrite(&rollback_blocks_number, sizeof(rollback_blocks_number), 1, s_rollback_file); fflush(s_rollback_file); rollback_data = getmem(rollback_blocksize); // printf("\ncheckmem1"); // fflush (stdout); // checkmem (rollback_data, get_mem_size((char *)rollback_data)); // printf(" OK"); log_file = log; if (log_file) fprintf(log_file, "rollback: file (%s) initialize\n", rollback_file); do_rollback = 0; } #if 0 static void erase_rollback_file(char *rollback_file) { close_rollback_file(); unlink(rollback_file); } #endif int open_rollback_file(char *rollback_file, FILE * log) { char string[28]; struct stat buf; if (rollback_file == NULL) return -1; if (stat(rollback_file, &buf)) { fprintf(stderr, "Cannot stat rollback file (%s)\n", rollback_file); return -1; } s_rollback_file = fopen(rollback_file, "r+"); if (s_rollback_file == NULL) { fprintf(stderr, "Cannot open file (%s)\n", rollback_file); return -1; } fread(string, 28, 1, s_rollback_file); if (!strcmp(string, ROLLBACK_FILE_START_MAGIC)) { fprintf(stderr, "Specified file (%s) does not look like a rollback file\n", rollback_file); fclose(s_rollback_file); s_rollback_file = NULL; return -1; } fread(&rollback_blocksize, sizeof(rollback_blocksize), 1, s_rollback_file); if (rollback_blocksize <= 0) { fprintf(stderr, "rollback: wrong rollback blocksize, exit\n"); return -1; } log_file = log; if (log_file) fprintf(log_file, "rollback: file (%s) opened\n", rollback_file); do_rollback = 1; return 0; } void close_rollback_file(void) { if (!s_rollback_file) return; if (!do_rollback) { if (fseek(s_rollback_file, 28 + sizeof(int), SEEK_SET) == (loff_t) - 1) return; fwrite(&rollback_blocks_number, sizeof(rollback_blocksize), 1, s_rollback_file); if (log_file) fprintf(log_file, "rollback: %u blocks backed up\n", rollback_blocks_number); } fclose(s_rollback_file); freemem(rollback_data); freemem(rollback_blocks_array); // fprintf (stdout, "rollback: (%u) blocks saved, \n", rollback_blocks_number); /* for (i = 0; i < rollback_blocks_number; i++) fprintf(stdout, "device (%Lu), block number (%u)\n", rollback_blocks_array [i].device, rollback_blocks_array [i].blocknr); fprintf(stdout, "\n"); */ } void do_fsck_rollback(int fd_device, int fd_journal_device, FILE * progress) { long long int offset; struct stat buf; int descriptor; ssize_t retval; int count_failed = 0; int count_rollbacked = 0; int b_dev; int n_dev = 0; int n_journal_dev = 0; unsigned long done = 0; if (fd_device == 0) { fprintf(stderr, "rollback: unspecified device, exit\n"); return; } if (fd_journal_device) { if (!fstat(fd_journal_device, &buf)) { n_journal_dev = buf.st_rdev; } else { fprintf(stderr, "rollback: specified journal device cannot be stated\n"); } } if (!fstat(fd_device, &buf)) { n_dev = buf.st_rdev; } else { fprintf(stderr, "rollback: specified device cannot be stated, exit\n"); return; } rollback_data = getmem(rollback_blocksize); // printf("\ncheckmem2"); // fflush (stdout); // checkmem (rollback_data, get_mem_size((char *)rollback_data)); // printf(" OK"); fread(&rollback_blocks_number, sizeof(rollback_blocks_number), 1, s_rollback_file); while (1) { print_how_far(progress, &done, rollback_blocks_number, 1, 0 /*not quiet */ ); descriptor = 0; if ((retval = fread(&b_dev, sizeof(b_dev), 1, s_rollback_file)) <= 0) { if (retval) fprintf(stderr, "rollback: fread: %s\n", strerror(errno)); break; } if ((retval = fread(&offset, sizeof(offset), 1, s_rollback_file)) <= 0) { if (retval) fprintf(stderr, "rollback: fread: %s\n", strerror(errno)); break; } if ((retval = fread(rollback_data, rollback_blocksize, 1, s_rollback_file)) <= 0) { if (retval) fprintf(stderr, "rollback: fread: %s\n", strerror(errno)); break; } if (n_dev == b_dev) descriptor = fd_device; if ((n_journal_dev) && (n_journal_dev == b_dev)) descriptor = fd_journal_device; if (descriptor == 0) { fprintf(stderr, "rollback: block from unknown device, skip block\n"); count_failed++; continue; } if (lseek(descriptor, offset, SEEK_SET) == (loff_t) - 1) { fprintf(stderr, "device cannot be lseeked, skip block\n"); count_failed++; continue; } if (write(descriptor, rollback_data, rollback_blocksize) == -1) { fprintf(stderr, "rollback: write %d bytes returned error " "(block=%lld, dev=%d): %s\n", rollback_blocksize, offset / rollback_blocksize, b_dev, strerror(errno)); count_failed++; } else { count_rollbacked++; /*if you want to know what gets rollbacked, uncomment it */ /* if (log_file != 0 && log_file != stdout) fprintf (log_file, "rollback: block %Lu of device %Lu was restored\n", (loff_t)offset/rollback_blocksize, b_dev); */ // fprintf (stdout, "rollback: block (%Ld) written\n", (loff_t)offset/rollback_blocksize); } } printf("\n"); if (log_file) fprintf(log_file, "rollback: (%u) blocks restored\n", count_rollbacked); } /* static void rollback__mark_block_saved (struct block_handler * rb_e) { if (rollback_blocks_array == NULL) rollback_blocks_array = getmem (ROLLBACK__INCREASE_BLOCK_NUMBER * sizeof (*rb_e)); if (rollback_blocks_number == get_mem_size ((void *)rollback_blocks_array) / sizeof (*rb_e)) rollback_blocks_array = expandmem (rollback_blocks_array, get_mem_size((void *)rollback_blocks_array), ROLLBACK__INCREASE_BLOCK_NUMBER * sizeof (*rb_e)); // checkmem ((char *)rollback_blocks_array, get_mem_size((char *)rollback_blocks_array)); rollback_blocks_array[rollback_blocks_number] = *rb_e; rollback_blocks_number ++; qsort (rollback_blocks_array, rollback_blocks_number, sizeof (*rb_e), rollback_compare); // printf("\ncheckmem3"); // fflush (stdout); // checkmem ((char *)rollback_blocks_array, get_mem_size((char *)rollback_blocks_array)); // printf(" OK"); } */ /* for now - just make sure that bad blocks did not get here */ int bwrite(struct buffer_head *bh) { unsigned long long offset; long long bytes, size; if (is_bad_block(bh->b_blocknr)) { fprintf(stderr, "bwrite: bad block is going to be written: %lu\n", bh->b_blocknr); exit(8); } if (!buffer_dirty(bh) || !buffer_uptodate(bh)) return 0; buffer_writes++; if (bh->b_start_io) /* this is used by undo feature of reiserfsck */ bh->b_start_io(bh->b_blocknr); size = bh->b_size; offset = (loff_t) size *(loff_t) bh->b_blocknr; if (lseek(bh->b_dev, offset, SEEK_SET) == (loff_t) - 1) { fprintf(stderr, "bwrite: lseek to position %llu (block=%lu, dev=%d): %s\n", offset, bh->b_blocknr, bh->b_dev, strerror(errno)); exit(8); /* File system errors left uncorrected */ } if (s_rollback_file != NULL && bh->b_size == (unsigned long)rollback_blocksize) { struct stat buf; __u32 position; struct block_handler block_h; /*log previous content into the log */ if (!fstat(bh->b_dev, &buf)) { block_h.blocknr = bh->b_blocknr; block_h.device = buf.st_rdev; if (reiserfs_bin_search(&block_h, rollback_blocks_array, rollback_blocks_number, sizeof(block_h), &position, blockdev_list_compare) != POSITION_FOUND) { /*read initial data from the disk */ if (read(bh->b_dev, rollback_data, bh->b_size) == (long long)bh->b_size) { fwrite(&buf.st_rdev, sizeof(buf.st_rdev), 1, s_rollback_file); fwrite(&offset, sizeof(offset), 1, s_rollback_file); fwrite(rollback_data, rollback_blocksize, 1, s_rollback_file); fflush(s_rollback_file); blocklist__insert_in_position(&block_h, (void *) (&rollback_blocks_array), &rollback_blocks_number, sizeof (block_h), &position); /*if you want to know what gets saved, uncomment it */ /* if (log_file != 0 && log_file != stdout) { fprintf (log_file, "rollback: block %lu of device %Lu was " "backed up\n", bh->b_blocknr, buf.st_rdev); } */ } else { fprintf(stderr, "bwrite: read (block=%lu, dev=%d): %s\n", bh->b_blocknr, bh->b_dev, strerror(errno)); exit(8); } if (lseek(bh->b_dev, offset, SEEK_SET) == (loff_t) - 1) { fprintf(stderr, "bwrite: lseek to position %llu (block=%lu, " "dev=%d): %s\n", offset, bh->b_blocknr, bh->b_dev, strerror(errno)); exit(8); } } } else { fprintf(stderr, "bwrite: fstat of (%d) returned -1: %s\n", bh->b_dev, strerror(errno)); } } else if (s_rollback_file != NULL) { fprintf(stderr, "rollback: block (%lu) has the size different from " "the fs uses, block skipped\n", bh->b_blocknr); } bytes = write(bh->b_dev, bh->b_data, size); if (bytes != size) { fprintf(stderr, "bwrite: write %lld bytes returned %lld (block=%ld, " "dev=%d): %s\n", size, bytes, bh->b_blocknr, bh->b_dev, strerror(errno)); exit(8); } mark_buffer_clean(bh); if (bh->b_end_io) { bh->b_end_io(bh, 1); } return 0; } static int _check_and_free_buffer_list(struct buffer_head *list) { struct buffer_head *next = list; int count = 0; if (!list) return 0; for (;;) { if (next->b_count != 0) fprintf(stderr, "check_and_free_buffer_mem: not free buffer " "(%d, %ld, %ld, %d)\n", next->b_dev, next->b_blocknr, next->b_size, next->b_count); if (buffer_dirty(next) && buffer_uptodate(next)) fprintf(stderr, "check_and_free_buffer_mem: dirty buffer " "(%d %lu) found\n", next->b_dev, next->b_blocknr); freemem(next->b_data); count++; next = next->b_next; if (next == list) break; } return count; } static void check_and_free_buffer_mem(void) { int count = 0; struct buffer_head *next; // printf("check and free buffer mem, hits %d misses %d reads %d writes %d\n", // buffer_hits, buffer_misses, buffer_reads, buffer_writes) ; /*sync_buffers (0, 0); */ count = _check_and_free_buffer_list(Buffer_list_head); count += _check_and_free_buffer_list(g_free_buffers); if (count != g_nr_buffers) die("check_and_free_buffer_mem: found %d buffers, must be %d", count, g_nr_buffers); /* free buffer heads */ while ((next = g_buffer_heads)) { g_buffer_heads = *(struct buffer_head **) (next + GROW_BUFFERS__NEW_BUFERS_PER_CALL); freemem(next); } return; } /* */ void free_buffers(void) { check_and_free_buffer_mem(); } static void _invalidate_buffer_list(struct buffer_head *list, int dev) { struct buffer_head *next; if (!list) return; next = list; for (;;) { if (next->b_dev == dev) { if (buffer_dirty(next) || next->b_count) fprintf(stderr, "invalidate_buffers: dirty buffer or used buffer (%d %lu) found\n", next->b_count, next->b_blocknr); next->b_state = 0; remove_from_hash_queue(next); } next = next->b_next; if (next == list) break; } } /* forget all buffers of the given device */ void invalidate_buffers(int dev) { _invalidate_buffer_list(Buffer_list_head, dev); _invalidate_buffer_list(g_free_buffers, dev); } reiserfsprogs-3.6.25/lib/misc.c0000644000175000001440000004122312725331433013273 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #include "misc.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Debian modifications by Ed Boraas */ #include /* End Debian mods */ void die(const char *fmt, ...) { static char buf[1024]; va_list args; va_start(args, fmt); vsprintf(buf, fmt, args); va_end(args); fprintf(stderr, "\n%s\n", buf); abort(); } #define MEM_BEGIN "_mem_begin_" #define MEM_END "mem_end" #define MEM_FREED "__free_" #define CONTROL_SIZE (strlen (MEM_BEGIN) + 1 + sizeof (int) + strlen (MEM_END) + 1) unsigned int get_mem_size(const char *p) { const char *begin; begin = p - strlen(MEM_BEGIN) - 1 - sizeof(int); return *(int *)(begin + strlen(MEM_BEGIN) + 1); } void checkmem(const char *p, int size) { const char *begin; const char *end; begin = p - strlen(MEM_BEGIN) - 1 - sizeof(int); if (strcmp(begin, MEM_BEGIN)) die("checkmem: memory corrupted - invalid head sign"); if (*(int *)(begin + strlen(MEM_BEGIN) + 1) != size) die("checkmem: memory corrupted - invalid size"); end = begin + size + CONTROL_SIZE - strlen(MEM_END) - 1; if (strcmp(end, MEM_END)) die("checkmem: memory corrupted - invalid end sign"); } void *getmem(int size) { char *mem; if ((mem = mem_alloc(size)) == NULL) die("getmem: no more memory (%d)", size); memset(mem, 0, size); // checkmem (mem, size); return mem; } void *mem_alloc(int size) { char *p; char *mem; p = (char *)malloc(CONTROL_SIZE + size); if (!p) die("getmem: no more memory (%d)", size); /* Write the MEM_BEGIN magic in the beginning of allocated memory. */ strcpy(p, MEM_BEGIN); p += strlen(MEM_BEGIN) + 1; /* Write the size after the magic. */ *(int *)p = size; p += sizeof(int); mem = p; p += size; strcpy(p, MEM_END); return mem; } void *expandmem(void *vp, int size, int by) { int allocated; char *mem, *p = vp; int expand_by = by; if (p) { checkmem(p, size); allocated = CONTROL_SIZE + size; p -= (strlen(MEM_BEGIN) + 1 + sizeof(int)); } else { allocated = 0; /* add control bytes to the new allocated area */ expand_by += CONTROL_SIZE; } p = realloc(p, allocated + expand_by); if (!p) die("expandmem: no more memory (%d)", size); if (!vp) { strcpy(p, MEM_BEGIN); } mem = p + strlen(MEM_BEGIN) + 1 + sizeof(int); *(int *)(p + strlen(MEM_BEGIN) + 1) = size + by; /* fill new allocated area by 0s */ if (by > 0) memset(mem + size, 0, by); strcpy(mem + size + by, MEM_END); // checkmem (mem, size + by); return mem; } void freemem(void *vp) { char *p = vp; int size; if (!p) return; size = get_mem_size(vp); checkmem(p, size); p -= (strlen(MEM_BEGIN) + 1 + sizeof(int)); strcpy(p, MEM_FREED); strcpy(p + size + CONTROL_SIZE - strlen(MEM_END) - 1, MEM_FREED); free(p); } typedef int (*func_t) (const char *); /* Lookup the @file in the @mntfile. @file is mntent.mnt_fsname if @fsname is set; mntent.mnt_dir otherwise. Return the mnt entry from the @mntfile. Warning: if the root fs is mounted RO, the content of /etc/mtab may be not correct. */ static struct mntent *misc_mntent_lookup(const char *mntfile, const char *file, int path) { struct mntent *mnt; int name_match = 0; struct stat st; dev_t rdev = 0; dev_t dev = 0; ino_t ino = 0; char *name; FILE *fp; assert(mntfile != NULL); assert(file != NULL); if (stat(file, &st) == 0) { /* Devices is stated. */ if (S_ISBLK(st.st_mode)) { rdev = st.st_rdev; } else { dev = st.st_dev; ino = st.st_ino; } } if ((fp = setmntent(mntfile, "r")) == NULL) return INVAL_PTR; while ((mnt = getmntent(fp)) != NULL) { /* Check if names match. */ name = path ? mnt->mnt_dir : mnt->mnt_fsname; if (strcmp(file, name) == 0) name_match = 1; if (stat(name, &st)) continue; /* If names do not match, check if stats match. */ if (!name_match) { if (rdev && S_ISBLK(st.st_mode)) { if (rdev != st.st_rdev) continue; } else if (dev && !S_ISBLK(st.st_mode)) { if (dev != st.st_dev || ino != st.st_ino) continue; } else { continue; } } /* If not path and not block device do not check anything more. */ if (!path && !rdev) break; if (path) { /* Either names or stats match. Make sure the st_dev of the path is same as @mnt_fsname device rdev. */ if (stat(mnt->mnt_fsname, &st) == 0 && dev == st.st_rdev) break; } else { /* Either names or stats match. Make sure the st_dev of the mount entry is same as the given device rdev. */ if (stat(mnt->mnt_dir, &st) == 0 && rdev == st.st_dev) break; } } endmntent(fp); return mnt; } static int misc_root_mounted(const char *device) { struct stat rootst, devst; assert(device != NULL); if (stat("/", &rootst) != 0) return -1; if (stat(device, &devst) != 0) return -1; if (!S_ISBLK(devst.st_mode) || devst.st_rdev != rootst.st_dev) return 0; return 1; } static int misc_file_ro(const char *file) { if (utime(file, NULL) == -1) { if (errno == EROFS) return 1; } return 0; } struct mntent *misc_mntent(const char *device) { int proc = 0, path = 0, root = 0; struct mntent *mnt; struct statfs stfs; assert(device != NULL); /* Check if the root. */ if (misc_root_mounted(device) == 1) root = 1; #ifdef __linux__ /* Check if /proc is procfs. */ if (statfs("/proc", &stfs) == 0 && stfs.f_type == 0x9fa0) { proc = 1; if (root) { /* Lookup the "/" entry in /proc/mounts. Special case as root entry can present as: rootfs / rootfs rw 0 0 Look up the mount point in this case. */ mnt = misc_mntent_lookup("/proc/mounts", "/", 1); } else { /* Lookup the @device /proc/mounts */ mnt = misc_mntent_lookup("/proc/mounts", device, 0); } if (mnt == INVAL_PTR) proc = 0; else if (mnt) return mnt; } #endif /* __linux__ */ #if defined(MOUNTED) || defined(_PATH_MOUNTED) #ifndef MOUNTED #define MOUNTED _PATH_MOUNTED #endif /* Check in MOUNTED (/etc/mtab) if RW. */ if (!misc_file_ro(MOUNTED)) { path = 1; if (root) { mnt = misc_mntent_lookup(MOUNTED, "/", 1); } else { mnt = misc_mntent_lookup(MOUNTED, device, 0); } if (mnt == INVAL_PTR) path = 0; else if (mnt) return mnt; } #endif /* defined(MOUNTED) || defined(_PATH_MOUNTED) */ /* If has not been checked in neither /proc/mounts nor /etc/mtab (or errors have occured), return INVAL_PTR, NULL otherwise. */ return (!proc && !path) ? INVAL_PTR : NULL; } int misc_device_mounted(const char *device) { struct mntent *mnt; /* Check for the "/" first to avoid any possible problem with reflecting the root fs info in mtab files. */ if (misc_root_mounted(device) == 1) { return misc_file_ro("/") ? MF_RO : MF_RW; } /* Lookup the mount entry. */ if ((mnt = misc_mntent(device)) == NULL) { return MF_NOT_MOUNTED; } else if (mnt == INVAL_PTR) { return 0; } return hasmntopt(mnt, MNTOPT_RO) ? MF_RO : MF_RW; } static char buf1[100]; static char buf2[100]; void print_how_fast(unsigned long passed, unsigned long total, int cursor_pos, int reset_time) { static time_t t0 = 0, t1 = 0, t2 = 0; int speed; int indent; if (reset_time) time(&t0); time(&t1); if (t1 != t0) { speed = passed / (t1 - t0); if (total - passed) { if (t1 - t2 < 1) return; t2 = t1; } } else speed = 0; /* what has to be written */ if (total) sprintf(buf1, "left %lu, %d /sec", total - passed, speed); else { /*(*passed) ++; */ sprintf(buf1, "done %lu, %d /sec", passed, speed); } /* make indent */ indent = 79 - cursor_pos - strlen(buf1); memset(buf2, ' ', indent); buf2[indent] = 0; fprintf(stderr, "%s%s", buf2, buf1); memset(buf2, '\b', indent + strlen(buf1)); buf2[indent + strlen(buf1)] = 0; fprintf(stderr, "%s", buf2); fflush(stderr); } static const char *strs[] = { "0%", ".", ".", ".", ".", "20%", ".", ".", ".", ".", "40%", ".", ".", ".", ".", "60%", ".", ".", ".", ".", "80%", ".", ".", ".", ".", "100%" }; static char progress_to_be[1024]; static char current_progress[1024]; static void str_to_be(char *buf, int prosents) { int i; prosents -= prosents % 4; buf[0] = 0; for (i = 0; i <= prosents / 4; i++) strcat(buf, strs[i]); } void print_how_far(FILE * fp, unsigned long *passed, unsigned long total, unsigned int inc, int quiet) { int percent; if (*passed == 0) current_progress[0] = 0; (*passed) += inc; if (*passed > total) { /* fprintf (fp, "\nprint_how_far: total %lu has been reached already. cur=%lu\n", total, *passed);*/ return; } percent = ((*passed) * 100) / total; str_to_be(progress_to_be, percent); if (strlen(current_progress) != strlen(progress_to_be)) { fprintf(fp, "%s", progress_to_be + strlen(current_progress)); } strcat(current_progress, progress_to_be + strlen(current_progress)); if (!quiet) { print_how_fast(*passed /* - inc */ , total, strlen(progress_to_be), (*passed == inc) ? 1 : 0); } fflush(fp); } #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64) /* Note! Despite this call being called with *64, it must be encoded to * return only sizeof(size_t), since in earlier kernel versions it was * declared _IOR(0x12, 114, sizeof(u64)), making it use sizeof(sizeof(u64)). * * However, the call itself does always return 64bit! */ # define BLKGETSIZE64 _IOR(0x12, 114, size_t) #endif /* To not have problem with last sectors on the block device when switching to smaller one. */ #define MAX_BS (64 * 1024) int valid_offset(int fd, loff_t offset) { char ch; loff_t res; /*res = reiserfs_llseek (fd, offset, 0); */ res = lseek(fd, offset, SEEK_SET); if (res < 0) return 0; /* if (read (fd, &ch, 1) < 0) does not wirk on files */ if (read(fd, &ch, 1) < 1) return 0; return 1; } /* calculates number of blocks in a file. Returns 0 for "sparse" regular files and files other than regular files and block devices */ unsigned long count_blocks(const char *filename, int blocksize) { loff_t high, low; unsigned long sz; __u64 size; int fd; if (!S_ISBLK(misc_device_mode(filename)) && !S_ISREG(misc_device_mode(filename))) return 0; fd = open(filename, O_RDONLY); if (fd == -1) { fprintf(stderr, "Failed to open '%s': %s.\n", filename, strerror(errno)); return 0; } #ifdef BLKGETSIZE64 { if (ioctl(fd, BLKGETSIZE64, &size) >= 0) { size = (size / MAX_BS) * MAX_BS / blocksize; sz = size; if ((__u64) sz != size) die("count_blocks: block device too large"); close(fd); return sz; } } #endif #ifdef BLKGETSIZE { if (ioctl(fd, BLKGETSIZE, &sz) >= 0) { size = sz; close(fd); return (size * 512 / MAX_BS) * MAX_BS / blocksize; } } #endif low = 0; for (high = 1; valid_offset(fd, high); high *= 2) low = high; while (low < high - 1) { const loff_t mid = (low + high) / 2; if (valid_offset(fd, mid)) low = mid; else high = mid; } valid_offset(fd, 0); close(fd); return (low + 1) * MAX_BS / MAX_BS / blocksize; } /* there are masks for certain bits */ __u16 mask16(int from, int count) { __u16 mask; mask = (0xffff >> from); mask <<= from; mask <<= (16 - from - count); mask >>= (16 - from - count); return mask; } __u32 mask32(int from, int count) { __u32 mask; mask = (0xffffffff >> from); mask <<= from; mask <<= (32 - from - count); mask >>= (32 - from - count); return mask; } __u64 mask64(int from, int count) { __u64 mask; mask = (0xffffffffffffffffLL >> from); mask <<= from; mask <<= (64 - from - count); mask >>= (64 - from - count); return mask; } __u32 get_random(void) { srandom(time(NULL)); return random(); } /* this implements binary search in the array 'base' among 'num' elements each of those is 'width' bytes long. 'comp_func' is used to compare keys */ int reiserfs_bin_search(const void *key, void *base, __u32 num, int width, __u32 * ppos, comparison_fn_t comp_func) { __u32 rbound, lbound, j; int ret; if (num == 0 || base == NULL) { /* objectid map may be 0 elements long */ *ppos = 0; return POSITION_NOT_FOUND; } lbound = 0; rbound = num - 1; for (j = (rbound + lbound) / 2; lbound <= rbound; j = (rbound + lbound) / 2) { ret = comp_func((void *)((char *)base + j * width), key); if (ret < 0) { /* second is greater */ lbound = j + 1; continue; } else if (ret > 0) { /* first is greater */ if (j == 0) break; rbound = j - 1; continue; } else { /* equal */ *ppos = j; return POSITION_FOUND; } } *ppos = lbound; return POSITION_NOT_FOUND; } #define BLOCKLIST__ELEMENT_NUMBER 10 /*element is block number and device*/ /* XXX ENDIAN CHECK */ int blockdev_list_compare(const void *block1, const void *block2) { if (*(__u32 *) block1 < *(__u32 *) block2) return -1; if (*(__u32 *) block1 > *(__u32 *) block2) return 1; if (*((__u32 *) block1 + 1) < *((__u32 *) block2 + 1)) return -1; if (*((__u32 *) block1 + 1) > *((__u32 *) block2 + 1)) return 1; return 0; } void blocklist__insert_in_position(void *elem, void **base, __u32 * count, int elem_size, __u32 * position) { if (elem_size == 0) return; if (*base == NULL) *base = getmem(BLOCKLIST__ELEMENT_NUMBER * elem_size); if (*count == get_mem_size((void *)*base) / elem_size) *base = expandmem(*base, get_mem_size((void *)*base), BLOCKLIST__ELEMENT_NUMBER * elem_size); if (*position < *count) { memmove(*base + (*position + 1), *base + (*position), (*count - *position) * elem_size); } memcpy(*base + (char)*position * elem_size, elem, elem_size); *count += 1; } /* 0 - dma is not supported, scsi or regular file */ /* 1 - xt drive */ /* 2 - ide drive */ static void get_dma_support(dma_info_t *dma_info) { if (S_ISREG(dma_info->st.st_mode)) dma_info->st.st_rdev = dma_info->st.st_dev; if (IDE_DISK_MAJOR(major(dma_info->st.st_rdev))) { dma_info->support_type = 2; return; } #ifdef XT_DISK_MAJOR if (major(dma_info->st.st_rdev) == XT_DISK_MAJOR) { dma_info->support_type = 1; return; } #endif dma_info->support_type = 0; } /* * Return values: * 0 - ok; * 1 - preparation cannot be done * -1 - preparation failed */ int prepare_dma_check(dma_info_t *dma_info) { DIR *dir; struct dirent *dirent; struct stat st; dev_t rdev; int rem; char buf[256]; #ifndef HDIO_GET_DMA return -1; #endif if (fstat(dma_info->fd, &dma_info->st)) die("stat on device failed\n"); get_dma_support(dma_info); /* dma should be supported */ if (dma_info->support_type == 0) return 1; if (dma_info->support_type == 2) { rdev = dma_info->st.st_rdev; if ((rem = (minor(rdev) % 64)) != 0) { rdev -= rem; if (!(dir = opendir("/dev/"))) { dma_info->support_type = 1; return 0; } while ((dirent = readdir(dir)) != NULL) { if (strncmp(dirent->d_name, ".", 1) == 0 || strncmp(dirent->d_name, "..", 2) == 0) continue; memset(buf, 0, 256); strncat(buf, "/dev/", 5); strncat(buf, dirent->d_name, strlen(dirent->d_name)); if (stat(buf, &st)) break; if (S_ISBLK(st.st_mode) && st.st_rdev == rdev) { dma_info->st = st; dma_info->fd = open(buf, O_RDONLY #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); closedir(dir); return 0; } } closedir(dir); dma_info->support_type = 1; return 1; } } return 0; } static int is_dma_on(int fd) { #ifdef HDIO_GET_DMA static long parm; if (ioctl(fd, HDIO_GET_DMA, &parm)) return -1; else return parm; #endif return 0; } static __u64 dma_speed(int fd, int support_type) { static struct hd_driveid id; __u64 speed = 0; if (support_type != 2) return 0; #ifdef HDIO_OBSOLETE_IDENTITY if (!ioctl(fd, HDIO_GET_IDENTITY, &id) || !ioctl(fd, HDIO_OBSOLETE_IDENTITY)) { #else if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) { #endif speed |= (__u64) id.dma_1word & ~(__u64) 0xff; speed |= ((__u64) id.dma_mword & ~(__u64) 0xff) << 16; speed |= ((__u64) id.dma_ultra & ~(__u64) 0xff) << 32; } else if (errno == -ENOMSG) return -1; else return -1; return speed; } int get_dma_info(dma_info_t *dma_info) { if ((dma_info->dma = is_dma_on(dma_info->fd)) == -1) return -1; if ((dma_info->speed = dma_speed(dma_info->fd, dma_info->support_type)) == (__u64) - 1) return -1; return 0; } void clean_after_dma_check(int fd, dma_info_t *dma_info) { signal(SIGALRM, SIG_IGN); if (dma_info->fd && fd != dma_info->fd) close(dma_info->fd); } int user_confirmed(FILE * fp, const char *q, const char *yes) { char *answer = NULL; size_t n = 0; fprintf(fp, "%s", q); if (getline(&answer, &n, stdin) != (ssize_t) strlen(yes) || strcmp(yes, answer)) return 0; return 1; } reiserfsprogs-3.6.25/lib/parse_time.c0000644000175000001440000000154212215632405014465 00000000000000#define _XOPEN_SOURCE #ifdef HAVE_CONFIG_H #include #endif #include "parse_time.h" #include "misc.h" #include "reiserfs_lib.h" #include #include #include time_t parse_time(char *str) { struct tm ts; if (strcmp(str, "now") == 0) { return (time(NULL)); } memset(&ts, 0, sizeof(ts)); #ifdef HAVE_STRPTIME strptime(str, "%Y%m%d%H%M%S", &ts); #else sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon, &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec); ts.tm_year -= 1900; ts.tm_mon -= 1; if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 || ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 || ts.tm_min > 59 || ts.tm_sec > 61) ts.tm_mday = 0; #endif if (ts.tm_mday == 0) reiserfs_warning(stderr, "Couldn't parse date/time " "specifier: %s", str); return (mktime(&ts)); } reiserfsprogs-3.6.25/lib/progbar.c0000644000175000001440000000514612206770175014004 00000000000000#include #include #include #include #include "progbar.h" static char bar[128], spaces[128]; static const char spinner[] = "\\|/-"; void progbar_init(struct progbar *ctx, const char *units, FILE * fp) { memset(ctx, 0, sizeof(*ctx)); if (!bar[0]) memset(bar, '=', sizeof(bar) - 1); if (!spaces[0]) memset(spaces, ' ', sizeof(spaces) - 1); strncpy(ctx->units, units, sizeof(ctx->units)); ctx->file = fp; } void progbar_clear(struct progbar *ctx) { if (!(ctx->flags & E2F_FLAG_PROG_BAR)) return; fprintf(ctx->file, "\r%*s\r", 80, " "); fflush(ctx->file); ctx->flags &= ~E2F_FLAG_PROG_BAR; } int progbar_update(struct progbar *ctx, const char *label, int curr, int max, unsigned int dpynum) { int i; unsigned int tick; struct timeval tv; int dpywidth; int fixed_percent; assert (curr >= 0); assert (max > 0); float percent = ((float)curr) / ((float)max) * 100; if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) return 0; /* * Calculate the new progress position. If the * percentage hasn't changed, then we skip out right * away. */ fixed_percent = (int)((10 * percent) + 0.5); if (ctx->progress_last_percent == fixed_percent) return 0; ctx->progress_last_percent = fixed_percent; /* * If we've already updated the spinner once within * the last 1/8th of a second, no point doing it * again. */ gettimeofday(&tv, NULL); tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); if ((tick == ctx->progress_last_time) && (fixed_percent != 0) && (fixed_percent != 1000)) return 0; ctx->progress_last_time = tick; /* * Advance the spinner, and note that the progress bar * will be on the screen */ ctx->progress_pos = (ctx->progress_pos + 1) & 3; ctx->flags |= E2F_FLAG_PROG_BAR; dpywidth = 66 - strlen(label); dpywidth = 8 * (dpywidth / 8); if (dpynum) dpywidth -= 8; i = ((percent * dpywidth) + 50) / 100; fprintf(ctx->file, "\r%s: |%s%s", label, bar + (sizeof(bar) - (i + 1)), spaces + (sizeof(spaces) - (dpywidth - i + 1))); if (fixed_percent == 1000) fputc('|', ctx->file); else fputc(spinner[ctx->progress_pos & 3], ctx->file); fprintf(ctx->file, " %4.1f%% ", percent); if (dpynum) fprintf(ctx->file, "%u%s\r", dpynum, ctx->units); else fputs(" \r", ctx->file); if (fixed_percent == 1000) progbar_clear(ctx); fflush(ctx->file); return 0; } void spinner_init(struct spinner *ctx, FILE * fp) { memset(ctx, 0, sizeof(*ctx)); ctx->file = fp; } void spinner_touch(struct spinner *ctx) { fprintf(ctx->file, "%c", spinner[ctx->count++ % 4]); } void spinner_clear(struct spinner *ctx) { fputs("", ctx->file); } reiserfsprogs-3.6.25/depcomp0000755000175000001440000005601612725336310013010 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2013-05-30.07; # UTC # Copyright (C) 1999-2014 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. 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We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. 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We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. 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"$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: reiserfsprogs-3.6.25/reiserfscore/0000755000175000001440000000000012725336325014204 500000000000000reiserfsprogs-3.6.25/reiserfscore/Makefile.am0000644000175000001440000000130712725336265016164 00000000000000lib_LTLIBRARIES = libreiserfscore.la reiserfsdir = $(includedir)/reiserfs reiserfs_HEADERS = reiserfs_err.h reiserfs_err.c reiserfs_err.h: reiserfs_err.et $(RM) -f reisefs_err.c reiserfs_err.h compile_et reiserfs_err.et reiserfs_err.h: reiserfs_err.c BUILT_SOURCES = reiserfs_err.h reiserfs_err.c CLEANFILES = reiserfs_err.h reiserfs_err.c EXTRA_DIST = reiserfs_err.et libreiserfscore_la_SOURCES = do_balan.c fix_node.c hashes.c ibalance.c \ lbalance.c prints.c stree.c node_formats.c \ reiserfslib.c bitmap.c journal.c xattr.c \ includes.h reiserfs_err.c libreiserfscore_la_LIBADD = ../lib/libmisc.la -lcom_err pkgconfigdir = $(libdir)/pkgconfig pkgconfig_DATA = reiserfscore.pc reiserfsprogs-3.6.25/reiserfscore/reiserfs_err.h0000644000175000001440000000202012725335666016770 00000000000000/* * reiserfs_err.h: * This file is automatically generated; please do not edit it. */ #include #define REISERFS_ET_BREAD_FAILED (50094765501195648L) #define REISERFS_ET_BAD_MAGIC (50094765501195647L) #define REISERFS_ET_BAD_SUPER (50094765501195646L) #define REISERFS_ET_SMALL_PARTITION (50094765501195645L) #define REISERFS_ET_NOT_ENOUGH_BLOCKS (50094765501195644L) #define REISERFS_ET_TOO_SMALL (50094765501195643L) #define REISERFS_ET_GETBLK_FAILED (50094765501195642L) extern const struct error_table et_reiserfs_error_table; extern void initialize_reiserfs_error_table(void); /* For compatibility with Heimdal */ extern void initialize_reiserfs_error_table_r(struct et_list **list); #define ERROR_TABLE_BASE_reiserfs (50094765501195648L) /* for compatibility with older versions... */ #define init_reiserfs_err_tbl initialize_reiserfs_error_table #define reiserfs_err_base ERROR_TABLE_BASE_reiserfs reiserfsprogs-3.6.25/reiserfscore/Makefile.in0000644000175000001440000005676312725336310016204 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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(flag d handled here) else if lnum is larger than 0 we put items into the left node if rnum is larger than 0 we put items into the right node if snum1 is larger than 0 we put items into the new node s1 if snum2 is larger than 0 we put items into the new node s2 Note that all *num* count new items being created. It would be easier to read balance_leaf() if each of these summary lines was a separate procedure rather than being inlined. I think that there are many passages here and in balance_leaf_when_delete() in which two calls to one procedure can replace two passages, and it might save cache space and improve software maintenance costs to do so. Vladimir made the perceptive comment that we should offload most of the decision making in this function into fix_nodes/check_balance, and then create some sort of structure in tb that says what actions should be performed by do_balance. -Hans */ /* Balance leaf node in case of delete or cut: insert_size[0] < 0 * * lnum, rnum can have values >= -1 * -1 means that the neighbor must be joined with S * 0 means that nothing should be done with the neighbor * >0 means to shift entirely or partly the specified number of items to the neighbor */ static int balance_leaf_when_delete( /*struct reiserfs_transaction_handle *th, */ struct tree_balance *tb, int flag) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int item_pos = PATH_LAST_POSITION(tb->tb_path); int pos_in_item = tb->tb_path->pos_in_item; struct buffer_info bi; int n; struct item_head *ih; ih = item_head(tbS0, item_pos); buffer_info_init_tbS0(tb, &bi); /* Delete or truncate the item */ switch (flag) { case M_DELETE: /* delete item in S[0] */ leaf_delete_items(&bi, 0, item_pos, 1, -1); if (!item_pos) { // we have removed first item in the node - update left delimiting key if (B_NR_ITEMS(tbS0)) { replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], tbS0, 0); } else { if (!PATH_H_POSITION(tb->tb_path, 1)) replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], PATH_H_PPARENT(tb->tb_path, 0), 0); } } break; case M_CUT:{ /* cut item in S[0] */ if (I_IS_DIRECTORY_ITEM(ih)) { /* UFS unlink semantics are such that you can only delete one directory entry at a time. */ /* when we cut a directory tb->insert_size[0] means number of entries to be cut (always 1) */ tb->insert_size[0] = -1; leaf_cut_from_buffer(&bi, item_pos, pos_in_item, -tb->insert_size[0]); if (!item_pos && !pos_in_item) { replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], tbS0, 0); } } else { leaf_cut_from_buffer(&bi, item_pos, pos_in_item, -tb->insert_size[0]); } break; } default: print_tb(flag, item_pos, pos_in_item, tb, "when_del"); reiserfs_panic ("PAP-12040: balance_leaf_when_delete: unexpectable mode: %s(%d)", (flag == M_PASTE) ? "PASTE" : ((flag == M_INSERT) ? "INSERT" : "UNKNOWN"), flag); } /* the rule is that no shifting occurs unless by shifting a node can be freed */ n = B_NR_ITEMS(tbS0); if (tb->lnum[0]) { /* L[0] takes part in balancing */ if (tb->lnum[0] == -1) { /* L[0] must be joined with S[0] */ if (tb->rnum[0] == -1) { /* R[0] must be also joined with S[0] */ if (tb->FR[0] == PATH_H_PPARENT(tb->tb_path, 0)) { /* all contents of all the 3 buffers will be in L[0] */ if (PATH_H_POSITION(tb->tb_path, 1) == 0 && 1 < B_NR_ITEMS(tb->FR[0])) replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], tb->FR[0], 1); leaf_move_items(LEAF_FROM_S_TO_L, tb, n, -1, 0); leaf_move_items(LEAF_FROM_R_TO_L, tb, B_NR_ITEMS(tb->R[0]), -1, 0); reiserfs_invalidate_buffer(tb, tbS0); reiserfs_invalidate_buffer(tb, tb->R[0]); return 0; } /* all contents of all the 3 buffers will be in R[0] */ leaf_move_items(LEAF_FROM_S_TO_R, tb, n, -1, NULL); leaf_move_items(LEAF_FROM_L_TO_R, tb, B_NR_ITEMS(tb->L[0]), -1, NULL); /* right_delimiting_key is correct in R[0] */ replace_key(tb->tb_fs, tb->CFR[0], tb->rkey[0], tb->R[0], 0); reiserfs_invalidate_buffer(tb, tbS0); reiserfs_invalidate_buffer(tb, tb->L[0]); return -1; } /* all contents of L[0] and S[0] will be in L[0] */ leaf_shift_left(tb, n, -1); reiserfs_invalidate_buffer(tb, tbS0); return 0; } /* a part of contents of S[0] will be in L[0] and the rest part of S[0] will be in R[0] */ leaf_shift_left(tb, tb->lnum[0], tb->lbytes); leaf_shift_right(tb, tb->rnum[0], tb->rbytes); reiserfs_invalidate_buffer(tb, tbS0); return 0; } if (tb->rnum[0] == -1) { /* all contents of R[0] and S[0] will be in R[0] */ leaf_shift_right(tb, n, -1); reiserfs_invalidate_buffer(tb, tbS0); return 0; } return 0; } static int balance_leaf( /*struct reiserfs_transaction_handle *th, */ struct tree_balance *tb, /* see reiserfs_fs.h */ struct item_head *ih, /* item header of inserted item */ const char *body, /* body of inserted item or bytes to paste */ int flag, /* i - insert, d - delete, c - cut, p - paste (see comment to do_balance) */ int zeros_number, /* it is always 0 */ struct item_head *insert_key, /* in our processing of one level we sometimes determine what must be inserted into the next higher level. This insertion consists of a key or two keys and their corresponding pointers */ struct buffer_head **insert_ptr /* inserted node-ptrs for the next level */ ) { int pos_in_item = tb->tb_path->pos_in_item; /* position in item, in bytes for direct and indirect items, in entries for directories (for which it is an index into the array of directory entry headers.) */ struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); /* struct buffer_head * tbF0 = PATH_H_PPARENT (tb->tb_path, 0); int S0_b_item_order = PATH_H_B_ITEM_ORDER (tb->tb_path, 0);*/ int item_pos = PATH_LAST_POSITION(tb->tb_path); /* index into the array of item headers in S[0] of the affected item */ struct buffer_info bi; struct buffer_head *S_new[2]; /* new nodes allocated to hold what could not fit into S */ int snum[2]; /* number of items that will be placed into S_new (includes partially shifted items) */ int sbytes[2]; /* if an item is partially shifted into S_new then if it is a directory item it is the number of entries from the item that are shifted into S_new else it is the number of bytes from the item that are shifted into S_new */ int n, i; int ret_val; /* Make balance in case insert_size[0] < 0 */ if (tb->insert_size[0] < 0) return balance_leaf_when_delete( /*th, */ tb, flag); /* for indirect item pos_in_item is measured in unformatted node pointers. Recalculate to bytes */ if (flag != M_INSERT && I_IS_INDIRECT_ITEM(item_head(tbS0, item_pos))) pos_in_item *= UNFM_P_SIZE; if (tb->lnum[0] > 0) { /* Shift lnum[0] items from S[0] to the left neighbor L[0] */ if (item_pos < tb->lnum[0]) { /* new item or it part falls to L[0], shift it too */ n = B_NR_ITEMS(tb->L[0]); switch (flag) { case M_INSERT: /* insert item into L[0] */ if (item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) { /* part of new item falls into L[0] */ int new_item_len; ret_val = leaf_shift_left( /*th, */ tb, tb->lnum[0] - 1, -1); /* Calculate item length to insert to S[0] */ new_item_len = get_ih_item_len(ih) - tb->lbytes; /* Calculate and check item length to insert to L[0] */ set_ih_item_len(ih, get_ih_item_len(ih) - new_item_len); /* Insert new item into L[0] */ buffer_info_init_left(tb, &bi, 0); leaf_insert_into_buf(&bi, n + item_pos - ret_val, ih, body, zeros_number > get_ih_item_len(ih) ? get_ih_item_len(ih) : zeros_number); /* Calculate key component, item length and body to insert into S[0] */ //ih->ih_key.k_offset += tb->lbytes; set_offset(key_format(&ih->ih_key), &ih->ih_key, get_offset(&ih->ih_key) + tb->lbytes * (is_indirect_ih(ih) ? tb-> tb_fs->fs_blocksize / UNFM_P_SIZE : 1)); set_ih_item_len(ih, new_item_len); if (tb->lbytes > zeros_number) { body += (tb->lbytes - zeros_number); zeros_number = 0; } else zeros_number -= tb->lbytes; } else { /* new item in whole falls into L[0] */ /* Shift lnum[0]-1 items to L[0] */ ret_val = leaf_shift_left(tb, tb->lnum[0] - 1, tb->lbytes); /* Insert new item into L[0] */ buffer_info_init_left(tb, &bi, 0); leaf_insert_into_buf(&bi, n + item_pos - ret_val, ih, body, zeros_number); tb->insert_size[0] = 0; zeros_number = 0; } break; case M_PASTE: /* append item in L[0] */ if (item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) { /* we must shift the part of the appended item */ if (I_IS_DIRECTORY_ITEM (item_head(tbS0, item_pos))) { /* directory item */ if (tb->lbytes > pos_in_item) { /* new directory entry falls into L[0] */ struct item_head *pasted; int l_pos_in_item = pos_in_item; /* Shift lnum[0] - 1 items in whole. Shift lbytes - 1 entries from given directory item */ ret_val = leaf_shift_left(tb, tb-> lnum [0], tb-> lbytes - 1); if (ret_val && !item_pos) { pasted = item_head (tb->L[0], B_NR_ITEMS (tb-> L[0]) - 1); l_pos_in_item += get_ih_entry_count (pasted) - (tb-> lbytes - 1); } /* Append given directory entry to directory item */ buffer_info_init_left(tb, &bi, 0); leaf_paste_in_buffer (&bi, n + item_pos - ret_val, l_pos_in_item, tb->insert_size[0], body, zeros_number); /* previous string prepared space for pasting new entry, following string pastes this entry */ /* when we have merge directory item, pos_in_item has been changed too */ /* paste new directory entry. 1 is entry number */ leaf_paste_entries(bi. bi_bh, n + item_pos - ret_val, l_pos_in_item, 1, (struct reiserfs_de_head *) body, body + DEH_SIZE, tb-> insert_size [0] ); tb->insert_size[0] = 0; } else { /* new directory item doesn't fall into L[0] */ /* Shift lnum[0]-1 items in whole. Shift lbytes directory entries from directory item number lnum[0] */ leaf_shift_left(tb, tb-> lnum[0], tb-> lbytes); } /* Calculate new position to append in item body */ pos_in_item -= tb->lbytes; } else { /* regular object */ if (tb->lbytes >= pos_in_item) { /* appended item will be in L[0] in whole */ int l_n, temp_n; struct reiserfs_key *key; /* this bytes number must be appended to the last item of L[h] */ l_n = tb->lbytes - pos_in_item; /* Calculate new insert_size[0] */ tb->insert_size[0] -= l_n; ret_val = leaf_shift_left(tb, tb-> lnum [0], get_ih_item_len (item_head (tbS0, item_pos))); /* Append to body of item in L[0] */ buffer_info_init_left(tb, &bi, 0); leaf_paste_in_buffer (&bi, n + item_pos - ret_val, get_ih_item_len (item_head (tb->L[0], n + item_pos - ret_val)), l_n, body, zeros_number > l_n ? l_n : zeros_number); /* 0-th item in S0 can be only of DIRECT type when l_n != 0 */ //B_N_PKEY (tbS0, 0)->k_offset += l_n;z key = leaf_key(tbS0, 0); temp_n = is_indirect_ih (item_head (tb->L[0], n + item_pos - ret_val)) ? (int)((l_n / UNFM_P_SIZE) * tb->tb_fs-> fs_blocksize) : l_n; set_offset(key_format (key), key, get_offset (key) + temp_n); //internal_key(tb->CFL[0],tb->lkey[0])->k_offset += l_n; key = internal_key(tb-> CFL [0], tb-> lkey [0]); set_offset(key_format (key), key, get_offset (key) + temp_n); /* Calculate new body, position in item and insert_size[0] */ if (l_n > zeros_number) { body += (l_n - zeros_number); zeros_number = 0; } else zeros_number -= l_n; pos_in_item = 0; } else { /* only part of the appended item will be in L[0] */ /* Calculate position in item for append in S[0] */ pos_in_item -= tb->lbytes; /* Shift lnum[0] - 1 items in whole. Shift lbytes - 1 byte from item number lnum[0] */ leaf_shift_left(tb, tb-> lnum[0], tb-> lbytes); } } } else { /* appended item will be in L[0] in whole */ struct item_head *pasted; if (!item_pos && is_left_mergeable(tb->tb_fs, tb->tb_path) == 1) { /* if we paste into first item of S[0] and it is left mergable */ /* then increment pos_in_item by the size of the last item in L[0] */ pasted = item_head(tb->L[0], n - 1); if (I_IS_DIRECTORY_ITEM(pasted)) pos_in_item += get_ih_entry_count (pasted); else pos_in_item += get_ih_item_len (pasted); } /* Shift lnum[0] - 1 items in whole. Shift lbytes - 1 byte from item number lnum[0] */ ret_val = leaf_shift_left(tb, tb->lnum[0], tb->lbytes); /* Append to body of item in L[0] */ buffer_info_init_left(tb, &bi, 0); leaf_paste_in_buffer(&bi, n + item_pos - ret_val, pos_in_item, tb->insert_size[0], body, zeros_number); /* if appended item is directory, paste entry */ pasted = item_head(tb->L[0], n + item_pos - ret_val); if (I_IS_DIRECTORY_ITEM(pasted)) leaf_paste_entries(bi.bi_bh, n + item_pos - ret_val, pos_in_item, 1, (struct reiserfs_de_head *)body, body + DEH_SIZE, tb-> insert_size [0]); /* if appended item is indirect item, put unformatted node into un list */ if (I_IS_INDIRECT_ITEM(pasted)) set_ih_free_space(pasted, 0); tb->insert_size[0] = 0; zeros_number = 0; } break; default: /* cases d and t */ reiserfs_panic ("PAP-12130: balance_leaf: lnum > 0: unexpectable mode: %s(%d)", (flag == M_DELETE) ? "DELETE" : ((flag == M_CUT) ? "CUT" : "UNKNOWN"), flag); } } else { /* new item doesn't fall into L[0] */ leaf_shift_left(tb, tb->lnum[0], tb->lbytes); } } /* tb->lnum[0] > 0 */ /* Calculate new item position */ item_pos -= (tb->lnum[0] - ((tb->lbytes != -1) ? 1 : 0)); if (tb->rnum[0] > 0) { /* shift rnum[0] items from S[0] to the right neighbor R[0] */ n = B_NR_ITEMS(tbS0); switch (flag) { case M_INSERT: /* insert item */ if (n - tb->rnum[0] < item_pos) { /* new item or its part falls to R[0] */ if (item_pos == n - tb->rnum[0] + 1 && tb->rbytes != -1) { /* part of new item falls into R[0] */ loff_t old_key_comp, old_len, r_zeros_number; const char *r_body; loff_t multiplyer; leaf_shift_right(tb, tb->rnum[0] - 1, -1); /* Remember key component and item length */ old_key_comp = get_offset(&ih->ih_key); old_len = get_ih_item_len(ih); multiplyer = is_indirect_ih(ih) ? tb->tb_fs-> fs_blocksize / UNFM_P_SIZE : 1; /* Calculate key component and item length to insert into R[0] */ //ih->ih_key.k_offset += (old_len - tb->rbytes); set_offset(key_format(&ih->ih_key), &ih->ih_key, old_key_comp + (old_len - tb->rbytes) * multiplyer); set_ih_item_len(ih, tb->rbytes); /* Insert part of the item into R[0] */ buffer_info_init_right(tb, &bi, 0); if (old_len - tb->rbytes > zeros_number) { r_zeros_number = 0; r_body = body + old_len - tb->rbytes - zeros_number; } else { /* zeros_number is always 0 */ r_body = body; r_zeros_number = zeros_number - old_len - tb->rbytes; zeros_number -= r_zeros_number; } leaf_insert_into_buf(&bi, 0, ih, r_body, r_zeros_number); /* Replace right delimiting key by first key in R[0] */ replace_key(tb->tb_fs, tb->CFR[0], tb->rkey[0], tb->R[0], 0); /* Calculate key component and item length to insert into S[0] */ //ih->ih_key.k_offset = old_key_comp; set_offset(key_format(&ih->ih_key), &ih->ih_key, old_key_comp); set_ih_item_len(ih, old_len - tb->rbytes); tb->insert_size[0] -= tb->rbytes; } else { /* whole new item falls into R[0] */ /* Shift rnum[0]-1 items to R[0] */ ret_val = leaf_shift_right(tb, tb->rnum[0] - 1, tb->rbytes); /* Insert new item into R[0] */ buffer_info_init_right(tb, &bi, 0); leaf_insert_into_buf(&bi, item_pos - n + tb->rnum[0] - 1, ih, body, zeros_number); /* If we insert new item in the begin of R[0] change the right delimiting key */ if (item_pos - n + tb->rnum[0] - 1 == 0) { replace_key(tb->tb_fs, tb->CFR[0], tb->rkey[0], tb->R[0], 0); } zeros_number = tb->insert_size[0] = 0; } } else { /* new item or part of it doesn't fall into R[0] */ leaf_shift_right(tb, tb->rnum[0], tb->rbytes); } break; case M_PASTE: /* append item */ if (n - tb->rnum[0] <= item_pos) { /* pasted item or part of it falls to R[0] */ if (item_pos == n - tb->rnum[0] && tb->rbytes != -1) { /* we must shift the part of the appended item */ if (I_IS_DIRECTORY_ITEM (item_head(tbS0, item_pos))) { /* we append to directory item */ int entry_count; entry_count = get_ih_entry_count (item_head (tbS0, item_pos)); if (entry_count - tb->rbytes < pos_in_item) { /* new directory entry falls into R[0] */ int paste_entry_position; /* Shift rnum[0]-1 items in whole. Shift rbytes-1 directory entries from directory item number rnum[0] */ leaf_shift_right(tb, tb-> rnum [0], tb-> rbytes - 1); /* Paste given directory entry to directory item */ paste_entry_position = pos_in_item - entry_count + tb->rbytes - 1; buffer_info_init_right(tb, &bi, 0); leaf_paste_in_buffer (&bi, 0, paste_entry_position, tb->insert_size[0], body, zeros_number); /* paste entry */ leaf_paste_entries(bi. bi_bh, 0, paste_entry_position, 1, (struct reiserfs_de_head *) body, body + DEH_SIZE, tb-> insert_size [0] ); if (paste_entry_position == 0) { /* change delimiting keys */ replace_key(tb-> tb_fs, tb-> CFR [0], tb-> rkey [0], tb-> R [0], 0); } tb->insert_size[0] = 0; pos_in_item++; } else { /* new directory entry doesn't fall into R[0] */ leaf_shift_right(tb, tb-> rnum [0], tb-> rbytes); } } else { /* regular object */ int n_shift, n_rem, r_zeros_number; const char *r_body; struct reiserfs_key *key; /* Calculate number of bytes which must be shifted from appended item */ if ((n_shift = tb->rbytes - tb->insert_size[0]) < 0) n_shift = 0; leaf_shift_right(tb, tb->rnum[0], n_shift); /* Calculate number of bytes which must remain in body after appending to R[0] */ if ((n_rem = tb->insert_size[0] - tb->rbytes) < 0) n_rem = 0; { unsigned long temp_rem = n_rem; if (is_indirect_key (leaf_key (tb->R[0], 0))) temp_rem = (n_rem / UNFM_P_SIZE) * tb->tb_fs-> fs_blocksize; //leaf_key(tb->R[0],0)->k_offset += n_rem; key = leaf_key(tb->R[0], 0); set_offset(key_format (key), key, get_offset (key) + temp_rem); //internal_key(tb->CFR[0],tb->rkey[0])->k_offset += n_rem; key = internal_key(tb-> CFR [0], tb-> rkey [0]); set_offset(key_format (key), key, get_offset (key) + temp_rem); } mark_buffer_dirty(tb->CFR[0]); /* Append part of body into R[0] */ buffer_info_init_right(tb, &bi, 0); if (n_rem > zeros_number) { r_zeros_number = 0; r_body = body + n_rem - zeros_number; } else { r_body = body; r_zeros_number = zeros_number - n_rem; zeros_number -= r_zeros_number; } leaf_paste_in_buffer(&bi, 0, n_shift, tb-> insert_size [0] - n_rem, r_body, r_zeros_number); if (I_IS_INDIRECT_ITEM (item_head (tb->R[0], 0))) { set_ih_free_space (item_head (tb->R[0], 0), 0); } tb->insert_size[0] = n_rem; if (!n_rem) pos_in_item++; } } else { /* pasted item falls into R[0] entirely */ struct item_head *pasted; ret_val = leaf_shift_right(tb, tb->rnum[0], tb->rbytes); /* append item in R[0] */ if (pos_in_item >= 0) { buffer_info_init_right(tb, &bi, 0); leaf_paste_in_buffer(&bi, item_pos - n + tb-> rnum[0], pos_in_item, tb-> insert_size [0], body, zeros_number); } /* paste new entry, if item is directory item */ pasted = item_head(tb->R[0], item_pos - n + tb->rnum[0]); if (I_IS_DIRECTORY_ITEM(pasted) && pos_in_item >= 0) { leaf_paste_entries(bi.bi_bh, item_pos - n + tb->rnum[0], pos_in_item, 1, (struct reiserfs_de_head *)body, body + DEH_SIZE, tb-> insert_size [0]); if (!pos_in_item) { /* update delimiting keys */ replace_key(tb->tb_fs, tb->CFR[0], tb->rkey[0], tb->R[0], 0); } } if (I_IS_INDIRECT_ITEM(pasted)) set_ih_free_space(pasted, 0); zeros_number = tb->insert_size[0] = 0; } } else { /* new item doesn't fall into R[0] */ leaf_shift_right(tb, tb->rnum[0], tb->rbytes); } break; default: /* cases d and t */ reiserfs_panic ("PAP-12175: balance_leaf: rnum > 0: unexpectable mode: %s(%d)", (flag == M_DELETE) ? "DELETE" : ((flag == M_CUT) ? "CUT" : "UNKNOWN"), flag); } } /* tb->rnum[0] > 0 */ /* if while adding to a node we discover that it is possible to split it in two, and merge the left part into the left neighbor and the right part into the right neighbor, eliminating the node */ if (tb->blknum[0] == 0) { /* node S[0] is empty now */ /* if insertion was done before 0-th position in R[0], right delimiting key of the tb->L[0]'s and left delimiting key are not set correctly */ if (tb->CFL[0]) { if (!tb->CFR[0]) reiserfs_panic(tb->tb_fs, "vs-12195: balance_leaf: CFR not initialized"); copy_key(internal_key(tb->CFL[0], tb->lkey[0]), internal_key(tb->CFR[0], tb->rkey[0])); mark_buffer_dirty(tb->CFL[0]); } reiserfs_invalidate_buffer(tb, tbS0); return 0; } /* Fill new nodes that appear in place of S[0] */ /* I am told that this copying is because we need an array to enable the looping code. -Hans */ snum[0] = tb->s1num, snum[1] = tb->s2num; sbytes[0] = tb->s1bytes; sbytes[1] = tb->s2bytes; for (i = tb->blknum[0] - 2; i >= 0; i--) { /* here we shift from S to S_new nodes */ S_new[i] = get_FEB(tb); /* set block_head's level to leaf level */ set_blkh_level(B_BLK_HEAD(S_new[i]), DISK_LEAF_NODE_LEVEL); n = B_NR_ITEMS(tbS0); switch (flag) { case M_INSERT: /* insert item */ if (n - snum[i] < item_pos) { /* new item or it's part falls to first new node S_new[i] */ if (item_pos == n - snum[i] + 1 && sbytes[i] != -1) { /* part of new item falls into S_new[i] */ int old_key_comp, old_len, r_zeros_number; const char *r_body; loff_t multiplyer; /* Move snum[i]-1 items from S[0] to S_new[i] */ leaf_move_items(LEAF_FROM_S_TO_SNEW, tb, snum[i] - 1, -1, S_new[i]); /* Remember key component and item length */ old_key_comp = get_offset(&ih->ih_key); old_len = get_ih_item_len(ih); multiplyer = is_indirect_ih(ih) ? tb->tb_fs-> fs_blocksize / UNFM_P_SIZE : 1; /* Calculate key component and item length to insert into S_new[i] */ //ih->ih_key.k_offset += (old_len - sbytes[i]); set_offset(key_format(&ih->ih_key), &ih->ih_key, old_key_comp + (old_len - sbytes[i]) * multiplyer); set_ih_item_len(ih, sbytes[i]); /* Insert part of the item into S_new[i] before 0-th item */ buffer_info_init_bh(tb, &bi, S_new[i]); if (old_len - sbytes[i] > zeros_number) { r_zeros_number = 0; r_body = body + (old_len - sbytes[i]) - zeros_number; } else { r_body = body; r_zeros_number = zeros_number - (old_len - sbytes[i]); zeros_number -= r_zeros_number; } leaf_insert_into_buf(&bi, 0, ih, r_body, r_zeros_number); /* Calculate key component and item length to insert into S[i] */ //ih->ih_key.k_offset = old_key_comp; set_offset(key_format(&ih->ih_key), &ih->ih_key, old_key_comp); set_ih_item_len(ih, old_len - sbytes[i]); tb->insert_size[0] -= sbytes[i]; } else { /* whole new item falls into S_new[i] */ /* Shift snum[0] - 1 items to S_new[i] (sbytes[i] of split item) */ leaf_move_items(LEAF_FROM_S_TO_SNEW, tb, snum[i] - 1, sbytes[i], S_new[i]); /* Insert new item into S_new[i] */ buffer_info_init_bh(tb, &bi, S_new[i]); leaf_insert_into_buf(&bi, item_pos - n + snum[i] - 1, ih, body, zeros_number); zeros_number = tb->insert_size[0] = 0; } } else { /* new item or it part don't falls into S_new[i] */ leaf_move_items(LEAF_FROM_S_TO_SNEW, tb, snum[i], sbytes[i], S_new[i]); } break; case M_PASTE: /* append item */ if (n - snum[i] <= item_pos) { /* pasted item or part if it falls to S_new[i] */ if (item_pos == n - snum[i] && sbytes[i] != -1) { /* we must shift part of the appended item */ struct item_head *aux_ih; if (I_IS_DIRECTORY_ITEM (aux_ih = item_head(tbS0, item_pos))) { /* we append to directory item */ int entry_count; entry_count = get_ih_entry_count(aux_ih); if (entry_count - sbytes[i] < pos_in_item && pos_in_item <= entry_count) { /* new directory entry falls into S_new[i] */ /* Shift snum[i]-1 items in whole. Shift sbytes[i] directory entries from directory item number snum[i] */ leaf_move_items (LEAF_FROM_S_TO_SNEW, tb, snum[i], sbytes[i] - 1, S_new[i]); /* Paste given directory entry to directory item */ buffer_info_init_bh(tb, &bi, S_new[i]); leaf_paste_in_buffer (&bi, 0, pos_in_item - entry_count + sbytes[i] - 1, tb->insert_size[0], body, zeros_number); /* paste new directory entry */ leaf_paste_entries(bi. bi_bh, 0, pos_in_item - entry_count + sbytes [i] - 1, 1, (struct reiserfs_de_head *) body, body + DEH_SIZE, tb-> insert_size [0] ); tb->insert_size[0] = 0; pos_in_item++; } else { /* new directory entry doesn't fall into S_new[i] */ leaf_move_items (LEAF_FROM_S_TO_SNEW, tb, snum[i], sbytes[i], S_new[i]); } } else { /* regular object */ int n_shift, n_rem, r_zeros_number; const char *r_body; struct item_head *tmp; /* Calculate number of bytes which must be shifted from appended item */ n_shift = sbytes[i] - tb->insert_size[0]; if (n_shift < 0) n_shift = 0; leaf_move_items (LEAF_FROM_S_TO_SNEW, tb, snum[i], n_shift, S_new[i]); /* Calculate number of bytes which must remain in body after append to S_new[i] */ n_rem = tb->insert_size[0] - sbytes[i]; if (n_rem < 0) n_rem = 0; /* Append part of body into S_new[0] */ buffer_info_init_bh(tb, &bi, S_new[i]); if (n_rem > zeros_number) { r_zeros_number = 0; r_body = body + n_rem - zeros_number; } else { r_body = body; r_zeros_number = zeros_number - n_rem; zeros_number -= r_zeros_number; } leaf_paste_in_buffer(&bi, 0, n_shift, tb-> insert_size [0] - n_rem, r_body, r_zeros_number); tmp = item_head(S_new[i], 0); if (I_IS_INDIRECT_ITEM(tmp)) { /* if (n_rem) reiserfs_panic ("PAP-12230: balance_leaf: " "invalid action with indirect item"); set_ih_free_space (tmp, 0); */ set_ih_free_space(tmp, 0); set_offset(key_format (&tmp-> ih_key), &tmp->ih_key, get_offset (&tmp-> ih_key) + (n_rem / UNFM_P_SIZE) * tb->tb_fs-> fs_blocksize); } else set_offset(key_format (&tmp-> ih_key), &tmp->ih_key, get_offset (&tmp-> ih_key) + n_rem); //leaf_key(S_new[i],0)->k_offset += n_rem; // tb->insert_size[0] = n_rem; if (!n_rem) pos_in_item++; } } else /* item falls wholly into S_new[i] */ { struct item_head *pasted; leaf_move_items(LEAF_FROM_S_TO_SNEW, tb, snum[i], sbytes[i], S_new[i]); /* paste into item */ buffer_info_init_bh(tb, &bi, S_new[i]); leaf_paste_in_buffer(&bi, item_pos - n + snum[i], pos_in_item, tb->insert_size[0], body, zeros_number); pasted = item_head(S_new[i], item_pos - n + snum[i]); if (I_IS_DIRECTORY_ITEM(pasted)) { leaf_paste_entries(bi.bi_bh, item_pos - n + snum[i], pos_in_item, 1, (struct reiserfs_de_head *)body, body + DEH_SIZE, tb-> insert_size [0]); } /* if we paste to indirect item update ih_free_space */ if (I_IS_INDIRECT_ITEM(pasted)) set_ih_free_space(pasted, 0); zeros_number = tb->insert_size[0] = 0; } } else { /* pasted item doesn't fall into S_new[i] */ leaf_move_items(LEAF_FROM_S_TO_SNEW, tb, snum[i], sbytes[i], S_new[i]); } break; default: /* cases d and t */ reiserfs_panic ("PAP-12245: balance_leaf: blknum > 2: unexpectable mode: %s(%d)", (flag == M_DELETE) ? "DELETE" : ((flag == M_CUT) ? "CUT" : "UNKNOWN"), flag); } memcpy(insert_key + i, leaf_key(S_new[i], 0), KEY_SIZE); insert_ptr[i] = S_new[i]; } /* if the affected item was not wholly shifted then we perform all necessary operations on that part or whole of the affected item which remains in S */ if (0 <= item_pos && item_pos < tb->s0num) { /* if we must insert or append into buffer S[0] */ switch (flag) { case M_INSERT: /* insert item into S[0] */ buffer_info_init_tbS0(tb, &bi); leaf_insert_into_buf(&bi, item_pos, ih, body, zeros_number); /* If we insert the first key change the delimiting key */ if (item_pos == 0) { if (tb->CFL[0]) /* can be 0 in reiserfsck */ replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], tbS0, 0); } break; case M_PASTE:{ /* append item in S[0] */ struct item_head *pasted; pasted = item_head(tbS0, item_pos); /* when directory, may be new entry already pasted */ if (I_IS_DIRECTORY_ITEM(pasted)) { if (pos_in_item >= 0 && pos_in_item <= get_ih_entry_count(pasted)) { /* prepare space */ buffer_info_init_tbS0(tb, &bi); leaf_paste_in_buffer(&bi, item_pos, pos_in_item, tb-> insert_size [0], body, zeros_number); /* paste entry */ leaf_paste_entries(bi.bi_bh, item_pos, pos_in_item, 1, (struct reiserfs_de_head *)body, body + DEH_SIZE, tb-> insert_size [0]); if (!item_pos && !pos_in_item) { if (tb->CFL[0]) // can be 0 in reiserfsck replace_key(tb-> tb_fs, tb-> CFL [0], tb-> lkey [0], tbS0, 0); } tb->insert_size[0] = 0; } } else { /* regular object */ if (pos_in_item == get_ih_item_len(pasted)) { buffer_info_init_tbS0(tb, &bi); leaf_paste_in_buffer(&bi, item_pos, pos_in_item, tb-> insert_size [0], body, zeros_number); if (I_IS_INDIRECT_ITEM(pasted)) { set_ih_free_space (pasted, 0); } tb->insert_size[0] = 0; } } } /* case M_PASTE: */ } } return 0; } /* Leaf level of the tree is balanced (end of balance_leaf) */ void make_empty_leaf(struct buffer_head *bh) { set_blkh_nr_items(B_BLK_HEAD(bh), 0); set_blkh_free_space(B_BLK_HEAD(bh), MAX_FREE_SPACE(bh->b_size)); set_blkh_level(B_BLK_HEAD(bh), DISK_LEAF_NODE_LEVEL); } /* Make empty node */ void make_empty_node(struct buffer_info *bi) { make_empty_leaf(bi->bi_bh); if (bi->bi_parent) set_dc_child_size(B_N_CHILD(bi->bi_parent, bi->bi_position), 0); } /* Get first empty buffer */ struct buffer_head *get_FEB(struct tree_balance *tb) { int i; struct buffer_head *first_b; struct buffer_info bi; for (i = 0; i < MAX_FEB_SIZE; i++) if (tb->FEB[i] != NULL) break; if (i == MAX_FEB_SIZE) reiserfs_panic("vs-12300: get_FEB: FEB list is empty"); first_b = tb->FEB[i]; buffer_info_init_bh(tb, &bi, first_b); make_empty_node(&bi); misc_set_bit(BH_Uptodate, &first_b->b_state); tb->FEB[i] = NULL; tb->used[i] = first_b; return (first_b); } /* Replace n_dest'th key in buffer dest by n_src'th key of buffer src.*/ void replace_key(reiserfs_filsys_t fs, struct buffer_head *dest, int n_dest, struct buffer_head *src, int n_src) { if (dest) { if (is_leaf_node(src)) /* source buffer contains leaf node */ memcpy(internal_key(dest, n_dest), item_head(src, n_src), KEY_SIZE); else memcpy(internal_key(dest, n_dest), internal_key(src, n_src), KEY_SIZE); mark_buffer_dirty(dest); } } void reiserfs_invalidate_buffer(struct tree_balance *tb, struct buffer_head *bh) { struct buffer_head *to_be_forgotten; set_blkh_level(B_BLK_HEAD(bh), FREE_LEVEL); misc_clear_bit(BH_Dirty, &bh->b_state); to_be_forgotten = find_buffer(bh->b_dev, bh->b_blocknr, bh->b_size); if (to_be_forgotten) { to_be_forgotten->b_count++; bforget(to_be_forgotten); } reiserfs_free_block(tb->tb_fs, bh->b_blocknr); } int get_left_neighbor_position(const struct tree_balance *tb, int h) { int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1); if (Sh_position == 0) return B_NR_ITEMS(tb->FL[h]); else return Sh_position - 1; } int get_right_neighbor_position(const struct tree_balance *tb, int h) { int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1); if (Sh_position == B_NR_ITEMS(PATH_H_PPARENT(tb->tb_path, h))) return 0; else return Sh_position + 1; } /* Now we have all of the buffers that must be used in balancing of the tree. We rely on the assumption that schedule() will not occur while do_balance works. ( Only interrupt handlers are acceptable.) We balance the tree according to the analysis made before this, using buffers already obtained. For SMP support it will someday be necessary to add ordered locking of tb. */ /* Some interesting rules of balancing: we delete a maximum of two nodes per level per balancing: we never delete R, when we delete two of three nodes L, S, R then we move them into R. we only delete L if we are deleting two nodes, if we delete only one node we delete S if we shift leaves then we shift as much as we can: this is a deliberate policy of extremism in node packing which results in higher average utilization after repeated random balance operations at the cost of more memory copies and more balancing as a result of small insertions to full nodes. if we shift internal nodes we try to evenly balance the node utilization, with consequent less balancing at the cost of lower utilization. one could argue that the policy for directories in leaves should be that of internal nodes, but we will wait until another day to evaluate this.... It would be nice to someday measure and prove these assumptions as to what is optimal.... */ void do_balance(struct tree_balance *tb, /* tree_balance structure */ struct item_head *ih, /* item header of inserted item */ const char *body, /* body of inserted item or bytes to paste */ int flag, /* i - insert, d - delete c - cut, p - paste Cut means delete part of an item (includes removing an entry from a directory). Delete means delete whole item. Insert means add a new item into the tree. Paste means to append to the end of an existing file or to insert a directory entry. */ int zeros_num) { //int pos_in_item = tb->tb_path->pos_in_item; int child_pos, /* position of a child node in its parent */ h; /* level of the tree being processed */ struct item_head insert_key[2]; /* in our processing of one level we sometimes determine what must be inserted into the next higher level. This insertion consists of a key or two keys and their corresponding pointers */ struct buffer_head *insert_ptr[2]; /* inserted node-ptrs for the next level */ /* if we have no real work to do */ if (!tb->insert_size[0]) { unfix_nodes( /*th, */ tb); return; } if (flag == M_INTERNAL) { insert_ptr[0] = (struct buffer_head *)body; /* we must prepare insert_key */ if (PATH_H_B_ITEM_ORDER(tb->tb_path, 0) /*LAST_POSITION (tb->tb_path) */ /*item_pos */ == -1) { /* get delimiting key from buffer in tree */ copy_key(&insert_key[0].ih_key, leaf_key(PATH_PLAST_BUFFER(tb->tb_path), 0)); /*insert_ptr[0]->b_item_order = 0; */ } else { /* get delimiting key from new buffer */ copy_key(&insert_key[0].ih_key, leaf_key((struct buffer_head *)body, 0)); /*insert_ptr[0]->b_item_order = item_pos; */ } /* and insert_ptr instead of balance_leaf */ child_pos = PATH_H_B_ITEM_ORDER(tb->tb_path, 0) /*item_pos */ ; } else /* balance leaf returns 0 except if combining L R and S into one node. see balance_internal() for explanation of this line of code. */ child_pos = PATH_H_B_ITEM_ORDER(tb->tb_path, 0) + balance_leaf( /*th, */ tb /*, pos_in_item */ , ih, body, flag, zeros_num, insert_key, insert_ptr); /* Balance internal level of the tree. */ for (h = 1; h < MAX_HEIGHT && tb->insert_size[h]; h++) child_pos = balance_internal( /*th, */ tb, h, child_pos, insert_key, insert_ptr); /* Release all (except for S[0]) non NULL buffers fixed by fix_nodes() */ unfix_nodes( /*th, */ tb); } reiserfsprogs-3.6.25/reiserfscore/fix_node.c0000644000175000001440000022451112215632405016060 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /** ** old_item_num ** old_entry_num ** set_entry_sizes ** create_virtual_node ** check_left ** check_right ** directory_part_size ** get_num_ver ** item_length ** set_parameters ** is_leaf_removable ** are_leaves_removable ** get_empty_nodes ** get_lfree ** get_rfree ** is_left_neighbor_in_cache ** decrement_key ** get_far_parent ** get_parents ** can_node_be_removed ** ip_check_balance ** dc_check_balance_internal ** dc_check_balance_leaf ** dc_check_balance ** check_balance ** get_direct_parent ** get_neighbors ** fix_nodes ** ** **/ #include "includes.h" /* To make any changes in the tree we find a node, that contains item to be changed/deleted or position in the node we insert a new item to. We call this node S. To do balancing we need to decide what we will shift to left/right neighbor, or to a new node, where new item will be etc. To make this analysis simpler we build virtual node. Virtual node is an array of items, that will replace items of node S. (For instance if we are going to delete an item, virtual node does not contain it). Virtual node keeps information about item sizes and types, mergeability of first and last items, sizes of all entries in directory item. We use this array of items when calculating what we can shift to neighbors and how many nodes we have to have if we do not any shiftings, if we shift to left/right neighbor or to both. */ /* taking item number in virtual node, returns number of item, that it has in source buffer */ static inline int old_item_num(int new_num, int affected_item_num, int mode) { if (mode == M_PASTE || mode == M_CUT || new_num < affected_item_num) return new_num; if (mode == M_INSERT) return new_num - 1; /* delete mode */ return new_num + 1; } /* function returns old entry number in directory item in real node using new entry number in virtual item in virtual node */ static inline int old_entry_num(int new_num, int affected_item_num, int new_entry_num, int pos_in_item, int mode) { if (mode == M_INSERT || mode == M_DELETE) return new_entry_num; if (new_num != affected_item_num) { /* cut or paste is applied to another item */ return new_entry_num; } if (new_entry_num < pos_in_item) return new_entry_num; if (mode == M_CUT) return new_entry_num + 1; return new_entry_num - 1; } /* * Create an array of sizes of directory entries for virtual item */ static void set_entry_sizes(struct tree_balance *tb, int old_num, int new_num, struct buffer_head *bh, struct item_head *ih) { struct virtual_node *vn = tb->tb_vn; int i; struct reiserfs_de_head *deh; struct virtual_item *vi; deh = B_I_DEH(bh, ih); /* seek to given virtual item in array of virtual items */ vi = vn->vn_vi + new_num; /* virtual directory item have this amount of entry after */ vi->vi_entry_count = get_ih_entry_count(ih) + ((old_num == vn->vn_affected_item_num) ? ((vn->vn_mode == M_CUT) ? -1 : (vn->vn_mode == M_PASTE ? 1 : 0)) : 0); vi->vi_entry_sizes = (__u16 *) vn->vn_free_ptr; vn->vn_free_ptr += vi->vi_entry_count * sizeof(__u16); /* set sizes of old entries */ for (i = 0; i < vi->vi_entry_count; i++) { int j; j = old_entry_num(old_num, vn->vn_affected_item_num, i, vn->vn_pos_in_item, vn->vn_mode); vi->vi_entry_sizes[i] = entry_length(ih, &(deh[j]), j) + DEH_SIZE; } /* set size of pasted entry */ if (old_num == vn->vn_affected_item_num && vn->vn_mode == M_PASTE) vi->vi_entry_sizes[vn->vn_pos_in_item] = tb->insert_size[0]; } static void create_virtual_node(struct tree_balance *tb, int h) { struct item_head *ih; struct virtual_node *vn = tb->tb_vn; int new_num; struct buffer_head *Sh; /* this comes from tb->S[h] */ Sh = PATH_H_PBUFFER(tb->tb_path, h); /* size of changed node */ vn->vn_size = MAX_CHILD_SIZE(Sh->b_size) - get_blkh_free_space(B_BLK_HEAD(Sh)) + tb->insert_size[h]; /* for internal nodes array if virtual items is not created */ if (h) { vn->vn_nr_item = (vn->vn_size - DC_SIZE) / (DC_SIZE + KEY_SIZE); return; } /* number of items in virtual node */ vn->vn_nr_item = B_NR_ITEMS(Sh) + ((vn->vn_mode == M_INSERT) ? 1 : 0) - ((vn->vn_mode == M_DELETE) ? 1 : 0); /* first virtual item */ vn->vn_vi = (struct virtual_item *)(tb->tb_vn + 1); memset(vn->vn_vi, 0, vn->vn_nr_item * sizeof(struct virtual_item)); vn->vn_free_ptr += vn->vn_nr_item * sizeof(struct virtual_item); /* first item in the node */ ih = item_head(Sh, 0); /* define the mergeability for 0-th item (if it is not being deleted) */ if (is_left_mergeable(tb->tb_fs, tb->tb_path) == 1 && (vn->vn_mode != M_DELETE || vn->vn_affected_item_num)) vn->vn_vi[0].vi_type |= VI_TYPE_LEFT_MERGEABLE; /* go through all items those remain in the virtual node (except for the new (inserted) one) */ for (new_num = 0; new_num < vn->vn_nr_item; new_num++) { int j; if (vn->vn_affected_item_num == new_num && vn->vn_mode == M_INSERT) continue; /* get item number in source node */ j = old_item_num(new_num, vn->vn_affected_item_num, vn->vn_mode); vn->vn_vi[new_num].vi_item_len += get_ih_item_len(&ih[j]) + IH_SIZE; if (I_IS_STAT_DATA_ITEM(ih + j)) { vn->vn_vi[new_num].vi_type |= VI_TYPE_STAT_DATA; continue; } /* set type of item */ if (I_IS_DIRECT_ITEM(ih + j)) vn->vn_vi[new_num].vi_type |= VI_TYPE_DIRECT; if (I_IS_INDIRECT_ITEM(ih + j)) vn->vn_vi[new_num].vi_type |= VI_TYPE_INDIRECT; if (I_IS_DIRECTORY_ITEM(ih + j)) { set_entry_sizes(tb, j, new_num, Sh, ih + j); vn->vn_vi[new_num].vi_type |= VI_TYPE_DIRECTORY; if (get_key_offset_v1(&ih[j].ih_key) == DOT_OFFSET) vn->vn_vi[new_num].vi_type |= VI_TYPE_FIRST_DIRECTORY_ITEM; } vn->vn_vi[new_num].vi_item_offset = get_offset(&(ih + j)->ih_key); if (new_num != vn->vn_affected_item_num) /* this is not being changed */ continue; if (vn->vn_mode == M_PASTE || vn->vn_mode == M_CUT) vn->vn_vi[new_num].vi_item_len += tb->insert_size[0]; } /* virtual inserted item is not defined yet */ if (vn->vn_mode == M_INSERT) { vn->vn_vi[vn->vn_affected_item_num].vi_item_len = tb->insert_size[0]; vn->vn_vi[vn->vn_affected_item_num].vi_item_offset = get_offset(&vn->vn_ins_ih->ih_key); switch (get_type(&vn->vn_ins_ih->ih_key)) { case TYPE_STAT_DATA: vn->vn_vi[vn->vn_affected_item_num].vi_type |= VI_TYPE_STAT_DATA; break; case TYPE_DIRECT: vn->vn_vi[vn->vn_affected_item_num].vi_type |= VI_TYPE_DIRECT; break; case TYPE_INDIRECT: vn->vn_vi[vn->vn_affected_item_num].vi_type |= VI_TYPE_INDIRECT; break; default: /* inseted item is directory (it must be item with "." and "..") */ vn->vn_vi[vn->vn_affected_item_num].vi_type |= (VI_TYPE_DIRECTORY | VI_TYPE_FIRST_DIRECTORY_ITEM | VI_TYPE_INSERTED_DIRECTORY_ITEM); /* this directory item can not be split, so do not set sizes of entries */ break; } } /* set right merge flag we take right delimiting key and check whether it is a mergeable item */ if (tb->CFR[0]) { ih = (struct item_head *)internal_key(tb->CFR[0], tb->rkey[0]); if (is_right_mergeable(tb->tb_fs, tb->tb_path) == 1 && (vn->vn_mode != M_DELETE || vn->vn_affected_item_num != B_NR_ITEMS(Sh) - 1)) vn->vn_vi[vn->vn_nr_item - 1].vi_type |= VI_TYPE_RIGHT_MERGEABLE; } } /* using virtual node check, how many items can be shifted to left neighbor */ static int check_left(struct tree_balance *tb, int h, int cur_free) { int i; struct virtual_node *vn = tb->tb_vn; int d_size, ih_size, bytes = -1; /* internal level */ if (h > 0) { if (!cur_free) { tb->lnum[h] = 0; return 0; } tb->lnum[h] = cur_free / (DC_SIZE + KEY_SIZE); return -1; } /* leaf level */ if (!cur_free || !vn->vn_nr_item) { /* no free space */ tb->lnum[h] = 0; tb->lbytes = -1; return 0; } if ((unsigned int)cur_free >= (vn->vn_size - ((vn->vn_vi[0].vi_type & VI_TYPE_LEFT_MERGEABLE) ? IH_SIZE : 0))) { /* all contents of S[0] fits into L[0] */ tb->lnum[0] = vn->vn_nr_item; tb->lbytes = -1; return -1; } d_size = 0, ih_size = IH_SIZE; /* first item may be merge with last item in left neighbor */ if (vn->vn_vi[0].vi_type & VI_TYPE_LEFT_MERGEABLE) d_size = -((int)IH_SIZE), ih_size = 0; tb->lnum[0] = 0; for (i = 0; i < vn->vn_nr_item; i++, ih_size = IH_SIZE, d_size = 0) { d_size += vn->vn_vi[i].vi_item_len; if (cur_free >= d_size) { /* the item can be shifted entirely */ cur_free -= d_size; tb->lnum[0]++; continue; } /* the item cannot be shifted entirely, try to split it */ /* check whether L[0] can hold ih and at least one byte of the item body */ if (cur_free <= ih_size) { /* cannot shift even a part of the current item */ tb->lbytes = -1; return -1; } cur_free -= ih_size; if (vn->vn_vi[i].vi_type & VI_TYPE_STAT_DATA || vn->vn_vi[i].vi_type & VI_TYPE_INSERTED_DIRECTORY_ITEM) { /* virtual item is a stat_data or empty directory body ("." and ".."), that is not split able */ tb->lbytes = -1; return -1; } if (vn->vn_vi[i].vi_type & VI_TYPE_DIRECT) { /* body of a direct item can be split by 8 bytes */ int align = 8 - (vn->vn_vi[i].vi_item_offset - 1) % 8; // reiserfs_warning(stderr,"\nbalancing: cur_free (%d) ", cur_free); tb->lbytes = bytes = (cur_free >= align) ? (align + ((cur_free - align) / 8 * 8)) : 0; // reiserfs_warning(stderr,"offset (0x%Lx), move_left (%d), get offset (0x%Lx)", // vn->vn_vi[i].vi_item_offset, bytes, vn->vn_vi[i].vi_item_offset + bytes); } if (vn->vn_vi[i].vi_type & VI_TYPE_INDIRECT) /* body of a indirect item can be split at unformatted pointer bound */ tb->lbytes = bytes = cur_free - cur_free % UNFM_P_SIZE; /* item is of directory type */ if (vn->vn_vi[i].vi_type & VI_TYPE_DIRECTORY) { /* directory entries are the solid granules of the directory item, they cannot be split in the middle */ /* calculate number of dir entries that can be shifted, and their total size */ int j; struct virtual_item *vi; tb->lbytes = 0; bytes = 0; vi = &vn->vn_vi[i]; for (j = 0; j < vi->vi_entry_count; j++) { if (vi->vi_entry_sizes[j] > cur_free) /* j-th entry doesn't fit into L[0] */ break; bytes += vi->vi_entry_sizes[j]; cur_free -= vi->vi_entry_sizes[j]; tb->lbytes++; } /* "." can not be cut from first directory item */ if ((vn->vn_vi[i]. vi_type & VI_TYPE_FIRST_DIRECTORY_ITEM) && tb->lbytes < 2) tb->lbytes = 0; } if (tb->lbytes <= 0) { /* nothing can flow from the item */ tb->lbytes = -1; return -1; } /* something can flow from the item */ tb->lnum[0]++; return bytes; /* part of split item in bytes */ } reiserfs_panic(0, "vs-8065: check_left: all items fit in the left neighbor"); return 0; } /* using virtual node check, how many items can be shifted to right neighbor */ static int check_right(struct tree_balance *tb, int h, int cur_free) { int i; struct virtual_node *vn = tb->tb_vn; int d_size, ih_size, bytes = -1; /* internal level */ if (h > 0) { if (!cur_free) { tb->rnum[h] = 0; return 0; } tb->rnum[h] = cur_free / (DC_SIZE + KEY_SIZE); return -1; } /* leaf level */ if (!cur_free || !vn->vn_nr_item) { /* no free space */ tb->rnum[h] = 0; tb->rbytes = -1; return 0; } if ((unsigned int)cur_free >= (vn->vn_size - ((vn->vn_vi[vn->vn_nr_item - 1]. vi_type & VI_TYPE_RIGHT_MERGEABLE) ? IH_SIZE : 0))) { /* all contents of S[0] fits into R[0] */ tb->rnum[h] = vn->vn_nr_item; tb->rbytes = -1; return -1; } d_size = 0, ih_size = IH_SIZE; /* last item may be merge with first item in right neighbor */ if (vn->vn_vi[vn->vn_nr_item - 1].vi_type & VI_TYPE_RIGHT_MERGEABLE) d_size = -(int)IH_SIZE, ih_size = 0; tb->rnum[0] = 0; for (i = vn->vn_nr_item - 1; i >= 0; i--, d_size = 0, ih_size = IH_SIZE) { d_size += vn->vn_vi[i].vi_item_len; if (cur_free >= d_size) { /* the item can be shifted entirely */ cur_free -= d_size; tb->rnum[0]++; continue; } /* the item cannot be shifted entirely, try to split it */ if (vn->vn_vi[i].vi_type & VI_TYPE_STAT_DATA || vn->vn_vi[i].vi_type & VI_TYPE_INSERTED_DIRECTORY_ITEM) { /* virtual item is a stat_data or empty directory body ("." and "..), that is not split able */ tb->rbytes = -1; return -1; } /* check whether R[0] can hold ih and at least one byte of the item body */ if (cur_free <= ih_size) { /* cannot shift even a part of the current item */ tb->rbytes = -1; return -1; } /* R[0] can hold the header of the item and at least one byte of its body */ cur_free -= ih_size; /* cur_free is still > 0 */ /* item is of direct type */ if (vn->vn_vi[i].vi_type & VI_TYPE_DIRECT) { /* body of a direct item can be split by 8 bytes */ int align = vn->vn_vi[i].vi_item_len % 8; // reiserfs_warning(stderr,"\nbalancing: cur_free (%d) ", cur_free); tb->rbytes = bytes = (cur_free >= align) ? (align + ((cur_free - align) / 8 * 8)) : 0; // reiserfs_warning(stderr, "offset (0x%Lx) len (%d), move right (%d), get offset (0x%Lx)", // vn->vn_vi[i].vi_item_offset, vn->vn_vi[i].vi_item_len, bytes, // vn->vn_vi[i].vi_item_offset + vn->vn_vi[i].vi_item_len - bytes); } /* item is of indirect type */ if (vn->vn_vi[i].vi_type & VI_TYPE_INDIRECT) /* an unformatted node pointer (having size long) is a solid granule of the item */ tb->rbytes = bytes = cur_free - cur_free % UNFM_P_SIZE; /* item is of directory type */ if (vn->vn_vi[i].vi_type & VI_TYPE_DIRECTORY) { int j; struct virtual_item *vi; tb->rbytes = 0; bytes = 0; vi = &vn->vn_vi[i]; for (j = vi->vi_entry_count - 1; j >= 0; j--) { if (vi->vi_entry_sizes[j] > cur_free) /* j-th entry doesn't fit into L[0] */ break; bytes += vi->vi_entry_sizes[j]; cur_free -= vi->vi_entry_sizes[j]; tb->rbytes++; } /* ".." can not be cut from first directory item */ if ((vn->vn_vi[i]. vi_type & VI_TYPE_FIRST_DIRECTORY_ITEM) && tb->rbytes > vi->vi_entry_count - 2) tb->rbytes = vi->vi_entry_count - 2; } if (tb->rbytes <= 0) { /* nothing can flow from the item */ tb->rbytes = -1; return -1; } /* something can flow from the item */ tb->rnum[0]++; return bytes; /* part of split item in bytes */ } reiserfs_panic ("vs-8095: check_right: all items fit in the left neighbor"); return 0; } /* sum of entry sizes between from-th and to-th entries including both edges */ static int directory_part_size(struct virtual_item *vi, int from, int to) { int i, retval; retval = 0; for (i = from; i <= to; i++) retval += vi->vi_entry_sizes[i]; return retval; } /* * from - number of items, which are shifted to left neighbor entirely * to - number of item, which are shifted to right neighbor entirely * from_bytes - number of bytes of boundary item (or directory entries) which * are shifted to left neighbor * to_bytes - number of bytes of boundary item (or directory entries) which * are shifted to right neighbor */ static int get_num_ver(int mode, struct tree_balance *tb, int h, int from, int from_bytes, int to, int to_bytes, short *snum012, int flow) { int i; int bytes; struct virtual_node *vn = tb->tb_vn; struct virtual_item *vi; int total_node_size, max_node_size, current_item_size; int needed_nodes; int start_item, /* position of item we start filling node from */ end_item, /* position of item we finish filling node by */ start_bytes, /* number of first bytes (entries for directory) of start_item-th item we do not include into node that is being filled */ end_bytes; /* number of last bytes (entries for directory) of end_item-th item we do node include into node that is being filled */ int splitted_item_positions[2]; /* these are positions in virtual item of items, that are splitted between S[0] and S1new and S1new and S2new */ max_node_size = MAX_CHILD_SIZE(tb->tb_fs->fs_blocksize); /* snum012 [0-2] - number of items, that lay to S[0], first new node and second new node */ snum012[3] = -1; /* s1bytes */ snum012[4] = -1; /* s2bytes */ /* internal level */ if (h > 0) { i = ((to - from) * (KEY_SIZE + DC_SIZE) + DC_SIZE); if (i == max_node_size) return 1; return (i / max_node_size + 1); } /* leaf level */ needed_nodes = 1; total_node_size = 0; start_item = from; start_bytes = from_bytes; end_item = vn->vn_nr_item - to - 1; end_bytes = to_bytes; /* go through all items begining from the start_item-th item and ending by the end_item-th item. If start_bytes != -1 we skip first start_bytes item units (entries in case of directory). If end_bytes != -1 we skip end_bytes units of the end_item-th item. */ for (i = start_item; i <= end_item; i++) { /* get size of current item */ current_item_size = (vi = &vn->vn_vi[i])->vi_item_len; /* do not take in calculation head part (from_bytes) of from-th item */ if (i == start_item && start_bytes != -1) { if (vi->vi_type & VI_TYPE_DIRECTORY) current_item_size -= directory_part_size(vi, 0, start_bytes - 1); else current_item_size -= start_bytes; } /* do not take in calculation tail part of (to-1)-th item */ if (i == end_item && end_bytes != -1) { if (vi->vi_type & VI_TYPE_DIRECTORY) /* first entry, that is not included */ current_item_size -= directory_part_size(vi, vi->vi_entry_count - end_bytes, vi->vi_entry_count - 1); else current_item_size -= end_bytes; } /* if item fits into current node entirely */ if (total_node_size + current_item_size <= max_node_size) { snum012[needed_nodes - 1]++; total_node_size += current_item_size; continue; } if (current_item_size > max_node_size) /* virtual item length is longer, than max size of item in a node. It is impossible for direct item */ /* we will try to split it */ flow = 1; if (!flow) { /* as we do not split items, take new node and continue */ needed_nodes++; i--; total_node_size = 0; continue; } if (total_node_size + (int)IH_SIZE >= max_node_size) { /* even minimal item does not fit into current node, take new node and continue */ needed_nodes++, i--, total_node_size = 0; continue; } if (vi->vi_type & VI_TYPE_STAT_DATA) { /* stat data can not be split */ needed_nodes++, i--, total_node_size = 0; continue; } /*bytes is free space in filled node */ bytes = max_node_size - total_node_size - IH_SIZE; if (vi->vi_type & VI_TYPE_DIRECT) { /* body of a direct item can be split by 8 bytes. */ int align = 8 - (vn->vn_vi[i].vi_item_offset - 1) % 8; // reiserfs_warning(stderr,"\nbalancing: cur_free (%d) ", bytes); // reiserfs_warning(stderr,"offset (0x%Lx), move (%d), get offset (0x%Lx)", // vn->vn_vi[i].vi_item_offset, (bytes - align) / 8 * 8, // vn->vn_vi[i].vi_item_offset + ((bytes - align) / 8 * 8)); bytes = (bytes >= align) ? (align + ((bytes - align) / 8 * 8)) : 0; } /* item is of indirect type */ if (vi->vi_type & VI_TYPE_INDIRECT) /* an unformatted node pointer (having size long) is a solid granule of the item. bytes of unformatted node pointers fits into free space of filled node */ bytes -= (bytes) % UNFM_P_SIZE; /* S1bytes or S2bytes. It depends from needed_nodes */ snum012[needed_nodes - 1 + 3] = bytes; /* item is of directory type */ if (vi->vi_type & VI_TYPE_DIRECTORY) { /* calculate, how many entries can be put into current node */ int j; int end_entry; snum012[needed_nodes - 1 + 3] = 0; total_node_size += IH_SIZE; if (start_bytes == -1 || i != start_item) start_bytes = 0; end_entry = vi->vi_entry_count - ((i == end_item && end_bytes != -1) ? end_bytes : 0); for (j = start_bytes; j < end_entry; j++) { /* j-th entry doesn't fit into current node */ if (total_node_size + vi->vi_entry_sizes[j] > max_node_size) break; snum012[needed_nodes - 1 + 3]++; bytes += vi->vi_entry_sizes[j]; total_node_size += vi->vi_entry_sizes[j]; } /* "." can not be cut from first directory item */ if (start_bytes == 0 && (vn->vn_vi[i]. vi_type & VI_TYPE_FIRST_DIRECTORY_ITEM) && snum012[needed_nodes - 1 + 3] < 2) snum012[needed_nodes - 1 + 3] = 0; } if (snum012[needed_nodes - 1 + 3] <= 0) { /* nothing fits into current node, take new node and continue */ needed_nodes++, i--, total_node_size = 0; continue; } /* something fits into the current node */ if (vi->vi_type & VI_TYPE_DIRECTORY) start_bytes += snum012[needed_nodes - 1 + 3]; else start_bytes = bytes; snum012[needed_nodes - 1]++; splitted_item_positions[needed_nodes - 1] = i; needed_nodes++; /* continue from the same item with start_bytes != -1 */ start_item = i; i--; total_node_size = 0; } /* snum012[3] and snum012[4] contain how many bytes (entries) of split item can be in S[0] and S1new. s1bytes and s2bytes are how many bytes (entries) can be in S1new and S2new. Recalculate it */ if (snum012[4] > 0) { /* s2bytes */ /* get number of item that is split between S1new and S2new */ int split_item_num; int bytes_to_r, bytes_to_l; split_item_num = splitted_item_positions[1]; bytes_to_l = ((from == split_item_num && from_bytes != -1) ? from_bytes : 0); bytes_to_r = ((end_item == split_item_num && end_bytes != -1) ? end_bytes : 0); if (vn->vn_vi[split_item_num].vi_type & VI_TYPE_DIRECTORY) { int entries_to_S2new; /* calculate number of entries fit into S2new */ entries_to_S2new = vn->vn_vi[split_item_num].vi_entry_count - snum012[4] - bytes_to_r - bytes_to_l; if (snum012[3] != -1 && snum012[1] == 1) { /* directory split into 3 nodes */ int entries_to_S1new; entries_to_S2new -= snum012[3]; entries_to_S1new = snum012[4]; snum012[3] = entries_to_S1new; snum012[4] = entries_to_S2new; return needed_nodes; } snum012[4] = entries_to_S2new; } else { /* item is not of directory type */ int bytes_to_S2new; bytes_to_S2new = vn->vn_vi[split_item_num].vi_item_len - IH_SIZE - snum012[4] - bytes_to_r - bytes_to_l; snum012[4] = bytes_to_S2new; } } /* now we know S2bytes, calculate S1bytes */ if (snum012[3] > 0) { /* s1bytes */ /* get number of item that is split between S0 and S1new */ int split_item_num; int bytes_to_r, bytes_to_l; split_item_num = splitted_item_positions[0]; bytes_to_l = ((from == split_item_num && from_bytes != -1) ? from_bytes : 0); bytes_to_r = ((end_item == split_item_num && end_bytes != -1) ? end_bytes : 0); if (vn->vn_vi[split_item_num].vi_type & VI_TYPE_DIRECTORY) { /* entries, who go to S1new node */ snum012[3] = vn->vn_vi[split_item_num].vi_entry_count - snum012[3] - bytes_to_r - bytes_to_l; } else /* bytes, who go to S1new node (not including HI_SIZE) */ snum012[3] = vn->vn_vi[split_item_num].vi_item_len - IH_SIZE - snum012[3] - bytes_to_r - bytes_to_l; } return needed_nodes; } /* size of item_num-th item in bytes when regular and in entries when item is directory */ static int item_length(struct tree_balance *tb, int item_num) { struct virtual_node *vn = tb->tb_vn; if (vn->vn_vi[item_num].vi_type & VI_TYPE_DIRECTORY) return vn->vn_vi[item_num].vi_entry_count; return vn->vn_vi[item_num].vi_item_len - IH_SIZE; } /* Set parameters for balancing. * Performs write of results of analysis of balancing into structure tb, * where it will later be used by the functions that actually do the balancing. * Parameters: * tb tree_balance structure; * h current level of the node; * lnum number of items from S[h] that must be shifted to L[h]; * rnum number of items from S[h] that must be shifted to R[h]; * blk_num number of blocks that S[h] will be splitted into; * s012 number of items that fall into splitted nodes. * lbytes number of bytes which flow to the left neighbor from the item that is not * not shifted entirely * rbytes number of bytes which flow to the right neighbor from the item that is not * not shifted entirely * s1bytes number of bytes which flow to the first new node when S[0] splits (this number is contained in s012 array) */ static void set_parameters(struct tree_balance *tb, int h, int lnum, int rnum, int blk_num, short *s012, int lb, int rb) { tb->lnum[h] = lnum; tb->rnum[h] = rnum; tb->blknum[h] = blk_num; if (h == 0) { /* only for leaf level */ if (s012 != NULL) { tb->s0num = *s012++, tb->s1num = *s012++, tb->s2num = *s012++; tb->s1bytes = *s012++; tb->s2bytes = *s012; } tb->lbytes = lb; tb->rbytes = rb; } } static void decrement_key(struct reiserfs_key *p_s_key) { int type; type = get_type(p_s_key); switch (type) { case TYPE_STAT_DATA: set_key_objectid(p_s_key, get_key_objectid(p_s_key) - 1); set_type_and_offset(key_format(p_s_key), p_s_key, (loff_t) MAX_FILE_SIZE_V2, TYPE_INDIRECT); return; case TYPE_INDIRECT: case TYPE_DIRECT: case TYPE_DIRENTRY: set_offset(key_format(p_s_key), p_s_key, get_offset(p_s_key) - 1); if (get_offset(p_s_key) == 0) set_type(key_format(p_s_key), p_s_key, TYPE_STAT_DATA); return; } reiserfs_warning(stderr, "vs-8125: decrement_key: item of wrong type found %k", p_s_key); } int are_items_mergeable(struct item_head *left, struct item_head *right, int bsize) { if (comp_keys(&left->ih_key, &right->ih_key) != -1) { reiserfs_panic ("vs-16070: are_items_mergeable: left %k, right %k", &(left->ih_key), &(right->ih_key)); } if (not_of_one_file(&left->ih_key, &right->ih_key)) return 0; if (I_IS_DIRECTORY_ITEM(left)) { return 1; } if ((I_IS_DIRECT_ITEM(left) && I_IS_DIRECT_ITEM(right)) || (I_IS_INDIRECT_ITEM(left) && I_IS_INDIRECT_ITEM(right))) return (get_offset(&left->ih_key) + get_bytes_number(left, bsize) == get_offset(&right->ih_key)) ? 1 : 0; return 0; } /* get left neighbor of the leaf node */ static struct buffer_head *get_left_neighbor(reiserfs_filsys_t s, struct reiserfs_path *path) { struct reiserfs_key key; struct reiserfs_path path_to_left_neighbor; struct buffer_head *bh; copy_key(&key, leaf_key(PATH_PLAST_BUFFER(path), 0)); decrement_key(&key); init_path(&path_to_left_neighbor); search_by_key(s, &key, &path_to_left_neighbor, DISK_LEAF_NODE_LEVEL); if (PATH_LAST_POSITION(&path_to_left_neighbor) == 0) { pathrelse(&path_to_left_neighbor); return NULL; } bh = PATH_PLAST_BUFFER(&path_to_left_neighbor); bh->b_count++; pathrelse(&path_to_left_neighbor); return bh; } static struct buffer_head *get_right_neighbor(reiserfs_filsys_t s, struct reiserfs_path *path) { struct reiserfs_key key; const struct reiserfs_key *rkey; struct reiserfs_path path_to_right_neighbor; struct buffer_head *bh; rkey = get_rkey(path, s); if (comp_keys(rkey, &MIN_KEY) == 0) reiserfs_panic ("vs-16080: get_right_neighbor: get_rkey returned min key (path has changed)"); copy_key(&key, rkey); init_path(&path_to_right_neighbor); search_by_key(s, &key, &path_to_right_neighbor, DISK_LEAF_NODE_LEVEL); if (PATH_PLAST_BUFFER(&path_to_right_neighbor) == PATH_PLAST_BUFFER(path)) { pathrelse(&path_to_right_neighbor); return NULL; } bh = PATH_PLAST_BUFFER(&path_to_right_neighbor); bh->b_count++; pathrelse(&path_to_right_neighbor); return bh; } int is_left_mergeable(reiserfs_filsys_t s, struct reiserfs_path *path) { struct item_head *right; struct buffer_head *bh; int retval; right = item_head(PATH_PLAST_BUFFER(path), 0); bh = get_left_neighbor(s, path); if (bh == NULL) { return 0; } retval = are_items_mergeable(item_head(bh, B_NR_ITEMS(bh) - 1), right, bh->b_size); brelse(bh); return retval; } int is_right_mergeable(reiserfs_filsys_t s, struct reiserfs_path *path) { struct item_head *left; struct buffer_head *bh; int retval; left = item_head(PATH_PLAST_BUFFER(path), B_NR_ITEMS(PATH_PLAST_BUFFER(path)) - 1); bh = get_right_neighbor(s, path); if (bh == NULL) { return 0; } retval = are_items_mergeable(left, item_head(bh, 0), bh->b_size); brelse(bh); return retval; } /* check, does node disappear if we shift tb->lnum[0] items to left neighbor and tb->rnum[0] to the right one. */ static int is_leaf_removable(struct tree_balance *tb) { struct virtual_node *vn = tb->tb_vn; int to_left, to_right; int size; int remain_items; /* number of items, that will be shifted to left (right) neighbor entirely */ to_left = tb->lnum[0] - ((tb->lbytes != -1) ? 1 : 0); to_right = tb->rnum[0] - ((tb->rbytes != -1) ? 1 : 0); remain_items = vn->vn_nr_item; /* how many items remain in S[0] after shiftings to neighbors */ remain_items -= (to_left + to_right); if (remain_items < 1) { /* all content of node can be shifted to neighbors */ set_parameters(tb, 0, to_left, vn->vn_nr_item - to_left, 0, NULL, -1, -1); return 1; } if (remain_items > 1 || tb->lbytes == -1 || tb->rbytes == -1) /* S[0] is not removable */ return 0; /* check, whether we can divide 1 remaining item between neighbors */ /* get size of remaining item (in directory entry count if directory) */ size = item_length(tb, to_left); if (tb->lbytes + tb->rbytes >= size) { set_parameters(tb, 0, to_left + 1, to_right + 1, 0, NULL, tb->lbytes, -1); return 1; } return 0; } /* check whether L, S, R can be joined in one node */ static int are_leaves_removable(struct tree_balance *tb, int lfree, int rfree) { struct virtual_node *vn = tb->tb_vn; int ih_size; struct buffer_head *S0; S0 = PATH_H_PBUFFER(tb->tb_path, 0); ih_size = 0; if (vn->vn_nr_item) { if (vn->vn_vi[0].vi_type & VI_TYPE_LEFT_MERGEABLE) ih_size += IH_SIZE; if (vn->vn_vi[vn->vn_nr_item - 1]. vi_type & VI_TYPE_RIGHT_MERGEABLE) ih_size += IH_SIZE; } else { /* there was only one item and it will be deleted */ struct item_head *ih; ih = item_head(S0, 0); if (tb->CFR[0] && !not_of_one_file(&(ih->ih_key), internal_key(tb->CFR[0], tb->rkey[0]))) if (I_IS_DIRECTORY_ITEM(ih)) { /* we can delete any directory item in fsck (if it is unreachable) */ if (get_offset(&ih->ih_key) != DOT_OFFSET) { /* must get left neighbor here to make sure, that left neighbor is of the same directory */ struct buffer_head *left; left = get_left_neighbor(tb->tb_fs, tb->tb_path); if (left) { struct item_head *last; if (B_NR_ITEMS(left) == 0) reiserfs_panic ("vs-8135: are_leaves_removable: " "empty node in the tree"); last = item_head(left, B_NR_ITEMS (left) - 1); if (!comp_short_keys (&last->ih_key, &ih->ih_key)) ih_size = IH_SIZE; brelse(left); } } } } if ((int)MAX_CHILD_SIZE(S0->b_size) + vn->vn_size <= rfree + lfree + ih_size) { set_parameters(tb, 0, -1, -1, -1, NULL, -1, -1); return 1; } return 0; } /* when we do not split item, lnum and rnum are numbers of entire items */ #define SET_PAR_SHIFT_LEFT \ if (h)\ {\ int to_l;\ \ to_l = (MAX_NR_KEY(Sh)+1 - lpar + vn->vn_nr_item + 1) / 2 -\ (MAX_NR_KEY(Sh) + 1 - lpar);\ \ set_parameters (tb, h, to_l, 0, lnver, NULL, -1, -1);\ }\ else \ {\ if (lset==LEFT_SHIFT_FLOW)\ set_parameters (tb, h, lpar, 0, lnver, snum012+lset,\ tb->lbytes, -1);\ else\ set_parameters (tb, h, lpar - (tb->lbytes!=-1), 0, lnver, snum012+lset,\ -1, -1);\ } #define SET_PAR_SHIFT_RIGHT \ if (h)\ {\ int to_r;\ \ to_r = (MAX_NR_KEY(Sh)+1 - rpar + vn->vn_nr_item + 1) / 2 - (MAX_NR_KEY(Sh) + 1 - rpar);\ \ set_parameters (tb, h, 0, to_r, rnver, NULL, -1, -1);\ }\ else \ {\ if (rset==RIGHT_SHIFT_FLOW)\ set_parameters (tb, h, 0, rpar, rnver, snum012+rset,\ -1, tb->rbytes);\ else\ set_parameters (tb, h, 0, rpar - (tb->rbytes!=-1), rnver, snum012+rset,\ -1, -1);\ } /* Get new buffers for storing new nodes that are created while balancing. * Returns: SCHEDULE_OCCURED - schedule occured while the function worked; * CARRY_ON - schedule didn't occur while the function worked; * NO_DISK_SPACE - no disk space. */ static int get_empty_nodes(struct tree_balance *p_s_tb, int n_h) { struct buffer_head *p_s_new_bh, *p_s_Sh = PATH_H_PBUFFER(p_s_tb->tb_path, n_h); unsigned long *p_n_blocknr, a_n_blocknrs[MAX_AMOUNT_NEEDED] = { 0, }; int n_counter, n_number_of_freeblk, n_amount_needed, /* number of needed empty blocks */ n_repeat; reiserfs_filsys_t fs = p_s_tb->tb_fs; if (n_h == 0 && p_s_tb->insert_size[n_h] == 0x7fff) return CARRY_ON; /* number_of_freeblk is the number of empty blocks which have been acquired for use by the balancing algorithm minus the number of empty blocks used in the previous levels of the analysis, number_of_freeblk = tb->cur_blknum can be non-zero if a schedule occurs after empty blocks are acquired, and the balancing analysis is then restarted, amount_needed is the number needed by this level (n_h) of the balancing analysis. Note that for systems with many processes writing, it would be more layout optimal to calculate the total number needed by all levels and then to run reiserfs_new_blocks to get all of them at once. */ /* Initiate number_of_freeblk to the amount acquired prior to the restart of the analysis or 0 if not restarted, then subtract the amount needed by all of the levels of the tree below n_h. */ /* blknum includes S[n_h], so we subtract 1 in this calculation */ for (n_counter = 0, n_number_of_freeblk = p_s_tb->cur_blknum; n_counter < n_h; n_counter++) n_number_of_freeblk -= (p_s_tb->blknum[n_counter]) ? (p_s_tb->blknum[n_counter] - 1) : 0; /* Allocate missing empty blocks. */ /* if p_s_Sh == 0 then we are getting a new root */ n_amount_needed = (p_s_Sh) ? (p_s_tb->blknum[n_h] - 1) : 1; /* Amount_needed = the amount that we need more than the amount that we have. */ if (n_amount_needed > n_number_of_freeblk) n_amount_needed -= n_number_of_freeblk; else /* If we have enough already then there is nothing to do. */ return CARRY_ON; if ((n_repeat = reiserfs_new_blocknrs(p_s_tb->tb_fs, a_n_blocknrs, PATH_PLAST_BUFFER(p_s_tb-> tb_path)-> b_blocknr, n_amount_needed)) != CARRY_ON) { return n_repeat; /* Out of disk space. */ } /* for each blocknumber we just got, get a buffer and stick it on FEB */ for (p_n_blocknr = a_n_blocknrs, n_counter = 0; n_counter < n_amount_needed; p_n_blocknr++, n_counter++) { p_s_new_bh = getblk(fs->fs_dev, *p_n_blocknr, fs->fs_blocksize); if (p_s_new_bh->b_count > 1) { die("get_empty_nodes: not free empty buffer"); } /* Put empty buffers into the array. */ p_s_tb->FEB[p_s_tb->cur_blknum++] = p_s_new_bh; } return CARRY_ON; } /* Get free space of the left neighbor, * which is stored in the parent node of the left neighbor. */ static int get_lfree(struct tree_balance *tb, int h) { struct buffer_head *l, *f; int order; if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL || (l = tb->FL[h]) == NULL) return 0; if (f == l) order = PATH_H_B_ITEM_ORDER(tb->tb_path, h) - 1; else { order = get_blkh_nr_items(B_BLK_HEAD(l)); f = l; } if (get_dc_child_size(B_N_CHILD(f, order)) == 0) { reiserfs_warning(stderr, "get_lfree: block %u block_head %z has bad child pointer %y, order %d\n", l->b_blocknr, l, B_N_CHILD(f, order), order); } return (MAX_CHILD_SIZE(f->b_size) - get_dc_child_size(B_N_CHILD(f, order))); } /* Get free space of the right neighbor, which is stored in the parent node of * the right neighbor. */ static int get_rfree(struct tree_balance *tb, int h) { struct buffer_head *r, *f; int order; if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL || (r = tb->FR[h]) == NULL) return 0; if (f == r) order = PATH_H_B_ITEM_ORDER(tb->tb_path, h) + 1; else { order = 0; f = r; } return (MAX_CHILD_SIZE(f->b_size) - get_dc_child_size(B_N_CHILD(f, order))); } /* Check whether left neighbor is in memory. */ static int is_left_neighbor_in_cache(struct tree_balance *p_s_tb, int n_h) { struct buffer_head *p_s_father; reiserfs_filsys_t fs = p_s_tb->tb_fs; unsigned long n_left_neighbor_blocknr; int n_left_neighbor_position; if (!p_s_tb->FL[n_h]) /* Father of the left neighbor does not exist. */ return 0; /* Calculate father of the node to be balanced. */ p_s_father = PATH_H_PBUFFER(p_s_tb->tb_path, n_h + 1); /* Get position of the pointer to the left neighbor into the left father. */ n_left_neighbor_position = (p_s_father == p_s_tb->FL[n_h]) ? p_s_tb->lkey[n_h] : get_blkh_nr_items(B_BLK_HEAD(p_s_tb->FL[n_h])); /* Get left neighbor block number. */ n_left_neighbor_blocknr = get_dc_child_blocknr(B_N_CHILD (p_s_tb->FL[n_h], n_left_neighbor_position)); /* Look for the left neighbor in the cache. */ if ((p_s_father = find_buffer(fs->fs_dev, n_left_neighbor_blocknr, fs->fs_blocksize))) return 1; return 0; } #define LEFT_PARENTS 'l' #define RIGHT_PARENTS 'r' void init_path(struct reiserfs_path *path) { path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; } /* Calculate far left/right parent of the left/right neighbor of the current node, that * is calculate the left/right (FL[h]/FR[h]) neighbor of the parent F[h]. * Calculate left/right common parent of the current node and L[h]/R[h]. * Calculate left/right delimiting key position. * Returns: PATH_INCORRECT - path in the tree is not correct; SCHEDULE_OCCURRED - schedule occured while the function worked; * CARRY_ON - schedule didn't occur while the function worked; */ static int get_far_parent(struct tree_balance *p_s_tb, int n_h, struct buffer_head **pp_s_father, struct buffer_head **pp_s_com_father, char c_lr_par) { struct buffer_head *p_s_parent; struct reiserfs_path s_path_to_neighbor_father, *p_s_path = p_s_tb->tb_path; struct reiserfs_key s_lr_father_key; int n_counter, n_position = -1, n_first_last_position = 0, n_path_offset = PATH_H_PATH_OFFSET(p_s_path, n_h); /* Starting from F[n_h] go upwards in the tree, and look for the common ancestor of F[n_h], and its neighbor l/r, that should be obtained. */ n_counter = n_path_offset; for (; n_counter > FIRST_PATH_ELEMENT_OFFSET; n_counter--) { /* Check whether parent of the current buffer in the path is really parent in the tree. */ if (!B_IS_IN_TREE (p_s_parent = PATH_OFFSET_PBUFFER(p_s_path, n_counter - 1))) reiserfs_panic ("get_far_parent: buffer of path is notin the tree"); /* Check whether position in the parent is correct. */ if ((n_position = PATH_OFFSET_POSITION(p_s_path, n_counter - 1)) > B_NR_ITEMS(p_s_parent)) reiserfs_panic ("get_far_parent: incorrect position in the parent"); /* Check whether parent at the path really points to the child. */ if (get_dc_child_blocknr(B_N_CHILD(p_s_parent, n_position)) != PATH_OFFSET_PBUFFER(p_s_path, n_counter)->b_blocknr) reiserfs_panic ("get_far_parent: incorrect disk child in the parent"); /* Return delimiting key if position in the parent is not equal to first/last one. */ if (c_lr_par == RIGHT_PARENTS) n_first_last_position = get_blkh_nr_items(B_BLK_HEAD(p_s_parent)); if (n_position != n_first_last_position) { (*pp_s_com_father = p_s_parent)->b_count++; break; } } /* we are in the root of the tree. */ if (n_counter == FIRST_PATH_ELEMENT_OFFSET) { struct reiserfs_super_block *sb; sb = p_s_tb->tb_fs->fs_ondisk_sb; /* Check whether first buffer in the path is the root of the tree. */ if (PATH_OFFSET_PBUFFER (p_s_tb->tb_path, FIRST_PATH_ELEMENT_OFFSET)->b_blocknr == get_sb_root_block(sb)) { *pp_s_father = *pp_s_com_father = NULL; return CARRY_ON; } reiserfs_panic("get_far_parent: root not found in the path"); } if (n_position == -1) reiserfs_panic("get_far_parent: position is not defined"); /* So, we got common parent of the current node and its left/right neighbor. Now we are geting the parent of the left/right neighbor. */ /* Form key to get parent of the left/right neighbor. */ copy_key(&s_lr_father_key, internal_key(*pp_s_com_father, (c_lr_par == LEFT_PARENTS) ? (p_s_tb->lkey[n_h - 1] = n_position - 1) : (p_s_tb->rkey[n_h - 1] = n_position))); if (c_lr_par == LEFT_PARENTS) { //reiserfs_warning ("decrememnting key %k\n", &s_lr_father_key); decrement_key(&s_lr_father_key); //reiserfs_warning ("done: %k\n", &s_lr_father_key); } init_path(&s_path_to_neighbor_father); if (search_by_key (p_s_tb->tb_fs, &s_lr_father_key, &s_path_to_neighbor_father, n_h + 1) == IO_ERROR) return IO_ERROR; *pp_s_father = PATH_PLAST_BUFFER(&s_path_to_neighbor_father); s_path_to_neighbor_father.path_length--; pathrelse(&s_path_to_neighbor_father); //decrement_counters_in_path(&s_path_to_neighbor_father); return CARRY_ON; } /* Get parents of neighbors of node in the path(S[n_path_offset]) and common parents of * S[n_path_offset] and L[n_path_offset]/R[n_path_offset]: F[n_path_offset], FL[n_path_offset], * FR[n_path_offset], CFL[n_path_offset], CFR[n_path_offset]. * Calculate numbers of left and right delimiting keys position: lkey[n_path_offset], rkey[n_path_offset]. * Returns: SCHEDULE_OCCURRED - schedule occured while the function worked; * CARRY_ON - schedule didn't occur while the function worked; */ static int get_parents(struct tree_balance *p_s_tb, int n_h) { struct reiserfs_path *p_s_path = p_s_tb->tb_path; int n_position, n_ret_value, n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h); struct buffer_head *p_s_curf, *p_s_curcf; /* Current node is the root of the tree or will be root of the tree */ if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) { /* The root can not have parents. Release nodes which previously were obtained as parents of the current node neighbors. */ brelse(p_s_tb->FL[n_h]); brelse(p_s_tb->CFL[n_h]); brelse(p_s_tb->FR[n_h]); brelse(p_s_tb->CFR[n_h]); //decrement_bcount(p_s_tb->FL[n_h]); //decrement_bcount(p_s_tb->CFL[n_h]); //decrement_bcount(p_s_tb->FR[n_h]); //decrement_bcount(p_s_tb->CFR[n_h]); p_s_tb->FL[n_h] = p_s_tb->CFL[n_h] = p_s_tb->FR[n_h] = p_s_tb->CFR[n_h] = NULL; return CARRY_ON; } /* Get parent FL[n_path_offset] of L[n_path_offset]. */ if ((n_position = PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1))) { /* Current node is not the first child of its parent. */ (p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; p_s_tb->lkey[n_h] = n_position - 1; } else { /* Calculate current parent of L[n_path_offset], which is the left neighbor of the current node. Calculate current common parent of L[n_path_offset] and the current node. Note that CFL[n_path_offset] not equal FL[n_path_offset] and CFL[n_path_offset] not equal F[n_path_offset]. Calculate lkey[n_path_offset]. */ if ((n_ret_value = get_far_parent(p_s_tb, n_h + 1, &p_s_curf, &p_s_curcf, LEFT_PARENTS)) != CARRY_ON) return n_ret_value; /*schedule() occured or path is not correct */ } brelse(p_s_tb->FL[n_h]); p_s_tb->FL[n_h] = p_s_curf; /* New initialization of FL[n_h]. */ brelse(p_s_tb->CFL[n_h]); p_s_tb->CFL[n_h] = p_s_curcf; /* New initialization of CFL[n_h]. */ /* Get parent FR[n_h] of R[n_h]. */ /* Current node is the last child of F[n_h]. FR[n_h] != F[n_h]. */ if (n_position == get_blkh_nr_items(B_BLK_HEAD(PATH_H_PBUFFER(p_s_path, n_h + 1)))) { /* Calculate current parent of R[n_h], which is the right neighbor of F[n_h]. Calculate current common parent of R[n_h] and current node. Note that CFR[n_h] not equal FR[n_path_offset] and CFR[n_h] not equal F[n_h]. */ if ((n_ret_value = get_far_parent(p_s_tb, n_h + 1, &p_s_curf, &p_s_curcf, RIGHT_PARENTS)) != CARRY_ON) return n_ret_value; /*schedule() occured while get_far_parent() worked. */ } else { /* Current node is not the last child of its parent F[n_h]. */ (p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; p_s_tb->rkey[n_h] = n_position; } brelse /*decrement_bcount */ (p_s_tb->FR[n_h]); p_s_tb->FR[n_h] = p_s_curf; /* New initialization of FR[n_path_offset]. */ brelse /*decrement_bcount */ (p_s_tb->CFR[n_h]); p_s_tb->CFR[n_h] = p_s_curcf; /* New initialization of CFR[n_path_offset]. */ return CARRY_ON; /* schedule not occured while get_parents() worked. */ } /* it is possible to remove node as result of shiftings to neighbors even when we insert or paste item. */ static inline int can_node_be_removed(int mode, int lfree, int sfree, int rfree, struct tree_balance *tb, int h) { struct buffer_head *Sh = PATH_H_PBUFFER(tb->tb_path, h); int levbytes = tb->insert_size[h]; struct item_head *r_ih = NULL; if (tb->CFR[h]) r_ih = (struct item_head *)internal_key(tb->CFR[h], tb->rkey[h]); if (lfree + rfree + sfree < (int)(MAX_CHILD_SIZE(Sh->b_size) + levbytes /* shifting may merge items which might save space */ - ((!h && is_left_mergeable(tb->tb_fs, tb->tb_path) == 1) ? IH_SIZE : 0) - ((!h && r_ih && is_right_mergeable(tb->tb_fs, tb-> tb_path) == 1) ? IH_SIZE : 0) + ((h) ? KEY_SIZE : 0))) { /* node can not be removed */ if (sfree >= levbytes) { /* new item fits into node S[h] without any shifting */ if (!h) tb->s0num = B_NR_ITEMS(Sh) + ((mode == M_INSERT) ? 1 : 0); set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; } } return !NO_BALANCING_NEEDED; } /* Check whether current node S[h] is balanced when increasing its size by * Inserting or Pasting. * Calculate parameters for balancing for current level h. * Parameters: * tb tree_balance structure; * h current level of the node; * inum item number in S[h]; * mode i - insert, p - paste; * Returns: 1 - schedule occured; * 0 - balancing for higher levels needed; * -1 - no balancing for higher levels needed; * -2 - no disk space. */ /* ip means Inserting or Pasting */ static int ip_check_balance( /*struct reiserfs_transaction_handle *th, */ struct tree_balance *tb, int h) { struct virtual_node *vn = tb->tb_vn; int levbytes, /* Number of bytes that must be inserted into (value is negative if bytes are deleted) buffer which contains node being balanced. The mnemonic is that the attempted change in node space used level is levbytes bytes. */ n_ret_value; int lfree, sfree, rfree /* free space in L, S and R */ ; /* nver is short for number of vertices, and lnver is the number if we shift to the left, rnver is the number if we shift to the right, and lrnver is the number if we shift in both directions. The goal is to minimize first the number of vertices, and second, the number of vertices whose contents are changed by shifting, and third the number of uncached vertices whose contents are changed by shifting and must be read from disk. */ int nver, lnver, rnver, lrnver; /* used at leaf level only, S0 = S[0] is the node being balanced, sInum [ I = 0,1,2 ] is the number of items that will remain in node SI after balancing. S1 and S2 are new nodes that might be created. */ /* we perform 8 calls to get_num_ver(). For each call we calculate five parameters. where 4th parameter is s1bytes and 5th - s2bytes */ short snum012[40] = { 0, }; /* s0num, s1num, s2num for 8 cases 0,1 - do not shift and do not shift but bottle 2 - shift only whole item to left 3 - shift to left and bottle as much as possible 4,5 - shift to right (whole items and as much as possible 6,7 - shift to both directions (whole items and as much as possible) */ /* Sh is the node whose balance is currently being checked */ struct buffer_head *Sh; /* special mode for insert pointer to the most low internal node */ if (h == 0 && vn->vn_mode == M_INTERNAL) { /* blk_num == 2 is to get pointer inserted to the next level */ set_parameters(tb, h, 0, 0, 2, NULL, -1, -1); return 0; } Sh = PATH_H_PBUFFER(tb->tb_path, h); levbytes = tb->insert_size[h]; /* Calculate balance parameters for creating new root. */ if (!Sh) { if (!h) reiserfs_panic ("vs-8210: ip_check_balance: S[0] can not be 0"); switch (n_ret_value = get_empty_nodes(tb, h)) { case CARRY_ON: set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; /* no balancing for higher levels needed */ case NO_DISK_SPACE: return n_ret_value; default: reiserfs_panic ("vs-8215: ip_check_balance: incorrect return value of get_empty_nodes"); } } if ((n_ret_value = get_parents(tb, h)) != CARRY_ON) /* get parents of S[h] neighbors. */ return n_ret_value; sfree = get_blkh_free_space(B_BLK_HEAD(Sh)); /* get free space of neighbors */ rfree = get_rfree(tb, h); lfree = get_lfree(tb, h); if (can_node_be_removed(vn->vn_mode, lfree, sfree, rfree, tb, h) == NO_BALANCING_NEEDED) /* and new item fits into node S[h] without any shifting */ return NO_BALANCING_NEEDED; create_virtual_node(tb, h); /* determine maximal number of items we can shift to the left neighbor (in tb structure) and the maximal number of bytes that can flow to the left neighbor from the left most liquid item that cannot be shifted from S[0] entirely (returned value) */ check_left(tb, h, lfree); /* determine maximal number of items we can shift to the right neighbor (in tb structure) and the maximal number of bytes that can flow to the right neighbor from the right most liquid item that cannot be shifted from S[0] entirely (returned value) */ check_right(tb, h, rfree); /* all contents of internal node S[h] can be moved into its neighbors, S[h] will be removed after balancing */ if (h && (tb->rnum[h] + tb->lnum[h] >= vn->vn_nr_item + 1)) { int to_r; /* Since we are working on internal nodes, and our internal nodes have fixed size entries, then we can balance by the number of items rather than the space they consume. In this routine we set the left node equal to the right node, allowing a difference of less than or equal to 1 child pointer. */ to_r = ((MAX_NR_KEY(Sh) << 1) + 2 - tb->lnum[h] - tb->rnum[h] + vn->vn_nr_item + 1) / 2 - (MAX_NR_KEY(Sh) + 1 - tb->rnum[h]); set_parameters(tb, h, vn->vn_nr_item + 1 - to_r, to_r, 0, NULL, -1, -1); return CARRY_ON; } /* all contents of S[0] can be moved into its neighbors S[0] will be removed after balancing. */ if (!h && is_leaf_removable(tb)) return CARRY_ON; /* why do we perform this check here rather than earlier?? Answer: we can win 1 node in some cases above. Moreover we checked it above, when we checked, that S[0] is not removable in principle */ if (sfree >= levbytes) { /* new item fits into node S[h] without any shifting */ if (!h) tb->s0num = vn->vn_nr_item; set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; } { int lpar, rpar, nset, lset, rset, lrset; /* * regular overflowing of the node */ /* get_num_ver works in 2 modes (FLOW & NO_FLOW) lpar, rpar - number of items we can shift to left/right neighbor (including splitting item) nset, lset, rset, lrset - shows, whether flowing items give better packing */ #define FLOW 1 #define NO_FLOW 0 /* do not any splitting */ /* we choose one the following */ #define NOTHING_SHIFT_NO_FLOW 0 #define NOTHING_SHIFT_FLOW 5 #define LEFT_SHIFT_NO_FLOW 10 #define LEFT_SHIFT_FLOW 15 #define RIGHT_SHIFT_NO_FLOW 20 #define RIGHT_SHIFT_FLOW 25 #define LR_SHIFT_NO_FLOW 30 #define LR_SHIFT_FLOW 35 lpar = tb->lnum[h]; rpar = tb->rnum[h]; /* calculate number of blocks S[h] must be split into when nothing is shifted to the neighbors, as well as number of items in each part of the split node (s012 numbers), and number of bytes (s1bytes) of the shared drop which flow to S1 if any */ nset = NOTHING_SHIFT_NO_FLOW; nver = get_num_ver(vn->vn_mode, tb, h, 0, -1, h ? vn->vn_nr_item : 0, -1, snum012, NO_FLOW); if (!h) { int nver1; /* note, that in this case we try to bottle between S[0] and S1 (S1 - the first new node) */ nver1 = get_num_ver(vn->vn_mode, tb, h, 0, -1, 0, -1, snum012 + NOTHING_SHIFT_FLOW, FLOW); if (nver > nver1) nset = NOTHING_SHIFT_FLOW, nver = nver1; } /* calculate number of blocks S[h] must be split into when l_shift_num first items and l_shift_bytes of the right most liquid item to be shifted are shifted to the left neighbor, as well as number of items in each part of the split node (s012 numbers), and number of bytes (s1bytes) of the shared drop which flow to S1 if any */ lset = LEFT_SHIFT_NO_FLOW; lnver = get_num_ver(vn->vn_mode, tb, h, lpar - ((h || tb->lbytes == -1) ? 0 : 1), -1, h ? vn->vn_nr_item : 0, -1, snum012 + LEFT_SHIFT_NO_FLOW, NO_FLOW); if (!h) { int lnver1; lnver1 = get_num_ver(vn->vn_mode, tb, h, lpar - ((tb->lbytes != -1) ? 1 : 0), tb->lbytes, 0, -1, snum012 + LEFT_SHIFT_FLOW, FLOW); if (lnver > lnver1) lset = LEFT_SHIFT_FLOW, lnver = lnver1; } /* calculate number of blocks S[h] must be split into when r_shift_num first items and r_shift_bytes of the left most liquid item to be shifted are shifted to the right neighbor, as well as number of items in each part of the splitted node (s012 numbers), and number of bytes (s1bytes) of the shared drop which flow to S1 if any */ rset = RIGHT_SHIFT_NO_FLOW; rnver = get_num_ver(vn->vn_mode, tb, h, 0, -1, h ? (vn->vn_nr_item - rpar) : (rpar - ((tb-> rbytes != -1) ? 1 : 0)), -1, snum012 + RIGHT_SHIFT_NO_FLOW, NO_FLOW); if (!h) { int rnver1; rnver1 = get_num_ver(vn->vn_mode, tb, h, 0, -1, (rpar - ((tb->rbytes != -1) ? 1 : 0)), tb->rbytes, snum012 + RIGHT_SHIFT_FLOW, FLOW); if (rnver > rnver1) rset = RIGHT_SHIFT_FLOW, rnver = rnver1; } /* calculate number of blocks S[h] must be split into when items are shifted in both directions, as well as number of items in each part of the splitted node (s012 numbers), and number of bytes (s1bytes) of the shared drop which flow to S1 if any */ lrset = LR_SHIFT_NO_FLOW; lrnver = get_num_ver(vn->vn_mode, tb, h, lpar - ((h || tb->lbytes == -1) ? 0 : 1), -1, h ? (vn->vn_nr_item - rpar) : (rpar - ((tb-> rbytes != -1) ? 1 : 0)), -1, snum012 + LR_SHIFT_NO_FLOW, NO_FLOW); if (!h) { int lrnver1; lrnver1 = get_num_ver(vn->vn_mode, tb, h, lpar - ((tb->lbytes != -1) ? 1 : 0), tb->lbytes, (rpar - ((tb->rbytes != -1) ? 1 : 0)), tb->rbytes, snum012 + LR_SHIFT_FLOW, FLOW); if (lrnver > lrnver1) lrset = LR_SHIFT_FLOW, lrnver = lrnver1; } /* Our general shifting strategy is: 1) to minimized number of new nodes; 2) to minimized number of neighbors involved in shifting; 3) to minimized number of disk reads; */ /* we can win TWO or ONE nodes by shifting in both directions */ if (lrnver < lnver && lrnver < rnver) { if (lrset == LR_SHIFT_FLOW) set_parameters(tb, h, tb->lnum[h], tb->rnum[h], lrnver, snum012 + lrset, tb->lbytes, tb->rbytes); else set_parameters(tb, h, tb->lnum[h] - ((tb->lbytes == -1) ? 0 : 1), tb->rnum[h] - ((tb->rbytes == -1) ? 0 : 1), lrnver, snum012 + lrset, -1, -1); return CARRY_ON; } /* if shifting doesn't lead to better packing then don't shift */ if (nver == lrnver) { set_parameters(tb, h, 0, 0, nver, snum012 + nset, -1, -1); return CARRY_ON; } /* now we know that for better packing shifting in only one direction either to the left or to the right is required */ /* if shifting to the left is better than shifting to the right */ if (lnver < rnver) { SET_PAR_SHIFT_LEFT; return CARRY_ON; } /* if shifting to the right is better than shifting to the left */ if (lnver > rnver) { SET_PAR_SHIFT_RIGHT; return CARRY_ON; } /* now shifting in either direction gives the same number of nodes and we can make use of the cached neighbors */ if (is_left_neighbor_in_cache(tb, h)) { SET_PAR_SHIFT_LEFT; return CARRY_ON; } /* shift to the right independently on whether the right neighbor in cache or not */ SET_PAR_SHIFT_RIGHT; return CARRY_ON; } } /* Check whether current node S[h] is balanced when Decreasing its size by * Deleting or Cutting for INTERNAL node of internal tree. * Calculate parameters for balancing for current level h. * Parameters: * tb tree_balance structure; * h current level of the node; * inum item number in S[h]; * mode i - insert, p - paste; * Returns: 1 - schedule occured; * 0 - balancing for higher levels needed; * -1 - no balancing for higher levels needed; * -2 - no disk space. * * Note: Items of internal nodes have fixed size, so the balance condition for * the internal part of internal tree is as for the B-trees. */ static int dc_check_balance_internal(struct tree_balance *tb, int h) { struct virtual_node *vn = tb->tb_vn; /* Sh is the node whose balance is currently being checked, and Fh is its father. */ struct buffer_head *Sh, *Fh; int n_ret_value; int lfree, rfree /* free space in L and R */ ; Sh = PATH_H_PBUFFER(tb->tb_path, h); Fh = PATH_H_PPARENT(tb->tb_path, h); /* using tb->insert_size[h], which is negative in this case, create_virtual_node calculates: new_nr_item = number of items node would have if operation is performed without balancing (new_nr_item); */ create_virtual_node(tb, h); if (!Fh) { /* S[h] is the root. */ if (vn->vn_nr_item > 0) { set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; /* no balancing for higher levels needed */ } /* new_nr_item == 0. * Current root will be deleted resulting in * decrementing the tree height. */ set_parameters(tb, h, 0, 0, 0, NULL, -1, -1); return CARRY_ON; } if ((n_ret_value = get_parents(tb, h)) != CARRY_ON) return n_ret_value; /* get free space of neighbors */ rfree = get_rfree(tb, h); lfree = get_lfree(tb, h); /* determine maximal number of items we can fit into neighbors */ check_left(tb, h, lfree); check_right(tb, h, rfree); if (vn->vn_nr_item >= MIN_NR_KEY(Sh)) { /* Balance condition for the internal node is valid. In this case we * balance only if it leads to better packing. */ if (vn->vn_nr_item == MIN_NR_KEY(Sh)) { /* Here we join S[h] with one of its neighbors, which is * impossible with greater values of new_nr_item. */ if (tb->lnum[h] >= vn->vn_nr_item + 1) { /* All contents of S[h] can be moved to L[h]. */ int n; int order_L; order_L = ((n = PATH_H_B_ITEM_ORDER(tb->tb_path, h)) == 0) ? B_NR_ITEMS(tb->FL[h]) : n - 1; n = get_dc_child_size(B_N_CHILD (tb->FL[h], order_L)) / (DC_SIZE + KEY_SIZE); set_parameters(tb, h, -n - 1, 0, 0, NULL, -1, -1); return CARRY_ON; } if (tb->rnum[h] >= vn->vn_nr_item + 1) { /* All contents of S[h] can be moved to R[h]. */ int n; int order_R; order_R = ((n = PATH_H_B_ITEM_ORDER(tb->tb_path, h)) == B_NR_ITEMS(Fh)) ? 0 : n + 1; n = get_dc_child_size(B_N_CHILD (tb->FR[h], order_R)) / (DC_SIZE + KEY_SIZE); set_parameters(tb, h, 0, -n - 1, 0, NULL, -1, -1); return CARRY_ON; } } if (tb->rnum[h] + tb->lnum[h] >= vn->vn_nr_item + 1) { /* All contents of S[h] can be moved to the neighbors (L[h] & R[h]). */ int to_r; to_r = ((MAX_NR_KEY(Sh) << 1) + 2 - tb->lnum[h] - tb->rnum[h] + vn->vn_nr_item + 1) / 2 - (MAX_NR_KEY(Sh) + 1 - tb->rnum[h]); set_parameters(tb, h, vn->vn_nr_item + 1 - to_r, to_r, 0, NULL, -1, -1); return CARRY_ON; } /* Balancing does not lead to better packing. */ set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; } /* Current node contain insufficient number of items. Balancing is required. Check whether we can merge S[h] with left neighbor. */ if (tb->lnum[h] >= vn->vn_nr_item + 1) if (is_left_neighbor_in_cache(tb, h) || tb->rnum[h] < vn->vn_nr_item + 1 || !tb->FR[h]) { int n; int order_L; order_L = ((n = PATH_H_B_ITEM_ORDER(tb->tb_path, h)) == 0) ? B_NR_ITEMS(tb->FL[h]) : n - 1; n = get_dc_child_size(B_N_CHILD(tb->FL[h], order_L)) / (DC_SIZE + KEY_SIZE); set_parameters(tb, h, -n - 1, 0, 0, NULL, -1, -1); return CARRY_ON; } /* Check whether we can merge S[h] with right neighbor. */ if (tb->rnum[h] >= vn->vn_nr_item + 1) { int n; int order_R; order_R = ((n = PATH_H_B_ITEM_ORDER(tb->tb_path, h)) == B_NR_ITEMS(Fh)) ? 0 : (n + 1); n = get_dc_child_size(B_N_CHILD(tb->FR[h], order_R)) / (DC_SIZE + KEY_SIZE); set_parameters(tb, h, 0, -n - 1, 0, NULL, -1, -1); return CARRY_ON; } /* All contents of S[h] can be moved to the neighbors (L[h] & R[h]). */ if (tb->rnum[h] + tb->lnum[h] >= vn->vn_nr_item + 1) { int to_r; to_r = ((MAX_NR_KEY(Sh) << 1) + 2 - tb->lnum[h] - tb->rnum[h] + vn->vn_nr_item + 1) / 2 - (MAX_NR_KEY(Sh) + 1 - tb->rnum[h]); set_parameters(tb, h, vn->vn_nr_item + 1 - to_r, to_r, 0, NULL, -1, -1); return CARRY_ON; } /* For internal nodes try to borrow item from a neighbor */ /* Borrow one or two items from caching neighbor */ if (is_left_neighbor_in_cache(tb, h) || !tb->FR[h]) { int from_l; from_l = (MAX_NR_KEY(Sh) + 1 - tb->lnum[h] + vn->vn_nr_item + 1) / 2 - (vn->vn_nr_item + 1); set_parameters(tb, h, -from_l, 0, 1, NULL, -1, -1); return CARRY_ON; } set_parameters(tb, h, 0, -((MAX_NR_KEY(Sh) + 1 - tb->rnum[h] + vn->vn_nr_item + 1) / 2 - (vn->vn_nr_item + 1)), 1, NULL, -1, -1); return CARRY_ON; } /* Check whether current node S[h] is balanced when Decreasing its size by * Deleting or Truncating for LEAF node of internal tree. * Calculate parameters for balancing for current level h. * Parameters: * tb tree_balance structure; * h current level of the node; * inum item number in S[h]; * mode i - insert, p - paste; * Returns: 1 - schedule occured; * 0 - balancing for higher levels needed; * -1 - no balancing for higher levels needed; * -2 - no disk space. */ static int dc_check_balance_leaf(struct tree_balance *tb, int h) { struct virtual_node *vn = tb->tb_vn; /* the maximal item size */ int n_ret_value; /* F0 is the parent of the node whose balance is currently being checked */ struct buffer_head *F0; int lfree, rfree /* free space in L and R */ ; F0 = PATH_H_PPARENT(tb->tb_path, 0); if (!F0) { /* S[0] is the root now. */ set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; } if ((n_ret_value = get_parents(tb, h)) != CARRY_ON) return n_ret_value; /* get free space of neighbors */ rfree = get_rfree(tb, h); lfree = get_lfree(tb, h); create_virtual_node(tb, h); /* if 3 leaves can be merge to one, set parameters and return */ if (are_leaves_removable(tb, lfree, rfree)) return CARRY_ON; /* determine maximal number of items we can shift to the left/right neighbor and the maximal number of bytes that can flow to the left/right neighbor from the left/right most liquid item that cannot be shifted from S[0] entirely */ check_left(tb, h, lfree); check_right(tb, h, rfree); /* check whether we can merge S with left neighbor. */ if (tb->lnum[0] >= vn->vn_nr_item && tb->lbytes == -1) if (is_left_neighbor_in_cache(tb, h) || ((tb->rnum[0] - ((tb->rbytes == -1) ? 0 : 1)) < vn->vn_nr_item) || /* S can not be merged with R */ !tb->FR[h]) { /* set parameter to merge S[0] with its left neighbor */ set_parameters(tb, h, -1, 0, 0, NULL, -1, -1); return CARRY_ON; } /* check whether we can merge S[0] with right neighbor. */ if (tb->rnum[0] >= vn->vn_nr_item && tb->rbytes == -1) { set_parameters(tb, h, 0, -1, 0, NULL, -1, -1); return CARRY_ON; } /* All contents of S[0] can be moved to the neighbors (L[0] & R[0]). Set parameters and return */ if (is_leaf_removable(tb)) return CARRY_ON; /* Balancing is not required. */ tb->s0num = vn->vn_nr_item; set_parameters(tb, h, 0, 0, 1, NULL, -1, -1); return NO_BALANCING_NEEDED; } /* Check whether current node S[h] is balanced when Decreasing its size by * Deleting or Cutting. * Calculate parameters for balancing for current level h. * Parameters: * tb tree_balance structure; * h current level of the node; * inum item number in S[h]; * mode d - delete, c - cut. * Returns: 1 - schedule occured; * 0 - balancing for higher levels needed; * -1 - no balancing for higher levels needed; * -2 - no disk space. */ static int dc_check_balance(struct tree_balance *tb, int h) { if (h) return dc_check_balance_internal(tb, h); else return dc_check_balance_leaf(tb, h); } /* Check whether current node S[h] is balanced. * Calculate parameters for balancing for current level h. * Parameters: * * tb tree_balance structure: * * tb is a large structure that must be read about in the header file * at the same time as this procedure if the reader is to successfully * understand this procedure * * h current level of the node; * inum item number in S[h]; * mode i - insert, p - paste, d - delete, c - cut. * Returns: 1 - schedule occured; * 0 - balancing for higher levels needed; * -1 - no balancing for higher levels needed; * -2 - no disk space. */ static int check_balance(int mode, struct tree_balance *tb, int h, int inum, int pos_in_item, struct item_head *ins_ih) { struct virtual_node *vn; vn = tb->tb_vn = (struct virtual_node *)(tb->vn_buf); // + ROUND_UP(SB_BMAP_NR (tb->tb_fs) * 2 / 8 + 1, 4)); vn->vn_free_ptr = (char *)(tb->tb_vn + 1); vn->vn_mode = mode; vn->vn_affected_item_num = inum; vn->vn_pos_in_item = pos_in_item; vn->vn_ins_ih = ins_ih; if (tb->insert_size[h] > 0) /* Calculate balance parameters when size of node is increasing. */ return ip_check_balance(tb, h); /* Calculate balance parameters when size of node is decreasing. */ return dc_check_balance(tb, h); } /* Check whether parent at the path is the really parent of the current node.*/ static void get_direct_parent(struct tree_balance *p_s_tb, int n_h) { struct buffer_head *p_s_bh; struct reiserfs_path *p_s_path = p_s_tb->tb_path; int n_position, n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h); /* We are in the root or in the new root. */ if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) { struct reiserfs_super_block *sb; if (n_path_offset < FIRST_PATH_ELEMENT_OFFSET - 1) reiserfs_panic ("PAP-8260: get_direct_parent: illegal offset in the path"); sb = p_s_tb->tb_fs->fs_ondisk_sb; if (PATH_OFFSET_PBUFFER(p_s_path, FIRST_PATH_ELEMENT_OFFSET)-> b_blocknr == get_sb_root_block(sb)) { /* Root is not changed. */ PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1) = NULL; PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1) = 0; return; } reiserfs_panic("get_direct_parent: root changed"); } if (!B_IS_IN_TREE (p_s_bh = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))) reiserfs_panic ("get_direct_parent: parent in the path is not in the tree"); if ((n_position = PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1)) > B_NR_ITEMS(p_s_bh)) reiserfs_panic("get_direct_parent: wrong position in the path"); if (get_dc_child_blocknr(B_N_CHILD(p_s_bh, n_position)) != PATH_OFFSET_PBUFFER(p_s_path, n_path_offset)->b_blocknr) reiserfs_panic ("get_direct_parent: parent in the path is not parent " "of the current node in the tree"); return; /* Parent in the path is unlocked and really parent of the current node. */ } /* Using lnum[n_h] and rnum[n_h] we should determine what neighbors * of S[n_h] we * need in order to balance S[n_h], and get them if necessary. * Returns: SCHEDULE_OCCURRED - schedule occured while the function worked; * CARRY_ON - schedule didn't occur while the function worked; */ static int get_neighbors(struct tree_balance *p_s_tb, int n_h) { int n_child_position, n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h + 1); unsigned long n_son_number; reiserfs_filsys_t fs = p_s_tb->tb_fs; struct buffer_head *p_s_bh; /*struct virtual_node * vn = p_s_tb->tb_vn; */ if (p_s_tb->lnum[n_h]) { /* We need left neighbor to balance S[n_h]. */ p_s_bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset); n_child_position = (p_s_bh == p_s_tb->FL[n_h]) ? p_s_tb-> lkey[n_h] : get_blkh_nr_items(B_BLK_HEAD(p_s_tb->FL[n_h])); n_son_number = get_dc_child_blocknr(B_N_CHILD (p_s_tb->FL[n_h], n_child_position)); p_s_bh = bread(fs->fs_dev, n_son_number, fs->fs_blocksize); if (!p_s_bh) return IO_ERROR; brelse(p_s_tb->L[n_h]); p_s_tb->L[n_h] = p_s_bh; } if (p_s_tb->rnum[n_h]) { /* We need right neighbor to balance S[n_path_offset]. */ p_s_bh = PATH_OFFSET_PBUFFER(p_s_tb->tb_path, n_path_offset); n_child_position = (p_s_bh == p_s_tb->FR[n_h]) ? p_s_tb->rkey[n_h] + 1 : 0; n_son_number = get_dc_child_blocknr(B_N_CHILD (p_s_tb->FR[n_h], n_child_position)); p_s_bh = bread(fs->fs_dev, n_son_number, fs->fs_blocksize); if (!p_s_bh) return IO_ERROR; brelse(p_s_tb->R[n_h]); p_s_tb->R[n_h] = p_s_bh; } return CARRY_ON; } static int get_mem_for_virtual_node(struct tree_balance *tb) { tb->vn_buf = getmem(tb->tb_fs->fs_blocksize); return CARRY_ON; } static void free_virtual_node_mem(struct tree_balance *tb) { freemem(tb->vn_buf); } /* Prepare for balancing, that is * get all necessary parents, and neighbors; * analyze what and where should be moved; * get sufficient number of new nodes; * Balancing will start only after all resources will be collected at a time. * * When ported to SMP kernels, only at the last moment after all needed nodes * are collected in cache, will the resources be locked using the usual * textbook ordered lock acquisition algorithms. Note that ensuring that * this code neither write locks what it does not need to write lock nor locks out of order * will be a pain in the butt that could have been avoided. Grumble grumble. -Hans * * fix is meant in the sense of render unchanging * * Latency might be improved by first gathering a list of what buffers are needed * and then getting as many of them in parallel as possible? -Hans * * Parameters: * op_mode i - insert, d - delete, c - cut (truncate), p - paste (append) * tb tree_balance structure; * inum item number in S[h]; * pos_in_item - comment this if you can * ins_ih & ins_sd are used when inserting * Returns: 1 - schedule occurred while the function worked; * 0 - schedule didn't occur while the function worked; * -1 - if no_disk_space */ int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, struct item_head *p_s_ins_ih) { int n_pos_in_item = p_s_tb->tb_path->pos_in_item; int n_ret_value, n_h, n_item_num = get_item_pos(p_s_tb->tb_path); /* struct buffer_head * p_s_tbS0 = get_bh (p_s_tb->tb_path); */ /* struct item_head * ih = get_ih (p_s_tb->tb_path); */ if (get_mem_for_virtual_node(p_s_tb) != CARRY_ON) reiserfs_panic("fix_nodes: no memory for virtual node"); /* Starting from the leaf level; for all levels n_h of the tree. */ for (n_h = 0; n_h < MAX_HEIGHT && p_s_tb->insert_size[n_h]; n_h++) { get_direct_parent(p_s_tb, n_h); if ((n_ret_value = check_balance( /*th, */ n_op_mode, p_s_tb, n_h, n_item_num, n_pos_in_item, p_s_ins_ih)) != CARRY_ON) { if (n_ret_value == NO_BALANCING_NEEDED) { /* No balancing for higher levels needed. */ if ((n_ret_value = get_neighbors(p_s_tb, n_h)) != CARRY_ON) { return n_ret_value; } if (n_h != MAX_HEIGHT - 1) p_s_tb->insert_size[n_h + 1] = 0; /* ok, analysis and resource gathering are complete */ break; } return n_ret_value; } if ((n_ret_value = get_neighbors(p_s_tb, n_h)) != CARRY_ON) { return n_ret_value; } if ((n_ret_value = get_empty_nodes( /*th, */ p_s_tb, n_h)) != CARRY_ON) { return n_ret_value; /* No disk space */ } if (!PATH_H_PBUFFER(p_s_tb->tb_path, n_h)) { /* We have a positive insert size but no nodes exist on this level, this means that we are creating a new root. */ if (n_h < MAX_HEIGHT - 1) p_s_tb->insert_size[n_h + 1] = 0; } else if (!PATH_H_PBUFFER(p_s_tb->tb_path, n_h + 1)) { if (p_s_tb->blknum[n_h] > 1) { /* The tree needs to be grown, so this node S[n_h] which is the root node is split into two nodes, and a new node (S[n_h+1]) will be created to become the root node. */ p_s_tb->insert_size[n_h + 1] = (DC_SIZE + KEY_SIZE) * (p_s_tb->blknum[n_h] - 1) + DC_SIZE; } else if (n_h < MAX_HEIGHT - 1) p_s_tb->insert_size[n_h + 1] = 0; } else p_s_tb->insert_size[n_h + 1] = (DC_SIZE + KEY_SIZE) * (p_s_tb->blknum[n_h] - 1); } return CARRY_ON; /* go ahead and balance */ } void unfix_nodes(struct tree_balance *p_s_tb) { struct reiserfs_path *p_s_path = p_s_tb->tb_path; int n_counter; // int i, j; //struct buffer_head * bh; /* Release path buffers. */ pathrelse(p_s_path); for (n_counter = 0; n_counter < MAX_HEIGHT; n_counter++) { /* Release fathers and neighbors. */ brelse(p_s_tb->L[n_counter]); brelse(p_s_tb->R[n_counter]); brelse(p_s_tb->FL[n_counter]); brelse(p_s_tb->FR[n_counter]); brelse(p_s_tb->CFL[n_counter]); brelse(p_s_tb->CFR[n_counter]); } /* Could be optimized. Will be done by PAP someday */ for (n_counter = 0; n_counter < MAX_FEB_SIZE; n_counter++) { if (p_s_tb->FEB[n_counter]) { /* release what was not used */ reiserfs_free_block(p_s_tb->tb_fs, p_s_tb->FEB[n_counter]->b_blocknr); bforget(p_s_tb->FEB[n_counter]); /* tree balance bitmap of bitmaps has bit set already */ } /* release used as new nodes including a new root */ brelse(p_s_tb->used[n_counter]); } free_virtual_node_mem(p_s_tb); } reiserfsprogs-3.6.25/reiserfscore/hashes.c0000644000175000001440000001004612206770175015543 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* * Keyed 32-bit hash function using TEA in a Davis-Meyer function * H0 = Key * Hi = E Mi(Hi-1) + Hi-1 * * (see Applied Cryptography, 2nd edition, p448). * * Jeremy Fitzhardinge 1998 * * Jeremy has agreed to the contents of reiserfs/README. -Hans * Yura's function is added (04/07/2000) */ // // keyed_hash // yura_hash // r5 // #include #define DELTA 0x9E3779B9 #define FULLROUNDS 10 /* 32 is overkill, 16 is strong crypto */ #define PARTROUNDS 6 /* 6 gets complete mixing */ #ifndef __KERNEL__ typedef __u32 u32; #endif /* a, b, c, d - data; h0, h1 - accumulated hash */ #define TEACORE(rounds) \ do { \ u32 sum = 0; \ int n = rounds; \ u32 b0, b1; \ \ b0 = h0; \ b1 = h1; \ \ do \ { \ sum += DELTA; \ b0 += ((b1 << 4)+a) ^ (b1+sum) ^ ((b1 >> 5)+b); \ b1 += ((b0 << 4)+c) ^ (b0+sum) ^ ((b0 >> 5)+d); \ } while(--n); \ \ h0 += b0; \ h1 += b1; \ } while(0) u32 keyed_hash(const signed char *msg, int len) { u32 k[] = { 0x9464a485, 0x542e1a94, 0x3e846bff, 0xb75bcfc3 }; u32 h0 = k[0], h1 = k[1]; u32 a, b, c, d; u32 pad; int i; pad = (u32) len | ((u32) len << 8); pad |= pad << 16; while (len >= 16) { a = (u32) msg[0] | (u32) msg[1] << 8 | (u32) msg[2] << 16 | (u32) msg[3] << 24; b = (u32) msg[4] | (u32) msg[5] << 8 | (u32) msg[6] << 16 | (u32) msg[7] << 24; c = (u32) msg[8] | (u32) msg[9] << 8 | (u32) msg[10] << 16 | (u32) msg[11] << 24; d = (u32) msg[12] | (u32) msg[13] << 8 | (u32) msg[14] << 16 | (u32) msg[15] << 24; TEACORE(PARTROUNDS); len -= 16; msg += 16; } if (len >= 12) { if (len >= 16) *(int *)0 = 0; a = (u32) msg[0] | (u32) msg[1] << 8 | (u32) msg[2] << 16 | (u32) msg[3] << 24; b = (u32) msg[4] | (u32) msg[5] << 8 | (u32) msg[6] << 16 | (u32) msg[7] << 24; c = (u32) msg[8] | (u32) msg[9] << 8 | (u32) msg[10] << 16 | (u32) msg[11] << 24; d = pad; for (i = 12; i < len; i++) { d <<= 8; d |= msg[i]; } } else if (len >= 8) { if (len >= 12) *(int *)0 = 0; a = (u32) msg[0] | (u32) msg[1] << 8 | (u32) msg[2] << 16 | (u32) msg[3] << 24; b = (u32) msg[4] | (u32) msg[5] << 8 | (u32) msg[6] << 16 | (u32) msg[7] << 24; c = d = pad; for (i = 8; i < len; i++) { c <<= 8; c |= msg[i]; } } else if (len >= 4) { if (len >= 8) *(int *)0 = 0; a = (u32) msg[0] | (u32) msg[1] << 8 | (u32) msg[2] << 16 | (u32) msg[3] << 24; b = c = d = pad; for (i = 4; i < len; i++) { b <<= 8; b |= msg[i]; } } else { if (len >= 4) *(int *)0 = 0; a = b = c = d = pad; for (i = 0; i < len; i++) { a <<= 8; a |= msg[i]; } } TEACORE(FULLROUNDS); return h0 ^ h1; } u32 yura_hash(const signed char *msg, int len) { int j, pow; u32 a, c; int i; for (pow = 1, i = 1; i < len; i++) pow = pow * 10; if (len == 1) a = msg[0] - 48; else a = (msg[0] - 48) * pow; for (i = 1; i < len; i++) { c = msg[i] - 48; for (pow = 1, j = i; j < len - 1; j++) pow = pow * 10; a = a + c * pow; } for (; i < 40; i++) { c = '0' - 48; for (pow = 1, j = i; j < len - 1; j++) pow = pow * 10; a = a + c * pow; } for (; i < 256; i++) { c = i; for (pow = 1, j = i; j < len - 1; j++) pow = pow * 10; a = a + c * pow; } a = a << 7; return a; } u32 r5_hash(const signed char *msg, int len) { u32 a = 0; int i; for (i = 0; i < len; i++) { a += msg[i] << 4; a += msg[i] >> 4; a *= 11; } return a; } #if 0 #include int main(void) { char *name = 0; size_t n = 0; while (1) { getline(&name, &n, stdin); if (!strcmp(name, "\n")) break; name[strlen(name) - 1] = 0; printf("tea %lu\n, r5 %lu\nyura %lu\n", keyed_hash(name, strlen(name)) & 0x7fffff80, r5_hash(name, strlen(name)) & 0x7fffff80, yura_hash(name, strlen(name)) & 0x7fffff80); free(name); name = 0; n = 0; } } #endif reiserfsprogs-3.6.25/reiserfscore/ibalance.c0000644000175000001440000006744012725331715016037 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "includes.h" /* modes of internal_shift_left, internal_shift_right and internal_insert_childs */ #define INTERNAL_SHIFT_FROM_S_TO_L 0 #define INTERNAL_SHIFT_FROM_R_TO_S 1 #define INTERNAL_SHIFT_FROM_L_TO_S 2 #define INTERNAL_SHIFT_FROM_S_TO_R 3 #define INTERNAL_INSERT_TO_S 4 #define INTERNAL_INSERT_TO_L 5 #define INTERNAL_INSERT_TO_R 6 static void internal_define_dest_src_infos(int shift_mode, struct tree_balance *tb, int h, struct buffer_info *dest_bi, struct buffer_info *src_bi, int *d_key, struct buffer_head **cf) { /* define dest, src, dest parent, dest position */ switch (shift_mode) { case INTERNAL_SHIFT_FROM_S_TO_L: /* used in internal_shift_left */ buffer_info_init_tbSh(tb, src_bi, h); buffer_info_init_left(tb, dest_bi, h); *d_key = tb->lkey[h]; *cf = tb->CFL[h]; break; case INTERNAL_SHIFT_FROM_L_TO_S: buffer_info_init_left(tb, src_bi, h); buffer_info_init_tbSh(tb, dest_bi, h); *d_key = tb->lkey[h]; *cf = tb->CFL[h]; break; case INTERNAL_SHIFT_FROM_R_TO_S: /* used in internal_shift_left */ buffer_info_init_right(tb, src_bi, h); buffer_info_init_tbSh(tb, dest_bi, h); *d_key = tb->rkey[h]; *cf = tb->CFR[h]; break; case INTERNAL_SHIFT_FROM_S_TO_R: buffer_info_init_tbSh(tb, src_bi, h); buffer_info_init_right(tb, dest_bi, h); *d_key = tb->rkey[h]; *cf = tb->CFR[h]; break; case INTERNAL_INSERT_TO_L: buffer_info_init_left(tb, dest_bi, h); break; case INTERNAL_INSERT_TO_S: buffer_info_init_tbSh(tb, dest_bi, h); break; case INTERNAL_INSERT_TO_R: buffer_info_init_right(tb, dest_bi, h); break; default: reiserfs_panic("internal_define_dest_src_infos", "shift type is unknown (%d)", shift_mode); } } /* Insert 'count' node pointers into buffer cur before position 'to' + 1. * Insert count items into buffer cur before position to. * Items and node pointers are specified by inserted and bh respectively. */ static void internal_insert_childs(struct buffer_info *cur_bi, int to, int count, struct item_head *inserted, struct buffer_head **bh) { struct buffer_head *cur = cur_bi->bi_bh; struct block_head *blkh; int nr; struct reiserfs_key *key; struct disk_child new_dc[2]; struct disk_child *dc; int i; int from; if (count <= 0) return; blkh = B_BLK_HEAD(cur); nr = get_blkh_nr_items(blkh); /* prepare space for count disk_child */ dc = B_N_CHILD(cur, to + 1); memmove(dc + count, dc, (nr + 1 - (to + 1)) * DC_SIZE); /* make disk child array for insertion */ for (i = 0; i < count; i++) { set_dc(new_dc + i, MAX_CHILD_SIZE(bh[i]->b_size) - get_blkh_free_space(B_BLK_HEAD(bh[i])), bh[i]->b_blocknr); /* set_dc_child_size (new_dc + i, MAX_CHILD_SIZE(bh[i]->b_size) - get_blkh_free_space (B_BLK_HEAD (bh[i]))); set_dc_child_blocknr (new_dc + i, bh[i]->b_blocknr); */ } memcpy(dc, new_dc, DC_SIZE * count); /* prepare space for 'count' items */ from = ((to == -1) ? 0 : to); key = internal_key(cur, from); memmove(key + count, key, (nr - from /*to */ ) * KEY_SIZE + (nr + 1 + count) * DC_SIZE); /* copy keys */ memcpy(key, inserted, KEY_SIZE); if (count > 1) memcpy(key + 1, inserted + 1, KEY_SIZE); /* sizes, item number */ set_blkh_nr_items(blkh, nr + count); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - count * (DC_SIZE + KEY_SIZE)); mark_buffer_dirty(cur); if (cur_bi->bi_parent) { dc = B_N_CHILD(cur_bi->bi_parent, cur_bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + count * (DC_SIZE + KEY_SIZE)); mark_buffer_dirty(cur_bi->bi_parent); } } /* Delete del_num items and node pointers from buffer cur starting from * * the first_i'th item and first_p'th pointers respectively. */ static void internal_delete_pointers_items(struct buffer_info *cur_bi, int first_p, int first_i, int del_num) { struct buffer_head *cur = cur_bi->bi_bh; int nr; struct block_head *blkh; struct reiserfs_key *key; struct disk_child *dc; if (del_num == 0) return; blkh = B_BLK_HEAD(cur); nr = get_blkh_nr_items(blkh); if (first_p == 0 && del_num == nr + 1) { make_empty_node(cur_bi); return; } /* deleting */ dc = B_N_CHILD(cur, first_p); memmove(dc, dc + del_num, (nr + 1 - first_p - del_num) * DC_SIZE); key = internal_key(cur, first_i); memmove(key, key + del_num, (nr - first_i - del_num) * KEY_SIZE + (nr + 1 - del_num) * DC_SIZE); /* sizes, item number */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) - del_num); set_blkh_free_space(blkh, get_blkh_free_space(blkh) + del_num * (KEY_SIZE + DC_SIZE)); mark_buffer_dirty(cur); if (cur_bi->bi_parent) { dc = B_N_CHILD(cur_bi->bi_parent, cur_bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) - del_num * (KEY_SIZE + DC_SIZE)); mark_buffer_dirty(cur_bi->bi_parent); } } /* delete n node pointers and items starting from given position */ static void internal_delete_childs(struct buffer_info *cur_bi, int from, int n) { int i_from = 0; if (from) i_from = from - 1; /* delete n pointers starting from `from' position in CUR; delete n keys starting from 'i_from' position in CUR; */ internal_delete_pointers_items(cur_bi, from, i_from, n); } /* copy cpy_num node pointers and cpy_num - 1 items from buffer src to buffer dest * last_first == FIRST_TO_LAST means, that we copy first items from src to tail of dest * last_first == LAST_TO_FIRST means, that we copy last items from src to head of dest */ static void internal_copy_pointers_items(struct buffer_info *dest_bi, struct buffer_head *src, int last_first, int cpy_num) { /* ATTENTION! Number of node pointers in DEST is equal to number of items in DEST * * as delimiting key have already inserted to buffer dest.*/ struct buffer_head *dest = dest_bi->bi_bh; int nr_dest, nr_src; int dest_order, src_order; struct block_head *blkh; struct reiserfs_key *key; struct disk_child *dc; nr_src = B_NR_ITEMS(src); if (cpy_num == 0) return; /* coping */ blkh = B_BLK_HEAD(dest); nr_dest = get_blkh_nr_items(blkh); /*dest_order = (last_first == LAST_TO_FIRST) ? 0 : nr_dest; */ /*src_order = (last_first == LAST_TO_FIRST) ? (nr_src - cpy_num + 1) : 0; */ (last_first == LAST_TO_FIRST) ? (dest_order = 0, src_order = nr_src - cpy_num + 1) : (dest_order = nr_dest, src_order = 0); /* prepare space for cpy_num pointers */ dc = B_N_CHILD(dest, dest_order); memmove(dc + cpy_num, dc, (nr_dest - dest_order) * DC_SIZE); /* insert pointers */ memcpy(dc, B_N_CHILD(src, src_order), DC_SIZE * cpy_num); /* prepare space for cpy_num - 1 item headers */ key = internal_key(dest, dest_order); memmove(key + cpy_num - 1, key, KEY_SIZE * (nr_dest - dest_order) + DC_SIZE * (nr_dest + cpy_num)); /* insert headers */ memcpy(key, internal_key(src, src_order), KEY_SIZE * (cpy_num - 1)); /* sizes, item number */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) + cpy_num - 1); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - (KEY_SIZE * (cpy_num - 1) + DC_SIZE * cpy_num)); mark_buffer_dirty(dest); if (dest_bi->bi_parent) { dc = B_N_CHILD(dest_bi->bi_parent, dest_bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + KEY_SIZE * (cpy_num - 1) + DC_SIZE * cpy_num); mark_buffer_dirty(dest_bi->bi_parent); } } /* Copy cpy_num node pointers and cpy_num - 1 items from buffer src to buffer dest. * Delete cpy_num - del_par items and node pointers from buffer src. * last_first == FIRST_TO_LAST means, that we copy/delete first items from src. * last_first == LAST_TO_FIRST means, that we copy/delete last items from src. */ static void internal_move_pointers_items(struct buffer_info *dest_bi, struct buffer_info *src_bi, int last_first, int cpy_num, int del_par) { int first_pointer; int first_item; internal_copy_pointers_items(dest_bi, src_bi->bi_bh, last_first, cpy_num); if (last_first == FIRST_TO_LAST) { /* shift_left occurs */ first_pointer = 0; first_item = 0; /* delete cpy_num - del_par pointers and keys starting for pointers with first_pointer, for key - with first_item */ internal_delete_pointers_items(src_bi, first_pointer, first_item, cpy_num - del_par); } else { /* shift_right occurs */ int i, j; i = (cpy_num - del_par == (j = B_NR_ITEMS(src_bi->bi_bh)) + 1) ? 0 : j - cpy_num + del_par; internal_delete_pointers_items(src_bi, j + 1 - cpy_num + del_par, i, cpy_num - del_par); } } /* Insert n_src'th key of buffer src before n_dest'th key of buffer dest. */ static void internal_insert_key(struct buffer_info *dest_bi, int dest_position_before, /* insert key before key with n_dest number */ struct buffer_head *src, int src_position) { struct buffer_head *dest = dest_bi->bi_bh; int nr; struct block_head *blkh; struct reiserfs_key *key; blkh = B_BLK_HEAD(dest); nr = get_blkh_nr_items(blkh); /* prepare space for inserting key */ key = internal_key(dest, dest_position_before); memmove(key + 1, key, (nr - dest_position_before) * KEY_SIZE + (nr + 1) * DC_SIZE); /* insert key */ memcpy(key, internal_key(src, src_position), KEY_SIZE); /* Change dirt, free space, item number fields. */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) + 1); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - KEY_SIZE); mark_buffer_dirty(dest); if (dest_bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(dest_bi->bi_parent, dest_bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + KEY_SIZE); mark_buffer_dirty(dest_bi->bi_parent); } } /* Insert d_key'th (delimiting) key from buffer cfl to tail of dest. * Copy pointer_amount node pointers and pointer_amount - 1 items from buffer src to buffer dest. * Replace d_key'th key in buffer cfl. * Delete pointer_amount items and node pointers from buffer src. */ /* this can be invoked both to shift from S to L and from R to S */ static void internal_shift_left(int mode, /* INTERNAL_FROM_S_TO_L | INTERNAL_FROM_R_TO_S */ struct tree_balance *tb, int h, int pointer_amount) { struct buffer_info dest_bi, src_bi; struct buffer_head *cf; int d_key_position; internal_define_dest_src_infos(mode, tb, h, &dest_bi, &src_bi, &d_key_position, &cf); /*printk("pointer_amount = %d\n",pointer_amount); */ if (pointer_amount) { /* insert delimiting key from common father of dest and src to node dest into position B_NR_ITEM(dest) */ internal_insert_key(&dest_bi, B_NR_ITEMS(dest_bi.bi_bh), cf, d_key_position); if (B_NR_ITEMS(src_bi.bi_bh) == pointer_amount - 1) { if (src_bi.bi_position /*src->b_item_order */ == 0) replace_key(tb->tb_fs, cf, d_key_position, src_bi. bi_parent /*src->b_parent */ , 0); } else replace_key(tb->tb_fs, cf, d_key_position, src_bi.bi_bh, pointer_amount - 1); } /* last parameter is del_parameter */ internal_move_pointers_items(&dest_bi, &src_bi, FIRST_TO_LAST, pointer_amount, 0); } /* Insert delimiting key to L[h]. * Copy n node pointers and n - 1 items from buffer S[h] to L[h]. * Delete n - 1 items and node pointers from buffer S[h]. */ /* it always shifts from S[h] to L[h] */ static void internal_shift1_left(struct tree_balance *tb, int h, int pointer_amount) { struct buffer_info dest_bi, src_bi; struct buffer_head *cf; int d_key_position; internal_define_dest_src_infos(INTERNAL_SHIFT_FROM_S_TO_L, tb, h, &dest_bi, &src_bi, &d_key_position, &cf); if (pointer_amount > 0) /* insert lkey[h]-th key from CFL[h] to left neighbor L[h] */ internal_insert_key(&dest_bi, B_NR_ITEMS(dest_bi.bi_bh), cf, d_key_position); /* last parameter is del_parameter */ internal_move_pointers_items(&dest_bi, &src_bi, FIRST_TO_LAST, pointer_amount, 1); } /* Insert d_key'th (delimiting) key from buffer cfr to head of dest. * Copy n node pointers and n - 1 items from buffer src to buffer dest. * Replace d_key'th key in buffer cfr. * Delete n items and node pointers from buffer src. */ static void internal_shift_right(int mode, /* INTERNAL_FROM_S_TO_R | INTERNAL_FROM_L_TO_S */ struct tree_balance *tb, int h, int pointer_amount) { struct buffer_info dest_bi, src_bi; struct buffer_head *cf; int d_key_position; int nr; internal_define_dest_src_infos(mode, tb, h, &dest_bi, &src_bi, &d_key_position, &cf); nr = B_NR_ITEMS(src_bi.bi_bh); if (pointer_amount > 0) { /* insert delimiting key from common father of dest and src to dest node into position 0 */ internal_insert_key(&dest_bi, 0, cf, d_key_position); if (nr == pointer_amount - 1) { /* when S[h] disappers replace left delemiting key as well */ if (tb->CFL[h]) replace_key(tb->tb_fs, cf, d_key_position, tb->CFL[h], tb->lkey[h]); } else replace_key(tb->tb_fs, cf, d_key_position, src_bi.bi_bh, nr - pointer_amount); } /* last parameter is del_parameter */ internal_move_pointers_items(&dest_bi, &src_bi, LAST_TO_FIRST, pointer_amount, 0); } /* Insert delimiting key to R[h]. * Copy n node pointers and n - 1 items from buffer S[h] to R[h]. * Delete n - 1 items and node pointers from buffer S[h]. */ /* it always shift from S[h] to R[h] */ static void internal_shift1_right(struct tree_balance *tb, int h, int pointer_amount) { struct buffer_info dest_bi, src_bi; struct buffer_head *cf; int d_key_position; internal_define_dest_src_infos(INTERNAL_SHIFT_FROM_S_TO_R, tb, h, &dest_bi, &src_bi, &d_key_position, &cf); if (pointer_amount > 0) /* insert rkey from CFR[h] to right neighbor R[h] */ internal_insert_key(&dest_bi, 0, cf, d_key_position); /* last parameter is del_parameter */ internal_move_pointers_items(&dest_bi, &src_bi, LAST_TO_FIRST, pointer_amount, 1); } /* Delete insert_num node pointers together with their left items * and balance current node.*/ static void balance_internal_when_delete(struct tree_balance *tb, int h, int child_pos) { int insert_num; int n; struct buffer_head *tbSh = PATH_H_PBUFFER(tb->tb_path, h); struct buffer_info bi; insert_num = tb->insert_size[h] / ((int)(DC_SIZE + KEY_SIZE)); /* delete child-node-pointer(s) together with their left item(s) */ buffer_info_init_tbSh(tb, &bi, h); internal_delete_childs(&bi, child_pos, -insert_num); n = B_NR_ITEMS(tbSh); if (tb->lnum[h] == 0 && tb->rnum[h] == 0) { if (tb->blknum[h] == 0) { /* node S[h] (root of the tree) is empty now */ struct buffer_head *new_root; struct reiserfs_super_block *sb; /* choose a new root */ if (!tb->L[h - 1] || !B_NR_ITEMS(tb->L[h - 1])) new_root = tb->R[h - 1]; else new_root = tb->L[h - 1]; /* update super block's tree height and pointer to a root block */ sb = tb->tb_fs->fs_ondisk_sb; set_sb_root_block(sb, new_root->b_blocknr); set_sb_tree_height(sb, get_sb_tree_height(sb) - 1); mark_buffer_dirty(tb->tb_fs->fs_super_bh); tb->tb_fs->fs_dirt = 1; /* mark buffer S[h] not uptodate and put it in free list */ reiserfs_invalidate_buffer(tb, tbSh); return; } return; } if (tb->L[h] && tb->lnum[h] == -B_NR_ITEMS(tb->L[h]) - 1) { /* join S[h] with L[h] */ internal_shift_left(INTERNAL_SHIFT_FROM_S_TO_L, tb, h, n + 1); /*tb->L[h], tb->CFL[h], tb->lkey[h], tb->S[h], n+1); */ reiserfs_invalidate_buffer(tb, tbSh); /* preserve not needed, internal, 1 mean free block */ return; } if (tb->R[h] && tb->rnum[h] == -B_NR_ITEMS(tb->R[h]) - 1) { /* join S[h] with R[h] */ internal_shift_right(INTERNAL_SHIFT_FROM_S_TO_R, tb, h, n + 1); reiserfs_invalidate_buffer(tb, tbSh); return; } if (tb->lnum[h] < 0) { /* borrow from left neighbor L[h] */ internal_shift_right(INTERNAL_SHIFT_FROM_L_TO_S, tb, h, -tb->lnum[h]); return; } if (tb->rnum[h] < 0) { /* borrow from right neighbor R[h] */ internal_shift_left(INTERNAL_SHIFT_FROM_R_TO_S, tb, h, -tb->rnum[h]); /*tb->S[h], tb->CFR[h], tb->rkey[h], tb->R[h], -tb->rnum[h]); */ return; } if (tb->lnum[h] > 0) { /* split S[h] into two parts and put them into neighbors */ internal_shift_left(INTERNAL_SHIFT_FROM_S_TO_L, tb, h, tb->lnum[h]); /*tb->L[h], tb->CFL[h], tb->lkey[h], tb->S[h], tb->lnum[h]); */ internal_shift_right(INTERNAL_SHIFT_FROM_S_TO_R, tb, h, tb->rnum[h]); reiserfs_invalidate_buffer(tb, tbSh); return; } reiserfs_panic("balance_internal_when_delete", "unexpected tb->lnum[%d]==%d or tb->rnum[%d]==%d", h, tb->lnum[h], h, tb->rnum[h]); } /* Replace delimiting key of buffers L[h] and S[h] by the given key.*/ void replace_lkey(struct tree_balance *tb, int h, struct item_head *key) { if (B_NR_ITEMS(PATH_H_PBUFFER(tb->tb_path, h)) == 0) return; memcpy(internal_key(tb->CFL[h], tb->lkey[h]), key, KEY_SIZE); mark_buffer_dirty(tb->CFL[h]); } /* Replace delimiting key of buffers S[h] and R[h] by the given key.*/ void replace_rkey(struct tree_balance *tb, int h, struct item_head *key) { memcpy(internal_key(tb->CFR[h], tb->rkey[h]), key, KEY_SIZE); mark_buffer_dirty(tb->CFR[h]); } int balance_internal(struct tree_balance *tb, /* tree_balance structure */ int h, /* level of the tree */ int child_pos, struct item_head *insert_key, /* key for insertion on higher level */ struct buffer_head **insert_ptr) { /* node for insertion on higher level */ /* if inserting/pasting { child_pos is the position of the node-pointer in S[h] that * pointed to S[h-1] before balancing of the h-1 level; * this means that new pointers and items must be inserted AFTER * child_pos } else { it is the position of the leftmost pointer that must be deleted (together with its corresponding key to the left of the pointer) as a result of the previous level's balancing. } */ struct buffer_head *tbSh = PATH_H_PBUFFER(tb->tb_path, h); struct buffer_info bi; int order; /* we return this: it is 0 if there is no S[h], else it is tb->S[h]->b_item_order */ int insert_num, n, k; struct buffer_head *S_new; struct item_head new_insert_key; struct buffer_head *new_insert_ptr = NULL; struct item_head *new_insert_key_addr = insert_key; order = (tbSh) ? PATH_H_POSITION(tb->tb_path, h + 1) /*tb->S[h]->b_item_order */ : 0; /* Using insert_size[h] calculate the number insert_num of items that must be inserted to or deleted from S[h]. */ insert_num = tb->insert_size[h] / ((int)(KEY_SIZE + DC_SIZE)); /* Check whether insert_num is proper * */ /* Make balance in case insert_num < 0 */ if (insert_num < 0) { balance_internal_when_delete(tb, h, child_pos); return order; } k = 0; if (tb->lnum[h] > 0) { /* shift lnum[h] items from S[h] to the left neighbor L[h]. check how many of new items fall into L[h] or CFL[h] after shifting */ n = get_blkh_nr_items(B_BLK_HEAD(tb->L[h])); /* number of items in L[h] */ if (tb->lnum[h] <= child_pos) { /* new items don't fall into L[h] or CFL[h] */ internal_shift_left(INTERNAL_SHIFT_FROM_S_TO_L, tb, h, tb->lnum[h]); child_pos -= tb->lnum[h]; } else if (tb->lnum[h] > child_pos + insert_num) { /* all new items fall into L[h] */ internal_shift_left(INTERNAL_SHIFT_FROM_S_TO_L, tb, h, tb->lnum[h] - insert_num); /* insert insert_num keys and node-pointers into L[h] */ buffer_info_init_left(tb, &bi, h); internal_insert_childs(&bi, n + child_pos + 1, insert_num, insert_key, insert_ptr); insert_num = 0; } else { struct disk_child *dc; /* some items fall into L[h] or CFL[h], but some don't fall */ internal_shift1_left(tb, h, child_pos + 1); /* calculate number of new items that fall into L[h] */ k = tb->lnum[h] - child_pos - 1; buffer_info_init_left(tb, &bi, h); internal_insert_childs(&bi, n + child_pos + 1, k, insert_key, insert_ptr); replace_lkey(tb, h, insert_key + k); /* replace the first node-ptr in S[h] by node-ptr to insert_ptr[k] */ dc = B_N_CHILD(tbSh, 0); set_dc(dc, MAX_CHILD_SIZE(insert_ptr[k]->b_size) - get_blkh_free_space(B_BLK_HEAD(insert_ptr[k])), insert_ptr[k]->b_blocknr); /* set_dc_child_size (dc, MAX_CHILD_SIZE(insert_ptr[k]->b_size) - get_blkh_free_space (B_BLK_HEAD(insert_ptr[k]))); set_dc_child_blocknr (dc, insert_ptr[k]->b_blocknr); */ mark_buffer_dirty(tbSh); k++; insert_key += k; insert_ptr += k; insert_num -= k; child_pos = 0; } } /* tb->lnum[h] > 0 */ if (tb->rnum[h] > 0) { /*shift rnum[h] items from S[h] to the right neighbor R[h] */ /* check how many of new items fall into R or CFR after shifting */ n = get_blkh_nr_items(B_BLK_HEAD(tbSh)); /* number of items in S[h] */ if (n - tb->rnum[h] >= child_pos) /* new items fall into S[h] */ /*internal_shift_right(tb,h,tbSh,tb->CFR[h],tb->rkey[h],tb->R[h],tb->rnum[h]); */ internal_shift_right(INTERNAL_SHIFT_FROM_S_TO_R, tb, h, tb->rnum[h]); else if (n + insert_num - tb->rnum[h] < child_pos) { /* all new items fall into R[h] */ internal_shift_right(INTERNAL_SHIFT_FROM_S_TO_R, tb, h, tb->rnum[h] - insert_num); /* insert insert_num keys and node-pointers into R[h] */ buffer_info_init_right(tb, &bi, h); internal_insert_childs(&bi, child_pos - n - insert_num + tb->rnum[h] - 1, insert_num, insert_key, insert_ptr); insert_num = 0; } else { struct disk_child *dc; /* one of the items falls into CFR[h] */ internal_shift1_right(tb, h, n - child_pos + 1); /* calculate number of new items that fall into R[h] */ k = tb->rnum[h] - n + child_pos - 1; buffer_info_init_right(tb, &bi, h); internal_insert_childs(&bi, 0, k, insert_key + 1, insert_ptr + 1); replace_rkey(tb, h, insert_key + insert_num - k - 1); /* replace the first node-ptr in R[h] by node-ptr insert_ptr[insert_num-k-1] */ dc = B_N_CHILD(tb->R[h], 0); set_dc(dc, MAX_CHILD_SIZE(insert_ptr[insert_num - k - 1]-> b_size) - get_blkh_free_space(B_BLK_HEAD (insert_ptr [insert_num - k - 1])), insert_ptr[insert_num - k - 1]->b_blocknr); /* set_dc_child_size (dc, MAX_CHILD_SIZE(insert_ptr[insert_num-k-1]->b_size) - get_blkh_free_space (B_BLK_HEAD(insert_ptr[insert_num-k-1]))); set_dc_child_blocknr (dc, insert_ptr[insert_num-k-1]->b_blocknr); */ mark_buffer_dirty(tb->R[h]); insert_num -= (k + 1); } } /** Fill new node that appears instead of S[h] **/ if (!tb->blknum[h]) { /* node S[h] is empty now */ /* Mark buffer as invalid and put it to head of free list. */ reiserfs_invalidate_buffer(tb, tbSh); /* do not preserve, internal node */ return order; } if (!tbSh) { /* create new root */ struct disk_child *dc; struct buffer_head *tbSh_1 = PATH_H_PBUFFER(tb->tb_path, h - 1); struct reiserfs_super_block *sb; if (tb->blknum[h] != 1) reiserfs_panic(0, "balance_internal", "One new node required for creating the new root"); /* S[h] = empty buffer from the list FEB. */ tbSh = get_FEB(tb); set_blkh_level(B_BLK_HEAD(tbSh), h + 1); /* Put the unique node-pointer to S[h] that points to S[h-1]. */ dc = B_N_CHILD(tbSh, 0); set_dc(dc, MAX_CHILD_SIZE(tbSh_1->b_size) - get_blkh_free_space(B_BLK_HEAD(tbSh_1)), tbSh_1->b_blocknr); /* set_dc_child_size (dc, MAX_CHILD_SIZE (tbSh_1->b_size) - get_blkh_free_space (B_BLK_HEAD(tbSh_1))); set_dc_child_blocknr (dc, tbSh_1->b_blocknr); */ tb->insert_size[h] -= DC_SIZE; set_blkh_free_space(B_BLK_HEAD(tbSh), get_blkh_free_space(B_BLK_HEAD(tbSh)) - DC_SIZE); mark_buffer_dirty(tbSh); /* put new root into path structure */ PATH_OFFSET_PBUFFER(tb->tb_path, ILLEGAL_PATH_ELEMENT_OFFSET) = tbSh; /* Change root in structure super block. */ sb = tb->tb_fs->fs_ondisk_sb; set_sb_root_block(sb, tbSh->b_blocknr); set_sb_tree_height(sb, get_sb_tree_height(sb) + 1); mark_buffer_dirty(tb->tb_fs->fs_super_bh); tb->tb_fs->fs_dirt = 1; } if (tb->blknum[h] == 2) { int snum; struct buffer_info dest_bi, src_bi; /* S_new = free buffer from list FEB */ S_new = get_FEB(tb); set_blkh_level(B_BLK_HEAD(S_new), h + 1); buffer_info_init_bh(tb, &dest_bi, S_new); buffer_info_init_tbSh(tb, &src_bi, h); n = get_blkh_nr_items(B_BLK_HEAD(tbSh)); /* number of items in S[h] */ snum = (insert_num + n + 1) / 2; if (n - snum >= child_pos) { /* new items don't fall into S_new */ /* store the delimiting key for the next level */ /* new_insert_key = (n - snum)'th key in S[h] */ memcpy(&new_insert_key, internal_key(tbSh, n - snum), KEY_SIZE); /* last parameter is del_par */ internal_move_pointers_items(&dest_bi, &src_bi, LAST_TO_FIRST, snum, 0); } else if (n + insert_num - snum < child_pos) { /* all new items fall into S_new */ /* store the delimiting key for the next level */ /* new_insert_key = (n + insert_item - snum)'th key in S[h] */ memcpy(&new_insert_key, internal_key(tbSh, n + insert_num - snum), KEY_SIZE); /* last parameter is del_par */ internal_move_pointers_items(&dest_bi, &src_bi, LAST_TO_FIRST, snum - insert_num, 0); /* internal_move_pointers_items(S_new,tbSh,1,snum - insert_num,0); */ /* insert insert_num keys and node-pointers into S_new */ internal_insert_childs(&dest_bi, child_pos - n - insert_num + snum - 1, insert_num, insert_key, insert_ptr); insert_num = 0; } else { struct disk_child *dc; /* some items fall into S_new, but some don't fall */ /* last parameter is del_par */ internal_move_pointers_items(&dest_bi, &src_bi, LAST_TO_FIRST, n - child_pos + 1, 1); /* internal_move_pointers_items(S_new,tbSh,1,n - child_pos + 1,1); */ /* calculate number of new items that fall into S_new */ k = snum - n + child_pos - 1; internal_insert_childs(&dest_bi, 0, k, insert_key + 1, insert_ptr + 1); /* new_insert_key = insert_key[insert_num - k - 1] */ memcpy(&new_insert_key, insert_key + insert_num - k - 1, KEY_SIZE); /* replace first node-ptr in S_new by node-ptr to insert_ptr[insert_num-k-1] */ dc = B_N_CHILD(S_new, 0); set_dc(dc, MAX_CHILD_SIZE(insert_ptr[insert_num - k - 1]-> b_size) - get_blkh_free_space(B_BLK_HEAD (insert_ptr [insert_num - k - 1])), insert_ptr[insert_num - k - 1]->b_blocknr); /* set_dc_child_size (dc, MAX_CHILD_SIZE(insert_ptr[insert_num-k-1]->b_size) - get_blkh_free_space (B_BLK_HEAD(insert_ptr[insert_num-k-1]))); set_dc_child_blocknr (dc, insert_ptr[insert_num-k-1]->b_blocknr); */ mark_buffer_dirty(S_new); insert_num -= (k + 1); } /* new_insert_ptr = node_pointer to S_new */ new_insert_ptr = S_new; /* S_new->b_count --; */ /*brelse(S_new); */ } n = get_blkh_nr_items(B_BLK_HEAD(tbSh)); /*number of items in S[h] */ if (-1 <= child_pos && child_pos <= n && insert_num > 0) { buffer_info_init_tbSh(tb, &bi, h); if (child_pos == -1) { /* this is a little different from original do_balance: here we insert the minimal keys in the tree, that has never happened when file system works */ if (tb->CFL[h - 1] || insert_num != 1 || h != 1) die("balance_internal: invalid child_pos"); /* insert_child (tb->S[h], tb->S[h-1], child_pos, insert_num, B_N_ITEM_HEAD(tb->S[0],0), insert_ptr); */ internal_insert_childs(&bi, child_pos, insert_num, item_head(PATH_PLAST_BUFFER (tb->tb_path), 0), insert_ptr); } else internal_insert_childs(&bi, child_pos, insert_num, insert_key, insert_ptr); } insert_ptr[0] = new_insert_ptr; if (new_insert_ptr) memcpy(new_insert_key_addr, &new_insert_key, KEY_SIZE); return order; } reiserfsprogs-3.6.25/reiserfscore/lbalance.c0000644000175000001440000010671412215632405016032 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "includes.h" /* these are used in do_balance.c */ /* leaf_move_items leaf_shift_left leaf_shift_right leaf_delete_items leaf_insert_into_buf leaf_paste_in_buffer leaf_cut_from_buffer leaf_paste_entries */ extern struct tree_balance init_tb; extern int init_item_pos; extern int init_pos_in_item; extern int init_mode; /* copy copy_count entries from source directory item to dest buffer (creating new item if needed) */ static void leaf_copy_dir_entries(struct buffer_info *dest_bi, struct buffer_head *source, int last_first, int item_num, int from, int copy_count) { struct buffer_head *dest = dest_bi->bi_bh; int item_num_in_dest; /* either the number of target item, or if we must create a new item, the number of the item we will create it next to */ struct item_head *ih; struct reiserfs_de_head *deh; int copy_records_len; /* length of all records in item to be copied */ char *records; ih = item_head(source, item_num); /* length of all record to be copied and first byte of the last of them */ deh = B_I_DEH(source, ih); if (copy_count) { copy_records_len = (from ? get_deh_location(&deh[from - 1]) : get_ih_item_len(ih)) - get_deh_location(&deh[from + copy_count - 1]); records = source->b_data + get_ih_location(ih) + get_deh_location(&deh[from + copy_count - 1]); } else { copy_records_len = 0; records = NULL; } /* when copy last to first, dest buffer can contain 0 items */ item_num_in_dest = (last_first == LAST_TO_FIRST) ? ((B_NR_ITEMS(dest)) ? 0 : -1) : (B_NR_ITEMS(dest) - 1); /* if there are no items in dest or the first/last item in dest is not item of the same directory */ if ((item_num_in_dest == -1) || (last_first == FIRST_TO_LAST && are_items_mergeable(item_head(dest, item_num_in_dest), ih, dest->b_size) == 0) || (last_first == LAST_TO_FIRST && are_items_mergeable(ih, item_head(dest, item_num_in_dest), dest->b_size) == 0)) { /* create new item in dest */ struct item_head new_ih; /* form item header */ memcpy(&new_ih.ih_key, &ih->ih_key, KEY_SIZE); /* calculate item len */ set_ih_item_len(&new_ih, DEH_SIZE * copy_count + copy_records_len); set_ih_entry_count(&new_ih, 0); if (last_first == LAST_TO_FIRST) { /* form key by the following way */ if (from < get_ih_entry_count(ih)) { set_key_offset_v1(&new_ih.ih_key, get_deh_offset(&deh[from])); } else { /* no entries will be copied to this item in this function */ set_key_offset_v1(&new_ih.ih_key, MAX_KEY1_OFFSET); } set_key_uniqueness(&new_ih.ih_key, DIRENTRY_UNIQUENESS); } set_ih_key_format(&new_ih, get_ih_key_format(ih)); set_ih_flags(&new_ih, get_ih_flags(ih)); /* insert item into dest buffer */ leaf_insert_into_buf(dest_bi, (last_first == LAST_TO_FIRST) ? 0 : B_NR_ITEMS(dest), &new_ih, NULL, 0); } else { /* prepare space for entries */ leaf_paste_in_buffer(dest_bi, (last_first == FIRST_TO_LAST) ? (B_NR_ITEMS(dest) - 1) : 0, 0xffff /*MAX_US_INT */ , DEH_SIZE * copy_count + copy_records_len, records, 0); } item_num_in_dest = (last_first == FIRST_TO_LAST) ? (B_NR_ITEMS(dest) - 1) : 0; leaf_paste_entries(dest_bi->bi_bh, item_num_in_dest, (last_first == FIRST_TO_LAST) ? get_ih_entry_count(item_head (dest, item_num_in_dest)) : 0, copy_count, deh + from, records, DEH_SIZE * copy_count + copy_records_len); } /* Copy the first (if last_first == FIRST_TO_LAST) or last (last_first == LAST_TO_FIRST) item or part of it or nothing (see the return 0 below) from SOURCE to the end (if last_first) or beginning (!last_first) of the DEST */ /* returns 1 if anything was copied, else 0 */ static int leaf_copy_boundary_item(struct buffer_info *dest_bi, struct buffer_head *src, int last_first, int bytes_or_entries) { struct buffer_head *dest = dest_bi->bi_bh; int dest_nr_item, src_nr_item; /* number of items in the source and destination buffers */ struct item_head *ih; struct item_head *dih; dest_nr_item = B_NR_ITEMS(dest); if (last_first == FIRST_TO_LAST) { /* if ( DEST is empty or first item of SOURCE and last item of DEST are the items of different objects or of different types ) then there is no need to treat this item differently from the other items that we copy, so we return */ ih = item_head(src, 0); dih = item_head(dest, dest_nr_item - 1); if (!dest_nr_item || (are_items_mergeable(dih, ih, src->b_size) == 0)) /* there is nothing to merge */ return 0; if (I_IS_DIRECTORY_ITEM(ih)) { if (bytes_or_entries == -1) /* copy all entries to dest */ bytes_or_entries = get_ih_entry_count(ih); leaf_copy_dir_entries(dest_bi, src, FIRST_TO_LAST, 0, 0, bytes_or_entries); return 1; } /* copy part of the body of the first item of SOURCE to the end of the body of the last item of the DEST part defined by 'bytes_or_entries'; if bytes_or_entries == -1 copy whole body; don't create new item header */ if (bytes_or_entries == -1) bytes_or_entries = get_ih_item_len(ih); /* merge first item (or its part) of src buffer with the last item of dest buffer. Both are of the same file */ leaf_paste_in_buffer(dest_bi, dest_nr_item - 1, get_ih_item_len(dih), bytes_or_entries, ih_item_body(src, ih), 0); if (I_IS_INDIRECT_ITEM(dih)) { if (bytes_or_entries == get_ih_item_len(ih)) //dih->u.ih_free_space = ih->u.ih_free_space; set_ih_free_space(dih, get_ih_free_space(ih)); } return 1; } /* copy boundary item to right (last_first == LAST_TO_FIRST) */ /* ( DEST is empty or last item of SOURCE and first item of DEST are the items of different object or of different types ) */ src_nr_item = B_NR_ITEMS(src); ih = item_head(src, src_nr_item - 1); dih = item_head(dest, 0); if (!dest_nr_item || are_items_mergeable(ih, dih, src->b_size) == 0) return 0; if (I_IS_DIRECTORY_ITEM(ih)) { if (bytes_or_entries == -1) /* bytes_or_entries = entries number in last item body of SOURCE */ bytes_or_entries = get_ih_entry_count(ih); leaf_copy_dir_entries(dest_bi, src, LAST_TO_FIRST, src_nr_item - 1, get_ih_entry_count(ih) - bytes_or_entries, bytes_or_entries); return 1; } /* copy part of the body of the last item of SOURCE to the begin of the body of the first item of the DEST; part defined by 'bytes_or_entries'; if byte_or_entriess == -1 copy whole body; change first item key of the DEST; don't create new item header */ if (bytes_or_entries == -1) { /* bytes_or_entries = length of last item body of SOURCE */ bytes_or_entries = get_ih_item_len(ih); /* change first item key of the DEST */ //dih->ih_key.k_offset = ih->ih_key.k_offset; set_offset(key_format(&dih->ih_key), &dih->ih_key, get_offset(&ih->ih_key)); /* item becomes non-mergeable */ /* or mergeable if left item was */ //dih->ih_key.k_uniqueness = ih->ih_key.k_uniqueness; set_type(key_format(&dih->ih_key), &dih->ih_key, get_type(&ih->ih_key)); } else { /* merge to right only part of item */ /* change first item key of the DEST */ if (I_IS_DIRECT_ITEM(dih)) { //dih->ih_key.k_offset -= bytes_or_entries; set_offset(key_format(&dih->ih_key), &dih->ih_key, get_offset(&dih->ih_key) - bytes_or_entries); } else { //dih->ih_key.k_offset -= ((bytes_or_entries/UNFM_P_SIZE)*dest->b_size); set_offset(key_format(&dih->ih_key), &dih->ih_key, get_offset(&dih->ih_key) - ((bytes_or_entries / UNFM_P_SIZE) * dest->b_size)); } } leaf_paste_in_buffer(dest_bi, 0, 0, bytes_or_entries, ih_item_body(src, ih) + get_ih_item_len(ih) - bytes_or_entries, 0); return 1; } /* copy cpy_mun items from buffer src to buffer dest * last_first == FIRST_TO_LAST means, that we copy cpy_num items beginning from first-th item in src to tail of dest * last_first == LAST_TO_FIRST means, that we copy cpy_num items beginning from first-th item in src to head of dest */ static void leaf_copy_items_entirely(struct buffer_info *dest_bi, struct buffer_head *src, int last_first, int first, int cpy_num) { struct buffer_head *dest; int nr; int dest_before; int last_loc, last_inserted_loc, location; int i, j; struct block_head *blkh; struct item_head *ih; dest = dest_bi->bi_bh; if (cpy_num == 0) return; blkh = B_BLK_HEAD(dest); nr = get_blkh_nr_items(blkh); /* we will insert items before 0-th or nr-th item in dest buffer. It depends of last_first parameter */ dest_before = (last_first == LAST_TO_FIRST) ? 0 : nr; /* location of head of first new item */ ih = item_head(dest, dest_before); /* prepare space for headers */ memmove(ih + cpy_num, ih, (nr - dest_before) * IH_SIZE); /* copy item headers */ memcpy(ih, item_head(src, first), cpy_num * IH_SIZE); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - IH_SIZE * cpy_num); /* location of unmovable item */ j = location = (dest_before == 0) ? dest->b_size : get_ih_location(ih - 1); for (i = dest_before; i < nr + cpy_num; i++) { location -= get_ih_item_len(&ih[i - dest_before]); set_ih_location(&ih[i - dest_before], location); } /* prepare space for items */ last_loc = get_ih_location(&ih[nr + cpy_num - 1 - dest_before]); last_inserted_loc = get_ih_location(&ih[cpy_num - 1]); /* check free space */ memmove(dest->b_data + last_loc, dest->b_data + last_loc + j - last_inserted_loc, last_inserted_loc - last_loc); /* copy items */ memcpy(dest->b_data + last_inserted_loc, item_body(src, (first + cpy_num - 1)), j - last_inserted_loc); /* sizes, item number */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) + cpy_num); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - (j - last_inserted_loc)); mark_buffer_dirty(dest); if (dest_bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(dest_bi->bi_parent, dest_bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + j - last_inserted_loc + IH_SIZE * cpy_num); mark_buffer_dirty(dest_bi->bi_parent); } } /* This function splits the (liquid) item into two items (useful when shifting part of an item into another node.) */ static void leaf_item_bottle(struct buffer_info *dest_bi, struct buffer_head *src, int last_first, int item_num, int cpy_bytes) { struct buffer_head *dest = dest_bi->bi_bh; struct item_head *ih; if (last_first == FIRST_TO_LAST) { /* if ( if item in position item_num in buffer SOURCE is directory item ) */ if (I_IS_DIRECTORY_ITEM(ih = item_head(src, item_num))) leaf_copy_dir_entries(dest_bi, src, FIRST_TO_LAST, item_num, 0, cpy_bytes); else { struct item_head n_ih; /* copy part of the body of the item number 'item_num' of SOURCE to the end of the DEST part defined by 'cpy_bytes'; create new item header; change old item_header (????); n_ih = new item_header; */ memcpy(&n_ih, ih, IH_SIZE); set_ih_item_len(&n_ih, cpy_bytes); if (I_IS_INDIRECT_ITEM(ih)) { //n_ih.u.ih_free_space = 0; set_ih_free_space(&n_ih, 0);; } //n_ih.ih_version = ih->ih_version; set_ih_key_format(&n_ih, get_ih_key_format(ih)); set_ih_flags(&n_ih, get_ih_flags(ih)); leaf_insert_into_buf(dest_bi, B_NR_ITEMS(dest), &n_ih, item_body(src, item_num), 0); } } else { /* if ( if item in position item_num in buffer SOURCE is directory item ) */ if (I_IS_DIRECTORY_ITEM(ih = item_head(src, item_num))) leaf_copy_dir_entries(dest_bi, src, LAST_TO_FIRST, item_num, get_ih_entry_count(ih) - cpy_bytes, cpy_bytes); else { struct item_head n_ih; /* copy part of the body of the item number 'item_num' of SOURCE to the begin of the DEST part defined by 'cpy_bytes'; create new item header; n_ih = new item_header; */ memcpy(&n_ih, ih, SHORT_KEY_SIZE); if (I_IS_DIRECT_ITEM(ih)) { //n_ih.ih_key.k_offset = ih->ih_key.k_offset + ih->ih_item_len - cpy_bytes; set_offset(key_format(&ih->ih_key), &n_ih.ih_key, get_offset(&ih->ih_key) + get_ih_item_len(ih) - cpy_bytes); //n_ih.ih_key.k_uniqueness = TYPE_DIRECT; set_type(key_format(&ih->ih_key), &n_ih.ih_key, TYPE_DIRECT); //n_ih.u.ih_free_space = USHRT_MAX; set_ih_free_space(&n_ih, USHRT_MAX); } else { /* indirect item */ //n_ih.ih_key.k_offset = ih->ih_key.k_offset + (ih->ih_item_len - cpy_bytes) / UNFM_P_SIZE * dest->b_size; set_offset(key_format(&ih->ih_key), &n_ih.ih_key, get_offset(&ih->ih_key) + (get_ih_item_len(ih) - cpy_bytes) / UNFM_P_SIZE * dest->b_size); //n_ih.ih_key.k_uniqueness = TYPE_INDIRECT; set_type(key_format(&ih->ih_key), &n_ih.ih_key, TYPE_INDIRECT); //n_ih.u.ih_free_space = ih->u.ih_free_space; set_ih_free_space(&n_ih, get_ih_free_space(ih)); } /* set item length */ set_ih_item_len(&n_ih, cpy_bytes); //n_ih.ih_version = ih->ih_version; set_ih_key_format(&n_ih, get_ih_key_format(ih)); set_ih_flags(&n_ih, get_ih_flags(ih)); leaf_insert_into_buf(dest_bi, 0, &n_ih, item_body(src, item_num) + get_ih_item_len(ih) - cpy_bytes, 0); } } } /* If cpy_bytes equals minus one than copy cpy_num whole items from SOURCE to DEST. If cpy_bytes not equal to minus one than copy cpy_num-1 whole items from SOURCE to DEST. From last item copy cpy_num bytes for regular item and cpy_num directory entries for directory item. */ static int leaf_copy_items(struct buffer_info *dest_bi, struct buffer_head *src, int last_first, int cpy_num, int cpy_bytes) { int pos, i, src_nr_item, bytes; if (cpy_num == 0) return 0; if (last_first == FIRST_TO_LAST) { /* copy items to left */ pos = 0; if (cpy_num == 1) bytes = cpy_bytes; else bytes = -1; /* copy the first item or it part or nothing to the end of the DEST (i = leaf_copy_boundary_item(DEST,SOURCE,0,bytes)) */ i = leaf_copy_boundary_item(dest_bi, src, FIRST_TO_LAST, bytes); cpy_num -= i; if (cpy_num == 0) return i; pos += i; if (cpy_bytes == -1) /* copy first cpy_num items starting from position 'pos' of SOURCE to end of DEST */ leaf_copy_items_entirely(dest_bi, src, FIRST_TO_LAST, pos, cpy_num); else { /* copy first cpy_num-1 items starting from position 'pos-1' of the SOURCE to the end of the DEST */ leaf_copy_items_entirely(dest_bi, src, FIRST_TO_LAST, pos, cpy_num - 1); /* copy part of the item which number is cpy_num+pos-1 to the end of the DEST */ leaf_item_bottle(dest_bi, src, FIRST_TO_LAST, cpy_num + pos - 1, cpy_bytes); } } else { /* copy items to right */ src_nr_item = B_NR_ITEMS(src); if (cpy_num == 1) bytes = cpy_bytes; else bytes = -1; /* copy the last item or it part or nothing to the begin of the DEST (i = leaf_copy_boundary_item(DEST,SOURCE,1,bytes)); */ i = leaf_copy_boundary_item(dest_bi, src, LAST_TO_FIRST, bytes); cpy_num -= i; if (cpy_num == 0) return i; pos = src_nr_item - cpy_num - i; if (cpy_bytes == -1) { /* starting from position 'pos' copy last cpy_num items of SOURCE to begin of DEST */ leaf_copy_items_entirely(dest_bi, src, LAST_TO_FIRST, pos, cpy_num); } else { /* copy last cpy_num-1 items starting from position 'pos+1' of the SOURCE to the begin of the DEST; */ leaf_copy_items_entirely(dest_bi, src, LAST_TO_FIRST, pos + 1, cpy_num - 1); /* copy part of the item which number is pos to the begin of the DEST */ leaf_item_bottle(dest_bi, src, LAST_TO_FIRST, pos, cpy_bytes); } } return i; } /* there are types of coping: from S[0] to L[0], from S[0] to R[0], from R[0] to L[0]. for each of these we have to define parent and positions of destination and source buffers */ static void leaf_define_dest_src_infos(int shift_mode, struct tree_balance *tb, struct buffer_info *dest_bi, struct buffer_info *src_bi, int *first_last, struct buffer_head *Snew) { /* define dest, src, dest parent, dest position */ switch (shift_mode) { case LEAF_FROM_S_TO_L: /* it is used in leaf_shift_left */ buffer_info_init_last(tb, src_bi); buffer_info_init_left(tb, dest_bi, 0); *first_last = FIRST_TO_LAST; break; case LEAF_FROM_S_TO_R: /* it is used in leaf_shift_right */ buffer_info_init_last(tb, src_bi); buffer_info_init_right(tb, dest_bi, 0); *first_last = LAST_TO_FIRST; break; case LEAF_FROM_R_TO_L: /* it is used in balance_leaf_when_delete */ buffer_info_init_right(tb, src_bi, 0); buffer_info_init_left(tb, dest_bi, 0); *first_last = FIRST_TO_LAST; break; case LEAF_FROM_L_TO_R: /* it is used in balance_leaf_when_delete */ buffer_info_init_left(tb, src_bi, 0); buffer_info_init_right(tb, dest_bi, 0); *first_last = LAST_TO_FIRST; break; case LEAF_FROM_S_TO_SNEW: buffer_info_init_last(tb, src_bi); buffer_info_init_bh(tb, dest_bi, Snew); *first_last = LAST_TO_FIRST; break; default: reiserfs_panic(0, "vs-10250: leaf_define_dest_src_infos: shift type is unknown (%d)", shift_mode); } } /* copy mov_num items and mov_bytes of the (mov_num-1)th item to neighbor. Delete them from source */ int leaf_move_items(int shift_mode, struct tree_balance *tb, int mov_num, int mov_bytes, struct buffer_head *Snew) { int ret_value; struct buffer_info dest_bi, src_bi; int first_last; leaf_define_dest_src_infos(shift_mode, tb, &dest_bi, &src_bi, &first_last, Snew); ret_value = leaf_copy_items(&dest_bi, src_bi.bi_bh, first_last, mov_num, mov_bytes); leaf_delete_items(&src_bi, first_last, (first_last == FIRST_TO_LAST) ? 0 : (B_NR_ITEMS(src_bi.bi_bh) - mov_num), mov_num, mov_bytes); return ret_value; } /* Shift shift_num items (and shift_bytes of last shifted item if shift_bytes != -1) from S[0] to L[0] and replace the delimiting key */ int leaf_shift_left(struct tree_balance *tb, int shift_num, int shift_bytes) { struct buffer_head *S0 = PATH_PLAST_BUFFER(tb->tb_path); int i; /* move shift_num (and shift_bytes bytes) items from S[0] to left neighbor L[0] */ i = leaf_move_items(LEAF_FROM_S_TO_L, tb, shift_num, shift_bytes, NULL); if (shift_num) { if (B_NR_ITEMS(S0) == 0) { /* everything is moved from S[0] */ if (PATH_H_POSITION(tb->tb_path, 1) == 0) replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], PATH_H_PPARENT(tb->tb_path, 0), 0); } else { /* replace lkey in CFL[0] by 0-th key from S[0]; */ replace_key(tb->tb_fs, tb->CFL[0], tb->lkey[0], S0, 0); } } return i; } /* CLEANING STOPPED HERE */ /* Shift shift_num (shift_bytes) items from S[0] to the right neighbor, and replace the delimiting key */ int leaf_shift_right(struct tree_balance *tb, int shift_num, int shift_bytes) { int ret_value; /* move shift_num (and shift_bytes) items from S[0] to right neighbor R[0] */ ret_value = leaf_move_items(LEAF_FROM_S_TO_R, tb, shift_num, shift_bytes, NULL); /* replace rkey in CFR[0] by the 0-th key from R[0] */ if (shift_num) { replace_key(tb->tb_fs, tb->CFR[0], tb->rkey[0], tb->R[0], 0); } return ret_value; } static void leaf_delete_items_entirely(struct buffer_info *bi, int first, int del_num); /* If del_bytes == -1, starting from position 'first' delete del_num items in whole in buffer CUR. If not. If last_first == 0. Starting from position 'first' delete del_num-1 items in whole. Delete part of body of the first item. Part defined by del_bytes. Don't delete first item header If last_first == 1. Starting from position 'first+1' delete del_num-1 items in whole. Delete part of body of the last item . Part defined by del_bytes. Don't delete last item header. */ void leaf_delete_items(struct buffer_info *cur_bi, int last_first, int first, int del_num, int del_bytes) { struct buffer_head *bh = cur_bi->bi_bh;; int item_amount = B_NR_ITEMS(bh); if (del_num == 0) return; if (first == 0 && del_num == item_amount && del_bytes == -1) { make_empty_node(cur_bi); mark_buffer_dirty(bh); return; } if (del_bytes == -1) /* delete del_num items beginning from item in position first */ leaf_delete_items_entirely(cur_bi, first, del_num); else { if (last_first == FIRST_TO_LAST) { /* delete del_num-1 items beginning from item in position first */ leaf_delete_items_entirely(cur_bi, first, del_num - 1); /* delete the part of the first item of the bh do not delete item header */ leaf_cut_from_buffer(cur_bi, 0, 0, del_bytes); } else { struct item_head *ih; int len; /* delete del_num-1 items beginning from item in position first+1 */ leaf_delete_items_entirely(cur_bi, first + 1, del_num - 1); if (I_IS_DIRECTORY_ITEM (ih = item_head(bh, B_NR_ITEMS(bh) - 1))) /* the last item is directory */ /* len = numbers of directory entries in this item */ len = get_ih_entry_count(ih); else /* len = body len of item */ len = get_ih_item_len(ih); /* delete the part of the last item of the bh do not delete item header */ leaf_cut_from_buffer(cur_bi, B_NR_ITEMS(bh) - 1, len - del_bytes, del_bytes); } } } /* insert item into the leaf node in position before */ void leaf_insert_into_buf(struct buffer_info *bi, int before, struct item_head *inserted_item_ih, const char *inserted_item_body, int zeros_number) { struct buffer_head *bh = bi->bi_bh; int nr; struct block_head *blkh; struct item_head *ih; int i; int last_loc, unmoved_loc; char *to; blkh = B_BLK_HEAD(bh); nr = get_blkh_nr_items(blkh); /* get item new item must be inserted before */ ih = item_head(bh, before); /* prepare space for the body of new item */ last_loc = nr ? get_ih_location(&ih[nr - before - 1]) : bh->b_size; unmoved_loc = before ? get_ih_location(ih - 1) : bh->b_size; memmove(bh->b_data + last_loc - get_ih_item_len(inserted_item_ih), bh->b_data + last_loc, unmoved_loc - last_loc); to = bh->b_data + unmoved_loc - get_ih_item_len(inserted_item_ih); memset(to, 0, zeros_number); to += zeros_number; /* copy body to prepared space */ if (inserted_item_body) //if (mem_mode == REISERFS_USER_MEM) // copy_from_user (to, inserted_item_body, inserted_item_ih->ih_item_len - zeros_number); //else { memmove(to, inserted_item_body, get_ih_item_len(inserted_item_ih) - zeros_number); //} else memset(to, '\0', get_ih_item_len(inserted_item_ih) - zeros_number); /* insert item header */ memmove(ih + 1, ih, IH_SIZE * (nr - before)); memmove(ih, inserted_item_ih, IH_SIZE); /* change locations */ for (i = before; i < nr + 1; i++) { unmoved_loc -= get_ih_item_len(&ih[i - before]); set_ih_location(&ih[i - before], unmoved_loc); } /* sizes, free space, item number */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) + 1); set_blkh_free_space(blkh, get_blkh_free_space(blkh) - (IH_SIZE + get_ih_item_len(inserted_item_ih))); mark_buffer_dirty(bh); if (bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(bi->bi_parent, bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + IH_SIZE + get_ih_item_len(inserted_item_ih)); mark_buffer_dirty(bi->bi_parent); } if (is_a_leaf(bh->b_data, bh->b_size) != THE_LEAF) reiserfs_panic("leaf_insert_into_buf: bad leaf %lu: %b", bh->b_blocknr, bh); } /* paste paste_size bytes to affected_item_num-th item. When item is a directory, this only prepare space for new entries */ void leaf_paste_in_buffer(struct buffer_info *bi, int affected_item_num, int pos_in_item, int paste_size, const char *body, int zeros_number) { struct buffer_head *bh = bi->bi_bh; int nr; struct block_head *blkh; struct item_head *ih; int i; int last_loc, unmoved_loc; blkh = B_BLK_HEAD(bh); nr = get_blkh_nr_items(blkh); /* item to be appended */ ih = item_head(bh, affected_item_num); last_loc = get_ih_location(&ih[nr - affected_item_num - 1]); unmoved_loc = affected_item_num ? get_ih_location(ih - 1) : bh->b_size; /* prepare space */ memmove(bh->b_data + last_loc - paste_size, bh->b_data + last_loc, unmoved_loc - last_loc); /* change locations */ for (i = affected_item_num; i < nr; i++) set_ih_location(&ih[i - affected_item_num], get_ih_location(&ih[i - affected_item_num]) - paste_size); if (body) { if (!I_IS_DIRECTORY_ITEM(ih)) { //if (mem_mode == REISERFS_USER_MEM) { //memset (bh->b_data + unmoved_loc - paste_size, 0, zeros_number); //copy_from_user (bh->b_data + unmoved_loc - paste_size + zeros_number, body, paste_size - zeros_number); //} else { if (!pos_in_item) { /* shift data to right */ memmove(bh->b_data + get_ih_location(ih) + paste_size, bh->b_data + get_ih_location(ih), get_ih_item_len(ih)); /* paste data in the head of item */ memset(bh->b_data + get_ih_location(ih), 0, zeros_number); memcpy(bh->b_data + get_ih_location(ih) + zeros_number, body, paste_size - zeros_number); } else { memset(bh->b_data + unmoved_loc - paste_size, 0, zeros_number); memcpy(bh->b_data + unmoved_loc - paste_size + zeros_number, body, paste_size - zeros_number); } } } } else memset(bh->b_data + unmoved_loc - paste_size, '\0', paste_size); set_ih_item_len(ih, get_ih_item_len(ih) + paste_size); /* change free space */ set_blkh_free_space(blkh, get_blkh_free_space(blkh) - paste_size); mark_buffer_dirty(bh); if (bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(bi->bi_parent, bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) + paste_size); mark_buffer_dirty(bi->bi_parent); } if (is_a_leaf(bh->b_data, bh->b_size) != THE_LEAF) reiserfs_panic("leaf_paste_in_buffer: bad leaf %lu: %b", bh->b_blocknr, bh); } /* cuts DEL_COUNT entries beginning from FROM-th entry. Directory item does not have free space, so it moves DEHs and remaining records as necessary. Return value is size of removed part of directory item in bytes. */ static int leaf_cut_entries(struct buffer_head *bh, struct item_head *ih, int from, int del_count) { char *item; struct reiserfs_de_head *deh; int prev_record_offset; /* offset of record, that is (from-1)th */ char *prev_record; /* */ int cut_records_len; /* length of all removed records */ int i; int entry_count; /* first byte of item */ item = ih_item_body(bh, ih); /* entry head array */ deh = B_I_DEH(bh, ih); entry_count = get_ih_entry_count(ih); if (del_count == 0) { int shift; int last_location; last_location = get_deh_location(deh + entry_count - 1); shift = last_location - DEH_SIZE * entry_count; memmove(deh + entry_count, item + last_location, get_ih_item_len(ih) - last_location); for (i = 0; i < entry_count; i++) set_deh_location(&deh[i], get_deh_location(&deh[i]) - shift); return shift; } /* first byte of remaining entries, those are BEFORE cut entries (prev_record) and length of all removed records (cut_records_len) */ prev_record_offset = (from ? get_deh_location(&deh[from - 1]) : get_ih_item_len(ih)); cut_records_len = prev_record_offset /*from_record */ - get_deh_location(&deh[from + del_count - 1]); prev_record = item + prev_record_offset; /* adjust locations of remaining entries */ for (i = get_ih_entry_count(ih) - 1; i > from + del_count - 1; i--) { set_deh_location(deh + i, get_deh_location(deh + i) - (DEH_SIZE * del_count)); } for (i = 0; i < from; i++) { set_deh_location(deh + i, get_deh_location(deh + i) - (DEH_SIZE * del_count + cut_records_len)); } set_ih_entry_count(ih, get_ih_entry_count(ih) - del_count); /* shift entry head array and entries those are AFTER removed entries */ memmove((char *)(deh + from), deh + from + del_count, prev_record - cut_records_len - (char *)(deh + from + del_count)); /* shift records, those are BEFORE removed entries */ memmove(prev_record - cut_records_len - DEH_SIZE * del_count, prev_record, item + get_ih_item_len(ih) - prev_record); return DEH_SIZE * del_count + cut_records_len; } /* when cut item is part of regular file pos_in_item - first byte that must be cut cut_size - number of bytes to be cut beginning from pos_in_item when cut item is part of directory pos_in_item - number of first deleted entry cut_size - count of deleted entries */ void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num, int pos_in_item, int cut_size) { int nr; struct buffer_head *bh = bi->bi_bh; struct block_head *blkh; struct item_head *ih; int last_loc, unmoved_loc; int i; blkh = B_BLK_HEAD(bh); nr = get_blkh_nr_items(blkh); /* item head of truncated item */ ih = item_head(bh, cut_item_num); if (I_IS_DIRECTORY_ITEM(ih)) { /* first cut entry () */ cut_size = leaf_cut_entries(bh, ih, pos_in_item, cut_size); if (pos_in_item == 0) { /* change item key by key of first entry in the item */ set_key_offset_v1(&ih->ih_key, get_deh_offset(B_I_DEH(bh, ih))); /*memcpy (&ih->ih_key.k_offset, &(B_I_DEH (bh, ih)->deh_offset), SHORT_KEY_SIZE); */ } } else { /* item is direct or indirect */ /* shift item body to left if cut is from the head of item */ if (pos_in_item == 0) { memmove(bh->b_data + get_ih_location(ih), bh->b_data + get_ih_location(ih) + cut_size, get_ih_item_len(ih) - cut_size); /* change key of item */ if (I_IS_DIRECT_ITEM(ih)) { //ih->ih_key.k_offset += cut_size; set_offset(key_format(&ih->ih_key), &ih->ih_key, get_offset(&ih->ih_key) + cut_size); } else { //ih->ih_key.k_offset += (cut_size / UNFM_P_SIZE) * bh->b_size; set_offset(key_format(&ih->ih_key), &ih->ih_key, get_offset(&ih->ih_key) + (cut_size / UNFM_P_SIZE) * bh->b_size); } } } /* location of the last item */ last_loc = get_ih_location(&ih[nr - cut_item_num - 1]); /* location of the item, which is remaining at the same place */ unmoved_loc = cut_item_num ? get_ih_location(ih - 1) : bh->b_size; /* shift */ memmove(bh->b_data + last_loc + cut_size, bh->b_data + last_loc, unmoved_loc - last_loc - cut_size); /* change item length */ set_ih_item_len(ih, get_ih_item_len(ih) - cut_size); if (I_IS_INDIRECT_ITEM(ih)) { if (pos_in_item) //ih->u.ih_free_space = 0; set_ih_free_space(ih, 0); } /* change locations */ for (i = cut_item_num; i < nr; i++) { set_ih_location(&ih[i - cut_item_num], get_ih_location(&ih[i - cut_item_num]) + cut_size); } /* size, free space */ set_blkh_free_space(blkh, get_blkh_free_space(blkh) + cut_size); mark_buffer_dirty(bh); if (bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(bi->bi_parent, bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) - cut_size); mark_buffer_dirty(bi->bi_parent); } if (is_a_leaf(bh->b_data, bh->b_size) != THE_LEAF && is_a_leaf(bh->b_data, bh->b_size) != HAS_IH_ARRAY) reiserfs_panic("leaf_cut_from_buffer: bad leaf %lu: %b", bh->b_blocknr, bh); } /* delete del_num items from buffer starting from the first'th item */ static void leaf_delete_items_entirely(struct buffer_info *bi, int first, int del_num) { struct buffer_head *bh = bi->bi_bh; int nr; int i, j; int last_loc, last_removed_loc; struct block_head *blkh; struct item_head *ih; if (del_num == 0) return; blkh = B_BLK_HEAD(bh); nr = get_blkh_nr_items(blkh); if (first == 0 && del_num == nr) { /* this does not work */ make_empty_node(bi); mark_buffer_dirty(bh); return; } ih = item_head(bh, first); /* location of unmovable item */ j = (first == 0) ? bh->b_size : get_ih_location(ih - 1); /* delete items */ last_loc = get_ih_location(&ih[nr - 1 - first]); last_removed_loc = get_ih_location(&ih[del_num - 1]); memmove(bh->b_data + last_loc + j - last_removed_loc, bh->b_data + last_loc, last_removed_loc - last_loc); /* delete item headers */ memmove(ih, ih + del_num, (nr - first - del_num) * IH_SIZE); /* change item location */ for (i = first; i < nr - del_num; i++) { set_ih_location(&ih[i - first], get_ih_location(&ih[i - first]) + j - last_removed_loc); } /* sizes, item number */ set_blkh_nr_items(blkh, get_blkh_nr_items(blkh) /*nr */ -del_num); set_blkh_free_space(blkh, get_blkh_free_space(blkh) + j - last_removed_loc + IH_SIZE * del_num); mark_buffer_dirty(bh); if (bi->bi_parent) { struct disk_child *dc; dc = B_N_CHILD(bi->bi_parent, bi->bi_position); set_dc_child_size(dc, get_dc_child_size(dc) - (j - last_removed_loc + IH_SIZE * del_num)); mark_buffer_dirty(bi->bi_parent); } if (is_a_leaf(bh->b_data, bh->b_size) != THE_LEAF && is_a_leaf(bh->b_data, bh->b_size) != HAS_IH_ARRAY) reiserfs_panic("leaf_delete_items_entirely: bad leaf %lu: %b", bh->b_blocknr, bh); } /* paste new_entry_count entries (new_dehs, records) into position before to item_num-th item */ void leaf_paste_entries(struct buffer_head *bh, int item_num, int before, int new_entry_count, struct reiserfs_de_head *new_dehs, const char *records, int paste_size) { struct item_head *ih; char *item; struct reiserfs_de_head *deh; char *insert_point; int i, old_entry_num; if (new_entry_count == 0) return; ih = item_head(bh, item_num); /* first byte of dest item */ item = ih_item_body(bh, ih); /* entry head array */ deh = B_I_DEH(bh, ih); /* new records will be pasted at this point */ insert_point = item + (before ? get_deh_location(&deh[before - 1]) : (get_ih_item_len(ih) - paste_size)); /* adjust locations of records that will be AFTER new records */ for (i = get_ih_entry_count(ih) - 1; i >= before; i--) set_deh_location(deh + i, get_deh_location(deh + i) + DEH_SIZE * new_entry_count); /* adjust locations of records that will be BEFORE new records */ for (i = 0; i < before; i++) set_deh_location(deh + i, get_deh_location(deh + i) + paste_size); old_entry_num = get_ih_entry_count(ih); //ih_entry_count(ih) += new_entry_count; set_ih_entry_count(ih, old_entry_num + new_entry_count); /* prepare space for pasted records */ memmove(insert_point + paste_size, insert_point, item + (get_ih_item_len(ih) - paste_size) - insert_point); /* copy new records */ memcpy(insert_point + DEH_SIZE * new_entry_count, records, paste_size - DEH_SIZE * new_entry_count); /* prepare space for new entry heads */ deh += before; memmove((char *)(deh + new_entry_count), deh, insert_point - (char *)deh); /* copy new entry heads */ memcpy(deh, new_dehs, DEH_SIZE * new_entry_count); /* set locations of new records */ for (i = 0; i < new_entry_count; i++) set_deh_location(deh + i, get_deh_location(deh + i) + (-get_deh_location (&new_dehs[new_entry_count - 1]) + insert_point + DEH_SIZE * new_entry_count - item)); /* change item key if neccessary (when we paste before 0-th entry */ if (!before) set_key_offset_v1(&ih->ih_key, get_deh_offset(new_dehs)); } /* wrappers for operations on one separated node */ void delete_item(reiserfs_filsys_t fs, struct buffer_head *bh, int item_num) { struct buffer_info bi; buffer_info_init_bh(NULL, &bi, bh); bi.bi_fs = fs; leaf_delete_items_entirely(&bi, item_num, 1); } void cut_entry(reiserfs_filsys_t fs, struct buffer_head *bh, int item_num, int entry_num, int del_count) { struct buffer_info bi; buffer_info_init_bh(NULL, &bi, bh); bi.bi_fs = fs; leaf_cut_from_buffer(&bi, item_num, entry_num, del_count); } reiserfsprogs-3.6.25/reiserfscore/prints.c0000644000175000001440000007056112310423334015603 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #include "includes.h" #include #include #include #include #include #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) # include #endif #ifndef HAVE_REGISTER_PRINTF_SPECIFIER #define register_printf_specifier(x, y, z) register_printf_function(x, y, z) static int arginfo_ptr(const struct printf_info *info, size_t n, int *argtypes) #else static int arginfo_ptr(const struct printf_info *info, size_t n, int *argtypes, int *size) #endif { if (n > 0) { argtypes[0] = PA_FLAG_PTR; #ifdef HAVE_REGISTER_PRINTF_SPECIFIER size[0] = sizeof(void *); #endif } return 1; } #define FPRINTF \ if (len == -1) {\ return -1;\ }\ len = fprintf (stream, "%*s",\ info->left ? -info->width : info->width, buffer);\ free (buffer);\ return len;\ /* %b */ static int print_block_head(FILE * stream, const struct printf_info *info, const void *const *args) { const struct buffer_head *bh; char *buffer; int len; bh = *((const struct buffer_head **)(args[0])); len = asprintf(&buffer, "level=%d, nr_items=%d, free_space=%d rdkey", B_LEVEL(bh), B_NR_ITEMS(bh), B_FREE_SPACE(bh)); FPRINTF; } /* %K */ static int print_short_key(FILE * stream, const struct printf_info *info, const void *const *args) { const struct reiserfs_key *key; char *buffer; int len; key = *((const struct reiserfs_key **)(args[0])); len = asprintf(&buffer, "[%u %u]", get_key_dirid(key), get_key_objectid(key)); FPRINTF; } /* %k */ static int print_key(FILE * stream, const struct printf_info *info, const void *const *args) { const struct reiserfs_key *key; char *buffer; int len; key = *((const struct reiserfs_key **)(args[0])); len = asprintf(&buffer, "[%u %u 0x%Lx %s (%d)]", get_key_dirid(key), get_key_objectid(key), (unsigned long long)get_offset(key), key_of_what(key), get_type(key)); FPRINTF; } /* %H */ static int print_item_head(FILE * stream, const struct printf_info *info, const void *const *args) { const struct item_head *ih; char *buffer; int len; ih = *((const struct item_head **)(args[0])); len = asprintf(&buffer, "%u %u 0x%Lx %s (%d), " "len %u, location %u entry count %u, fsck need %u, format %s", get_key_dirid(&ih->ih_key), get_key_objectid(&ih->ih_key), (unsigned long long)get_offset(&ih->ih_key), key_of_what(&ih->ih_key), get_type(&ih->ih_key), get_ih_item_len(ih), get_ih_location(ih), get_ih_entry_count(ih), get_ih_flags(ih), get_ih_key_format(ih) == KEY_FORMAT_2 ? "new" : ((get_ih_key_format(ih) == KEY_FORMAT_1) ? "old" : "BAD")); FPRINTF; } static int print_disk_child(FILE * stream, const struct printf_info *info, const void *const *args) { const struct disk_child *dc; char *buffer; int len; dc = *((const struct disk_child **)(args[0])); len = asprintf(&buffer, "[dc_number=%u, dc_size=%u]", get_dc_child_blocknr(dc), get_dc_child_size(dc)); FPRINTF; } char ftypelet(mode_t mode) { if (S_ISBLK(mode)) return 'b'; if (S_ISCHR(mode)) return 'c'; if (S_ISDIR(mode)) return 'd'; if (S_ISREG(mode)) return '-'; if (S_ISFIFO(mode)) return 'p'; if (S_ISLNK(mode)) return 'l'; if (S_ISSOCK(mode)) return 's'; return '?'; } static int rwx(FILE * stream, mode_t mode) { return fprintf(stream, "%c%c%c", (mode & S_IRUSR) ? 'r' : '-', (mode & S_IWUSR) ? 'w' : '-', (mode & S_IXUSR) ? 'x' : '-'); } /* %M */ static int print_sd_mode(FILE * stream, const struct printf_info *info, const void *const *args) { int len = 0; __u16 mode; mode = *(mode_t *) args[0]; len = fprintf(stream, "%c", ftypelet(mode)); len += rwx(stream, (mode & 0700) << 0); len += rwx(stream, (mode & 0070) << 3); len += rwx(stream, (mode & 0007) << 6); return len; } /* %U */ static int print_sd_uuid(FILE * stream, const struct printf_info *info, const void *const *args) { #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) const unsigned char *uuid = *((const unsigned char **)(args[0])); char buf[37]; buf[36] = '\0'; uuid_unparse(uuid, buf); return fprintf(stream, "%s", buf); #else return fprintf(stream, ""); #endif } void reiserfs_warning(FILE * fp, const char *fmt, ...) { static int registered = 0; va_list args; if (!registered) { registered = 1; register_printf_specifier('K', print_short_key, arginfo_ptr); register_printf_specifier('k', print_key, arginfo_ptr); register_printf_specifier('H', print_item_head, arginfo_ptr); register_printf_specifier('b', print_block_head, arginfo_ptr); register_printf_specifier('y', print_disk_child, arginfo_ptr); register_printf_specifier('M', print_sd_mode, arginfo_ptr); register_printf_specifier('U', print_sd_uuid, arginfo_ptr); } va_start(args, fmt); vfprintf(fp, fmt, args); va_end(args); } static void print_directory_item(FILE *fp, reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { int i; int namelen; struct reiserfs_de_head *deh; char *name; /* static char namebuf [80];*/ if (!I_IS_DIRECTORY_ITEM(ih)) return; //printk ("\n%2%-25s%-30s%-15s%-15s%-15s\n", " Name", "length", "Object key", "Hash", "Gen number", "Status"); reiserfs_warning(fp, "%3s: %-25s%s%-22s%-12s%s\n", "###", "Name", "length", " Object key", " Hash", "Gen number"); deh = B_I_DEH(bh, ih); for (i = 0; i < get_ih_entry_count(ih); i++, deh++) { if (dir_entry_bad_location(deh, ih, i == 0 ? 1 : 0)) { reiserfs_warning(fp, "%3d: wrong entry location %u, deh_offset %u\n", i, get_deh_location(deh), get_deh_offset(deh)); continue; } if (i && dir_entry_bad_location(deh - 1, ih, ((i - 1) == 0) ? 1 : 0)) /* previous entry has bad location so we can not calculate entry length */ namelen = 25; else namelen = name_in_entry_length(ih, deh, i); name = name_in_entry(deh, i); reiserfs_warning(fp, "%3d: \"%-25.*s\"(%3d)%20K%12d%5d, loc %u, state %x %s\n", i, namelen, name, namelen, (struct reiserfs_key *)&(deh->deh2_dir_id), GET_HASH_VALUE(get_deh_offset(deh)), GET_GENERATION_NUMBER(get_deh_offset(deh)), get_deh_location(deh), get_deh_state(deh), code2name(find_hash_in_use (name, namelen, get_deh_offset(deh), fs ? get_sb_hash_code(fs-> fs_ondisk_sb) : UNSET_HASH))); /*fs ? (is_properly_hashed (fs, name, namelen, deh_offset (deh)) ? "" : "(BROKEN)") : "??"); */ } } // // printing of indirect item // static void start_new_sequence(__u32 * start, int *len, __u32 new) { *start = new; *len = 1; } static int sequence_finished(__u32 start, int *len, __u32 new) { if (start == INT_MAX) return 1; if (start == 0 && new == 0) { (*len)++; return 0; } if (start != 0 && (start + *len) == new) { (*len)++; return 0; } return 1; } static void print_sequence(FILE * fp, __u32 start, int len) { if (start == INT_MAX) return; if (len == 1) reiserfs_warning(fp, " %u", start); else reiserfs_warning(fp, " %u(%d)", start, len); } void print_indirect_item(FILE * fp, struct buffer_head *bh, int item_num) { struct item_head *ih; unsigned int j; __le32 *unp; __u32 prev = INT_MAX; int num = 0; ih = item_head(bh, item_num); unp = (__le32 *) ih_item_body(bh, ih); if (get_ih_item_len(ih) % UNFM_P_SIZE) reiserfs_warning(fp, "print_indirect_item: invalid item len"); reiserfs_warning(fp, "%d pointer%s\n[", I_UNFM_NUM(ih), I_UNFM_NUM(ih) != 1 ? "s" : ""); for (j = 0; j < I_UNFM_NUM(ih); j++) { if (sequence_finished(prev, &num, d32_get(unp, j))) { print_sequence(fp, prev, num); start_new_sequence(&prev, &num, d32_get(unp, j)); } } print_sequence(fp, prev, num); reiserfs_warning(fp, "]\n"); } static char timebuf[256]; static char *timestamp(time_t t) { strftime(timebuf, 256, "%d/%Y %T", localtime(&t)); return timebuf; } static int print_stat_data(FILE * fp, struct buffer_head *bh, struct item_head *ih, int alltimes) { int retval; /* we cannot figure out if it is new stat data or old by key_format macro. Stat data's key looks identical in both formats */ if (get_ih_key_format(ih) == KEY_FORMAT_1) { struct stat_data_v1 *sd_v1 = (struct stat_data_v1 *)ih_item_body(bh, ih); reiserfs_warning(fp, "(OLD SD), mode %M, size %u, nlink %u, uid %u, FDB %u, mtime %s blocks %u", sd_v1_mode(sd_v1), sd_v1_size(sd_v1), sd_v1_nlink(sd_v1), sd_v1_uid(sd_v1), sd_v1_first_direct_byte(sd_v1), timestamp(sd_v1_mtime(sd_v1)), sd_v1_blocks(sd_v1)); retval = (S_ISLNK(sd_v1_mode(sd_v1))) ? 1 : 0; if (alltimes) reiserfs_warning(fp, "%s %s\n", timestamp(sd_v1_ctime(sd_v1)), timestamp(sd_v1_atime(sd_v1))); } else { struct stat_data *sd = (struct stat_data *)ih_item_body(bh, ih); reiserfs_warning(fp, "(NEW SD), mode %M, size %Lu, nlink %u, mtime %s blocks %u, uid %u", sd_v2_mode(sd), sd_v2_size(sd), sd_v2_nlink(sd), timestamp(sd_v2_mtime(sd)), sd_v2_blocks(sd), sd_v2_uid(sd)); retval = (S_ISLNK(sd_v2_mode(sd))) ? 1 : 0; if (alltimes) reiserfs_warning(fp, "%s %s\n", timestamp(sd_v2_ctime(sd)), timestamp(sd_v2_atime(sd))); } reiserfs_warning(fp, "\n"); return retval; } /* used by debugreiserfs/scan.c */ void reiserfs_print_item(FILE * fp, struct buffer_head *bh, struct item_head *ih) { reiserfs_warning(fp, "block %lu, item %d: %H\n", bh->b_blocknr, (ih - item_head(bh, 0)) / sizeof(struct item_head), ih); if (is_stat_data_ih(ih)) { print_stat_data(fp, bh, ih, 0 /*all times */ ); return; } if (is_indirect_ih(ih)) { print_indirect_item(fp, bh, ih - item_head(bh, 0)); return; } if (is_direct_ih(ih)) { reiserfs_warning(fp, "direct item: block %lu, start %d, %d bytes\n", bh->b_blocknr, get_ih_location(ih), get_ih_item_len(ih)); return; } print_directory_item(fp, NULL, bh, ih); } /* this prints internal nodes (4 keys/items in line) (dc_number, dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number, dc_size)...*/ static int print_internal(FILE * fp, const struct buffer_head *bh, int first, int last) { struct reiserfs_key *key; struct disk_child *dc; int i; int from, to; if (!is_internal_node(bh)) return 1; if (first == -1) { from = 0; to = B_NR_ITEMS(bh); } else { from = first; to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh); } reiserfs_warning(fp, "INTERNAL NODE (%lu) contains %b\n", bh->b_blocknr, bh); dc = B_N_CHILD(bh, from); reiserfs_warning(fp, "PTR %d: %y ", from, dc); for (i = from, key = internal_key(bh, from), dc++; i < to; i++, key++, dc++) { reiserfs_warning(fp, "KEY %d: %20k PTR %d: %20y ", i, key, i + 1, dc); if (i && i % 4 == 0) reiserfs_warning(fp, "\n"); } reiserfs_warning(fp, "\n"); return 0; } static int is_symlink = 0; static int print_leaf(FILE * fp, reiserfs_filsys_t fs, struct buffer_head *bh, int print_mode, int first, int last) { struct item_head *ih; int i; int from, to; int real_nr, nr; if (!is_tree_node(bh, DISK_LEAF_NODE_LEVEL)) return 1; ih = item_head(bh, 0); real_nr = leaf_count_ih(bh->b_data, bh->b_size); nr = get_blkh_nr_items((struct block_head *)bh->b_data); reiserfs_warning(fp, "\n===================================================================\n"); reiserfs_warning(fp, "LEAF NODE (%lu) contains %b (real items %d)\n", bh->b_blocknr, bh, real_nr); if (!(print_mode & PRINT_TREE_DETAILS)) { reiserfs_warning(fp, "FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n", &(ih->ih_key), &((ih + real_nr - 1)->ih_key)); return 0; } if (first < 0 || first > real_nr - 1) from = 0; else from = first; if (last < 0 || last > real_nr) to = real_nr; else to = last; reiserfs_warning(fp, "-------------------------------------------------------------------------------\n" "|###|type|ilen|f/sp| loc|fmt|fsck| key |\n" "| | | |e/cn| | |need| |\n"); for (i = from; i < to; i++) { reiserfs_warning(fp, "-------------------------------------------------------------------------------\n" "|%3d|%30H|%s\n", i, ih + i, i >= nr ? " DELETED" : ""); if (I_IS_STAT_DATA_ITEM(ih + i)) { is_symlink = print_stat_data(fp, bh, ih + i, 0 /*all times */ ); continue; } if (I_IS_DIRECTORY_ITEM(ih + i)) { print_directory_item(fp, fs, bh, ih + i); continue; } if (I_IS_INDIRECT_ITEM(ih + i)) { print_indirect_item(fp, bh, i); continue; } if (I_IS_DIRECT_ITEM(ih + i)) { int j = 0; if (is_symlink || print_mode & PRINT_DIRECT_ITEMS) { reiserfs_warning(fp, "\""); while (j < get_ih_item_len(&ih[i])) { if (ih_item_body(bh, ih + i)[j] == 10) reiserfs_warning(fp, "\\n"); else reiserfs_warning(fp, "%c", ih_item_body(bh, ih + i) [j]); j++; } reiserfs_warning(fp, "\"\n"); } continue; } } reiserfs_warning(fp, "===================================================================\n"); return 0; } void print_journal_params(FILE * fp, struct journal_params *jp) { reiserfs_warning(fp, "\tDevice [0x%x]\n", get_jp_journal_dev(jp)); reiserfs_warning(fp, "\tMagic [0x%x]\n", get_jp_journal_magic(jp)); reiserfs_warning(fp, "\tSize %u blocks (including 1 for journal header) (first block %u)\n", get_jp_journal_size(jp) + 1, get_jp_journal_1st_block(jp)); reiserfs_warning(fp, "\tMax transaction length %u blocks\n", get_jp_journal_max_trans_len(jp)); reiserfs_warning(fp, "\tMax batch size %u blocks\n", get_jp_journal_max_batch(jp)); reiserfs_warning(fp, "\tMax commit age %u\n", get_jp_journal_max_commit_age(jp)); /*reiserfs_warning (fp, "\tMax transaction age %u\n", get_jp_journal_max_trans_age (jp)); */ } /* return 1 if this is not super block */ int print_super_block(FILE * fp, reiserfs_filsys_t fs, const char *file_name, struct buffer_head *bh, int short_print) { struct reiserfs_super_block *sb = (struct reiserfs_super_block *)(bh->b_data); dev_t rdev; int format = 0; __u16 state; time_t last_check = get_sb_v2_lastcheck(sb); char last_check_buf[26]; if (!does_look_like_super_block(sb)) return 1; rdev = misc_device_rdev(file_name); reiserfs_warning(fp, "Reiserfs super block in block %lu on 0x%x of ", bh->b_blocknr, rdev); switch (get_reiserfs_format(sb)) { case REISERFS_FORMAT_3_5: reiserfs_warning(fp, "format 3.5 with "); format = 1; break; case REISERFS_FORMAT_3_6: reiserfs_warning(fp, "format 3.6 with "); format = 2; break; default: reiserfs_warning(fp, "unknown format with "); break; } if (is_reiserfs_jr_magic_string(sb)) reiserfs_warning(fp, "non-"); reiserfs_warning(fp, "standard journal\n"); if (short_print) { reiserfs_warning(fp, "Blocks (total/free): %u/%u by %d bytes\n", get_sb_block_count(sb), get_sb_free_blocks(sb), get_sb_block_size(sb)); } else { reiserfs_warning(fp, "Count of blocks on the device: %u\n", get_sb_block_count(sb)); reiserfs_warning(fp, "Number of bitmaps: %u", get_sb_bmap_nr(sb)); if (get_sb_bmap_nr(sb) != reiserfs_fs_bmap_nr(fs)) reiserfs_warning(fp, " (really uses %u)", reiserfs_fs_bmap_nr(fs)); reiserfs_warning(fp, "\nBlocksize: %d\n", get_sb_block_size(sb)); reiserfs_warning(fp, "Free blocks (count of blocks - used [journal, " "bitmaps, data, reserved] blocks): %u\n", get_sb_free_blocks(sb)); reiserfs_warning(fp, "Root block: %u\n", get_sb_root_block(sb)); } reiserfs_warning(fp, "Filesystem is %sclean\n", (get_sb_umount_state(sb) == FS_CLEANLY_UMOUNTED) ? "" : "NOT "); if (short_print) return 0; reiserfs_warning(fp, "Tree height: %d\n", get_sb_tree_height(sb)); reiserfs_warning(fp, "Hash function used to sort names: %s\n", code2name(get_sb_hash_code(sb))); reiserfs_warning(fp, "Objectid map size %d, max %d\n", get_sb_oid_cursize(sb), get_sb_oid_maxsize(sb)); reiserfs_warning(fp, "Journal parameters:\n"); print_journal_params(fp, sb_jp(sb)); reiserfs_warning(fp, "Blocks reserved by journal: %u\n", get_sb_reserved_for_journal(sb)); state = get_sb_fs_state(sb); reiserfs_warning(fp, "Fs state field: 0x%x:\n", state); if ((state & FS_FATAL) == FS_FATAL) reiserfs_warning(fp, "\tFATAL corruptions exist.\n"); if ((state & FS_ERROR) == FS_ERROR) reiserfs_warning(fp, "\t some corruptions exist.\n"); if ((state & IO_ERROR) == IO_ERROR) reiserfs_warning(fp, "\tI/O corruptions exist.\n"); reiserfs_warning(fp, "sb_version: %u\n", get_sb_version(sb)); if (format == 2) { reiserfs_warning(fp, "inode generation number: %u\n", get_sb_v2_inode_generation(sb)); reiserfs_warning(fp, "UUID: %U\n", sb->s_uuid); reiserfs_warning(fp, "LABEL: %.16s\n", sb->s_label); reiserfs_warning(fp, "Set flags in SB:\n"); if ((get_sb_v2_flag(sb, reiserfs_attrs_cleared))) reiserfs_warning(fp, "\tATTRIBUTES CLEAN\n"); reiserfs_warning(fp, "Mount count: %u\n", get_sb_v2_mnt_count(sb)); reiserfs_warning(fp, "Maximum mount count: "); if (get_sb_v2_max_mnt_count(sb) && get_sb_v2_max_mnt_count(sb) != USHRT_MAX) reiserfs_warning(fp, "%u\n", get_sb_v2_max_mnt_count(sb)); else if (get_sb_v2_max_mnt_count(sb) == USHRT_MAX) reiserfs_warning(fp, "Administratively disabled.\n"); else reiserfs_warning(fp, "Disabled. Run fsck.reiserfs(8) or use tunefs.reiserfs(8) to enable.\n"); if (last_check) { ctime_r(&last_check, last_check_buf); reiserfs_warning(fp, "Last fsck run: %s", last_check_buf); } else reiserfs_warning(fp, "Last fsck run: Never with a version " "that supports this feature.\n"); reiserfs_warning(fp, "Check interval in days: "); if (get_sb_v2_check_interval(sb) && get_sb_v2_check_interval(sb) != UINT_MAX) reiserfs_warning(fp, "%u\n", get_sb_v2_check_interval(sb) / (24 * 60 * 60)); else if (get_sb_v2_check_interval(sb) == UINT_MAX) reiserfs_warning(fp, "Administratively disabled.\n"); else reiserfs_warning(fp, "Disabled. Run fsck.reiserfs(8) or use tunefs.reiserfs(8) to enable.\n"); } return 0; } void print_filesystem_state(FILE * fp, reiserfs_filsys_t fs) { reiserfs_warning(fp, "\nFilesystem state: "); if (reiserfs_is_fs_consistent(fs)) reiserfs_warning(fp, "consistent\n\n"); else reiserfs_warning(fp, "consistency is not checked after last mounting\n\n"); } static int print_desc_block(FILE * fp, struct buffer_head *bh) { if (memcmp(get_jd_magic(bh), JOURNAL_DESC_MAGIC, 8)) return 1; reiserfs_warning(fp, "Desc block %lu (j_trans_id %ld, j_mount_id %ld, j_len %ld)\n", bh->b_blocknr, get_desc_trans_id(bh), get_desc_mount_id(bh), get_desc_trans_len(bh)); return 0; } void print_block(FILE * fp, reiserfs_filsys_t fs, struct buffer_head *bh, ...) //int print_mode, int first, int last) { va_list args; int mode, first, last; const char *file_name; va_start(args, bh); if (!bh) { reiserfs_warning(stderr, "print_block: buffer is NULL\n"); return; } mode = va_arg(args, int); first = va_arg(args, int); last = va_arg(args, int); file_name = (fs) ? fs->fs_file_name : NULL; if (print_desc_block(fp, bh)) if (print_super_block(fp, fs, file_name, bh, 0)) if (print_leaf(fp, fs, bh, mode, first, last)) if (print_internal(fp, bh, first, last)) reiserfs_warning(fp, "Block %lu contains unformatted data\n", bh->b_blocknr); } void print_tb(int mode, int item_pos, int pos_in_item, struct tree_balance *tb, const char *mes) { unsigned int h = 0; struct buffer_head *tbSh, *tbFh; if (!tb) return; printf("\n********************** PRINT_TB for %s *******************\n", mes); printf("MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n", mode, item_pos, pos_in_item); printf ("*********************************************************************\n"); printf ("* h * S * L * R * F * FL * FR * CFL * CFR *\n"); /* 01234567890123456789012345678901234567890123456789012345678901234567890123456789 1 2 3 4 5 6 7 8 printk ("*********************************************************************\n"); */ for (h = 0; h < sizeof(tb->insert_size) / sizeof(tb->insert_size[0]); h++) { if (PATH_H_PATH_OFFSET(tb->tb_path, h) <= tb->tb_path->path_length && PATH_H_PATH_OFFSET(tb->tb_path, h) > ILLEGAL_PATH_ELEMENT_OFFSET) { tbSh = PATH_H_PBUFFER(tb->tb_path, h); tbFh = PATH_H_PPARENT(tb->tb_path, h); } else { /* printk ("print_tb: h=%d, PATH_H_PATH_OFFSET=%d, path_length=%d\n", h, PATH_H_PATH_OFFSET (tb->tb_path, h), tb->tb_path->path_length); */ tbSh = NULL; tbFh = NULL; } printf ("* %u * %3lu(%2lu) * %3lu(%2lu) * %3lu(%2lu) * %5lu * %5lu * %5lu * %5lu * %5lu *\n", h, tbSh ? tbSh->b_blocknr : ~0ul, tbSh ? tbSh->b_count : ~0ul, tb->L[h] ? tb->L[h]->b_blocknr : ~0ul, tb->L[h] ? tb->L[h]->b_count : ~0ul, tb->R[h] ? tb->R[h]->b_blocknr : ~0ul, tb->R[h] ? tb->R[h]->b_count : ~0ul, tbFh ? tbFh->b_blocknr : ~0ul, tb->FL[h] ? tb->FL[h]->b_blocknr : ~0ul, tb->FR[h] ? tb->FR[h]->b_blocknr : ~0ul, tb->CFL[h] ? tb->CFL[h]->b_blocknr : ~0ul, tb->CFR[h] ? tb->CFR[h]->b_blocknr : ~0ul); } printf ("*********************************************************************\n"); /* print balance parameters for leaf level */ h = 0; printf ("* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"); printf ("* %d * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n", h, tb->insert_size[h], tb->lnum[h], tb->lbytes, tb->rnum[h], tb->rbytes, tb->blknum[h], tb->s0num, tb->s1num, tb->s1bytes, tb->s2num, tb->s2bytes, tb->cur_blknum, tb->lkey[h], tb->rkey[h]); /* this prints balance parameters for non-leaf levels */ do { h++; printf("* %d * %4d * %2d * * %2d * * %2d *\n", h, tb->insert_size[h], tb->lnum[h], tb->rnum[h], tb->blknum[h]); } while (tb->insert_size[h]); printf ("*********************************************************************\n"); /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */ for (h = 0; h < sizeof(tb->FEB) / sizeof(tb->FEB[0]); h++) printf("%s%p (%lu %d)", h == 0 ? "FEB list: " : ", ", tb->FEB[h], tb->FEB[h] ? tb->FEB[h]->b_blocknr : 0, tb->FEB[h] ? tb->FEB[h]->b_count : 0); printf("\n"); printf ("********************** END OF PRINT_TB *******************\n\n"); } static void print_bmap_block(FILE * fp, int i, unsigned long block, const char *map, int blocks, int silent, int blocksize) { int j, k; int bits = blocksize * 8; int zeros = 0, ones = 0; reiserfs_warning(fp, "#%d: block %lu: ", i, block); blocks = blocksize * 8; if (misc_test_bit(0, map)) { /* first block addressed by this bitmap block is used */ ones++; if (!silent) reiserfs_warning(fp, "Busy (%d-", i * bits); for (j = 1; j < blocks; j++) { while (misc_test_bit(j, map)) { ones++; if (j == blocks - 1) { if (!silent) reiserfs_warning(fp, "%d)\n", j + i * bits); goto end; } j++; } if (!silent) reiserfs_warning(fp, "%d) Free(%d-", j - 1 + i * bits, j + i * bits); while (!misc_test_bit(j, map)) { zeros++; if (j == blocks - 1) { if (!silent) reiserfs_warning(fp, "%d)\n", j + i * bits); goto end; } j++; } if (!silent) reiserfs_warning(fp, "%d) Busy(%d-", j - 1 + i * bits, j + i * bits); j--; end: /* to make gcc 3.2 do not sware here */ ; } } else { /* first block addressed by this bitmap is free */ zeros++; if (!silent) reiserfs_warning(fp, "Free (%d-", i * bits); for (j = 1; j < blocks; j++) { k = 0; while (!misc_test_bit(j, map)) { k++; if (j == blocks - 1) { if (!silent) reiserfs_warning(fp, "%d)\n", j + i * bits); zeros += k; goto end2; } j++; } zeros += k; if (!silent) reiserfs_warning(fp, "%d) Busy(%d-", j - 1 + i * bits, j + i * bits); k = 0; while (misc_test_bit(j, map)) { ones++; if (j == blocks - 1) { if (!silent) reiserfs_warning(fp, "%d)\n", j + i * bits); ones += k; goto end2; } j++; } ones += k; if (!silent) reiserfs_warning(fp, "%d) Free(%d-", j - 1 + i * bits, j + i * bits); j--; end2: /* to make gcc 3.2 do not sware here */ ; } } reiserfs_warning(fp, "used %d, free %d\n", ones, zeros); } /* read bitmap of disk and print details */ void print_bmap(FILE * fp, reiserfs_filsys_t fs, int silent) { struct reiserfs_super_block *sb; int bmap_nr; int i; int bits_per_block; int blocks; unsigned long block; struct buffer_head *bh; sb = fs->fs_ondisk_sb; bmap_nr = reiserfs_fs_bmap_nr(fs); bits_per_block = fs->fs_blocksize * 8; blocks = bits_per_block; reiserfs_warning(fp, "Bitmap blocks are:\n"); block = fs->fs_super_bh->b_blocknr + 1; for (i = 0; i < bmap_nr; i++) { bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "print_bmap: bread failed for %d: %lu\n", i, block); continue; } if (i == bmap_nr - 1) if (get_sb_block_count(sb) % bits_per_block) blocks = get_sb_block_count(sb) % bits_per_block; print_bmap_block(fp, i, block, bh->b_data, blocks, silent, fs->fs_blocksize); brelse(bh); if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } } void print_objectid_map(FILE * fp, reiserfs_filsys_t fs) { int i; struct reiserfs_super_block *sb; __le32 *omap; sb = fs->fs_ondisk_sb; if (fs->fs_format == REISERFS_FORMAT_3_6) omap = (__le32 *) (sb + 1); else if (fs->fs_format == REISERFS_FORMAT_3_5) omap = (__le32 *) ((struct reiserfs_super_block_v1 *)sb + 1); else { reiserfs_warning(fp, "print_objectid_map: proper signature is not found\n"); return; } reiserfs_warning(fp, "Map of objectids (super block size %d)\n", (char *)omap - (char *)sb); for (i = 0; i < get_sb_oid_cursize(sb); i++) { if (i % 2 == 0) { reiserfs_warning(fp, "busy(%u-%u) ", le32_to_cpu(omap[i]), le32_to_cpu(omap[i + 1]) - 1); } else { reiserfs_warning(fp, "free(%u-%u) ", le32_to_cpu(omap[i]), ((i + 1) == get_sb_oid_cursize(sb)) ? ~(__u32) 0 : (le32_to_cpu(omap[i + 1]) - 1)); } } reiserfs_warning(fp, "\nObject id array has size %d (max %d):", get_sb_oid_cursize(sb), get_sb_oid_maxsize(sb)); for (i = 0; i < get_sb_oid_cursize(sb); i++) reiserfs_warning(fp, "%s%u ", i % 2 ? "" : "*", le32_to_cpu(omap[i])); reiserfs_warning(fp, "\n"); } void print_journal_header(reiserfs_filsys_t fs) { struct reiserfs_journal_header *j_head; j_head = (struct reiserfs_journal_header *)(fs->fs_jh_bh->b_data); reiserfs_warning(stdout, "Journal header (block #%lu of %s):\n" "\tj_last_flush_trans_id %ld\n" "\tj_first_unflushed_offset %ld\n" "\tj_mount_id %ld\n", fs->fs_jh_bh->b_blocknr, fs->fs_j_file_name, get_jh_last_flushed(j_head), get_jh_replay_start_offset(j_head), get_jh_mount_id(j_head)); print_journal_params(stdout, &j_head->jh_journal); } static void print_trans_element(reiserfs_filsys_t fs, reiserfs_trans_t *trans, unsigned int index, unsigned long in_journal, unsigned long in_place) { if (index % 8 == 0) reiserfs_warning(stdout, "#%d\t", index); reiserfs_warning(stdout, "%lu->%lu%s ", in_journal, in_place, block_of_bitmap(fs, in_place) ? "B" : ""); if ((index + 1) % 8 == 0 || index == trans->trans_len - 1) reiserfs_warning(stdout, "\n"); } void print_one_transaction(reiserfs_filsys_t fs, reiserfs_trans_t *trans) { reiserfs_warning(stdout, "Mountid %u, transid %u, desc %lu, length %u, commit %lu\n", trans->mount_id, trans->trans_id, trans->desc_blocknr, trans->trans_len, trans->commit_blocknr); for_each_block(fs, trans, print_trans_element); } /* print all valid transactions and found dec blocks */ void print_journal(reiserfs_filsys_t fs) { if (!reiserfs_journal_opened(fs)) { reiserfs_warning(stderr, "print_journal: journal is not opened\n"); return; } print_journal_header(fs); for_each_transaction(fs, print_one_transaction); } reiserfsprogs-3.6.25/reiserfscore/stree.c0000644000175000001440000003335412310423334015405 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* * Written by Anatoly P. Pinchuk pap@namesys.botik.ru * Programm System Institute * Pereslavl-Zalessky Russia */ /* * This file contains functions dealing with internal tree * * comp_keys * comp_short_keys * bin_search * get_lkey * get_rkey * key_in_buffer * decrement_bcount * decrement_counters_in_path * pathrelse * search_by_key * search_for_position_by_key * comp_items * prepare_for_delete_or_cut * calc_deleted_bytes_number * init_tb_struct * reiserfs_delete_item * indirect_to_direct * maybe_indirect_to_direct * reiserfs_cut_from_item * reiserfs_cut_dir_entry * reiserfs_paste_into_item * reiserfs_insert_item */ #include "includes.h" /* Does the buffer contain a disk block which is in the tree. */ inline int B_IS_IN_TREE(const struct buffer_head *p_s_bh) { return (get_blkh_level(B_BLK_HEAD(p_s_bh)) != FREE_LEVEL); } /* Compare keys using REISERFS_SHORT_KEY_LEN fields. Returns: -1 if key1 < key2 0 if key1 = key2 1 if key1 > key2 */ int comp_short_keys(const void *k1, const void *k2) { int n_key_length = REISERFS_SHORT_KEY_LEN; __le32 *p_s_key1 = (__le32 *) k1; __le32 *p_s_key2 = (__le32 *) k2; __u32 u1, u2; for (; n_key_length--; ++p_s_key1, ++p_s_key2) { u1 = d32_get(p_s_key1, 0); u2 = d32_get(p_s_key2, 0); if (u1 < u2) return -1; if (u1 > u2) return 1; } return 0; } int comp_keys_3(const void *p1, const void *p2) { int retval; const struct reiserfs_key *k1 = p1; const struct reiserfs_key *k2 = p2; loff_t off1, off2; retval = comp_short_keys(k1, k2); if (retval) return retval; off1 = get_offset(k1); off2 = get_offset(k2); if (off1 < off2) return -1; if (off1 > off2) return 1; return 0; } /* Compare keys using all 4 key fields. Returns: -1 if key1 < key2 0 if key1 = key2 1 if key1 > key2 */ int comp_keys(const void *p1, const void *p2) { int retval; const struct reiserfs_key *k1 = p1; const struct reiserfs_key *k2 = p2; __u32 u1, u2; retval = comp_keys_3(k1, k2); if (retval) return retval; u1 = get_type(k1); u2 = get_type(k2); if (u1 < u2) return -1; if (u1 > u2) return 1; return 0; } /************************************************************************** * Binary search toolkit function * * Search for an item in the array by the item key * * Returns: 1 if found, 0 if not found; * * *p_n_pos = number of the searched element if found, else the * * number of the first element that is larger than p_v_key. * **************************************************************************/ /* For those not familiar with binary search: n_lbound is the leftmost item that it could be, n_rbound the rightmost item that it could be. We examine the item halfway between n_lbound and n_rbound, and that tells us either that we can increase n_lbound, or decrease n_rbound, or that we have found it, or if n_lbound <= n_rbound that there are no possible items, and we have not found it. With each examination we cut the number of possible items it could be by one more than half rounded down, or we find it. */ int bin_search(const void *p_v_key, /* Key to search for. */ const void *p_v_base, /* First item in the array. */ int p_n_num, /* Number of items in the array. */ int p_n_width, /* Item size in the array. searched. Lest the reader be confused, note that this is crafted as a general function, and when it is applied specifically to the array of item headers in a node, p_n_width is actually the item header size not the item size. */ unsigned int *p_n_pos /* Number of the searched for element. */ ) { int n_rbound, n_lbound, n_j; for (n_j = ((n_rbound = p_n_num - 1) + (n_lbound = 0)) / 2; n_lbound <= n_rbound; n_j = (n_rbound + n_lbound) / 2) switch (COMP_KEYS ((struct reiserfs_key *)((char *)p_v_base + n_j * p_n_width), p_v_key)) { case -1: n_lbound = n_j + 1; continue; case 1: n_rbound = n_j - 1; continue; case 0: *p_n_pos = n_j; return ITEM_FOUND; /* Key found in the array. */ } /* bin_search did not find given key, it returns position of key, that is minimal and greater than the given one. */ *p_n_pos = n_lbound; return ITEM_NOT_FOUND; } /* Minimal possible key. It is never in the tree. */ const struct reiserfs_key MIN_KEY = { constant_cpu_to_le32(0), constant_cpu_to_le32(0), {{constant_cpu_to_le32(0), constant_cpu_to_le32(0)},} }; /* Maximal possible key. It is never in the tree. */ const struct reiserfs_key MAX_KEY = { constant_cpu_to_le32(0xffffffff), constant_cpu_to_le32(0xffffffff), {{constant_cpu_to_le32(0xffffffff), constant_cpu_to_le32(0xffffffff)},} }; /* Get delimiting key of the buffer by looking for it in the buffers in the path, starting from the bottom of the path, and going upwards. We must check the path's validity at each step. If the key is not in the path, there is no delimiting key in the tree (buffer is first or last buffer in tree), and in this case we return a special key, either MIN_KEY or MAX_KEY. */ static const struct reiserfs_key *get_lkey(const struct reiserfs_path *p_s_chk_path, const reiserfs_filsys_t fs) { struct reiserfs_super_block *sb; int n_position, n_path_offset = p_s_chk_path->path_length; struct buffer_head *p_s_parent; sb = fs->fs_ondisk_sb; /* While not higher in path than first element. */ while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) { /* Parent at the path is not in the tree now. */ if (!B_IS_IN_TREE (p_s_parent = PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset))) return &MAX_KEY; /* Check whether position in the parent is correct. */ if ((n_position = PATH_OFFSET_POSITION(p_s_chk_path, n_path_offset)) > B_NR_ITEMS(p_s_parent)) return &MAX_KEY; /* Check whether parent at the path really points to the child. */ if (get_dc_child_blocknr(B_N_CHILD(p_s_parent, n_position)) != PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset + 1)->b_blocknr) return &MAX_KEY; /* Return delimiting key if position in the parent is not equal to zero. */ if (n_position) return internal_key(p_s_parent, n_position - 1); } /* Return MIN_KEY if we are in the root of the buffer tree. */ if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)-> b_blocknr == get_sb_root_block(sb)) return &MIN_KEY; return &MAX_KEY; } /* Get delimiting key of the buffer at the path and its right neighbor. */ const struct reiserfs_key *get_rkey(const struct reiserfs_path *p_s_chk_path, const reiserfs_filsys_t fs) { struct reiserfs_super_block *sb; int n_position, n_path_offset = p_s_chk_path->path_length; struct buffer_head *p_s_parent; sb = fs->fs_ondisk_sb; while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) { /* Parent at the path is not in the tree now. */ if (!B_IS_IN_TREE (p_s_parent = PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset))) return &MIN_KEY; /* Check whether position in the parrent is correct. */ if ((n_position = PATH_OFFSET_POSITION(p_s_chk_path, n_path_offset)) > B_NR_ITEMS(p_s_parent)) return &MIN_KEY; /* Check whether parent at the path really points to the child. */ if (get_dc_child_blocknr(B_N_CHILD(p_s_parent, n_position)) != PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset + 1)->b_blocknr) return &MIN_KEY; /* Return delimiting key if position in the parent is not the last one. */ if (n_position != B_NR_ITEMS(p_s_parent)) return internal_key(p_s_parent, n_position); } /* Return MAX_KEY if we are in the root of the buffer tree. */ if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)-> b_blocknr == get_sb_root_block(sb)) return &MAX_KEY; return &MIN_KEY; } /* Check whether a key is contained in the tree rooted from a buffer at a path. This works by looking at the left and right delimiting keys for the buffer in the last path_element in the path. These delimiting keys are stored at least one level above that buffer in the tree. If the buffer is the first or last node in the tree order then one of the delimiting keys may be absent, and in this case get_lkey and get_rkey return a special key which is MIN_KEY or MAX_KEY. */ static inline int key_in_buffer(const struct reiserfs_path *p_s_chk_path, /* Path which should be checked. */ const struct reiserfs_key *p_s_key, /* Key which should be checked. */ reiserfs_filsys_t fs /* Super block pointer. */ ) { if (COMP_KEYS(get_lkey(p_s_chk_path, fs), p_s_key) == 1) return 0; if (COMP_KEYS(p_s_key, get_rkey(p_s_chk_path, fs)) != -1) return 0; return 1; } /* Release all buffers in the path. */ void pathrelse(struct reiserfs_path *p_s_search_path) { int n_path_offset = p_s_search_path->path_length; while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET) brelse(PATH_OFFSET_PBUFFER(p_s_search_path, n_path_offset--)); p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; } /************************************************************************** * Algorithm SearchByKey * * look for item in internal tree on the disk by its key * * Input: p_s_sb - super block * * p_s_key - pointer to the key to search * * Output: true value - 1 - found, 0 - not found * * p_s_search_path - path from the root to the needed leaf * **************************************************************************/ /* This function fills up the path from the root to the leaf as it descends the tree looking for the key. It uses reiserfs_bread to try to find buffers in the cache given their block number. If it does not find them in the cache it reads them from disk. For each node search_by_key finds using reiserfs_bread it then uses bin_search to look through that node. bin_search will find the position of the block_number of the next node if it is looking through an internal node. If it is looking through a leaf node bin_search will find the position of the item which has key either equal to given key, or which is the maximal key less than the given key. search_by_key returns a path that must be checked for the correctness of the top of the path but need not be checked for the correctness of the bottom of the path */ int search_by_key(reiserfs_filsys_t fs, const struct reiserfs_key *p_s_key, /* Key to search */ struct reiserfs_path *p_s_search_path, /* This structure was allocated and initialized by the calling function. It is filled up by this function. */ int n_stop_level) { /* How far down the tree to search. */ struct reiserfs_super_block *sb; unsigned int n_block_number, expected_level, n_block_size = fs->fs_blocksize; struct buffer_head *p_s_bh; struct reiserfs_path_element *p_s_last_element; int n_retval; sb = fs->fs_ondisk_sb; n_block_number = get_sb_root_block(sb); expected_level = get_sb_tree_height(sb); /* As we add each node to a path we increase its count. This means that we must be careful to release all nodes in a path before we either discard the path struct or re-use the path struct, as we do here. */ pathrelse(p_s_search_path); /* With each iteration of this loop we search through the items in the current node, and calculate the next current node(next path element) for the next iteration of this loop.. */ while (1) { /* prep path to have another element added to it. */ p_s_last_element = PATH_OFFSET_PELEMENT(p_s_search_path, ++p_s_search_path->path_length); expected_level--; /* Read the next tree node, and set the last element in the path to have a pointer to it. */ if (!(p_s_bh = p_s_last_element->pe_buffer = bread(fs->fs_dev, n_block_number, n_block_size))) { p_s_search_path->path_length--; pathrelse(p_s_search_path); return IO_ERROR; } /* It is possible that schedule occured. We must check whether the key to search is still in the tree rooted from the current buffer. If not then repeat search from the root. */ if (!B_IS_IN_TREE(p_s_bh) || !key_in_buffer(p_s_search_path, p_s_key, fs)) reiserfs_panic ("search_by_key: something wrong with the tree"); /* make sure, that the node contents look like a node of certain level */ if (!is_tree_node(p_s_bh, expected_level)) { print_block(stderr, NULL, p_s_bh, 3, -1, -1); reiserfs_panic("search_by_key: expected level %d", expected_level); } /* ok, we have acquired next formatted node in the tree */ n_retval = bin_search(p_s_key, item_head(p_s_bh, 0), B_NR_ITEMS(p_s_bh), is_leaf_node(p_s_bh) ? IH_SIZE : KEY_SIZE, &(p_s_last_element->pe_position)); if (get_blkh_level(B_BLK_HEAD(p_s_bh)) == n_stop_level) return n_retval; /* we are not in the stop level */ if (n_retval == ITEM_FOUND) /* item has been found, so we choose the pointer which is to the right of the found one */ p_s_last_element->pe_position++; /* if item was not found we choose the position which is to the left of the found item. This requires no code, bin_search did it already. */ /* So we have chosen a position in the current node which is an internal node. Now we calculate child block number by position in the node. */ n_block_number = get_dc_child_blocknr(B_N_CHILD (p_s_bh, p_s_last_element->pe_position)); } } reiserfsprogs-3.6.25/reiserfscore/node_formats.c0000644000175000001440000007455112310423334016747 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "includes.h" int leaf_count_ih(const char *buf, int blocksize) { const struct item_head *ih; int prev_location; int nr; /* look at the table of item head */ prev_location = blocksize; ih = (struct item_head *)(buf + BLKH_SIZE); nr = 0; while (1) { if (get_ih_location(ih) + get_ih_item_len(ih) != prev_location) break; if (get_ih_location(ih) < IH_SIZE * (nr + 1) + BLKH_SIZE) break; if (get_ih_item_len(ih) > MAX_ITEM_LEN(blocksize)) break; prev_location = get_ih_location(ih); ih++; nr++; } return nr; } int leaf_free_space_estimate(const char *buf, int blocksize) { const struct block_head *blkh; const struct item_head *ih; int nr; blkh = (struct block_head *)buf; nr = get_blkh_nr_items(blkh); ih = (struct item_head *)(buf + BLKH_SIZE) + nr - 1; return (nr ? get_ih_location(ih) : blocksize) - BLKH_SIZE - IH_SIZE * nr; } static int leaf_blkh_correct(const char *buf, int blocksize) { struct block_head *blkh; unsigned int nr; blkh = (struct block_head *)buf; if (!is_leaf_block_head(buf)) return 0; nr = get_blkh_nr_items(blkh); if (nr > ((blocksize - BLKH_SIZE) / (IH_SIZE + MIN_ITEM_LEN))) /* item number is too big or too small */ return 0; return leaf_free_space_estimate(buf, blocksize) == get_blkh_free_space(blkh); } int is_a_leaf(const char *buf, int blocksize) { const struct block_head *blkh; int counted; blkh = (struct block_head *)buf; if (!is_leaf_block_head(buf)) return 0; counted = leaf_count_ih(buf, blocksize); /* if leaf block header is ok, check item count also. */ if (leaf_blkh_correct(buf, blocksize)) return counted >= get_blkh_nr_items(blkh) ? THE_LEAF : HAS_IH_ARRAY; /* leaf block header is corrupted, it is ih_array if some items were detected. */ return counted ? HAS_IH_ARRAY : 0; } int leaf_item_number_estimate(const struct buffer_head *bh) { const struct block_head *blkh; int nr; nr = leaf_count_ih(bh->b_data, bh->b_size); blkh = (const struct block_head *)bh->b_data; return nr >= get_blkh_nr_items(blkh) ? get_blkh_nr_items(blkh) : nr; } #if 0 /* this only checks block header and item head array (ih_location-s and ih_item_len-s). Item internals are not checked */ int does_node_look_like_a_leaf(char *buf, int blocksize) { struct block_head *blkh; struct item_head *ih; int used_space; int prev_location; int i; int nr; blkh = (struct block_head *)buf; if (!is_leaf_block_head(buf)) return 0; nr = get_blkh_nr_items(blkh); if (nr < 0 || nr > ((blocksize - BLKH_SIZE) / (IH_SIZE + MIN_ITEM_LEN))) /* item number is too big or too small */ return 0; ih = (struct item_head *)(buf + BLKH_SIZE) + nr - 1; used_space = BLKH_SIZE + IH_SIZE * nr + (blocksize - (nr ? get_ih_location(ih) : blocksize)); if (used_space != blocksize - get_blkh_free_space(blkh)) /* free space does not match to calculated amount of use space */ return 0; // FIXME: it is_leaf will hit performance too much - we may have // return 1 here /* check tables of item heads */ ih = (struct item_head *)(buf + BLKH_SIZE); prev_location = blocksize; for (i = 0; i < nr; i++, ih++) { /* items of zero length are allowed - they may exist for short time during balancing */ if (get_ih_location(ih) > blocksize || get_ih_location(ih) < IH_SIZE * nr) return 0; if ( /*ih_item_len (ih) < 1 || */ get_ih_item_len(ih) > MAX_ITEM_LEN(blocksize)) return 0; if (prev_location - get_ih_location(ih) != get_ih_item_len(ih)) return 0; prev_location = get_ih_location(ih); } // one may imagine much more checks return 1; } /* check ih_item_len and ih_location. Should be useful when block head is corrupted */ static int does_node_have_ih_array(char *buf, int blocksize) { struct item_head *ih; int prev_location; int nr; /* look at the table of item head */ prev_location = blocksize; ih = (struct item_head *)(buf + BLKH_SIZE); nr = 0; while (1) { if (get_ih_location(ih) + get_ih_item_len(ih) != prev_location) break; prev_location = get_ih_location(ih); ih++; nr++; } if (nr < 2) return 0; return nr; } #endif /* returns 1 if buf looks like an internal node, 0 otherwise */ static int is_correct_internal(const char *buf, int blocksize) { const struct block_head *blkh; unsigned int nr; int used_space; blkh = (struct block_head *)buf; if (!is_internal_block_head(buf)) return 0; nr = get_blkh_nr_items(blkh); if (nr > (blocksize - BLKH_SIZE - DC_SIZE) / (KEY_SIZE + DC_SIZE)) /* for internal which is not root we might check min number of keys */ return 0; used_space = BLKH_SIZE + KEY_SIZE * nr + DC_SIZE * (nr + 1); if (used_space != blocksize - get_blkh_free_space(blkh)) return 0; // one may imagine much more checks return 1; } // make sure that bh contains formatted node of reiserfs tree of // 'level'-th level int is_tree_node(struct buffer_head *bh, int level) { if (B_LEVEL(bh) != level) return 0; if (is_leaf_node(bh)) return is_a_leaf(bh->b_data, bh->b_size); return is_correct_internal(bh->b_data, bh->b_size); } static int is_desc_block(const char *buf, unsigned long buf_size) { const struct reiserfs_journal_desc *desc = (struct reiserfs_journal_desc *)buf; if (!memcmp(buf + buf_size - 12, JOURNAL_DESC_MAGIC, 8) && le32_to_cpu(desc->j2_len) > 0) return 1; return 0; } int is_reiserfs_3_5_magic_string(struct reiserfs_super_block *rs) { return (!strncmp(rs->s_v1.s_magic, REISERFS_3_5_SUPER_MAGIC_STRING, strlen(REISERFS_3_5_SUPER_MAGIC_STRING))); } int is_reiserfs_3_6_magic_string(struct reiserfs_super_block *rs) { return (!strncmp(rs->s_v1.s_magic, REISERFS_3_6_SUPER_MAGIC_STRING, strlen(REISERFS_3_6_SUPER_MAGIC_STRING))); } int is_reiserfs_jr_magic_string(struct reiserfs_super_block *rs) { return (!strncmp(rs->s_v1.s_magic, REISERFS_JR_SUPER_MAGIC_STRING, strlen(REISERFS_JR_SUPER_MAGIC_STRING))); } int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs) { if (is_reiserfs_3_5_magic_string(rs) || is_reiserfs_3_6_magic_string(rs) || is_reiserfs_jr_magic_string(rs)) return 1; return 0; } int get_reiserfs_format(struct reiserfs_super_block *sb) { /* after conversion to 3.6 format we change magic correctly, but do not change sb_format. When we create non-standard journal field format in sb get adjusted correctly. Thereby, for standard journal we should rely on magic and for non-standard - on format */ if (is_reiserfs_3_5_magic_string(sb) || (is_reiserfs_jr_magic_string(sb) && get_sb_version(sb) == REISERFS_FORMAT_3_5)) return REISERFS_FORMAT_3_5; if (is_reiserfs_3_6_magic_string(sb) || (is_reiserfs_jr_magic_string(sb) && get_sb_version(sb) == REISERFS_FORMAT_3_6)) return REISERFS_FORMAT_3_6; return REISERFS_FORMAT_UNKNOWN; } int reiserfs_super_block_size(struct reiserfs_super_block *sb) { switch (get_reiserfs_format(sb)) { case REISERFS_FORMAT_3_5: return SB_SIZE_V1; case REISERFS_FORMAT_3_6: return SB_SIZE; } reiserfs_panic("Unknown format found"); return 0; } /* this one had signature in different place of the super_block structure */ int is_prejournaled_reiserfs(struct reiserfs_super_block *rs) { return (!strncmp((char *)rs + REISERFS_SUPER_MAGIC_STRING_OFFSET_NJ, REISERFS_3_5_SUPER_MAGIC_STRING, strlen(REISERFS_3_5_SUPER_MAGIC_STRING))); } int does_look_like_super_block(struct reiserfs_super_block *sb) { if (!is_any_reiserfs_magic_string(sb)) return 0; if (!is_blocksize_correct(get_sb_block_size(sb))) return 0; return 1; } /* returns code of reiserfs metadata block (leaf, internal, super block, journal descriptor), unformatted */ int who_is_this(const char *buf, int blocksize) { int res; /* super block? */ if (does_look_like_super_block((void *)buf)) return THE_SUPER; if ((res = is_a_leaf(buf, blocksize))) /* if block head and item head array seem matching (node level, free space, item number, item locations and length), then it is THE_LEAF, otherwise, it is HAS_IH_ARRAY */ return res; if (is_correct_internal(buf, blocksize)) return THE_INTERNAL; /* journal descriptor block? */ if (is_desc_block(buf, blocksize)) return THE_JDESC; /* contents of buf does not look like reiserfs metadata. Bitmaps are possible here */ return THE_UNKNOWN; } char *which_block(int code) { static char *leaf = "leaf"; static char *broken_leaf = "broken leaf"; static char *internal = "internal"; static char *other = "unknown"; switch (code) { case THE_LEAF: return leaf; case HAS_IH_ARRAY: return broken_leaf; case THE_INTERNAL: return internal; } return other; } /** */ int block_of_journal(reiserfs_filsys_t fs, unsigned long block) { if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) { /* standard journal */ if (block >= get_journal_start_must(fs) && block <= get_journal_start_must(fs) + get_jp_journal_size(sb_jp(fs->fs_ondisk_sb))) return 1; return 0; } if (get_sb_reserved_for_journal(fs->fs_ondisk_sb)) /* there is space reserved for the journal on the host device */ if (block >= get_journal_start_must(fs) && block < get_journal_start_must(fs) + get_sb_reserved_for_journal(fs->fs_ondisk_sb)) return 1; return 0; } int block_of_bitmap(reiserfs_filsys_t fs, unsigned long block) { if (spread_bitmaps(fs)) { if (!(block % (fs->fs_blocksize * 8))) /* bitmap block */ return 1; return (block == (REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize + 1)); } else { /* bitmap in */ return (block > 2ul && block < 3ul + reiserfs_fs_bmap_nr(fs)) ? 1 : 0; } return 0; } /* check whether 'block' can be pointed to by an indirect item */ int not_data_block(reiserfs_filsys_t fs, unsigned long block) { if (block_of_bitmap(fs, block)) /* it is one of bitmap blocks */ return 1; if (block_of_journal(fs, block)) /* block of journal area */ return 1; if (block <= fs->fs_super_bh->b_blocknr) /* either super block or a block from skipped area at the beginning of filesystem */ return 1; return 0; } /* check whether 'block' can be logged */ int not_journalable(reiserfs_filsys_t fs, unsigned long block) { /* we should not update SB with journal copy during fsck */ if (block < fs->fs_super_bh->b_blocknr) return 1; if (block_of_journal(fs, block)) return 1; if (block >= get_sb_block_count(fs->fs_ondisk_sb)) return 1; return 0; } // in reiserfs version 0 (undistributed bitmap) // FIXME: what if number of bitmaps is 15? unsigned int get_journal_old_start_must(reiserfs_filsys_t fs) { return (REISERFS_OLD_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) + 1 + get_sb_bmap_nr(fs->fs_ondisk_sb); } unsigned int get_journal_new_start_must(reiserfs_filsys_t fs) { return (REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) + 2; } unsigned int get_journal_start_must(reiserfs_filsys_t fs) { if (is_old_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) return get_journal_old_start_must(fs); return get_journal_new_start_must(fs); } __u32 get_bytes_number(struct item_head * ih, int blocksize) { switch (get_type(&ih->ih_key)) { case TYPE_DIRECT: return get_ih_item_len(ih); case TYPE_INDIRECT: return I_UNFM_NUM(ih) * blocksize; // - get_ih_free_space (ih); case TYPE_STAT_DATA: case TYPE_DIRENTRY: return 0; } reiserfs_warning(stderr, "get_bytes_number: called for wrong type of item %h", ih); return 0; } int check_item_f(reiserfs_filsys_t fs, struct item_head *ih, char *item); /* ih_key, ih_location and ih_item_len seem correct, check other fields */ static int does_ih_look_correct(struct item_head *ih) { int ih_key_format; int key_key_format; /* key format from item_head */ ih_key_format = get_ih_key_format(ih); if (ih_key_format != KEY_FORMAT_1 && ih_key_format != KEY_FORMAT_2) return 0; /* key format calculated on key */ key_key_format = key_format(&ih->ih_key); if (is_stat_data_ih(ih)) { /* for stat data we can not find key format from a key itself, so look at the item length */ if (get_ih_item_len(ih) == SD_SIZE) key_key_format = KEY_FORMAT_2; else if (get_ih_item_len(ih) == SD_V1_SIZE) key_key_format = KEY_FORMAT_1; else return 0; } if (key_key_format != ih_key_format) return 0; /* we do not check ih_format.fsck_need as fsck might change it. So, debugreiserfs -p will have to dump it */ return 1; } /* check item length, ih_free_space for pure 3.5 format, unformatted node pointers */ static int is_bad_indirect(reiserfs_filsys_t fs, struct item_head *ih, const char *item, check_unfm_func_t check_unfm_func) { unsigned int i; __le32 *ind = (__le32 *) item; if (get_ih_item_len(ih) % UNFM_P_SIZE) return 1; for (i = 0; i < I_UNFM_NUM(ih); i++) { if (!ind[i]) continue; if (check_unfm_func && check_unfm_func(fs, d32_get(ind, i))) return 1; } if (fs->fs_format == REISERFS_FORMAT_3_5) { /* check ih_free_space for 3.5 format only */ if (get_ih_free_space(ih) > fs->fs_blocksize - 1) return 1; } return 0; } static const struct { hashf_t func; char *name; } hashes[] = { { NULL, "not set"}, { keyed_hash, "\"tea\""}, { yura_hash, "\"rupasov\""}, { r5_hash, "\"r5\""}}; #define HASH_AMOUNT (sizeof (hashes) / sizeof (hashes [0])) int known_hashes(void) { return HASH_AMOUNT; } #define good_name(hashfn,name,namelen,deh_offset) \ (hash_value (hashfn, name, namelen) == GET_HASH_VALUE (deh_offset)) /* this also sets hash function */ int is_properly_hashed(reiserfs_filsys_t fs, const char *name, int namelen, __u32 offset) { unsigned int i; if (namelen == 1 && name[0] == '.') { if (offset == DOT_OFFSET) return 1; return 0; } if (namelen == 2 && name[0] == '.' && name[1] == '.') { if (offset == DOT_DOT_OFFSET) return 1; return 0; } if (hash_func_is_unknown(fs)) { /* try to find what hash function the name is sorted with */ for (i = 1; i < HASH_AMOUNT; i++) { if (good_name(hashes[i].func, name, namelen, offset)) { if (!hash_func_is_unknown(fs)) { /* two or more hash functions give the same value for this name */ fprintf(stderr, "Detecting hash code: could not detect hash with name \"%.*s\"\n", namelen, name); reiserfs_hash(fs) = NULL; return 1; } /* set hash function */ reiserfs_hash(fs) = hashes[i].func; } } if (hash_func_is_unknown(fs)) { return 0; } } if (good_name(reiserfs_hash(fs), name, namelen, offset)) return 1; return 0; } int find_hash_in_use(const char *name, int namelen, __u32 offset, unsigned int code_to_try_first) { unsigned int i; if (!namelen || !name[0]) return UNSET_HASH; if (code_to_try_first) { if (good_name (hashes[code_to_try_first].func, name, namelen, offset)) return code_to_try_first; } for (i = 1; i < HASH_AMOUNT; i++) { if (i == code_to_try_first) continue; if (good_name(hashes[i].func, name, namelen, offset)) return i; } /* not matching hash found */ return UNSET_HASH; } char *code2name(unsigned int code) { if (code >= HASH_AMOUNT || code < 0) return NULL; return hashes[code].name; } int func2code(hashf_t func) { unsigned int i; for (i = 0; i < HASH_AMOUNT; i++) if (func == hashes[i].func) return i; reiserfs_panic("func2code: no hashes matches this function\n"); return 0; } hashf_t code2func(unsigned int code) { if (code >= HASH_AMOUNT) { reiserfs_warning(stderr, "code2func: wrong hash code %d.\n" "Using default %s hash function\n", code, code2name(DEFAULT_HASH)); code = DEFAULT_HASH; } return hashes[code].func; } hashf_t name2func(const char *hash) { unsigned int i; for (i = 0; i < HASH_AMOUNT; i++) if (!strcmp(hash, hashes[i].name)) return hashes[i].func; return NULL; } int dir_entry_bad_location(struct reiserfs_de_head *deh, struct item_head *ih, int first) { if (get_deh_location(deh) < DEH_SIZE * get_ih_entry_count(ih)) return 1; if (get_deh_location(deh) >= get_ih_item_len(ih)) return 1; if (!first && get_deh_location(deh) >= get_deh_location(deh - 1)) return 1; return 0; } /* the only corruption which is not considered fatal - is hash mismatching. If bad_dir is set - directory item having such names is considered bad */ static int is_bad_directory(reiserfs_filsys_t fs, struct item_head *ih, const char *item, int bad_dir) { int i; int namelen; struct reiserfs_de_head *deh = (struct reiserfs_de_head *)item; __u32 prev_offset = 0; __u16 prev_location = get_ih_item_len(ih); for (i = 0; i < get_ih_entry_count(ih); i++, deh++) { if (get_deh_location(deh) >= prev_location) return 1; prev_location = get_deh_location(deh); namelen = name_in_entry_length(ih, deh, i); if (namelen > (int)REISERFS_MAX_NAME_LEN(fs->fs_blocksize)) return 1; if (get_deh_offset(deh) <= prev_offset) return 1; prev_offset = get_deh_offset(deh); /* check hash value */ if (!is_properly_hashed (fs, item + prev_location, namelen, prev_offset)) { if (bad_dir) /* make is_bad_leaf to not insert whole leaf. Node will be marked not-insertable and put into tree item by item in pass 2 */ return 1; } } return 0; } /* used by debugreisrefs -p only yet */ int is_it_bad_item(reiserfs_filsys_t fs, struct item_head *ih, const char *item, check_unfm_func_t check_unfm, int bad_dir) { int retval; /* if (!does_key_look_correct (fs, &ih->ih_key)) return 1; if (!does_ih_look_correct (ih)) return 1; */ if (!does_ih_look_correct(ih)) return 1; if (is_stat_data_ih(ih) || is_direct_ih(ih)) return 0; if (is_direntry_ih(ih)) { retval = is_bad_directory(fs, ih, item, bad_dir); /* if (retval) reiserfs_warning (stderr, "is_bad_directory %H\n", ih); */ return retval; } if (is_indirect_ih(ih)) { retval = is_bad_indirect(fs, ih, item, check_unfm); /* if (retval) reiserfs_warning (stderr, "is_bad_indirect %H\n", ih); */ return retval; } return 1; } /* prepare new or old stat data for the new directory */ void make_dir_stat_data(int blocksize, int key_format, __u32 dirid, __u32 objectid, struct item_head *ih, void *sd) { memset(ih, 0, IH_SIZE); set_key_dirid(&ih->ih_key, dirid); set_key_objectid(&ih->ih_key, objectid); set_key_offset_v1(&ih->ih_key, SD_OFFSET); set_key_uniqueness(&ih->ih_key, 0); set_ih_key_format(ih, key_format); set_ih_free_space(ih, MAX_US_INT); if (key_format == KEY_FORMAT_2) { struct stat_data *sd_v2 = (struct stat_data *)sd; set_ih_item_len(ih, SD_SIZE); set_sd_v2_mode(sd_v2, S_IFDIR + 0755); set_sd_v2_nlink(sd_v2, 2); set_sd_v2_uid(sd_v2, 0); set_sd_v2_gid(sd_v2, 0); set_sd_v2_size(sd_v2, EMPTY_DIR_SIZE); set_sd_v2_atime(sd_v2, time(NULL)); sd_v2->sd_ctime = sd_v2->sd_mtime = sd_v2->sd_atime; /* all le */ set_sd_v2_rdev(sd_v2, 0); set_sd_v2_blocks(sd_v2, dir_size2st_blocks(EMPTY_DIR_SIZE)); } else { struct stat_data_v1 *sd_v1 = (struct stat_data_v1 *)sd; set_ih_item_len(ih, SD_V1_SIZE); set_sd_v1_mode(sd_v1, S_IFDIR + 0755); set_sd_v1_nlink(sd_v1, 2); set_sd_v1_uid(sd_v1, 0); set_sd_v1_gid(sd_v1, 0); set_sd_v1_size(sd_v1, EMPTY_DIR_SIZE_V1); set_sd_v1_atime(sd_v1, time(NULL)); sd_v1->sd_ctime = sd_v1->sd_mtime = sd_v1->sd_atime; /* all le */ set_sd_v1_blocks(sd_v1, dir_size2st_blocks(EMPTY_DIR_SIZE_V1)); set_sd_v1_first_direct_byte(sd_v1, NO_BYTES_IN_DIRECT_ITEM); } } static void _empty_dir_item(int format, char *body, __u32 dirid, __u32 objid, __u32 par_dirid, __u32 par_objid) { struct reiserfs_de_head *deh; __u16 state; memset(body, 0, (format == KEY_FORMAT_2 ? EMPTY_DIR_SIZE : EMPTY_DIR_SIZE_V1)); deh = (struct reiserfs_de_head *)body; /* direntry header of "." */ set_deh_offset(deh, DOT_OFFSET); set_deh_dirid(deh, dirid); set_deh_objectid(deh, objid); state = (1 << DEH_Visible2); set_deh_state(deh, state); /* direntry header of ".." */ set_deh_offset(deh + 1, DOT_DOT_OFFSET); /* key of ".." for the root directory */ set_deh_dirid(deh + 1, par_dirid); set_deh_objectid(deh + 1, par_objid); set_deh_state(deh + 1, state); if (format == KEY_FORMAT_2) { set_deh_location(deh, EMPTY_DIR_SIZE - ROUND_UP(strlen("."))); set_deh_location(deh + 1, get_deh_location(deh) - ROUND_UP(strlen(".."))); } else { set_deh_location(deh, EMPTY_DIR_SIZE_V1 - strlen(".")); set_deh_location(deh + 1, get_deh_location(deh) - strlen("..")); } /* copy ".." and "." */ memcpy(body + get_deh_location(deh), ".", 1); memcpy(body + get_deh_location(deh + 1), "..", 2); } void make_empty_dir_item_v1(char *body, __u32 dirid, __u32 objid, __u32 par_dirid, __u32 par_objid) { _empty_dir_item(KEY_FORMAT_1, body, dirid, objid, par_dirid, par_objid); } void make_empty_dir_item(char *body, __u32 dirid, __u32 objid, __u32 par_dirid, __u32 par_objid) { _empty_dir_item(KEY_FORMAT_2, body, dirid, objid, par_dirid, par_objid); } /* for every item call common action and an action corresponding to item type */ void for_every_item(struct buffer_head *bh, item_head_action_t action, item_action_t *actions) { int i; struct item_head *ih; item_action_t iaction; ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { if (action) action(ih); iaction = actions[get_type(&ih->ih_key)]; if (iaction) iaction(bh, ih); } } static inline int is_key_format_1(int type) { return ((type == 0 || type == 15) ? 1 : 0); } /* old keys (on i386) have k_offset_v2.k_type == 15 (direct and indirect) or == 0 (dir items and stat data) */ /* */ int key_format(const struct reiserfs_key *key) { int type; type = get_key_type_v2(key); if (is_key_format_1(type)) return KEY_FORMAT_1; return KEY_FORMAT_2; } unsigned long long get_offset(const struct reiserfs_key *key) { if (key_format(key) == KEY_FORMAT_1) return get_key_offset_v1(key); return get_key_offset_v2(key); } int uniqueness2type(__u32 uniqueness) { switch (uniqueness) { case V1_SD_UNIQUENESS: return TYPE_STAT_DATA; case V1_INDIRECT_UNIQUENESS: return TYPE_INDIRECT; case V1_DIRECT_UNIQUENESS: return TYPE_DIRECT; case V1_DIRENTRY_UNIQUENESS: return TYPE_DIRENTRY; } return TYPE_UNKNOWN; } __u32 type2uniqueness(int type) { switch (type) { case TYPE_STAT_DATA: return V1_SD_UNIQUENESS; case TYPE_INDIRECT: return V1_INDIRECT_UNIQUENESS; case TYPE_DIRECT: return V1_DIRECT_UNIQUENESS; case TYPE_DIRENTRY: return V1_DIRENTRY_UNIQUENESS; } return V1_UNKNOWN_UNIQUENESS; } int get_type(const struct reiserfs_key *key) { int type_v2 = get_key_type_v2(key); if (is_key_format_1(type_v2)) return uniqueness2type(get_key_uniqueness(key)); return type_v2; } char *key_of_what(const struct reiserfs_key *key) { switch (get_type(key)) { case TYPE_STAT_DATA: return "SD"; case TYPE_INDIRECT: return "IND"; case TYPE_DIRECT: return "DRCT"; case TYPE_DIRENTRY: return "DIR"; default: return "???"; } } int type_unknown(const struct reiserfs_key *key) { int type = get_type(key); switch (type) { case TYPE_STAT_DATA: case TYPE_INDIRECT: case TYPE_DIRECT: case TYPE_DIRENTRY: return 0; default: break; } return 1; } // this sets key format as well as type of item key belongs to // void set_type(int format, struct reiserfs_key *key, int type) { if (format == KEY_FORMAT_1) set_key_uniqueness(key, type2uniqueness(type)); else set_key_type_v2(key, type); } // void set_offset(int format, struct reiserfs_key *key, loff_t offset) { if (format == KEY_FORMAT_1) set_key_offset_v1(key, offset); else set_key_offset_v2(key, offset); } void set_type_and_offset(int format, struct reiserfs_key *key, loff_t offset, int type) { set_type(format, key, type); set_offset(format, key, offset); } /* length of the directory entry in directory item. This define calculates length of i-th directory entry using directory entry locations from dir entry head. When it calculates length of 0-th directory entry, it uses length of whole item in place of entry location of the non-existent following entry in the calculation. See picture above.*/ // NOTE: this is not name length. This is length of whole entry int entry_length(const struct item_head *ih, const struct reiserfs_de_head *deh, int pos_in_item) { if (pos_in_item) return (get_deh_location(deh - 1) - get_deh_location(deh)); return (get_ih_item_len(ih) - get_deh_location(deh)); } char *name_in_entry(const struct reiserfs_de_head *deh, int pos_in_item) { return ((char *)(deh - pos_in_item) + get_deh_location(deh)); } int name_in_entry_length(const struct item_head *ih, const struct reiserfs_de_head *deh, int pos_in_item) { int len, i; char *name; len = entry_length(ih, deh, pos_in_item); name = name_in_entry(deh, pos_in_item); // name might be padded with 0s i = 0; while (name[i] && i < len) i++; return i; } int name_length(const char *name, int key_format) { if (key_format == KEY_FORMAT_2) return ROUND_UP(strlen(name)); else if (key_format == KEY_FORMAT_1) return strlen(name); return -1; } /* key format is stored in 12 bits starting from 0-th of item_head's ih2_format*/ __u16 get_ih_key_format(const struct item_head * ih) { get_bit_field_XX(16, &ih->ih_format, 0, 12); } __u16 get_ih_flags(const struct item_head *ih) { get_bit_field_XX(16, &ih->ih_format, 12, 4); } void set_ih_key_format(struct item_head *ih, __u16 val) { set_bit_field_XX(16, &ih->ih_format, val, 0, 12); } void set_ih_flags(struct item_head *ih, __u16 val) { set_bit_field_XX(16, &ih->ih_format, val, 12, 4); } /* access to fields of stat data (both v1 and v2) */ void get_set_sd_field(int field, struct item_head *ih, void *sd, void *value, int set) { if (get_ih_key_format(ih) == KEY_FORMAT_1) { struct stat_data_v1 *sd_v1 = sd; switch (field) { case GET_SD_MODE: if (set) sd_v1->sd_mode = cpu_to_le16(*(__u16 *) value); else *(__u16 *) value = le16_to_cpu(sd_v1->sd_mode); break; case GET_SD_SIZE: /* value must point to 64 bit int */ if (set) sd_v1->sd_size = cpu_to_le32(*(__u64 *) value); else *(__u64 *) value = le32_to_cpu(sd_v1->sd_size); break; case GET_SD_BLOCKS: if (set) sd_v1->u.sd_blocks = cpu_to_le32(*(__u32 *) value); else *(__u32 *) value = le32_to_cpu(sd_v1->u.sd_blocks); break; case GET_SD_NLINK: /* value must point to 32 bit int */ if (set) sd_v1->sd_nlink = cpu_to_le16(*(__u32 *) value); else *(__u32 *) value = le16_to_cpu(sd_v1->sd_nlink); break; case GET_SD_FIRST_DIRECT_BYTE: if (set) sd_v1->sd_first_direct_byte = cpu_to_le32(*(__u32 *) value); else *(__u32 *) value = le32_to_cpu(sd_v1->sd_first_direct_byte); break; default: reiserfs_panic ("get_set_sd_field: unknown field of old stat data"); } } else { struct stat_data *sd_v2 = sd; switch (field) { case GET_SD_MODE: if (set) sd_v2->sd_mode = cpu_to_le16(*(__u16 *) value); else *(__u16 *) value = le16_to_cpu(sd_v2->sd_mode); break; case GET_SD_SIZE: if (set) sd_v2->sd_size = cpu_to_le64(*(__u64 *) value); else *(__u64 *) value = le64_to_cpu(sd_v2->sd_size); break; case GET_SD_BLOCKS: if (set) sd_v2->sd_blocks = cpu_to_le32(*(__u32 *) value); else *(__u32 *) value = le32_to_cpu(sd_v2->sd_blocks); break; case GET_SD_NLINK: if (set) sd_v2->sd_nlink = cpu_to_le32(*(__u32 *) value); else *(__u32 *) value = le32_to_cpu(sd_v2->sd_nlink); break; case GET_SD_FIRST_DIRECT_BYTE: default: reiserfs_panic ("get_set_sd_field: unknown field of new stat data"); } } } static int comp_ids(const void *p1, const void *p2) { __u32 id1 = le32_to_cpu(*(__le32 *) p1); __u32 id2 = le32_to_cpu(*(__le32 *) p2); if (id1 < id2) return -1; if (id1 > id2) return 1; return 0; } /* functions to manipulate with super block's objectid map */ int is_objectid_used(reiserfs_filsys_t fs, __u32 objectid) { __le32 *objectid_map; __u32 count = get_sb_oid_cursize(fs->fs_ondisk_sb); int ret; __u32 pos; __le32 le_id = cpu_to_le32(objectid); objectid_map = (__le32 *) ((char *)fs->fs_ondisk_sb + reiserfs_super_block_size(fs->fs_ondisk_sb)); ret = reiserfs_bin_search(&le_id, objectid_map, count, sizeof(__u32), &pos, comp_ids); /* if the position returned is odd, the oid is in use */ if (ret == POSITION_NOT_FOUND) return (pos & 1); /* if the position returned is even, the oid is in use */ return !(pos & 1); } void mark_objectid_used(reiserfs_filsys_t fs, __u32 objectid) { int i; __le32 *objectid_map; int cursize; if (is_objectid_used(fs, objectid)) { return; } objectid_map = (__le32 *) ((char *)fs->fs_ondisk_sb + reiserfs_super_block_size(fs->fs_ondisk_sb)); cursize = get_sb_oid_cursize(fs->fs_ondisk_sb); for (i = 0; i < cursize; i += 2) { if (objectid >= le32_to_cpu(objectid_map[i]) && objectid < le32_to_cpu(objectid_map[i + 1])) /* it is used */ return; if (objectid + 1 == le32_to_cpu(objectid_map[i])) { /* size of objectid map does not change */ objectid_map[i] = cpu_to_le32(objectid); return; } if (objectid == le32_to_cpu(objectid_map[i + 1])) { /* size of objectid map is decreased */ objectid_map[i + 1] = cpu_to_le32(le32_to_cpu(objectid_map[i + 1]) + 1); if (i + 2 < cursize) { if (objectid_map[i + 1] == objectid_map[i + 2]) { memmove(objectid_map + i + 1, objectid_map + i + 1 + 2, (cursize - (i + 2 + 2 - 1)) * sizeof(__u32)); set_sb_oid_cursize(fs->fs_ondisk_sb, cursize - 2); } } return; } if (objectid < le32_to_cpu(objectid_map[i])) { /* size of objectid map must be increased */ if (cursize == get_sb_oid_maxsize(fs->fs_ondisk_sb)) { /* here all objectids between objectid and objectid_map[i] get used */ objectid_map[i] = cpu_to_le32(objectid); return; } else { memmove(objectid_map + i + 2, objectid_map + i, (cursize - i) * sizeof(__u32)); set_sb_oid_cursize(fs->fs_ondisk_sb, cursize + 2); } objectid_map[i] = cpu_to_le32(objectid); objectid_map[i + 1] = cpu_to_le32(objectid + 1); return; } } /* append to current objectid map, if we have space */ if (i < get_sb_oid_maxsize(fs->fs_ondisk_sb)) { objectid_map[i] = cpu_to_le32(objectid); objectid_map[i + 1] = cpu_to_le32(objectid + 1); set_sb_oid_cursize(fs->fs_ondisk_sb, cursize + 2); } else if (i == get_sb_oid_maxsize(fs->fs_ondisk_sb)) { objectid_map[i - 1] = cpu_to_le32(objectid + 1); } else die("mark_objectid_as_used: objectid map corrupted"); return; } int is_blocksize_correct(unsigned int blocksize) { return ((((blocksize & -blocksize) == blocksize) && (blocksize >= 512) && (blocksize <= 8192))); } reiserfsprogs-3.6.25/reiserfscore/reiserfslib.c0000644000175000001440000012321712725335560016607 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #include "includes.h" #include #include struct reiserfs_key root_dir_key = { 0, 0, {{0, 0},} }; struct reiserfs_key parent_root_dir_key = { 0, 0, {{0, 0},} }; struct reiserfs_key lost_found_dir_key = { 0, 0, {{0, 0},} }; static struct reiserfs_key badblock_key = { constant_cpu_to_le32(BADBLOCK_DIRID), constant_cpu_to_le32(BADBLOCK_OBJID), {{constant_cpu_to_le32(0), constant_cpu_to_le32(0)},} }; __u16 root_dir_format = 0; __u16 lost_found_dir_format = 0; static void make_const_keys(void) { set_key_dirid(&root_dir_key, REISERFS_ROOT_PARENT_OBJECTID); set_key_objectid(&root_dir_key, REISERFS_ROOT_OBJECTID); set_key_dirid(&parent_root_dir_key, 0); set_key_objectid(&parent_root_dir_key, REISERFS_ROOT_PARENT_OBJECTID); } /* reiserfs needs at least: enough blocks for journal, 64 k at the beginning, one block for super block, bitmap block and root block. Note that first bitmap block must point to all of them */ int is_block_count_correct(unsigned long journal_offset, unsigned int block_size, unsigned long block_count, unsigned long journal_size) { unsigned long blocks; /* RESERVED, MD RAID SBs, super block, bitmap, root, journal size with journal header */ blocks = journal_offset + journal_size; /* we have a limit: skipped area, super block, journal and root block all have to be addressed by one first bitmap */ if (blocks > block_size * 8) return 0; if (blocks > block_count) return 0; return 1; } /* read super block. fixme: only 4k blocks, pre-journaled format is refused. Journal and bitmap are to be opened separately. skip_check is set to 1 if checks of openned SB should be omitted.*/ reiserfs_filsys_t reiserfs_open(const char *filename, int flags, long *error, void *vp, int check) { reiserfs_filsys_t fs; struct buffer_head *bh; struct reiserfs_super_block *sb; int fd; unsigned int i; /* convert root dir key and parent root dir key to little endian format */ make_const_keys(); *error = 0; fd = open(filename, flags #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fd == -1) { *error = errno; return NULL; } fs = getmem(sizeof(*fs)); fs->fs_dev = fd; fs->fs_vp = vp; asprintf(&fs->fs_file_name, "%s", filename); /* reiserfs super block is either in 16-th or in 2-nd 4k block of the device */ for (i = 2; i < 17; i += 14) { bh = bread(fd, i, 4096); if (!bh) { *error = REISERFS_ET_BREAD_FAILED; } else { sb = (struct reiserfs_super_block *)bh->b_data; if (is_any_reiserfs_magic_string(sb)) goto found; /* reiserfs signature is not found at the i-th 4k block */ brelse(bh); } } *error = REISERFS_ET_BAD_MAGIC; freemem(fs); close(fd); fs = NULL; return fs; found: if (!is_blocksize_correct(get_sb_block_size(sb))) { *error = REISERFS_ET_BAD_SUPER; freemem(fs); close(fd); brelse(bh); return NULL; } if (check) { /* A few checks of found super block. */ struct buffer_head *tmp_bh; tmp_bh = bread(fd, get_sb_block_count(sb) - 1, get_sb_block_size(sb)); if (!tmp_bh) { *error = REISERFS_ET_SMALL_PARTITION; freemem(fs); close(fd); brelse(bh); return NULL; } brelse(tmp_bh); } fs->fs_blocksize = get_sb_block_size(sb); /* check block size on the filesystem */ if (fs->fs_blocksize != 4096) { i = bh->b_blocknr * 4096 / fs->fs_blocksize; brelse(bh); bh = bread(fd, i, fs->fs_blocksize); if (!bh) { *error = REISERFS_ET_BREAD_FAILED; freemem(fs); return NULL; } sb = (struct reiserfs_super_block *)bh->b_data; } fs->fs_hash_function = code2func(get_sb_hash_code(sb)); fs->fs_super_bh = bh; fs->fs_ondisk_sb = sb; fs->fs_flags = flags; /* O_RDONLY or O_RDWR */ fs->fs_format = get_reiserfs_format(sb); /*reiserfs_read_bitmap_blocks(fs); */ if (flags & O_RDWR) fs->fs_dirt = 1; else fs->fs_dirt = 0; return fs; } /* creates buffer for super block and fills it up with fields which are constant for given size and version of a filesystem */ reiserfs_filsys_t reiserfs_create(const char *filename, int version, unsigned long block_count, int block_size, int default_journal, int new_format, long *error) { reiserfs_filsys_t fs; time_t now; unsigned int bmap_nr = reiserfs_bmap_nr(block_count, block_size);; *error = 0; /* convert root dir key and parent root dir key to little endian format */ make_const_keys(); if (count_blocks(filename, block_size) < block_count) { *error = REISERFS_ET_NOT_ENOUGH_BLOCKS; return NULL; } if (!is_block_count_correct(REISERFS_DISK_OFFSET_IN_BYTES / block_size, block_size, block_count, 0)) { *error = REISERFS_ET_TOO_SMALL; return NULL; } fs = getmem(sizeof(*fs)); if (!fs) { *error = errno; return NULL; } fs->fs_dev = open(filename, O_RDWR | O_EXCL #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fs->fs_dev == -1) { *error = errno; freemem(fs); return NULL; } fs->fs_blocksize = block_size; asprintf(&fs->fs_file_name, "%s", filename); fs->fs_format = version; if (new_format) fs->fs_super_bh = getblk(fs->fs_dev, REISERFS_DISK_OFFSET_IN_BYTES / block_size, block_size); else fs->fs_super_bh = getblk(fs->fs_dev, REISERFS_OLD_DISK_OFFSET_IN_BYTES / block_size, block_size); if (!fs->fs_super_bh) { *error = REISERFS_ET_GETBLK_FAILED; return NULL; } mark_buffer_uptodate(fs->fs_super_bh, 1); fs->fs_ondisk_sb = (struct reiserfs_super_block *)fs->fs_super_bh->b_data; memset(fs->fs_ondisk_sb, 0, block_size); /* fill super block fields which are constant for given version and block count */ set_sb_block_count(fs->fs_ondisk_sb, block_count); /* sb_free_blocks */ /* sb_root_block */ /* sb_journal_1st_block */ /* sb_journal_dev */ /* sb_orig_journal_size */ /* sb_joural_magic */ /* sb_journal magic_F */ /* sb_mount_id */ /* sb_not_used0 */ /* sb_generation_number */ set_sb_block_size(fs->fs_ondisk_sb, block_size); switch (version) { case REISERFS_FORMAT_3_5: set_sb_oid_maxsize(fs->fs_ondisk_sb, (block_size - SB_SIZE_V1) / sizeof(__u32) / 2 * 2); /* sb_oid_cursize */ /* sb_state */ memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_3_5_SUPER_MAGIC_STRING, strlen(REISERFS_3_5_SUPER_MAGIC_STRING)); break; case REISERFS_FORMAT_3_6: set_sb_oid_maxsize(fs->fs_ondisk_sb, (block_size - SB_SIZE) / sizeof(__u32) / 2 * 2); /* sb_oid_cursize */ /* sb_state */ memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_3_6_SUPER_MAGIC_STRING, strlen(REISERFS_3_6_SUPER_MAGIC_STRING)); break; } if (!default_journal) memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_JR_SUPER_MAGIC_STRING, strlen(REISERFS_JR_SUPER_MAGIC_STRING)); /* sb_fsck_state */ /* sb_hash_function_code */ /* sb_tree_height */ set_sb_bmap_nr(fs->fs_ondisk_sb, reiserfs_bmap_over(bmap_nr) ? 0 : bmap_nr); set_sb_version(fs->fs_ondisk_sb, version); set_sb_v2_lastcheck(fs->fs_ondisk_sb, time(&now)); set_sb_v2_check_interval(fs->fs_ondisk_sb, DEFAULT_CHECK_INTERVAL); set_sb_v2_mnt_count(fs->fs_ondisk_sb, 1); set_sb_v2_max_mnt_count(fs->fs_ondisk_sb, DEFAULT_MAX_MNT_COUNT); /* sb_not_used1 */ mark_buffer_dirty(fs->fs_super_bh); fs->fs_dirt = 1; return fs; } int no_reiserfs_found(reiserfs_filsys_t fs) { return (fs == NULL || fs->fs_blocksize == 0) ? 1 : 0; } int spread_bitmaps(reiserfs_filsys_t fs) { return fs->fs_super_bh->b_blocknr != 2; } /* 0 means: do not guarantee that fs is consistent */ int reiserfs_is_fs_consistent(reiserfs_filsys_t fs) { if (get_sb_umount_state(fs->fs_ondisk_sb) == FS_CLEANLY_UMOUNTED && get_sb_fs_state(fs->fs_ondisk_sb) == FS_CONSISTENT) return 1; return 0; } /* flush bitmap, brelse super block, flush all dirty buffers, close and open again the device, read super block */ static void reiserfs_only_reopen(reiserfs_filsys_t fs, int flag) { unsigned long super_block; /* reiserfs_flush_to_ondisk_bitmap (fs->fs_bitmap2, fs); */ super_block = fs->fs_super_bh->b_blocknr; brelse(fs->fs_super_bh); flush_buffers(fs->fs_dev); invalidate_buffers(fs->fs_dev); if (close(fs->fs_dev)) die("reiserfs_reopen: closed failed: %s", strerror(errno)); fs->fs_dev = open(fs->fs_file_name, flag #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fs->fs_dev == -1) die("reiserfs_reopen: could not reopen device: %s", strerror(errno)); fs->fs_super_bh = bread(fs->fs_dev, super_block, fs->fs_blocksize); if (!fs->fs_super_bh) die("reiserfs_reopen: reading super block failed"); fs->fs_ondisk_sb = (struct reiserfs_super_block *)fs->fs_super_bh->b_data; fs->fs_flags = flag; /* O_RDONLY or O_RDWR */ if (flag & O_RDWR) fs->fs_dirt = 1; else fs->fs_dirt = 0; } void reiserfs_reopen(reiserfs_filsys_t fs, int flag) { reiserfs_only_reopen(fs, flag); reiserfs_reopen_journal(fs, flag); } int is_opened_rw(reiserfs_filsys_t fs) { if ((fs->fs_flags) & O_RDWR) return 1; return 0; } /* flush all changes made on a filesystem */ void reiserfs_flush(reiserfs_filsys_t fs) { if (fs->fs_dirt) { reiserfs_flush_journal(fs); flush_buffers(fs->fs_dev); } fs->fs_dirt = 0; } /* free all memory involved into manipulating with filesystem */ void reiserfs_free(reiserfs_filsys_t fs) { reiserfs_free_journal(fs); reiserfs_free_ondisk_bitmap(fs); /* release super block and memory used by filesystem handler */ brelse(fs->fs_super_bh); fs->fs_super_bh = NULL; free_buffers(); free(fs->fs_file_name); fs->fs_file_name = NULL; freemem(fs); } /* this closes everything: journal. bitmap and the fs itself */ void reiserfs_close(reiserfs_filsys_t fs) { reiserfs_close_journal(fs); reiserfs_close_ondisk_bitmap(fs); reiserfs_flush(fs); reiserfs_free(fs); fsync(fs->fs_dev); } int reiserfs_new_blocknrs(reiserfs_filsys_t fs, unsigned long *free_blocknrs, unsigned long start, int amount_needed) { if (fs->block_allocator) return fs->block_allocator(fs, free_blocknrs, start, amount_needed); die("block allocator is not defined\n"); return 0; } int reiserfs_free_block(reiserfs_filsys_t fs, unsigned long block) { if (fs->block_deallocator) return fs->block_deallocator(fs, block); die("block deallocator is not defined\n"); return 0; } static int reiserfs_search_by_key_x(reiserfs_filsys_t fs, const struct reiserfs_key *key, struct reiserfs_path *path, int key_length) { struct buffer_head *bh; unsigned long block; struct reiserfs_path_element *curr; int retval; block = get_sb_root_block(fs->fs_ondisk_sb); if (not_data_block(fs, block)) return IO_ERROR; path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; while (1) { curr = PATH_OFFSET_PELEMENT(path, ++path->path_length); bh = curr->pe_buffer = bread(fs->fs_dev, block, fs->fs_blocksize); if (bh == NULL) { path->path_length--; pathrelse(path); return ITEM_NOT_FOUND; } retval = reiserfs_bin_search(key, leaf_key(bh, 0), B_NR_ITEMS(bh), is_leaf_node(bh) ? IH_SIZE : KEY_SIZE, &curr->pe_position, key_length == 4 ? comp_keys : comp_keys_3); if (retval == POSITION_FOUND) { /* key found, return if this is leaf level */ if (is_leaf_node(bh)) { path->pos_in_item = 0; return ITEM_FOUND; } curr->pe_position++; } else { /* key not found in the node */ if (is_leaf_node(bh)) return ITEM_NOT_FOUND; } block = get_dc_child_blocknr(B_N_CHILD(bh, curr->pe_position)); if (not_data_block(fs, block)) return IO_ERROR; } printf("search_by_key: you can not get here\n"); return ITEM_NOT_FOUND; } int reiserfs_search_by_key_3(reiserfs_filsys_t fs, const struct reiserfs_key *key, struct reiserfs_path *path) { return reiserfs_search_by_key_x(fs, key, path, 3); } int reiserfs_search_by_key_4(reiserfs_filsys_t fs, const struct reiserfs_key *key, struct reiserfs_path *path) { return reiserfs_search_by_key_x(fs, key, path, 4); } /* key is key of byte in the regular file. This searches in tree through items and in the found item as well */ int reiserfs_search_by_position(reiserfs_filsys_t s, struct reiserfs_key *key, int version, struct reiserfs_path *path) { struct buffer_head *bh; struct item_head *ih; struct reiserfs_key *next_key; if (reiserfs_search_by_key_3(s, key, path) == ITEM_FOUND) { ih = tp_item_head(path); if (!is_direct_ih(ih) && !is_indirect_ih(ih)) return DIRECTORY_FOUND; path->pos_in_item = 0; return POSITION_FOUND; } bh = get_bh(path); ih = tp_item_head(path); if (PATH_LAST_POSITION(path) == 0) { /* previous item does not exist, that means we are in leftmost leaf of * the tree */ if (!not_of_one_file(&ih->ih_key, key)) { if (!is_direct_ih(ih) && !is_indirect_ih(ih)) return DIRECTORY_FOUND; return POSITION_NOT_FOUND; } return FILE_NOT_FOUND; } /* take previous item */ PATH_LAST_POSITION(path)--; ih--; if (not_of_one_file(&ih->ih_key, key) || is_stat_data_ih(ih)) { /* previous item belongs to another object or is a stat data, check * next item */ PATH_LAST_POSITION(path)++; if (PATH_LAST_POSITION(path) < B_NR_ITEMS(bh)) /* next key is in the same node */ next_key = leaf_key(bh, PATH_LAST_POSITION(path)); else next_key = uget_rkey(path); if (next_key == NULL || not_of_one_file(next_key, key)) { /* there is no any part of such file in the tree */ path->pos_in_item = 0; return FILE_NOT_FOUND; } if (is_direntry_key(next_key)) { reiserfs_warning(stderr, "%s: looking for %k found a directory with the same key\n", __func__, next_key); return DIRECTORY_FOUND; } /* next item is the part of this file */ path->pos_in_item = 0; return POSITION_NOT_FOUND; } if (is_direntry_ih(ih)) { return DIRECTORY_FOUND; } if (is_stat_data_ih(ih)) { PATH_LAST_POSITION(path)++; return FILE_NOT_FOUND; } /* previous item is part of desired file */ if (I_K_KEY_IN_ITEM(ih, key, bh->b_size)) { path->pos_in_item = get_offset(key) - get_offset(&ih->ih_key); if (is_indirect_ih(ih)) path->pos_in_item /= bh->b_size; return POSITION_FOUND; } path->pos_in_item = is_indirect_ih(ih) ? I_UNFM_NUM(ih) : get_ih_item_len(ih); return POSITION_NOT_FOUND; } static int comp_dir_entries(const void *p1, const void *p2) { __u32 off1, off2; off1 = d32_get((__le32 *) p1, 0); off2 = *(__u32 *) p2; if (off1 < off2) return -1; if (off1 > off2) return 1; return 0; } struct reiserfs_key *uget_lkey(const struct reiserfs_path *path) { int pos, offset = path->path_length; const struct buffer_head *bh; if (offset < FIRST_PATH_ELEMENT_OFFSET) die("uget_lkey: illegal offset in the path (%d)", offset); /* While not higher in path than first element. */ while (offset-- > FIRST_PATH_ELEMENT_OFFSET) { if (!buffer_uptodate(PATH_OFFSET_PBUFFER(path, offset))) die("uget_lkey: parent is not uptodate"); /* Parent at the path is not in the tree now. */ if (!B_IS_IN_TREE(bh = PATH_OFFSET_PBUFFER(path, offset))) die("uget_lkey: buffer on the path is not in tree"); /* Check whether position in the parent is correct. */ if ((pos = PATH_OFFSET_POSITION(path, offset)) > B_NR_ITEMS(bh)) die("uget_lkey: invalid position (%d) in the path", pos); /* Check whether parent at the path really points to the child. */ if (get_dc_child_blocknr(B_N_CHILD(bh, pos)) != PATH_OFFSET_PBUFFER(path, offset + 1)->b_blocknr) die("uget_lkey: invalid block number (%d). Must be %ld", get_dc_child_blocknr(B_N_CHILD(bh, pos)), PATH_OFFSET_PBUFFER(path, offset + 1)->b_blocknr); /* Return delimiting key if position in the parent is not equal to zero. */ if (pos) return internal_key(bh, pos - 1); } /* there is no left delimiting key */ return NULL; } struct reiserfs_key *uget_rkey(const struct reiserfs_path *path) { int pos, offset = path->path_length; struct buffer_head *bh; if (offset < FIRST_PATH_ELEMENT_OFFSET) die("uget_rkey: illegal offset in the path (%d)", offset); while (offset-- > FIRST_PATH_ELEMENT_OFFSET) { if (!buffer_uptodate(PATH_OFFSET_PBUFFER(path, offset))) die("uget_rkey: parent is not uptodate"); /* Parent at the path is not in the tree now. */ if (!B_IS_IN_TREE(bh = PATH_OFFSET_PBUFFER(path, offset))) die("uget_rkey: buffer on the path is not in tree"); /* Check whether position in the parrent is correct. */ if ((pos = PATH_OFFSET_POSITION(path, offset)) > B_NR_ITEMS(bh)) die("uget_rkey: invalid position (%d) in the path", pos); /* Check whether parent at the path really points to the child. */ if (get_dc_child_blocknr(B_N_CHILD(bh, pos)) != PATH_OFFSET_PBUFFER(path, offset + 1)->b_blocknr) die("uget_rkey: invalid block number (%d). Must be %ld", get_dc_child_blocknr(B_N_CHILD(bh, pos)), PATH_OFFSET_PBUFFER(path, offset + 1)->b_blocknr); /* Return delimiting key if position in the parent is not the last one. */ if (pos != B_NR_ITEMS(bh)) return internal_key(bh, pos); } /* there is no right delimiting key */ return NULL; } struct reiserfs_key *reiserfs_next_key(const struct reiserfs_path *path) { if (get_item_pos(path) < B_NR_ITEMS(get_bh(path)) - 1) return leaf_key(get_bh(path), get_item_pos(path) + 1); return uget_rkey(path); } /* NOTE: this only should be used to look for keys who exists */ int reiserfs_search_by_entry_key(reiserfs_filsys_t fs, const struct reiserfs_key *key, struct reiserfs_path *path) { struct buffer_head *bh; int item_pos; struct item_head *ih; struct reiserfs_key tmpkey; __u32 offset; if (reiserfs_search_by_key_4(fs, key, path) == ITEM_FOUND) { path->pos_in_item = 0; return POSITION_FOUND; } bh = get_bh(path); item_pos = get_item_pos(path); ih = tp_item_head(path); if (item_pos == 0) { /* key is less than the smallest key in the tree */ if (not_of_one_file(&(ih->ih_key), key)) /* there are no items of that directory */ return DIRECTORY_NOT_FOUND; if (!is_direntry_ih(ih)) { reiserfs_panic ("reiserfs_search_by_entry_key: found item " "is not of directory type %H", ih); } /* key we looked for should be here */ path->pos_in_item = 0; return POSITION_NOT_FOUND; } /* take previous item */ item_pos--; ih--; PATH_LAST_POSITION(path)--; if (not_of_one_file(&(ih->ih_key), key) || !is_direntry_ih(ih)) { /* previous item belongs to another object or is stat data, check next item */ item_pos++; PATH_LAST_POSITION(path)++; if (item_pos < B_NR_ITEMS(bh)) { /* next item is in the same node */ ih++; if (not_of_one_file(&(ih->ih_key), key)) { /* there are no items of that directory */ path->pos_in_item = 0; return DIRECTORY_NOT_FOUND; } if (!is_direntry_ih(ih)) reiserfs_panic ("_search_by_entry_key: %k is not a directory", key); } else { /* next item is in right neighboring node */ struct reiserfs_key *next_key = uget_rkey(path); if (next_key == NULL || not_of_one_file(next_key, key)) { /* there are no items of that directory */ path->pos_in_item = 0; return DIRECTORY_NOT_FOUND; } if (!is_direntry_key(next_key)) reiserfs_panic ("_search_by_entry_key: %k is not a directory", key); /* we got right delimiting key - search for it - the entry will be pasted in position 0 */ copy_key(&tmpkey, next_key); pathrelse(path); if (reiserfs_search_by_key_4(fs, &tmpkey, path) != ITEM_FOUND || PATH_LAST_POSITION(path) != 0) reiserfs_panic ("_search_by_entry_key: item corresponding to delimiting key %k not found", &tmpkey); } /* next item is the part of this directory */ path->pos_in_item = 0; return POSITION_NOT_FOUND; } /* previous item is part of desired directory */ offset = get_key_offset_v1(key); if (reiserfs_bin_search (&offset, B_I_DEH(bh, ih), get_ih_entry_count(ih), DEH_SIZE, &(path->pos_in_item), comp_dir_entries) == POSITION_FOUND) return POSITION_FOUND; return POSITION_NOT_FOUND; } void init_tb_struct(struct tree_balance *tb, reiserfs_filsys_t fs, struct reiserfs_path *path, int size) { memset(tb, '\0', sizeof(struct tree_balance)); tb->tb_fs = fs; tb->tb_path = path; PATH_OFFSET_PBUFFER(path, ILLEGAL_PATH_ELEMENT_OFFSET) = NULL; PATH_OFFSET_POSITION(path, ILLEGAL_PATH_ELEMENT_OFFSET) = 0; tb->insert_size[0] = size; } int reiserfs_remove_entry(reiserfs_filsys_t fs, const struct reiserfs_key *key) { struct reiserfs_path path; struct tree_balance tb; struct item_head *ih; struct reiserfs_de_head *deh; if (reiserfs_search_by_entry_key(fs, key, &path) != POSITION_FOUND) { pathrelse(&path); return 1; } ih = tp_item_head(&path); if (get_ih_entry_count(ih) == 1) { init_tb_struct(&tb, fs, &path, -(IH_SIZE + get_ih_item_len(ih))); if (fix_nodes(M_DELETE, &tb, NULL) != CARRY_ON) { unfix_nodes(&tb); return 1; } do_balance(&tb, NULL, NULL, M_DELETE, 0); return 0; } deh = B_I_DEH(get_bh(&path), ih) + path.pos_in_item; init_tb_struct(&tb, fs, &path, -(DEH_SIZE + entry_length(ih, deh, path.pos_in_item))); if (fix_nodes(M_CUT, &tb, NULL) != CARRY_ON) { unfix_nodes(&tb); return 1; } do_balance(&tb, NULL, NULL, M_CUT, 0); return 0; } void reiserfs_paste_into_item(reiserfs_filsys_t fs, struct reiserfs_path *path, const void *body, int size) { struct tree_balance tb; init_tb_struct(&tb, fs, path, size); if (fix_nodes(M_PASTE, &tb, NULL) != CARRY_ON) reiserfs_panic("reiserfs_paste_into_item: fix_nodes failed"); do_balance(&tb, NULL, body, M_PASTE, 0 /* zero num */ ); } void reiserfs_insert_item(reiserfs_filsys_t fs, struct reiserfs_path *path, struct item_head *ih, const void *body) { struct tree_balance tb; init_tb_struct(&tb, fs, path, IH_SIZE + get_ih_item_len(ih)); if (fix_nodes(M_INSERT, &tb, ih) != CARRY_ON) die("reiserfs_insert_item: fix_nodes failed"); do_balance(&tb, ih, body, M_INSERT, 0 /*zero num */ ); } /*===========================================================================*/ __u32 hash_value(hashf_t func, const char *name, int namelen) { __u32 res; res = func(name, namelen); res = GET_HASH_VALUE(res); if (res == 0) res = 128; return res; } /* if name is found in a directory - return 1 and set path to the name, otherwise return 0 and pathrelse path */ int reiserfs_locate_entry(reiserfs_filsys_t fs, struct reiserfs_key *dir, const char *name, struct reiserfs_path *path) { struct reiserfs_key entry_key; struct item_head *ih; struct reiserfs_de_head *deh; int i, retval; struct reiserfs_key *rdkey; set_key_dirid(&entry_key, get_key_dirid(dir)); set_key_objectid(&entry_key, get_key_objectid(dir)); set_key_offset_v1(&entry_key, 0); set_key_uniqueness(&entry_key, DIRENTRY_UNIQUENESS); if (reiserfs_search_by_entry_key(fs, &entry_key, path) == DIRECTORY_NOT_FOUND) { pathrelse(path); return 0; } do { ih = tp_item_head(path); deh = B_I_DEH(get_bh(path), ih) + path->pos_in_item; for (i = path->pos_in_item; i < get_ih_entry_count(ih); i++, deh++) { /* the name in directory has the same hash as the given name */ if ((name_in_entry_length(ih, deh, i) == (int)strlen(name)) && !memcmp(name_in_entry(deh, i), name, strlen(name))) { path->pos_in_item = i; return 1; } } rdkey = uget_rkey(path); if (!rdkey || not_of_one_file(rdkey, dir)) { pathrelse(path); return 0; } if (!is_direntry_key(rdkey)) reiserfs_panic ("reiserfs_locate_entry: can not find name in broken directory yet"); /* first name of that item may be a name we are looking for */ entry_key = *rdkey; pathrelse(path); retval = reiserfs_search_by_entry_key(fs, &entry_key, path); if (retval != POSITION_FOUND) reiserfs_panic ("reiserfs_locate_entry: wrong delimiting key in the tree"); } while (1); return 0; } /* returns 0 if name is not found in a directory and 1 if name is found. Stores key found in the entry in 'key'. Returns minimal not used generation counter in 'min_gen_counter'. dies if found object is not a directory. */ int reiserfs_find_entry(reiserfs_filsys_t fs, const struct reiserfs_key *dir, const char *name, unsigned int *min_gen_counter, struct reiserfs_key *key) { struct reiserfs_key entry_key; int retval; int i; INITIALIZE_REISERFS_PATH(path); struct item_head *ih; struct reiserfs_de_head *deh; struct reiserfs_key *rdkey; __u32 hash; set_key_dirid(&entry_key, get_key_dirid(dir)); set_key_objectid(&entry_key, get_key_objectid(dir)); if (!strcmp(name, ".")) hash = DOT_OFFSET; else if (!strcmp(name, "..")) hash = DOT_DOT_OFFSET; else hash = hash_value(reiserfs_hash(fs), name, strlen(name)); set_key_offset_v1(&entry_key, hash); set_key_uniqueness(&entry_key, DIRENTRY_UNIQUENESS); *min_gen_counter = 0; if (reiserfs_search_by_entry_key(fs, &entry_key, &path) == DIRECTORY_NOT_FOUND) { pathrelse(&path); return 0; } do { ih = tp_item_head(&path); deh = B_I_DEH(get_bh(&path), ih) + path.pos_in_item; for (i = path.pos_in_item; i < get_ih_entry_count(ih); i++, deh++) { if (GET_HASH_VALUE(get_deh_offset(deh)) != GET_HASH_VALUE(hash)) { /* all entries having the same hash were scanned */ pathrelse(&path); return 0; } if (GET_GENERATION_NUMBER(get_deh_offset(deh)) == *min_gen_counter) (*min_gen_counter)++; if ((name_in_entry_length(ih, deh, i) == (int)strlen(name)) && (!memcmp (name_in_entry(deh, i), name, strlen(name)))) { /* entry found in the directory */ if (key) { memset(key, 0, sizeof(struct reiserfs_key)); set_key_dirid(key, get_deh_dirid(deh)); set_key_objectid(key, get_deh_objectid(deh)); } pathrelse(&path); return 1; //get_deh_objectid (deh) ? get_deh_objectid (deh) : 1; } } rdkey = uget_rkey(&path); if (!rdkey || not_of_one_file(rdkey, dir)) { pathrelse(&path); return 0; } if (!is_direntry_key(rdkey)) reiserfs_panic ("reiserfs_find_entry: can not find name in broken directory yet"); /* next item is the item of the directory we are looking name in */ if (GET_HASH_VALUE(get_offset(rdkey)) != hash) { /* but there is no names with given hash */ pathrelse(&path); return 0; } /* first name of that item may be a name we are looking for */ entry_key = *rdkey; pathrelse(&path); retval = reiserfs_search_by_entry_key(fs, &entry_key, &path); if (retval != POSITION_FOUND) reiserfs_panic ("reiserfs_find_entry: wrong delimiting key in the tree"); } while (1); return 0; } /* compose directory entry: dir entry head and name itself */ static char *make_entry(char *entry, const char *name, const struct reiserfs_key *key, __u32 offset) { struct reiserfs_de_head *deh; __u16 state; if (!entry) entry = getmem(DEH_SIZE + ROUND_UP(strlen(name))); memset(entry, 0, DEH_SIZE + ROUND_UP(strlen(name))); deh = (struct reiserfs_de_head *)entry; set_deh_location(deh, 0); set_deh_offset(deh, offset); state = (1 << DEH_Visible2); set_deh_state(deh, state); /* key of object entry will point to */ set_deh_dirid(deh, get_key_dirid(key)); set_deh_objectid(deh, get_key_objectid(key)); memcpy((char *)(deh + 1), name, strlen(name)); return entry; } /* add new name into a directory. If it exists in a directory - do nothing */ int reiserfs_add_entry(reiserfs_filsys_t fs, const struct reiserfs_key *dir, const char *name, int name_len, const struct reiserfs_key *key, __u16 fsck_need) { struct item_head entry_ih = { {0,}, }; char *entry; int retval; INITIALIZE_REISERFS_PATH(path); unsigned int gen_counter; int item_len; __u32 hash; if (reiserfs_find_entry(fs, dir, name, &gen_counter, NULL)) /* entry is in the directory already or directory was not found */ return 0; /* compose entry key to look for its place in the tree */ set_key_dirid(&(entry_ih.ih_key), get_key_dirid(dir)); set_key_objectid(&(entry_ih.ih_key), get_key_objectid(dir)); if (!strcmp(name, ".")) hash = DOT_OFFSET; else if (!strcmp(name, "..")) hash = DOT_DOT_OFFSET; else hash = hash_value(reiserfs_hash(fs), name, strlen(name)) + gen_counter; set_key_offset_v1(&(entry_ih.ih_key), hash); set_key_uniqueness(&(entry_ih.ih_key), DIRENTRY_UNIQUENESS); set_ih_key_format(&entry_ih, KEY_FORMAT_1); set_ih_entry_count(&entry_ih, 1); item_len = DEH_SIZE + name_len; /* if (get_reiserfs_format (fs->fs_ondisk_sb) == REISERFS_FORMAT_3_5) item_len = DEH_SIZE + strlen (name); else if (get_reiserfs_format (fs->fs_ondisk_sb) == REISERFS_FORMAT_3_6) item_len = DEH_SIZE + ROUND_UP (strlen (name)); else reiserfs_panic ("unknown fs format"); */ set_ih_item_len(&entry_ih, item_len); /* fsck may need to insert item which was not reached yet */ set_ih_flags(&entry_ih, fsck_need); entry = make_entry(NULL, name, key, get_offset(&(entry_ih.ih_key))); retval = reiserfs_search_by_entry_key(fs, &(entry_ih.ih_key), &path); switch (retval) { case POSITION_NOT_FOUND: reiserfs_paste_into_item(fs, &path, entry, item_len); break; case DIRECTORY_NOT_FOUND: set_deh_location((struct reiserfs_de_head *)entry, DEH_SIZE); reiserfs_insert_item(fs, &path, &entry_ih, entry); break; default: reiserfs_panic ("reiserfs_add_entry: looking for %k (inserting name \"%s\") " "search_by_entry_key returned %d", &(entry_ih.ih_key), name, retval); } freemem(entry); return item_len; } void copy_key(void *to, const void *from) { memcpy(to, from, KEY_SIZE); } void copy_short_key(void *to, const void *from) { memcpy(to, from, SHORT_KEY_SIZE); } /* inserts new or old stat data of a directory (unreachable, nlinks == 0) */ int create_dir_sd(reiserfs_filsys_t fs, struct reiserfs_path *path, const struct reiserfs_key *key, void (*modify_item) (struct item_head *, void *)) { struct item_head ih; struct stat_data sd; int key_format; if (fs->fs_format == REISERFS_FORMAT_3_5) key_format = KEY_FORMAT_1; else key_format = KEY_FORMAT_2; memset(&sd, 0, sizeof(sd)); make_dir_stat_data(fs->fs_blocksize, key_format, get_key_dirid(key), get_key_objectid(key), &ih, &sd); /* if calling user is not root set the owner of the root entry * to the calling user */ if (getuid()) { if (key_format == KEY_FORMAT_1) { struct stat_data_v1 *sd_v1 = (struct stat_data_v1 *)&sd; set_sd_v1_uid(sd_v1, getuid()); set_sd_v1_gid(sd_v1, getgid()); } else { set_sd_v2_uid(&sd, getuid()); set_sd_v2_gid(&sd, getgid()); } } if (modify_item) modify_item(&ih, &sd); #if 0 /* set nlink count to 0 and make the item unreachable */ zero_nlink(&ih, &sd, 0); mark_item_unreachable(&ih); #endif reiserfs_insert_item(fs, path, &ih, &sd); return key_format; } void make_sure_root_dir_exists(reiserfs_filsys_t fs, void (*modify_item) (struct item_head *, void *), int ih_flags) { INITIALIZE_REISERFS_PATH(path); /* is there root's stat data */ if (reiserfs_search_by_key_4(fs, &root_dir_key, &path) == ITEM_NOT_FOUND) { root_dir_format = create_dir_sd(fs, &path, &root_dir_key, modify_item); } else { struct item_head *ih = tp_item_head(&path); if (!is_stat_data_ih(ih)) reiserfs_panic("It must be root's stat data %k\n", &ih->ih_key); root_dir_format = (get_ih_item_len(tp_item_head(&path)) == SD_SIZE) ? KEY_FORMAT_2 : KEY_FORMAT_1; pathrelse(&path); } /* add "." and ".." if any of them do not exist. Last two parameters say: 0 - entry is not added on lost_found pass and 1 - mark item unreachable */ reiserfs_add_entry(fs, &root_dir_key, ".", name_length(".", root_dir_format), &root_dir_key, ih_flags); reiserfs_add_entry(fs, &root_dir_key, "..", name_length("..", root_dir_format), &parent_root_dir_key, ih_flags); } /* we only can use a file for filesystem or journal if it is either not mounted block device or regular file and we are forced to use it */ int can_we_format_it(const char *device_name, int force) { mode_t mode; dev_t rdev; if (misc_device_mounted(device_name) > 0) { /* device looks mounted */ reiserfs_warning(stderr, "'%s' looks mounted.", device_name); check_forcing_ask_confirmation(force); } mode = misc_device_mode(device_name); rdev = misc_device_rdev(device_name); if (!S_ISBLK(mode)) { /* file is not a block device */ reiserfs_warning(stderr, "%s is not a block special device\n", device_name); check_forcing_ask_confirmation(force); } else { if ((IDE_DISK_MAJOR(major(rdev)) && minor(rdev) % 64 == 0) || (SCSI_BLK_MAJOR(major(rdev)) && minor(rdev) % 16 == 0)) { /* /dev/hda or similar */ reiserfs_warning(stderr, "%s is entire device, not just one partition!\n", device_name); check_forcing_ask_confirmation(force); } } return 1; } int create_badblock_bitmap(reiserfs_filsys_t fs, const char *badblocks_file) { FILE *fd; char buf[128]; __u32 blocknr; int count; fs->fs_badblocks_bm = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_zero(fs->fs_badblocks_bm); if (!badblocks_file) return 0; fd = fopen(badblocks_file, "r"); if (fd == NULL) { fprintf(stderr, "%s: Failed to open the given badblock file '%s'.\n\n", __FUNCTION__, badblocks_file); return 1; } while (!feof(fd)) { if (fgets(buf, sizeof(buf), fd) == NULL) break; count = sscanf(buf, "%u", &blocknr); if (count <= 0) continue; if (blocknr >= get_sb_block_count(fs->fs_ondisk_sb)) { fprintf(stderr, "%s: block number (%u) points out of fs size " "(%u).\n", __FUNCTION__, blocknr, get_sb_block_count(fs->fs_ondisk_sb)); } else if (not_data_block(fs, blocknr)) { fprintf(stderr, "%s: block number (%u) belongs to system " "reiserfs area. It cannot be relocated.\n", __FUNCTION__, blocknr); return 1; } else { reiserfs_bitmap_set_bit(fs->fs_badblocks_bm, blocknr); } } fclose(fd); return 0; } void badblock_list(reiserfs_filsys_t fs, badblock_func_t action, void *data) { struct reiserfs_path badblock_path; struct reiserfs_key rd_key = badblock_key; struct reiserfs_key *key; badblock_path.path_length = ILLEGAL_PATH_ELEMENT_OFFSET; set_type_and_offset(KEY_FORMAT_2, &badblock_key, 1, TYPE_INDIRECT); while (1) { if (reiserfs_search_by_key_4(fs, &rd_key, &badblock_path) == IO_ERROR) { fprintf(stderr, "%s: Some problems while searching by the key " "occured. Probably due to tree corruptions.\n", __FUNCTION__); pathrelse(&badblock_path); break; } if (get_blkh_nr_items(B_BLK_HEAD(get_bh(&badblock_path))) <= PATH_LAST_POSITION(&badblock_path)) { pathrelse(&badblock_path); break; } rd_key = tp_item_head(&badblock_path)->ih_key; if (get_key_dirid(&rd_key) != BADBLOCK_DIRID || get_key_objectid(&rd_key) != BADBLOCK_OBJID || !KEY_IS_INDIRECT_KEY(&rd_key)) { pathrelse(&badblock_path); break; } if ((key = reiserfs_next_key(&badblock_path))) rd_key = *key; else memset(&rd_key, 0, sizeof(rd_key)); action(fs, &badblock_path, data); if (get_key_dirid(&rd_key) == 0) break; } } static void callback_badblock_rm(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data) { struct tree_balance tb; struct item_head *tmp_ih; tmp_ih = tp_item_head(badblock_path); memset(tp_item_body(badblock_path), 0, get_ih_item_len(tmp_ih)); init_tb_struct(&tb, fs, badblock_path, -(IH_SIZE + get_ih_item_len(tp_item_head(badblock_path)))); if (fix_nodes(M_DELETE, &tb, NULL) != CARRY_ON) die("%s: fix_nodes failed", __FUNCTION__); do_balance(&tb, NULL, NULL, M_DELETE, 0 /* zero num */); } void mark_badblock(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data) { struct item_head *tmp_ih; __le32 *ind_item; __u32 i; if (!fs->fs_badblocks_bm) create_badblock_bitmap(fs, NULL); tmp_ih = tp_item_head(badblock_path); ind_item = (__le32 *) tp_item_body(badblock_path); for (i = 0; i < I_UNFM_NUM(tmp_ih); i++) { reiserfs_bitmap_set_bit(fs->fs_badblocks_bm, d32_get(ind_item, i)); } pathrelse(badblock_path); } void add_badblock_list(reiserfs_filsys_t fs, int replace) { struct tree_balance tb; struct reiserfs_path badblock_path; struct item_head badblock_ih; __le32 ni; __u64 offset; __u32 i, j; if (fs->fs_badblocks_bm == NULL) return; /* delete all items with badblock_key */ if (replace) badblock_list(fs, callback_badblock_rm, NULL); memset(&badblock_ih, 0, sizeof(badblock_ih)); set_ih_key_format(&badblock_ih, KEY_FORMAT_2); set_ih_item_len(&badblock_ih, UNFM_P_SIZE); set_ih_free_space(&badblock_ih, 0); set_ih_location(&badblock_ih, 0); set_key_dirid(&badblock_ih.ih_key, BADBLOCK_DIRID); set_key_objectid(&badblock_ih.ih_key, BADBLOCK_OBJID); set_type(KEY_FORMAT_2, &badblock_ih.ih_key, TYPE_INDIRECT); j = 0; /* insert all badblock pointers */ for (i = 0; i < fs->fs_badblocks_bm->bm_bit_size; i++) { int retval; if (!reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) continue; offset = j * fs->fs_blocksize + 1; set_offset(KEY_FORMAT_2, &badblock_ih.ih_key, offset); ni = cpu_to_le32(i); retval = reiserfs_search_by_position(fs, &badblock_ih.ih_key, key_format(&badblock_ih.ih_key), &badblock_path); switch (retval) { case (FILE_NOT_FOUND): init_tb_struct(&tb, fs, &badblock_path, IH_SIZE + get_ih_item_len(&badblock_ih)); if (fix_nodes(M_INSERT, &tb, &badblock_ih) != CARRY_ON) die("reiserfsck_insert_item: fix_nodes failed"); do_balance(&tb, &badblock_ih, (void *)&ni, M_INSERT, 0); break; case (POSITION_NOT_FOUND): case (POSITION_FOUND): /* Insert the new item to the found position. */ init_tb_struct(&tb, fs, &badblock_path, UNFM_P_SIZE); if (fix_nodes(M_PASTE, &tb, NULL) != CARRY_ON) die("reiserfsck_paste_into_item: fix_nodes failed"); do_balance(&tb, NULL, (const char *)&ni, M_PASTE, 0); break; } j++; } } int reiserfs_iterate_file_data(reiserfs_filsys_t fs, const struct reiserfs_key const *short_key, reiserfs_file_iterate_indirect_fn indirect_fn, reiserfs_file_iterate_direct_fn direct_fn, void *data) { INITIALIZE_REISERFS_PATH(path); struct reiserfs_key key = { .k2_dir_id = short_key->k2_dir_id, .k2_objectid = short_key->k2_objectid, }; struct item_head *ih; __u64 size; __u64 position = 0; int ret; set_key_type_v2(&key, TYPE_STAT_DATA); set_key_offset_v2(&key, 0); ret = reiserfs_search_by_key_3(fs, &key, &path); if (ret != ITEM_FOUND) { ret = -ENOENT; goto fail; } ih = tp_item_head(&path); if (!is_stat_data_ih(ih)) { ret = -EINVAL; goto fail; } if (get_ih_key_format(ih) == KEY_FORMAT_1) { struct stat_data_v1 *sd = tp_item_body(&path); size = sd_v1_size(sd); } else { struct stat_data *sd = tp_item_body(&path); size = sd_v2_size(sd); } pathrelse(&path); set_key_offset_v2(&key, 1); set_key_type_v2(&key, TYPE_DIRECT); while (position < size) { struct item_head *ih = tp_item_head(&path); __u64 offset; ret = reiserfs_search_by_position(fs, &key, 0, &path); ih = tp_item_head(&path); if (ret != POSITION_FOUND) { reiserfs_warning(stderr, "found %k instead of %k [%d] (%lu, %lu)\n", &ih->ih_key, &key, ret, position, size); if (ret != ITEM_NOT_FOUND) ret = -EIO; goto fail; } offset = get_offset(&ih->ih_key); position = offset - 1; if (is_indirect_key(&ih->ih_key)) { int num_ptrs = get_ih_item_len(ih) / 4; __u32 *ptrs = tp_item_body(&path); if (!num_ptrs) { reiserfs_warning(stderr, "indirect item %k contained 0 block pointers\n", &ih->ih_key); ret = -EIO; goto fail; } ret = indirect_fn(fs, position, size, num_ptrs, ptrs, data); if (ret) goto fail; position += num_ptrs * fs->fs_blocksize; } else if (is_direct_key(&ih->ih_key)) { int len = get_ih_item_len(ih); ret = direct_fn(fs, position, size, tp_item_body(&path), len, data); if (ret) goto fail; position += len; } else break; pathrelse(&path); set_key_offset_v2(&key, position + 1); } ret = 0; fail: pathrelse(&path); return ret; } int reiserfs_iterate_dir(reiserfs_filsys_t fs, const struct reiserfs_key const *dir_short_key, const reiserfs_iterate_dir_fn callback, void *data) { INITIALIZE_REISERFS_PATH(path); struct reiserfs_key *next_key; struct reiserfs_key min_key = {}; struct reiserfs_de_head *deh; struct reiserfs_key next_item_key; int ret; __u64 next_pos = DOT_OFFSET; set_key_dirid(&next_item_key, get_key_dirid(dir_short_key)); set_key_objectid(&next_item_key, get_key_objectid(dir_short_key)); set_key_offset_v1(&next_item_key, DOT_OFFSET); set_key_uniqueness(&next_item_key, DIRENTRY_UNIQUENESS); while (1) { __u32 pos; int i; struct item_head *ih; ret = reiserfs_search_by_entry_key(fs, &next_item_key, &path); if (ret != POSITION_FOUND) { reiserfs_warning(stderr, "search by entry key for %k: %d\n", &next_item_key, ret); break; } ret = 0; ih = tp_item_head(&path); deh = tp_item_body(&path); pos = path.pos_in_item; deh += pos; for (i = pos; i < get_ih_entry_count(ih); i++, deh++) { const char *name; size_t name_len; if (get_deh_offset(deh) == DOT_OFFSET || get_deh_offset(deh) == DOT_DOT_OFFSET) continue; name = tp_item_body(&path) + get_deh_location(deh); name_len = entry_length(ih, deh, i); if (!name[name_len - 1]) name_len = strlen(name); ret = callback(fs, dir_short_key, name, name_len, get_deh_dirid(deh), get_deh_objectid(deh), data); if (ret) goto fail; next_pos = get_deh_offset(deh) + 1; } next_key = uget_rkey(&path); if (!next_key) break; if (!comp_keys(next_key, &min_key)) { set_key_offset_v2(&next_item_key, next_pos); pathrelse(&path); continue; } if (comp_short_keys(next_key, &next_item_key)) break; next_item_key = *next_key; pathrelse(&path); } fail: pathrelse(&path); return ret; } void __attribute__ ((constructor)) init(void) { initialize_reiserfs_error_table(); } reiserfsprogs-3.6.25/reiserfscore/bitmap.c0000644000175000001440000004143612310423334015537 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* * 2000/10/26 - Initial version. */ #include "includes.h" #include /* create clean bitmap */ reiserfs_bitmap_t *reiserfs_create_bitmap(unsigned int bit_count) { reiserfs_bitmap_t *bm; bm = getmem(sizeof(*bm)); if (!bm) return NULL; bm->bm_bit_size = bit_count; bm->bm_byte_size = ((unsigned long long)bit_count + 7) / 8; bm->bm_set_bits = 0; bm->bm_map = getmem(bm->bm_byte_size); if (!bm->bm_map) { freemem(bm); return NULL; } return bm; } /* Expand existing bitmap. Return non-zero if can't. FIXME: it is assumed that bit_count is new number of blocks to be addressed */ int reiserfs_expand_bitmap(reiserfs_bitmap_t *bm, unsigned int bit_count) { unsigned int byte_count = ((bit_count + 7) / 8); char *new_map; new_map = expandmem(bm->bm_map, bm->bm_byte_size, byte_count - bm->bm_byte_size); if (!new_map) { return 1; } bm->bm_map = new_map; bm->bm_byte_size = byte_count; bm->bm_bit_size = bit_count; bm->bm_dirty = 1; return 0; } void reiserfs_shrink_bitmap(reiserfs_bitmap_t *bm, unsigned int bit_count) { unsigned long i; assert(bm->bm_bit_size >= bit_count); bm->bm_byte_size = (bit_count + 7) / 8; bm->bm_bit_size = bit_count; bm->bm_set_bits = 0; bm->bm_dirty = 1; for (i = 0; i < bm->bm_bit_size; i++) { if (reiserfs_bitmap_test_bit(bm, i)) bm->bm_set_bits++; } } /* bitmap destructor */ void reiserfs_delete_bitmap(reiserfs_bitmap_t *bm) { freemem(bm->bm_map); bm->bm_map = NULL; /* to not reuse bitmap handle */ bm->bm_bit_size = 0; bm->bm_byte_size = 0; freemem(bm); } void reiserfs_bitmap_copy(reiserfs_bitmap_t *to, reiserfs_bitmap_t *from) { assert(to->bm_byte_size == from->bm_byte_size); memcpy(to->bm_map, from->bm_map, from->bm_byte_size); to->bm_bit_size = from->bm_bit_size; to->bm_set_bits = from->bm_set_bits; to->bm_dirty = 1; } int reiserfs_bitmap_compare(reiserfs_bitmap_t *bm1, reiserfs_bitmap_t *bm2) { unsigned long i, diff; unsigned long int bytes, bits; assert(bm1->bm_byte_size == bm2->bm_byte_size && bm1->bm_bit_size == bm2->bm_bit_size); diff = 0; /* compare full bytes */ bytes = bm1->bm_bit_size / 8; bits = bytes * 8; if (memcmp(bm1->bm_map, bm2->bm_map, bytes)) { for (i = 0; i < bits; i++) if (reiserfs_bitmap_test_bit(bm1, i) != reiserfs_bitmap_test_bit(bm2, i)) diff++; } /* compare last byte of bitmap which can be used partially */ bits = bm1->bm_bit_size % 8; for (i = bm1->bm_bit_size / 8 * 8; i < bm1->bm_bit_size / 8 * 8 + bits; i++) if (reiserfs_bitmap_test_bit(bm1, i) != reiserfs_bitmap_test_bit(bm2, i)) diff++; /* int mask; mask = 255 >> (8 - bits); if ((bm1->bm_map [bytes] & mask) != (bm2->bm_map [bytes] & mask)) { diff ++; } }*/ return diff; } /* Does X | Y for every bit of the bitmap `to`, where X - bit of the `to` bitmap, Y - `from` bitmap. Save result in the `to` bitmap. */ void reiserfs_bitmap_disjunction(reiserfs_bitmap_t *to, reiserfs_bitmap_t *from) { unsigned int i; assert(to->bm_byte_size == from->bm_byte_size && to->bm_bit_size == from->bm_bit_size); for (i = 0; i < to->bm_bit_size; i++) { if (misc_test_bit(i, from->bm_map) && !misc_test_bit(i, to->bm_map)) { misc_set_bit(i, to->bm_map); to->bm_set_bits++; to->bm_dirty = 1; } } } /* Does X & !Y for every bit of the bitmap `base`, where X - bit of the `base` bitmap, Y - `exclude` bitmap. Save result in the `base` bitmap. */ void reiserfs_bitmap_delta(reiserfs_bitmap_t *base, reiserfs_bitmap_t *exclude) { unsigned int i; assert(base->bm_byte_size == exclude->bm_byte_size && base->bm_bit_size == exclude->bm_bit_size); for (i = 0; i < base->bm_bit_size; i++) { if (misc_test_bit(i, exclude->bm_map) && misc_test_bit(i, base->bm_map)) { misc_clear_bit(i, base->bm_map); base->bm_set_bits--; base->bm_dirty = 1; } } } void reiserfs_bitmap_set_bit(reiserfs_bitmap_t *bm, unsigned int bit_number) { assert(bit_number < bm->bm_bit_size); if (misc_test_bit(bit_number, bm->bm_map)) return; misc_set_bit(bit_number, bm->bm_map); bm->bm_set_bits++; bm->bm_dirty = 1; } void reiserfs_bitmap_clear_bit(reiserfs_bitmap_t *bm, unsigned int bit_number) { assert(bit_number < bm->bm_bit_size); if (!misc_test_bit(bit_number, bm->bm_map)) return; misc_clear_bit(bit_number, bm->bm_map); bm->bm_set_bits--; bm->bm_dirty = 1; } int reiserfs_bitmap_test_bit(reiserfs_bitmap_t *bm, unsigned int bit_number) { if (bit_number >= bm->bm_bit_size) printf("bit %u, bitsize %lu\n", bit_number, bm->bm_bit_size); assert(bit_number < bm->bm_bit_size); return misc_test_bit(bit_number, bm->bm_map); } unsigned int reiserfs_bitmap_zeros(reiserfs_bitmap_t *bm) { return bm->bm_bit_size - bm->bm_set_bits; } unsigned int reiserfs_bitmap_ones(reiserfs_bitmap_t *bm) { return bm->bm_set_bits; } int reiserfs_bitmap_find_zero_bit(reiserfs_bitmap_t *bm, unsigned long *first) { unsigned long bit_nr = *first; assert(*first < bm->bm_bit_size); bit_nr = misc_find_next_zero_bit(bm->bm_map, bm->bm_bit_size, *first); if (bit_nr >= bm->bm_bit_size) { /* search failed */ return 1; } *first = bit_nr; return 0; } /* read every bitmap block and copy their content into bitmap 'bm' */ static int reiserfs_fetch_ondisk_bitmap(reiserfs_bitmap_t *bm, reiserfs_filsys_t fs) { unsigned int last_byte_unused_bits; unsigned long block, to_copy; struct buffer_head *bh; unsigned int i; int copied; int ret = 0; char *p; to_copy = (get_sb_block_count(fs->fs_ondisk_sb) + 7) / 8; /*reiserfs_warning (stderr, "Fetching on-disk bitmap.."); */ assert(bm->bm_byte_size == to_copy); copied = fs->fs_blocksize; p = bm->bm_map; block = fs->fs_super_bh->b_blocknr + 1; while (to_copy) { bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "reiserfs_fetch_ondisk_bitmap: " "bread failed reading bitmap (%lu)\n", block); bh = getblk(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { reiserfs_exit(1, "reiserfs_fetch_ondisk_bitmap: " "getblk failed"); } memset(bh->b_data, 0xff, bh->b_size); mark_buffer_uptodate(bh, 1); } if (to_copy < fs->fs_blocksize) { for (i = to_copy; i < fs->fs_blocksize; i++) { if (bh->b_data[i] != (char)0xff) { ret = 1; break; } } copied = to_copy; } memcpy(p, bh->b_data, copied); brelse(bh); p += copied; to_copy -= copied; /* next bitmap block */ if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } /* on disk bitmap has bits out of SB_BLOCK_COUNT set to 1, where as reiserfs_bitmap_t has those bits set to 0 */ last_byte_unused_bits = bm->bm_byte_size * 8 - bm->bm_bit_size; for (i = 0; i < last_byte_unused_bits; i++) { if (misc_test_bit(bm->bm_bit_size + i, bm->bm_map) == 0) ret = 1; else misc_clear_bit(bm->bm_bit_size + i, bm->bm_map); } bm->bm_set_bits = 0; /* FIXME: optimize that */ for (i = 0; i < bm->bm_bit_size; i++) if (reiserfs_bitmap_test_bit(bm, i)) bm->bm_set_bits++; bm->bm_dirty = 0; return ret; } /* copy bitmap 'bm' to buffers which hold on-disk bitmap if bitmap was ever changed and return 1. Otherwise - return 0 */ int reiserfs_flush_to_ondisk_bitmap(reiserfs_bitmap_t *bm, reiserfs_filsys_t fs) { unsigned int last_byte_unused_bits, i; unsigned long to_copy, copied, block; struct buffer_head *bh; char *p; /* make sure that the device is big enough */ bh = bread(fs->fs_dev, bm->bm_bit_size - 1, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "reiserfs_flush_to_ondisk_bitmap: bread failed for block %lu\n", bm->bm_bit_size - 1); /* bh = getblk (fs->fs_dev, bm->bm_bit_size - 1, fs->fs_blocksize); if (!bh) reiserfs_panic ("reiserfs_flush_to_ondisk_bitmap: getblk failed"); mark_buffer_uptodate (bh, 1); mark_buffer_dirty (bh); bwrite (bh);*/ } brelse(bh); if (!bm->bm_dirty) return 0; to_copy = bm->bm_byte_size; copied = fs->fs_blocksize; p = bm->bm_map; block = fs->fs_super_bh->b_blocknr + 1; while (to_copy) { /* we bread to make sure that filesystem contains enough blocks */ bh = getblk(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { reiserfs_exit(1, "Getblk failed for (%lu)\n", block); } memset(bh->b_data, 0xff, bh->b_size); mark_buffer_uptodate(bh, 1); if (to_copy < fs->fs_blocksize) copied = to_copy; memcpy(bh->b_data, p, copied); if (copied == to_copy) { /* set unused bits of last byte of a bitmap to 1 */ last_byte_unused_bits = bm->bm_byte_size * 8 - bm->bm_bit_size; for (i = 0; i < last_byte_unused_bits; i++) misc_set_bit((bm->bm_bit_size % (fs->fs_blocksize * 8)) + i, bh->b_data); } mark_buffer_dirty(bh); brelse(bh); p += copied; to_copy -= copied; /* next bitmap block */ if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } return 1; } void reiserfs_bitmap_zero(reiserfs_bitmap_t *bm) { memset(bm->bm_map, 0, bm->bm_byte_size); bm->bm_set_bits = 0; bm->bm_dirty = 1; } void reiserfs_bitmap_fill(reiserfs_bitmap_t *bm) { memset(bm->bm_map, 0xff, bm->bm_byte_size); bm->bm_set_bits = bm->bm_bit_size; bm->bm_dirty = 1; } /* format of bitmap saved in a file: magic number (32 bits) bm_bit_size (32 bits) number of ranges of used and free blocks (32 bits) number of contiguously used block, .. of free blocks, used, free, etc magic number (32 bits) */ #define BITMAP_START_MAGIC 374031 #define BITMAP_END_MAGIC 7786472 FILE *open_file(const char *filename, char *const option) { FILE *fp = fopen(filename, option); if (!fp) { reiserfs_warning(stderr, "open_file: could not open file %s\n", filename); return NULL; } reiserfs_warning(stderr, "Temp file opened by fsck: \"%s\" .. \n", filename); return fp; } void close_file(FILE * fp) { fclose(fp); /*reiserfs_warning (stderr, "done\n"); fflush (stderr); */ } void reiserfs_bitmap_save(FILE * fp, reiserfs_bitmap_t *bm) { // FILE * fp; __u32 v; int zeros; int count; unsigned int i; int extents; long position; /* fp = fopen (filename, "w+"); if (!fp) { reiserfs_warning (stderr, "reiserfs_bitmap_save: could not save bitmap in %s: %s", filename, strerror(errno)); return; } */ // reiserfs_warning (stderr, "Saving bitmap in \"%s\" .. ", filename); fflush (stderr); v = BITMAP_START_MAGIC; fwrite(&v, 4, 1, fp); v = bm->bm_bit_size; fwrite(&v, 4, 1, fp); /*printf ("SAVE: bit_size - %d\n", v); */ position = ftell(fp); if (fseek(fp, 4, SEEK_CUR)) { reiserfs_warning(stderr, "reiserfs_bitmap_save: fseek failed: %s\n", strerror(errno)); // fclose (fp); return; } zeros = 0; count = 0; extents = 0; for (i = 0; i < v; i++) { if (reiserfs_bitmap_test_bit(bm, i)) { if (zeros) { /* previous bit was not set, write amount of not set bits, switch to count set bits */ fwrite(&count, 4, 1, fp); /*printf ("SAVE: Free %d\n", count); */ extents++; count = 1; zeros = 0; } else { /* one more zero bit appeared */ count++; } } else { /* zero bit found */ if (zeros) { count++; } else { /* previous bit was set, write amount of set bits, switch to count not set bits */ fwrite(&count, 4, 1, fp); /*printf ("SAVE: Used %d\n", count); */ extents++; count = 1; zeros = 1; } } } fwrite(&count, 4, 1, fp); extents++; /* if (zeros) printf ("SAVE: Free %d\n", count); else printf ("SAVE: Used %d\n", count); */ v = BITMAP_END_MAGIC; fwrite(&v, 4, 1, fp); if (fseek(fp, position, SEEK_SET)) { reiserfs_warning(stderr, "reiserfs_bitmap_save: fseek failed: %s", strerror(errno)); return; } fwrite(&extents, 4, 1, fp); if (fseek(fp, 0, SEEK_END)) { reiserfs_warning(stderr, "reiserfs_bitmap_save: fseek failed: %s", strerror(errno)); return; } } /* format of fsck dump file: after pass0 magic number (32 bits) passed stage number bitmap of leaves bitmap of good_unfm bitmap of bad_unfm magic number (32 bits) */ #define FSCK_DUMP_START_MAGIC 374033 #define FSCK_DUMP_END_MAGIC 7786470 void reiserfs_begin_stage_info_save(FILE * file, unsigned long stage) { __u32 v = FSCK_DUMP_START_MAGIC; fwrite(&v, 4, 1, file); fwrite(&stage, 4, 1, file); } void reiserfs_end_stage_info_save(FILE * file) { __u32 v = FSCK_DUMP_END_MAGIC; fwrite(&v, 4, 1, file); } /*return last passed stage*/ int is_stage_magic_correct(FILE * fp) { __u32 v; if (fseek(fp, -4, SEEK_END)) { reiserfs_warning(stderr, "is_stage_magic_correct: fseek failed: %s\n", strerror(errno)); return -1; } fread(&v, 4, 1, fp); if (v != FSCK_DUMP_END_MAGIC) { reiserfs_warning(stderr, "is_stage_magic_correct: no magic found\n"); return -1; } if (fseek(fp, 0, SEEK_SET)) { reiserfs_warning(stderr, "is_stage_magic_correct: fseek failed: %s\n", strerror(errno)); return -1; } fread(&v, 4, 1, fp); if (v != FSCK_DUMP_START_MAGIC) { reiserfs_warning(stderr, "is_stage_magic_correct: no magic found\n"); return -1; } fread(&v, 4, 1, fp); if (v != PASS_0_DONE && v != PASS_1_DONE && v != TREE_IS_BUILT && v != SEMANTIC_DONE && v != LOST_FOUND_DONE) { reiserfs_warning(stderr, "is_stage_magic_correct: wrong pass found"); return -1; } return (__u16) v; } reiserfs_bitmap_t *reiserfs_bitmap_load(FILE * fp) { // FILE * fp; __u32 v; int count; int i, j; int extents; int bit; reiserfs_bitmap_t *bm; /* fp = fopen (filename, "r"); if (!fp) { reiserfs_warning (stderr, "reiserfs_bitmap_load: fopen failed: %s\n", strerror(errno)); return 0; }*/ fread(&v, 4, 1, fp); if (v != BITMAP_START_MAGIC) { reiserfs_warning(stderr, "reiserfs_bitmap_load: " "no bitmap start magic found"); // fclose (fp); return NULL; } /* read bit size of bitmap */ fread(&v, 4, 1, fp); bm = reiserfs_create_bitmap(v); if (!bm) { reiserfs_warning(stderr, "reiserfs_bitmap_load: creation failed"); // fclose (fp); return NULL; } /*printf ("LOAD: bit_size - %d\n", v); */ fread(&extents, 4, 1, fp); /*printf ("LOAD: extents - %d\n", extents); */ bit = 0; for (i = 0; i < extents; i++) { fread(&count, 4, 1, fp); /* if (i % 2) printf ("LOAD: Free %d\n", count); else printf ("LOAD: Used %d\n", count); */ for (j = 0; j < count; j++, bit++) if (i % 2 == 0) { reiserfs_bitmap_set_bit(bm, bit); } } fread(&v, 4, 1, fp); /*printf ("LOAD: Endmagic %d\n", v); */ // fclose (fp); if (v != BITMAP_END_MAGIC) { reiserfs_warning(stderr, "reiserfs_bitmap_load: " "no bitmap end magic found"); return NULL; } /* reiserfs_warning (stderr, "%d bits set - done\n", reiserfs_bitmap_ones (bm)); */ fflush(stderr); return bm; } void reiserfs_bitmap_invert(reiserfs_bitmap_t *bm) { unsigned int i; /*reiserfs_warning (stderr, "Bitmap inverting..");fflush (stderr); */ for (i = 0; i < bm->bm_bit_size; i++) { if (reiserfs_bitmap_test_bit(bm, i)) reiserfs_bitmap_clear_bit(bm, i); else reiserfs_bitmap_set_bit(bm, i); } /*reiserfs_warning (stderr, "done\n"); */ } void reiserfs_free_ondisk_bitmap(reiserfs_filsys_t fs) { if (fs->fs_bitmap2) { reiserfs_delete_bitmap(fs->fs_bitmap2); fs->fs_bitmap2 = NULL; } } /* read bitmap blocks */ int reiserfs_open_ondisk_bitmap(reiserfs_filsys_t fs) { unsigned int blocks = get_sb_block_count(fs->fs_ondisk_sb); unsigned int bmap_nr = reiserfs_bmap_nr(blocks, fs->fs_blocksize); if (fs->fs_bitmap2) reiserfs_panic("bitmap is initiaized already"); fs->fs_bitmap2 = reiserfs_create_bitmap(blocks); if (!fs->fs_bitmap2) return -1; if (reiserfs_bmap_over(bmap_nr)) { if (get_sb_bmap_nr(fs->fs_ondisk_sb) != 0) { reiserfs_warning(stderr, "%s: large file system has " "incorrect bitmap count %u. Should be 0 " "to indicate overflow.\nPlease re-run with " "--rebuild-sb to fix it.\n", __FUNCTION__, get_sb_bmap_nr(fs->fs_ondisk_sb)); return -1; } } else if (bmap_nr != get_sb_bmap_nr(fs->fs_ondisk_sb)) { reiserfs_warning(stderr, "%s: wrong either bitmaps number,\n", __FUNCTION__); reiserfs_warning(stderr, "count of blocks or blocksize, run with " "--rebuild-sb to fix it\n"); return -1; } return reiserfs_fetch_ondisk_bitmap(fs->fs_bitmap2, fs); } int reiserfs_create_ondisk_bitmap(reiserfs_filsys_t fs) { if (fs->fs_bitmap2) reiserfs_panic("bitmap is initiaized already"); fs->fs_bitmap2 = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); if (!fs->fs_bitmap2) return 0; return 1; } void reiserfs_close_ondisk_bitmap(reiserfs_filsys_t fs) { if (!fs->fs_bitmap2) return; reiserfs_flush_to_ondisk_bitmap(fs->fs_bitmap2, fs); reiserfs_free_ondisk_bitmap(fs); } reiserfsprogs-3.6.25/reiserfscore/journal.c0000644000175000001440000006201412310423334015730 00000000000000/* * Copyright 2002-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #include "includes.h" #include "progbar.h" /* compares description block with commit block. returns 0 if they differ, 1 if they match */ static int does_desc_match_commit(struct buffer_head *d_bh, struct buffer_head *c_bh) { return (get_commit_trans_id(c_bh) == get_desc_trans_id(d_bh) && get_commit_trans_len(c_bh) == get_desc_trans_len(d_bh)); } /* d_bh is descriptor, return number of block where commit block of this transaction is to be */ static unsigned long commit_expected(reiserfs_filsys_t fs, struct buffer_head *d_bh) { unsigned long offset; struct journal_params *sb_jp; sb_jp = sb_jp(fs->fs_ondisk_sb); //desc = (struct reiserfs_journal_desc *)d_bh->b_data; offset = d_bh->b_blocknr - get_jp_journal_1st_block(sb_jp); return get_jp_journal_1st_block(sb_jp) + ((offset + get_desc_trans_len(d_bh) + 1) % get_jp_journal_size(sb_jp)); } /* d_bh contains journal descriptor, returns number of block where descriptor block of next transaction should be */ static unsigned long next_desc_expected(reiserfs_filsys_t fs, struct buffer_head *d_bh) { unsigned long offset; struct journal_params *sb_jp; sb_jp = sb_jp(fs->fs_ondisk_sb); //desc = (struct reiserfs_journal_desc *)d_bh->b_data; offset = d_bh->b_blocknr - get_jp_journal_1st_block(sb_jp); return get_jp_journal_1st_block(sb_jp) + ((offset + get_desc_trans_len(d_bh) + 2) % get_jp_journal_size(sb_jp)); } /* common checks for validness of a transaction */ static int transaction_check_content(reiserfs_filsys_t fs, reiserfs_trans_t *trans) { struct buffer_head *d_bh, *c_bh; struct reiserfs_journal_desc *desc; struct reiserfs_journal_commit *commit; unsigned long block; unsigned int trans_half, i; d_bh = bread(fs->fs_journal_dev, trans->desc_blocknr, fs->fs_blocksize); if (!d_bh || who_is_this(d_bh->b_data, d_bh->b_size) != THE_JDESC) goto error_desc_brelse; /* read expected commit block and compare with descriptor block */ c_bh = bread(fs->fs_journal_dev, commit_expected(fs, d_bh), fs->fs_blocksize); if (!c_bh) goto error_desc_brelse; if (!does_desc_match_commit(d_bh, c_bh)) goto error_commit_brelse; /* Check that all target blocks are journalable */ desc = (struct reiserfs_journal_desc *)(d_bh->b_data); commit = (struct reiserfs_journal_commit *)(c_bh->b_data); trans_half = journal_trans_half(d_bh->b_size); for (i = 0; i < get_desc_trans_len(d_bh); i++) { if (i < trans_half) block = le32_to_cpu(desc->j2_realblock[i]); else block = le32_to_cpu(commit->j3_realblock[i - trans_half]); if (not_journalable(fs, block)) goto error_commit_brelse; } brelse(d_bh); brelse(c_bh); return 1; error_commit_brelse: brelse(c_bh); error_desc_brelse: brelse(d_bh); return 0; } /* common checks for validness of a transaction */ static int transaction_check_desc(reiserfs_filsys_t fs, struct buffer_head *d_bh) { struct buffer_head *c_bh; int ret = 1; if (!d_bh || who_is_this(d_bh->b_data, d_bh->b_size) != THE_JDESC) return 0; /* read expected commit block and compare with descriptor block */ c_bh = bread(fs->fs_journal_dev, commit_expected(fs, d_bh), fs->fs_blocksize); if (!c_bh) return 0; if (!does_desc_match_commit(d_bh, c_bh)) ret = 0; brelse(c_bh); return ret; } /* read the journal and find the oldest and newest transactions, return number of transactions found */ int get_boundary_transactions(reiserfs_filsys_t fs, reiserfs_trans_t *oldest, reiserfs_trans_t *newest) { struct reiserfs_super_block *sb; unsigned long j_cur; unsigned long j_start; unsigned long j_size; struct buffer_head *d_bh; __u32 newest_trans_id, oldest_trans_id, trans_id; int trans_nr; sb = fs->fs_ondisk_sb; j_start = get_jp_journal_1st_block(sb_jp(sb)); j_size = get_jp_journal_size(sb_jp(sb)); oldest_trans_id = 0xffffffff; newest_trans_id = 0; trans_nr = 0; for (j_cur = 0; j_cur < j_size; j_cur++) { d_bh = bread(fs->fs_journal_dev, j_start + j_cur, fs->fs_blocksize); if (!transaction_check_desc(fs, d_bh)) { brelse(d_bh); continue; } trans_nr++; trans_id = get_desc_trans_id(d_bh); if (trans_id < oldest_trans_id) { oldest_trans_id = trans_id; oldest->mount_id = get_desc_mount_id(d_bh); oldest->trans_id = get_desc_trans_id(d_bh); oldest->desc_blocknr = d_bh->b_blocknr; oldest->trans_len = get_desc_trans_len(d_bh); oldest->commit_blocknr = commit_expected(fs, d_bh); oldest->next_trans_offset = next_desc_expected(fs, d_bh) - j_start; } if (trans_id > newest_trans_id) { newest_trans_id = trans_id; newest->mount_id = get_desc_mount_id(d_bh); newest->trans_id = get_desc_trans_id(d_bh); newest->desc_blocknr = d_bh->b_blocknr; newest->trans_len = get_desc_trans_len(d_bh); newest->commit_blocknr = commit_expected(fs, d_bh); newest->next_trans_offset = next_desc_expected(fs, d_bh) - j_start; } j_cur += get_desc_trans_len(d_bh) + 1; brelse(d_bh); } return trans_nr; } #define TRANS_FOUND 1 #define TRANS_NOT_FOUND 0 /* trans is a valid transaction. Look for valid transaction with smallest trans id which is greater than the id of the current one */ int next_transaction(reiserfs_filsys_t fs, reiserfs_trans_t *trans, reiserfs_trans_t break_trans) { struct buffer_head *d_bh, *next_d_bh; int found; unsigned long j_start; unsigned long j_offset; unsigned long block; j_start = get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)); found = TRANS_NOT_FOUND; if (trans->trans_id == break_trans.trans_id) return found; /* make sure that 'trans' is a valid transaction */ d_bh = bread(fs->fs_journal_dev, trans->desc_blocknr, fs->fs_blocksize); if (!transaction_check_desc(fs, d_bh)) die("next_transaction: valid transaction is expected"); block = next_desc_expected(fs, d_bh); j_offset = block - j_start; while (1) { next_d_bh = bread(fs->fs_journal_dev, block, fs->fs_blocksize); if (transaction_check_desc(fs, next_d_bh)) break; brelse(next_d_bh); j_offset++; block = j_start + (j_offset % get_jp_journal_size(sb_jp(fs->fs_ondisk_sb))); } //next_desc = (struct reiserfs_journal_desc *)next_d_bh->b_data; if (break_trans.trans_id >= get_desc_trans_id(next_d_bh)) { /* found transaction is newer */ trans->mount_id = get_desc_mount_id(next_d_bh); trans->trans_id = get_desc_trans_id(next_d_bh); trans->desc_blocknr = next_d_bh->b_blocknr; trans->trans_len = get_desc_trans_len(next_d_bh); trans->commit_blocknr = commit_expected(fs, next_d_bh); trans->next_trans_offset = next_desc_expected(fs, next_d_bh) - j_start; found = TRANS_FOUND; } brelse(d_bh); brelse(next_d_bh); return found; } static void read_journal_write_in_place(reiserfs_filsys_t fs, reiserfs_trans_t *trans, unsigned int index, unsigned long in_journal, unsigned long in_place) { struct buffer_head *j_bh, *bh; j_bh = bread(fs->fs_journal_dev, in_journal, fs->fs_blocksize); if (!j_bh) { fprintf(stderr, "replay_one_transaction: transaction %lu: reading %lu block failed\n", trans->trans_id, in_journal); return; } if (not_journalable(fs, in_place)) { fprintf(stderr, "replay_one_transaction: transaction %lu: block %ld should not be journalled (%lu)\n", trans->trans_id, in_journal, in_place); brelse(j_bh); return; } bh = getblk(fs->fs_dev, in_place, fs->fs_blocksize); memcpy(bh->b_data, j_bh->b_data, bh->b_size); mark_buffer_dirty(bh); mark_buffer_uptodate(bh, 1); bwrite(bh); brelse(bh); brelse(j_bh); } /* go through all blocks of transaction and call 'action' each of them */ void for_each_block(reiserfs_filsys_t fs, reiserfs_trans_t *trans, action_on_block_t action) { struct buffer_head *d_bh, *c_bh; struct reiserfs_journal_desc *desc; struct reiserfs_journal_commit *commit; unsigned long j_start, j_offset, j_size; unsigned int i, trans_half; unsigned long block; d_bh = bread(fs->fs_journal_dev, trans->desc_blocknr, fs->fs_blocksize); if (!d_bh) { reiserfs_warning(stdout, "reading descriptor block %lu failed\n", trans->desc_blocknr); return; } c_bh = bread(fs->fs_journal_dev, trans->commit_blocknr, fs->fs_blocksize); if (!c_bh) { reiserfs_warning(stdout, "reading commit block %lu failed\n", trans->commit_blocknr); brelse(d_bh); return; } desc = (struct reiserfs_journal_desc *)(d_bh->b_data); commit = (struct reiserfs_journal_commit *)(c_bh->b_data); /* first block of journal and size of journal */ j_start = get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)); j_size = get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)); /* offset in the journal where the transaction starts */ j_offset = trans->desc_blocknr - j_start + 1; trans_half = journal_trans_half(d_bh->b_size); for (i = 0; i < trans->trans_len; i++, j_offset++) { if (i < trans_half) block = le32_to_cpu(desc->j2_realblock[i]); else block = le32_to_cpu(commit->j3_realblock[i - trans_half]); action(fs, trans, i, j_start + (j_offset % j_size), block); } brelse(d_bh); brelse(c_bh); } /* transaction is supposed to be valid */ int replay_one_transaction(reiserfs_filsys_t fs, reiserfs_trans_t *trans) { for_each_block(fs, trans, read_journal_write_in_place); fsync(fs->fs_dev); return 0; } void for_each_transaction(reiserfs_filsys_t fs, action_on_trans_t action) { reiserfs_trans_t oldest, newest; int ret = 0; if (!get_boundary_transactions(fs, &oldest, &newest)) return; while (1) { action(fs, &oldest); if ((ret = next_transaction(fs, &oldest, newest)) == TRANS_NOT_FOUND) break; } } unsigned long get_size_of_journal_or_reserved_area(struct reiserfs_super_block *sb) { if (is_reiserfs_jr_magic_string(sb)) return get_sb_reserved_for_journal(sb); /* with standard journal */ return get_jp_journal_size(sb_jp(sb)) + 1; } __u32 advise_journal_max_trans_len(__u32 desired, __u32 journal_size /* no j_header */ , int blocksize, int verbose) { __u32 saved; __u32 ratio = 1; if (blocksize < 4096) ratio = 4096 / blocksize; saved = desired; if (!desired) desired = JOURNAL_TRANS_MAX / ratio; if (journal_size / desired < JOURNAL_MIN_RATIO) desired = journal_size / JOURNAL_MIN_RATIO; if (desired > JOURNAL_TRANS_MAX / ratio) desired = JOURNAL_TRANS_MAX / ratio; if (desired < JOURNAL_TRANS_MIN / ratio) desired = JOURNAL_TRANS_MIN / ratio; if (verbose) { if (saved && saved != desired) reiserfs_warning(stderr, "WARNING: wrong transaction max size (%u). Changed to %u\n", saved, desired); } return desired; } __u32 advise_journal_max_batch(unsigned long journal_trans_max) { return journal_trans_max * JOURNAL_MAX_BATCH / JOURNAL_TRANS_MAX; } __u32 advise_journal_max_commit_age(void) { return JOURNAL_MAX_COMMIT_AGE; } __u32 advise_journal_max_trans_age(void) { return JOURNAL_MAX_TRANS_AGE; } int reiserfs_journal_params_check(reiserfs_filsys_t fs) { struct reiserfs_journal_header *j_head; struct reiserfs_super_block *sb = fs->fs_ondisk_sb; j_head = (struct reiserfs_journal_header *)(fs->fs_jh_bh->b_data); /* Check the superblock's journal parameters. */ if (!is_reiserfs_jr_magic_string(sb)) { if (get_jp_journal_dev(sb_jp(sb)) != 0 || get_jp_journal_1st_block(sb_jp(sb)) != get_journal_start_must(fs) || get_jp_journal_size(sb_jp(sb)) != journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) { reiserfs_warning(stderr, "\nreiserfs_open_journal: wrong journal parameters found in the " "super block. \nYou should run reiserfsck with --rebuild-sb to " "check your superblock consistency.\n\n"); return 1; } } if (memcmp (&j_head->jh_journal, sb_jp(sb), sizeof(struct journal_params))) { if (!is_reiserfs_jr_magic_string(sb)) { reiserfs_warning(stderr, "\nreiserfs_open_journal: journal parameters from the superblock " "does not match \nto the journal headers ones. It looks like that " "you created your fs with old\nreiserfsprogs. Journal header is " "fixed.\n\n", fs->fs_j_file_name); memcpy(&j_head->jh_journal, sb_jp(sb), sizeof(struct journal_params)); mark_buffer_dirty(fs->fs_jh_bh); bwrite(fs->fs_jh_bh); } else { reiserfs_warning(stderr, "\nreiserfs_open_journal: journal parameters from the super block " "does not match \nto journal parameters from the journal. You should " "run reiserfsck with --rebuild-sb to check your superblock consistency.\n\n"); return 1; } } return 0; } /* read journal header and make sure that it matches with the filesystem opened */ int reiserfs_open_journal(reiserfs_filsys_t fs, const char *j_filename, int flags) { struct reiserfs_super_block *sb; __u64 count; sb = fs->fs_ondisk_sb; if (!j_filename) { /* if (is_reiserfs_jr_magic_string (sb)) { // create a special file to access journal return 1; } */ j_filename = fs->fs_file_name; } else if (!is_reiserfs_jr_magic_string(sb)) { /* make sure that name specified is a correct name */ if (strcmp(j_filename, fs->fs_file_name)) { reiserfs_warning(stderr, "Filesystem with standard journal found, " "wrong name of specified journal device %s \n", j_filename); return 2; } } fs->fs_journal_dev = open(j_filename, flags #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fs->fs_journal_dev == -1) return -1; asprintf(&fs->fs_j_file_name, "%s", j_filename); if (get_jp_journal_size(sb_jp(sb)) < JOURNAL_MIN_SIZE) { reiserfs_warning(stderr, "Journal of (%lu) block size found on " "specified journal device %s.\nMust be not less than (%lu).\n", get_jp_journal_size(sb_jp(sb)) + 1, j_filename, JOURNAL_MIN_SIZE + 1); close(fs->fs_journal_dev); return 1; } if (!(count = count_blocks(j_filename, fs->fs_blocksize))) { close(fs->fs_journal_dev); return -1; } if (get_jp_journal_1st_block(sb_jp(sb)) + get_jp_journal_size(sb_jp(sb)) + 1 > count) { reiserfs_warning(stderr, "Detected journal on specified device %s " "does not fit to the device.\nStart block (%lu) + " "size (%lu) less than device size (%lu).\n", j_filename, get_jp_journal_1st_block(sb_jp(sb)), get_jp_journal_size(sb_jp(sb)) + 1, count); close(fs->fs_journal_dev); return 1; } /* read journal header */ fs->fs_jh_bh = bread(fs->fs_journal_dev, get_jp_journal_1st_block(sb_jp(sb)) + get_jp_journal_size(sb_jp(sb)), fs->fs_blocksize); if (!fs->fs_jh_bh) { reiserfs_warning(stderr, "reiserfs_open_journal: bread failed " "reading journal header.\n"); close(fs->fs_journal_dev); return -1; } return 0; } /* initialize super block's journal related fields and journal header fields. * If len is 0 - make journal of default size */ int reiserfs_create_journal(reiserfs_filsys_t fs, const char *j_device, /* journal device name */ unsigned long offset, /* journal offset on the j_device */ unsigned long len, /* including journal header */ int transaction_max_size, int force) { struct stat st; struct buffer_head *bh; struct reiserfs_journal_header *jh; struct reiserfs_super_block *sb; unsigned long blocks; sb = fs->fs_ondisk_sb; if (!j_device || !strcmp(j_device, fs->fs_file_name)) { /* Journal is to be on the host device, check the amount space for the * journal on it. */ len = len ? len : journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1; offset = offset ? offset : get_journal_start_must(fs); if (offset < get_journal_start_must(fs)) { reiserfs_warning(stderr, "reiserfs_create_journal: offset is " "%lu, but it cannot be less then %llu on the device %s\n", offset, get_journal_start_must(fs), j_device); return 0; } if (!is_block_count_correct(offset, fs->fs_blocksize, get_sb_block_count(sb), len)) { /* host device does not contain enough blocks */ reiserfs_warning(stderr, "reiserfs_create_journal: cannot create " "a journal of %lu blocks with %lu offset on %u blocks\n", len, offset, get_sb_block_count(sb)); return 0; } j_device = fs->fs_file_name; st.st_rdev = 0; } else { /* journal is to be on separate device */ if (!(blocks = count_blocks(j_device, fs->fs_blocksize))) return 0; if (!len) { /* default size of a journal on a separate device is whole device */ if (blocks < offset) { reiserfs_warning(stderr, "reiserfs_create_journal: offset is " "%lu, blocks on device %lu\n", offset, blocks); return 0; } /* XXX jdm: This can end up being huge and could result * in an unmountable file system: * len = blocks - offset; */ len = journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1; } if (!force && len > journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1) { unsigned long journal_max = journal_max_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize); fflush(stderr); reiserfs_warning(stdout, "\n*** You've specified a journal " "size larger than the default size of " "%lu\n*** blocks. This may slow down " "journal initialization and mounting " "of\n*** the file system.%s", journal_default_size(fs->fs_super_bh-> b_blocknr, fs-> fs_blocksize) + 1, len > journal_max ? " " : "\n"); if (len > journal_max) reiserfs_warning(stdout, "On 32-bit systems, and on " "64-bit systems with\n*** limited " "memory, this may also cause the file " "system to be unmountable.\n*** Please " "consider using a journal size " "<= %lu blocks.\n\nFile system creation " "failed. You may override this behavior " "with the -f option.\n", journal_max); return 0; } if (len < blocks) reiserfs_warning(stdout, "\n\n*** Your journal device is %lu " "blocks, but your journal is only %lu " "blocks.\n*** You may want to consider " "resizing the journal device to avoid " "wasting space.\n\n", blocks, len); if (blocks < offset + len) { reiserfs_warning(stderr, "reiserfs_create_journal: no enough " "blocks on device %lu, needed %lu\n", blocks, offset + len); return 0; } if (stat(j_device, &st) == -1) { reiserfs_warning(stderr, "reiserfs_create_journal: stat %s failed" ": %s\n", j_device, strerror(errno)); return 0; } /* if (!S_ISBLK (st.st_mode)) { reiserfs_warning (stderr, "reiserfs_create_journal: " "%s is not a block device (%x)\n", j_device, st.st_rdev); return 0; } */ } fs->fs_journal_dev = open(j_device, O_RDWR #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fs->fs_journal_dev == -1) { reiserfs_warning(stderr, "reiserfs_create_journal: could not open " "%s: %s\n", j_device, strerror(errno)); return 0; } asprintf(&fs->fs_j_file_name, "%s", j_device); if (len < JOURNAL_MIN_SIZE + 1) { reiserfs_warning(stderr, "WARNING: Journal size (%u) is less, than " "minimal supported journal size (%u).\n", len, JOURNAL_MIN_SIZE + 1); return 0; } /* get journal header */ bh = getblk(fs->fs_journal_dev, offset + len - 1, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "reiserfs_create_journal: getblk failed\n"); return 0; } /* fill journal header */ jh = (struct reiserfs_journal_header *)bh->b_data; set_jp_journal_1st_block(&jh->jh_journal, offset); set_jp_journal_dev(&jh->jh_journal, st.st_rdev); set_jp_journal_magic(&jh->jh_journal, get_random()); set_jp_journal_size(&jh->jh_journal, len - 1); set_jp_journal_max_trans_len(&jh->jh_journal, advise_journal_max_trans_len (transaction_max_size, len - 1, fs->fs_blocksize, 1)); set_jp_journal_max_batch(&jh->jh_journal, advise_journal_max_batch (get_jp_journal_max_trans_len (&jh->jh_journal))); set_jp_journal_max_commit_age(&jh->jh_journal, advise_journal_max_commit_age()); set_jp_journal_max_trans_age(&jh->jh_journal, advise_journal_max_trans_age()); mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); fs->fs_jh_bh = bh; /* make a copy of journal header in the super block */ memcpy(sb_jp(sb), &jh->jh_journal, sizeof(struct journal_params)); mark_buffer_dirty(fs->fs_super_bh); return 1; } /* brelse journal header, flush all dirty buffers, close device, open, read journal header */ void reiserfs_reopen_journal(reiserfs_filsys_t fs, int flag) { unsigned long jh_block; if (!reiserfs_journal_opened(fs)) return; jh_block = fs->fs_jh_bh->b_blocknr; brelse(fs->fs_jh_bh); flush_buffers(fs->fs_journal_dev); invalidate_buffers(fs->fs_journal_dev); if (close(fs->fs_journal_dev)) die("reiserfs_reopen_journal: closed failed: %s", strerror(errno)); fs->fs_journal_dev = open(fs->fs_j_file_name, flag #if defined(O_LARGEFILE) | O_LARGEFILE #endif ); if (fs->fs_journal_dev == -1) die("reiserfs_reopen_journal: could not reopen journal device"); fs->fs_jh_bh = bread(fs->fs_journal_dev, jh_block, fs->fs_blocksize); if (!fs->fs_jh_bh) die("reiserfs_reopen_journal: reading journal header failed"); } int reiserfs_journal_opened(reiserfs_filsys_t fs) { return fs->fs_jh_bh ? 1 : 0; } void reiserfs_flush_journal(reiserfs_filsys_t fs) { if (!reiserfs_journal_opened(fs)) return; flush_buffers(fs->fs_journal_dev); } void reiserfs_free_journal(reiserfs_filsys_t fs) { if (!reiserfs_journal_opened(fs)) return; brelse(fs->fs_jh_bh); fs->fs_jh_bh = NULL; free(fs->fs_j_file_name); fs->fs_j_file_name = NULL; } void reiserfs_close_journal(reiserfs_filsys_t fs) { reiserfs_flush_journal(fs); reiserfs_free_journal(fs); } /* update journal header */ static void update_journal_header(reiserfs_filsys_t fs, struct buffer_head *bh_jh, reiserfs_trans_t *trans) { struct reiserfs_journal_header *j_head; j_head = (struct reiserfs_journal_header *)(bh_jh->b_data); /* update journal header */ set_jh_last_flushed(j_head, trans->trans_id); set_jh_mount_id(j_head, trans->mount_id); set_jh_replay_start_offset(j_head, trans->next_trans_offset); mark_buffer_dirty(bh_jh); bwrite(bh_jh); fsync(fs->fs_journal_dev); } /* fixme: what should be done when not all transactions can be replayed in proper order? */ int reiserfs_replay_journal(reiserfs_filsys_t fs) { struct buffer_head *bh; struct reiserfs_journal_header *j_head; reiserfs_trans_t cur, newest, control; int replayed, ret; struct progbar progbar; int trans_count; if (!reiserfs_journal_opened(fs)) reiserfs_panic("replay_journal: journal is not opened"); if (!is_opened_rw(fs)) reiserfs_panic ("replay_journal: fs is not opened with write perms"); reiserfs_warning(stderr, "Replaying journal: "); bh = fs->fs_jh_bh; j_head = (struct reiserfs_journal_header *)(bh->b_data); control.mount_id = get_jh_mount_id(j_head); control.trans_id = get_jh_last_flushed(j_head); control.desc_blocknr = get_jh_replay_start_offset(j_head); trans_count = get_boundary_transactions(fs, &cur, &newest); if (!trans_count) { reiserfs_warning(stderr, "No transactions found\n"); return 0; } /* Smth strange with journal header or journal. We cannot say for sure what was the last replaied transaction, but relying on JH data is preferable. */ replayed = 0; ret = TRANS_FOUND; progbar_init(&progbar, " trans", stderr); /* Looking to the first valid not replayed transaction. */ while (1) { if (cur.mount_id == control.mount_id && cur.trans_id > control.trans_id) break; if ((ret = next_transaction(fs, &cur, newest)) != TRANS_FOUND) break; } while (ret == TRANS_FOUND) { /* If not the next transaction to be replayed, break out here. */ if ((cur.mount_id != control.mount_id) || (cur.trans_id != control.trans_id + 1 && control.trans_id)) break; if (!transaction_check_content(fs, &cur)) { progbar_clear(&progbar); reiserfs_warning(stderr, "Trans broken: mountid %lu, transid %lu, desc %lu, " "len %lu, commit %lu, next trans offset %lu\n", cur.mount_id, cur.trans_id, cur.desc_blocknr, cur.trans_len, cur.commit_blocknr, cur.next_trans_offset); break; } reiserfs_warning(stderr, "Trans replayed: mountid %lu, transid %lu, desc %lu, " "len %lu, commit %lu, next trans offset %lu\n", cur.mount_id, cur.trans_id, cur.desc_blocknr, cur.trans_len, cur.commit_blocknr, cur.next_trans_offset); replay_one_transaction(fs, &cur); update_journal_header(fs, bh, &cur); control = cur; replayed++; progbar_update(&progbar, "Replaying journal", replayed, trans_count, replayed); ret = next_transaction(fs, &cur, newest); } progbar_clear(&progbar); reiserfs_warning(stderr, "\rReplaying journal: Done.\nReiserfs journal '%s' in blocks [%u..%u]: %d " "transactions replayed\n", fs->fs_j_file_name, get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)), get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)) + get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)) + 1, replayed); mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); update_journal_header(fs, bh, &newest); return 0; } reiserfsprogs-3.6.25/reiserfscore/xattr.c0000644000175000001440000000467712310423334015433 00000000000000#include #include #include #include #include "reiserfs_lib.h" static inline unsigned short from32to16(unsigned int x) { /* add up 16-bit and 16-bit for 16+c bit */ x = (x & 0xffff) + (x >> 16); /* add up carry.. */ x = (x & 0xffff) + (x >> 16); return x; } static unsigned int do_csum(const unsigned char *buff, int len) { int odd; unsigned int result = 0; if (len <= 0) goto out; odd = 1 & (unsigned long) buff; if (odd) { #ifdef __LITTLE_ENDIAN result += (*buff << 8); #else result = *buff; #endif len--; buff++; } if (len >= 2) { if (2 & (unsigned long) buff) { result += *(unsigned short *) buff; len -= 2; buff += 2; } if (len >= 4) { const unsigned char *end = buff + ((unsigned)len & ~3); unsigned int carry = 0; do { unsigned int w = *(unsigned int *) buff; buff += 4; result += carry; result += w; carry = (w > result); } while (buff < end); result += carry; result = (result & 0xffff) + (result >> 16); } if (len & 2) { result += *(unsigned short *) buff; buff += 2; } } if (len & 1) #ifdef __LITTLE_ENDIAN result += *buff; #else result += (*buff << 8); #endif result = from32to16(result); if (odd) result = ((result >> 8) & 0xff) | ((result & 0xff) << 8); out: return result; } __wsum csum_partial(const void *buff, int len, __wsum wsum) { unsigned int sum = (__force unsigned int)wsum; unsigned int result = do_csum(buff, len); /* add in old sum, and carry.. */ result += sum; if (sum > result) result += 1; return (__force __wsum)result; } inline __u32 reiserfs_xattr_hash(const char *msg, int len) { return csum_partial(msg, len, 0); } int reiserfs_check_xattr(const void *body, int len) { const struct reiserfs_xattr_header *xah = body; int hdrsz = sizeof(struct reiserfs_xattr_header); __u32 hash; if (len < hdrsz) return -EINVAL; hash = reiserfs_xattr_hash(body + hdrsz, len - hdrsz); return xah->h_magic == cpu_to_le32(REISERFS_XATTR_MAGIC) && le32_to_cpu(xah->h_hash) == hash; } int reiserfs_acl_count(size_t size) { ssize_t s; size -= sizeof(struct reiserfs_acl_header); s = size - 4 * sizeof(struct reiserfs_acl_entry_short); if (s < 0) { if (size % sizeof(struct reiserfs_acl_entry_short)) return -1; return size / sizeof(struct reiserfs_acl_entry_short); } else { if (s % sizeof(struct reiserfs_acl_entry)) return -1; return s / sizeof(struct reiserfs_acl_entry) + 4; } } reiserfsprogs-3.6.25/reiserfscore/includes.h0000644000175000001440000000061012725332456016101 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include "reiserfs_err.h" #include #include #include #include #include #include #include #include reiserfsprogs-3.6.25/reiserfscore/reiserfs_err.c0000444000175000001440000000275612725335666017001 00000000000000/* * reiserfs_err.c: * This file is automatically generated; please do not edit it. */ #include #define N_(a) a static const char * const text[] = { N_( "bread failed to read block"), N_( "the reiserfs superblock cannot be found"), N_( "a superblock with wrong parameters was found in the block"), N_( "Your partition is not big enough to contain the filesystem"), N_( "not enough blocks on device"), N_( "cannot create a file system that small"), N_( "getblk failed"), 0 }; struct error_table { char const * const * msgs; long base; int n_msgs; }; struct et_list { struct et_list *next; const struct error_table * table; }; extern struct et_list *_et_list; const struct error_table et_reiserfs_error_table = { text, 50094765501195648L, 7 }; static struct et_list link = { 0, 0 }; void initialize_reiserfs_error_table_r(struct et_list **list); void initialize_reiserfs_error_table(void); void initialize_reiserfs_error_table(void) { initialize_reiserfs_error_table_r(&_et_list); } /* For Heimdal compatibility */ void initialize_reiserfs_error_table_r(struct et_list **list) { struct et_list *et, **end; for (end = list, et = *list; et; end = &et->next, et = et->next) if (et->table->msgs == text) return; et = malloc(sizeof(struct et_list)); if (et == 0) { if (!link.table) et = &link; else return; } et->table = &et_reiserfs_error_table; et->next = 0; *end = et; } reiserfsprogs-3.6.25/reiserfscore/reiserfs_err.et0000644000175000001440000000113212725335560017145 00000000000000# reiserfs_err.et - Error codes for reiserfscore # # Copyright (C) 2016 SUSE # error_table reiserfs ec REISERFS_ET_BREAD_FAILED, "bread failed to read block" ec REISERFS_ET_BAD_MAGIC, "the reiserfs superblock cannot be found" ec REISERFS_ET_BAD_SUPER, "a superblock with wrong parameters was found in the block" ec REISERFS_ET_SMALL_PARTITION, "Your partition is not big enough to contain the filesystem" ec REISERFS_ET_NOT_ENOUGH_BLOCKS, "not enough blocks on device" ec REISERFS_ET_TOO_SMALL, "cannot create a file system that small" ec REISERFS_ET_GETBLK_FAILED, "getblk failed" end reiserfsprogs-3.6.25/fsck/0000755000175000001440000000000012725336325012437 500000000000000reiserfsprogs-3.6.25/fsck/Makefile.am0000644000175000001440000000103512270511625014403 00000000000000sbin_PROGRAMS = reiserfsck reiserfsck_SOURCES = main.c pass0.c pass1.c pass2.c semantic_check.c \ semantic_rebuild.c pass4.c lost+found.c ubitmap.c \ uobjectid.c ustree.c ufile.c check_tree.c info.c \ super.c fsck.h man_MANS = reiserfsck.8 EXTRA_DIST = $(man_MANS) reiserfsck_LDADD = $(top_builddir)/reiserfscore/libreiserfscore.la install-exec-hook: $(LN_S) reiserfsck $(DESTDIR)$(sbindir)/fsck.reiserfs $(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man8 $(LN_S) reiserfsck.8 $(DESTDIR)$(mandir)/man8/fsck.reiserfs.8 reiserfsprogs-3.6.25/fsck/Makefile.in0000644000175000001440000005741312725336310014430 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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Normally you only need this option if mount reports "read_super_block: can't find a reiserfs file system" and you are sure that a Reiserfs file system is there. But remember that if you have used some partition editor program and now you cannot find a filesystem, probably something has gone wrong while repartitioning and the start of the partition has been changed. If so, instead of rebuilding the super block on a wrong place you should find the correct start of the partition first. .TP .B --check This default action checks filesystem consistency and reports, but does not repair any corruption that it finds. This option may be used on a read-only file system mount. .TP .B --fix-fixable This option recovers certain kinds of corruption that do not require rebuilding the entire file system tree (\fB--rebuild-tree\fR). Normally you only need this option if the \fB--check\fR option reports "corruption that can be fixed with \fB--fix-fixable\fR". This includes: zeroing invalid data-block pointers, correcting st_size and st_blocks for directories, and deleting invalid directory entries. .TP .B --rebuild-tree This option rebuilds the entire filesystem tree using leaf nodes found on the device. Normally you only need this option if the \fBreiserfsck \-\-check\fR reports "Running with \fB\-\-rebuild-tree\fR is required". You are strongly encouraged to make a backup copy of the whole partition before attempting the \fB--rebuild-tree\fR option. Once \fBreiserfsck \-\-rebuild-tree\fR is started it must finish its work (and you should not interrupt it), otherwise the filesystem will be left in the unmountable state to avoid subsequent data corruptions. .TP .B --clean-attributes This option cleans reserved fields of Stat-Data items. There were days when there were no extended attributes in reiserfs. When they were implemented old partitions needed to be cleaned first -- reiserfs code in the kernel did not care about not used fields in its strutures. Thus if you have used one of the old (pre-attrbutes) kernels with a ReiserFS filesystem and you want to use extented attribues there, you should clean the filesystem first. .TP .B \fB--journal \fIdevice \fR, \fB-j \fIdevice \fR This option supplies the device name of the current file system journal. This option is required when the journal resides on a separate device from the main data device (although it can be avoided with the expert option \fB--no-journal-available\fR). .TP .\" .B --interactive, -i .\" This makes \fBreiserfsck\fR to stop after each pass completed. .\" .TP .B --adjust-size, -z This option causes \fBreiserfsck\fR to correct file sizes that are larger than the offset of the last discovered byte. This implies that holes at the end of a file will be removed. File sizes that are smaller than the offset of the last discovered byte are corrected by \fB--fix-fixable\fR. .TP \fB--badblocks \fIfile\fR, \fB-B \fI file\fR This option sets the badblock list to be the list of blocks specified in the given `file`. The filesystem badblock list is cleared before the new list is added. It can be used with \fB--fix-fixable\fR to fix the list of badblocks (see \fBdebugreiserfs \-B\fR). If the device has bad blocks, every time it must be given with the \fB--rebuild-tree\fR option. .TP \fB--logfile \fIfile\fR, \fB-l \fI file\fR This option causes \fBreiserfsck\fR to report any corruption it finds to the specified log file rather than to stderr. .TP .B --nolog, -n This option prevents \fBreiserfsck\fR from reporting any kinds of corruption. .TP .B --quiet, -q This option prevents \fBreiserfsck\fR from reporting its rate of progress. .TP .B --yes, -y This option inhibits \fBreiserfsck\fR from asking you for confirmation after telling you what it is going to do. It will assuem you confirm. For safety, it does not work with the \fB--rebuild-tree\fR option. .TP \fB-a\fR, \fB-p\fR These options are usually passed by fsck \-A during the automatic checking of those partitions listed in /etc/fstab. These options cause \fBreiserfsck\fR to print some information about the specified filesystem, to check if error flags in the superblock are set and to do some light-weight checks. If these checks reveal a corruption or the flag indicating a (possibly fixable) corruption is found set in the superblock, then \fBreiserfsck\fR switches to the fix-fixable mode. If the flag indicating a fatal corruption is found set in the superblock, then \fBreiserfsck\fR finishes with an error. .TP .B --force, -f Force checking even if the file system seems clean. .TP .B -V This option prints the reiserfsprogs version and then exit. .TP .B -r This option does nothing at all; it is provided only for backwards compatibility. .SH EXPERT OPTIONS DO NOT USE THESE OPTIONS UNLESS YOU KNOW WHAT YOU ARE DOING. WE ARE NOT RESPONSIBLE IF YOU LOSE DATA AS A RESULT OF THESE OPTIONS. .TP .B \fB\--no-journal-available\fR This option allows \fBreiserfsck\fR to proceed when the journal device is not available. This option has no effect when the journal is located on the main data device. NOTE: after this operation you must use \fBreiserfstune\fR to specify a new journal device. .TP .B --scan-whole-partition, -S This option causes \fB--rebuild-tree\fR to scan the whole partition but not only the used space on the partition. .SH AN EXAMPLE OF USING reiserfsck 1. You think something may be wrong with a reiserfs partition on /dev/hda1 or you would just like to perform a periodic disk check. 2. Run \fBreiserfsck \-\-check \-\-logfile check.log /dev/hda1\fR. If \fBreiserfsck \-\-check\fR exits with status 0 it means no errors were discovered. 3. If \fBreiserfsck \-\-check\fR exits with status 1 (and reports about fixable corruptions) it means that you should run \fBreiserfsck \-\-fix-fixable \-\-logfile fixable.log /dev/hda1\fR. 4. If \fBreiserfsck \-\-check\fR exits with status 2 (and reports about fatal corruptions) it means that you need to run \fBreiserfsck \-\-rebuild\-tree\fR. If \fBreiserfsck \-\-check\fR fails in some way you should also run \fBreiserfsck \-\-rebuild-tree\fR, but we also encourage you to submit this as a bug report. 5. Before running \fBreiserfsck \-\-rebuild-tree\fR, please make a backup of the whole partition before proceeding. Then run \fBreiserfsck \-\-rebuild-tree \-\-logfile rebuild.log /dev/hda1\fR. 6. If the \fBreiserfsck \-\-rebuild-tree\fR step fails or does not recover what you expected, please submit this as a bug report. Try to provide as much information as possible including your platform and Linux kernel version. We will try to help solve the problem. .SH EXIT CODES \fBreiserfsck\fR uses the following exit codes: .br \ \fI0\fR \-\ No errors. .br \ \fI1\fR \-\ File system errors corrected. .br \ \fI2\fR \-\ Reboot is needed. .br \ \fI4\fR \-\ File system fatal errors left uncorrected, .br \ \fBreiserfsck \-\-rebuild-tree\fR needs to be launched. .br \ \fI6\fR \-\ File system fixable errors left uncorrected, .br \ \fBreiserfsck \-\-fix-fixable\fR needs to be launched. .br \ \fI8\fR \-\ Operational error. .br \ \fI16\fR \-\ Usage or syntax error. .br .SH AUTHOR This version of \fBreiserfsck\fR has been written by Vitaly Fertman . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages, the logfile; check the syslog file for any related information. .SH TODO Faster recovering, signal handling. .SH SEE ALSO .BR mkreiserfs (8), .BR reiserfstune (8) .BR resize_reiserfs (8), .BR debugreiserfs (8), reiserfsprogs-3.6.25/fsck/main.c0000644000175000001440000011765712725332456013471 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" #include #include #include #include #include extern int screen_width; extern int screen_savebuffer_len; extern char *screen_savebuffer; reiserfs_filsys_t fs; static char *badblocks_file; #define print_usage_and_exit() { \ fsck_progress ("Usage: %s [mode] [options] " \ " device\n" \ "\n" \ "Modes:\n" \ " --check\t\t\tconsistency checking (default)\n" \ " --fix-fixable\t\t\tfix corruptions which can be fixed without \n" \ " \t\t\t\t--rebuild-tree\n" \ " --rebuild-sb\t\t\tsuper block checking and rebuilding if needed\n" \ " \t\t\t\t(may require --rebuild-tree afterwards)\n" \ " --rebuild-tree\t\tforce fsck to rebuild filesystem from scratch\n" \ " \t\t\t\t(takes a long time)\n" \ " --clean-attributes\t\tclean garbage in reserved fields in StatDatas \n" \ "Options:\n" \ " -j | --journal device\t\tspecify journal if relocated\n" \ " -B | --badblocks file\t\tfile with list of all bad blocks on the fs\n" \ " -l | --logfile file\t\tmake fsck to complain to specifed file\n" \ " -n | --nolog\t\t\tmake fsck to not complain\n" \ " -z | --adjust-size\t\tfix file sizes to real size\n" \ " -q | --quiet\t\t\tno speed info\n" \ " -y | --yes\t\t\tno confirmations\n" \ " -f | --force\t\tforce checking even if the file system is marked clean\n"\ " -V\t\t\t\tprints version and exits\n" \ " -a and -p\t\t\tsome light-weight auto checks for bootup\n" \ " -r\t\t\tignored\n" \ "Expert options:\n" \ " --no-journal-available\tdo not open nor replay journal\n" \ " -S | --scan-whole-partition\tbuild tree of all blocks of the device\n\n", \ argv[0]); \ \ exit(EXIT_OK); \ } /* -B works with --fix-fixable fixes indirect pointers pointed to badblocks, adds badblocks to badblock list in fs. and with --rebuild builds the tree without pointers to badblocks (internal, indirect), adds badblocks to badblock list in fs. */ /* Hidden usage: Modes: " --rollback-fsck-changes\n\t\t\trollback all changes made by fsck\n"\ Options: " -b | --scan-marked-in-bitmap file\n"\ " \t\t\tbuild tree of blocks marked in the bitmapfile\n"\ " -R | --rollback-data file\n"\ " \t\t\tback up all changes to this file or rollback from this file\n"\ " \t\t\tpreviously backed up changes with --rollback-fsck-changes\n"\ " -d dumpfile\n"\ " \t\t\tto test fsck pass by pass - dump into dumpfile all needed\n"\ " \t\t\tinfo for the next pass and load on the start of the next pass\n"\ " -i | --interactive\tmake fsck to stop after every stage\n"\ " -h | --hash hashname\n"\ " -g | --background\n"\ " -t \t\tdo test\n"\ */ /* fsck is called with one non-optional argument - file name of device containing reiserfs. This function parses other options, sets flags based on parsing and returns non-optional argument */ static char *parse_options(struct fsck_data *data, int argc, char *argv[]) { int c; static int mode = FSCK_CHECK; static int flag; data->rebuild.scan_area = USED_BLOCKS; while (1) { static struct option options[] = { /* modes */ {"check", no_argument, &mode, FSCK_CHECK}, {"fix-fixable", no_argument, &mode, FSCK_FIX_FIXABLE}, {"rebuild-sb", no_argument, &mode, FSCK_SB}, {"rebuild-tree", no_argument, &mode, FSCK_REBUILD}, {"rollback-fsck-changes", no_argument, &mode, FSCK_ROLLBACK_CHANGES}, {"clean-attributes", no_argument, &mode, FSCK_CLEAN_ATTRIBUTES}, /* options */ {"logfile", required_argument, NULL, 'l'}, {"badblocks", required_argument, NULL, 'B'}, {"interactive", no_argument, NULL, 'i'}, {"adjust-size", no_argument, NULL, 'z'}, {"quiet", no_argument, NULL, 'q'}, {"yes", no_argument, NULL, 'y'}, {"force", no_argument, NULL, 'f'}, {"nolog", no_argument, NULL, 'n'}, /* if file exists ad reiserfs can be load of it - only blocks marked used in that bitmap will be read */ {"scan-marked-in-bitmap", required_argument, NULL, 'b'}, {"create-passes-dump", required_argument, NULL, 'd'}, /* all blocks will be read */ {"scan-whole-partition", no_argument, NULL, 'S'}, /* useful for -S */ {"hash", required_argument, NULL, 'h'}, /* preparing rollback data */ {"rollback-data", required_argument, NULL, 'R'}, {"journal", required_argument, NULL, 'j'}, {"no-journal-available", no_argument, &flag, OPT_SKIP_JOURNAL}, {"bad-block-file", required_argument, NULL, 'B'}, /* start reiserfsck in background and exit */ {"background", no_argument, NULL, 'g'}, {} }; int option_index; c = getopt_long(argc, argv, "iql:nb:Szd:R:h:j:gafVrpyt:B:", options, &option_index); if (c == -1) break; switch (c) { case 0: /* long-only options */ if (flag == OPT_SKIP_JOURNAL) { /* no journal available */ data->options |= OPT_SKIP_JOURNAL; flag = 0; } break; case 'i': /* --interactive */ data->options |= OPT_INTERACTIVE; break; case 'q': /* --quiet */ data->options |= OPT_QUIET; break; case 'y': /* --quiet */ data->options |= OPT_YES; break; case 'l': /* --logfile */ data->log_file_name = optarg; /*asprintf (&data->log_file_name, "%s", optarg); */ data->log = fopen(optarg, "w"); if (!data->log) fprintf(stderr, "reiserfsck: Cannot not open \'%s\': %s", optarg, strerror(errno)); break; case 'n': /* --nolog */ data->options |= OPT_SILENT; break; case 'b': /* --scan-marked-in-bitmap */ /* will try to load a bitmap from a file and read only blocks marked in it. That bitmap could be created by previous run of reiserfsck with -c */ data->rebuild.bitmap_file_name = optarg; /*asprintf (&data->rebuild.bitmap_file_name, "%s", optarg); */ data->rebuild.scan_area = EXTERN_BITMAP; break; case 'S': /* --scan-whole-partition */ data->rebuild.scan_area = ALL_BLOCKS; break; #if 0 case 'J': /* take all blocks which are leaves in journal area and put them into tree item by item (DO NOT USE IT UNTIL YOU KNOW WHAT ARE YOU DOING) */ data->rebuild.use_journal_area = 1; break; #endif case 'd': /* --create-passes-dump */ asprintf(&data->rebuild.passes_dump_file_name, "%s", optarg); data->options |= OPT_SAVE_PASSES_DUMP; break; case 'z': /* --adjust-file-size */ data->options |= OPT_ADJUST_FILE_SIZE; break; case 'h': /* --hash: suppose that this hash was used on a filesystem */ asprintf(&data->rebuild.defined_hash, "%s", optarg); if (name2func(data->rebuild.defined_hash) == NULL) reiserfs_panic ("reiserfsck: Unknown hash is specified: %s", data->rebuild.defined_hash); data->options |= OPT_HASH_DEFINED; break; case 'j': /* specified relocated journal device */ data->journal_dev_name = optarg; break; case 'R': /* preparing rollback data */ asprintf(&data->rebuild.rollback_file, "%s", optarg); data->options |= OPT_SAVE_ROLLBACK; break; case 'B': /* list of phisically corrupted blocks */ asprintf(&badblocks_file, "%s", optarg); data->options |= BADBLOCKS_FILE; break; case 'g': /* --background */ data->options |= OPT_BACKGROUND; break; case 'a': case 'p': data->options |= OPT_QUIET; mode = FSCK_AUTO; break; case 'f': data->options |= OPT_FORCE; break; case 'r': /* ignored */ break; case 'V': /* cause fsck to do nothing */ mode = DO_NOTHING; break; case 't': mode = DO_TEST; data->rebuild.test = atoi(optarg); break; default: print_usage_and_exit(); } } if (optind != argc - 1 && mode != DO_NOTHING) /* only one non-option argument is permitted */ print_usage_and_exit(); if (mode != FSCK_REBUILD && (data->rebuild.scan_area == EXTERN_BITMAP || data->rebuild.scan_area == ALL_BLOCKS || data->options & OPT_SAVE_PASSES_DUMP)) /* wrong options for this mode */ print_usage_and_exit(); /* if (data->options & OPT_ADJUST_FILE_SIZE) { if ((mode != FSCK_REBUILD) && (mode != FSCK_FIX_FIXABLE)) print_usage_and_exit(); } */ if (data->options & OPT_SAVE_ROLLBACK) { if (mode == FSCK_SB) print_usage_and_exit(); } if (mode == FSCK_ROLLBACK_CHANGES) { if ((data->options & OPT_SAVE_ROLLBACK) == 0) print_usage_and_exit(); } if ((data->options & BADBLOCKS_FILE) && mode != FSCK_REBUILD && mode != FSCK_FIX_FIXABLE) { fprintf(stderr, "Badblocks can be specified with --fix-fixable or " "--rebuild-tree only.\n"); print_usage_and_exit(); } if ((mode == FSCK_REBUILD) && (data->options & OPT_YES)) data->options &= ~OPT_YES; data->mode = mode; if (!data->log) data->log = stdout; return argv[optind]; } #define REBUILD_WARNING \ "*************************************************************\n\ ** Do not run the program with --rebuild-tree unless **\n\ ** something is broken and MAKE A BACKUP before using it. **\n\ ** If you have bad sectors on a drive it is usually a bad **\n\ ** idea to continue using it. Then you probably should get **\n\ ** a working hard drive, copy the file system from the bad **\n\ ** drive to the good one -- dd_rescue is a good tool for **\n\ ** that -- and only then run this program. **\n\ *************************************************************\n\ \nWill rebuild the filesystem (%s) tree\n" static void warn_what_will_be_done(char *file_name, struct fsck_data *data) { FILE *warn_to; warn_to = (data->progress ? data->progress : stderr); if (data->mode == FSCK_REBUILD) reiserfs_warning(warn_to, REBUILD_WARNING, file_name); /* warn about fsck mode */ switch (data->mode) { case FSCK_CHECK: reiserfs_warning(warn_to, "Will read-only check consistency of the " "filesystem on %s\n", file_name); break; case FSCK_FIX_FIXABLE: reiserfs_warning(warn_to, "Will check consistency of the filesystem " "on %s\n", file_name); reiserfs_warning(warn_to, "and will fix what can be fixed without " "--rebuild-tree\n"); break; case FSCK_SB: reiserfs_warning(warn_to, "Will check superblock and rebuild it if " "needed\n"); break; case FSCK_REBUILD: if (data->options & OPT_SAVE_PASSES_DUMP) { reiserfs_warning(warn_to, "Will run only 1 step of the rebuilding, " "write state file '%s' and exit\n", data->rebuild.passes_dump_file_name); } else if (data->options & OPT_INTERACTIVE) reiserfs_warning(warn_to, "Will stop after every stage and ask for " "confirmation before continuing\n"); if (data->rebuild.bitmap_file_name) reiserfs_warning(warn_to, "Will try to load a bitmap--of all " "ReiserFS leaves in the partition--from the file \n'%s'\n", data->rebuild.bitmap_file_name); if (data->options & OPT_ADJUST_FILE_SIZE) reiserfs_warning(warn_to, "\tWill set file sizes in their metadata " "to real file sizes actually found by fsck.\n"); if (data->options & OPT_HASH_DEFINED) reiserfs_warning(warn_to, "\tSuppose \"%s\" hash is in use\n", data->rebuild.defined_hash); break; case FSCK_ROLLBACK_CHANGES: reiserfs_warning(warn_to, "Will rollback all data saved in %s into %s\n", data->rebuild.rollback_file, file_name); break; case FSCK_CLEAN_ATTRIBUTES: reiserfs_warning(warn_to, "Will clean file attributes on %s\n", file_name); break; case FSCK_AUTO: return; } if (data->options & OPT_SAVE_ROLLBACK && data->mode != FSCK_ROLLBACK_CHANGES) reiserfs_warning(warn_to, "Will save all blocks to be changed into " "file '%s'\n", data->rebuild.rollback_file); if (data->options & BADBLOCKS_FILE) reiserfs_warning(warn_to, "Bad block list will contain only blocks specified in '%s' " "file\n", badblocks_file); reiserfs_warning(warn_to, "Will put log info to '%s'\n", (data->log == stdout) ? "stdout" : (data->log_file_name ? data-> log_file_name : "fsck.run")); if (!(data->options & OPT_YES) && !(data->options & OPT_SILENT) && !user_confirmed(warn_to, "\nDo you want to run this program?[N/Yes] " "(note need to type Yes if you do):", "Yes\n")) exit(EXIT_USER); } static dma_info_t dma_info; static dma_info_t old_dma_info; static void check_dma(int sig) { old_dma_info = dma_info; if (get_dma_info(&dma_info) == -1) { fsck_log("get_dma_info failed %s\n", strerror(errno)); return; } if (dma_info.dma != old_dma_info.dma) { if (dma_info.dma == 0) { printf ("\n********************************************************************\n"); printf ("* Warning: It was just detected that dma mode was turned off while *\n"); printf ("* operating -- probably due to some problem with your hardware. *\n"); printf ("* Please check your hardware and have a look into the syslog file. *\n"); printf ("* Note: running with --rebuild-tree on faulty hardware may destroy *\n"); printf ("* your data. *\n"); printf ("********************************************************************\n"); if (fsck_log_file(fs) != stdout) fsck_log ("WARNING: dma mode has been turned off.\n"); } } if (dma_info.speed != old_dma_info.speed) { if (dma_info.speed < old_dma_info.speed) { printf ("\n********************************************************************\n"); printf ("* Warning: It was just detected that dma speed was descreased while*\n"); printf ("* operating -- probably due to some problem with your hardware. *\n"); printf ("* Please check your hardware and have a look into the syslog file. *\n"); printf ("* Note: running with --rebuild-tree on faulty hardware may destroy *\n"); printf ("* your data. *\n"); printf ("********************************************************************\n"); if (fsck_log_file(fs) != stdout) fsck_log ("WARNING: dma speed has been descreased.\n"); } } alarm(1); } static void register_timer(void) { memset(&dma_info, 0, sizeof(dma_info)); memset(&old_dma_info, 0, sizeof(old_dma_info)); dma_info.fd = fs->fs_dev; if (prepare_dma_check(&dma_info) != 0) return; if (get_dma_info(&dma_info) == -1) { fsck_log("get_dma_info failed %s\n", strerror(errno)); return; } if (dma_info.dma == 0) { printf ("\n******************************************************\n"); printf ("* Warning: The dma on your hard drive is turned off. *\n"); printf ("* This may really slow down the fsck process. *\n"); printf ("******************************************************\n"); if (fsck_log_file(fs) != stdout) fsck_log("WARNING: DMA is turned off\n"); } signal(SIGALRM, check_dma); alarm(1); } static void reset_super_block(reiserfs_filsys_t fs) { struct reiserfs_super_block *sb; struct reiserfs_journal_header *jh; sb = fs->fs_ondisk_sb; set_sb_free_blocks(sb, get_sb_block_count(sb)); set_sb_root_block(sb, 0); set_sb_tree_height(sb, ~0); /* make file system invalid unless fsck finished () */ set_sb_fs_state(sb, get_sb_fs_state(sb) | FS_FATAL); /* if ( is_reiser2fs_jr_magic_string (sb) ) {??? set_sb_version (sb, REISERFS_VERSION_3); } if (is_reiser2fs_magic_string (sb)) { set_sb_version (sb, REISERFS_FORMAT_3_6); } if (is_reiserfs_magic_string (sb)) { set_sb_version (sb, REISERFS_FORMAT_3_5); } */ /* make sure that hash code in super block match to set hash function */ set_sb_hash_code(sb, func2code(fs->fs_hash_function)); if (fsck_hash_defined(fs)) { /* --hash was specifed */ fs->fs_hash_function = name2func(fsck_data(fs)->rebuild.defined_hash); set_sb_hash_code(sb, func2code(fs->fs_hash_function)); } if (reiserfs_journal_opened(fs)) { jh = (struct reiserfs_journal_header *)fs->fs_jh_bh->b_data; /* reset journal params if needed. */ if (memcmp (sb_jp(sb), &jh->jh_journal, sizeof(struct journal_params))) { if (is_reiserfs_jr_magic_string(sb)) memcpy(sb_jp(sb), &jh->jh_journal, sizeof(struct journal_params)); else { set_sb_reserved_for_journal(sb, 0); set_jp_journal_dev(sb_jp(sb), 0); set_jp_journal_magic(sb_jp(sb), get_random()); set_jp_journal_1st_block(sb_jp(sb), get_journal_start_must (fs)); set_jp_journal_size(sb_jp(sb), journal_default_size(fs-> fs_super_bh-> b_blocknr, fs-> fs_blocksize)); set_jp_journal_max_trans_len(sb_jp(sb), advise_journal_max_trans_len (get_jp_journal_max_trans_len (sb_jp(sb)), get_jp_journal_size (sb_jp(sb)), fs->fs_blocksize, 0)); set_jp_journal_max_batch(sb_jp(sb), advise_journal_max_batch (get_jp_journal_max_trans_len (sb_jp(sb)))); set_jp_journal_max_commit_age(sb_jp(sb), advise_journal_max_commit_age ()); set_jp_journal_max_trans_age(sb_jp(sb), advise_journal_max_trans_age ()); set_jp_journal_dev(&jh->jh_journal, 0); set_jp_journal_magic(&jh->jh_journal, get_jp_journal_magic(sb_jp (sb))); set_jp_journal_1st_block(&jh->jh_journal, get_jp_journal_1st_block (sb_jp(sb))); set_jp_journal_size(&jh->jh_journal, get_jp_journal_size(sb_jp (sb))); set_jp_journal_max_trans_len(&jh->jh_journal, get_jp_journal_max_trans_len (sb_jp(sb))); set_jp_journal_max_batch(&jh->jh_journal, get_jp_journal_max_batch (sb_jp(sb))); set_jp_journal_max_commit_age(&jh->jh_journal, get_jp_journal_max_commit_age (sb_jp(sb))); set_jp_journal_max_trans_age(&jh->jh_journal, get_jp_journal_max_trans_age (sb_jp(sb))); } } } /* objectid map is not touched */ mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); if (!(fsck_data(fs)->options & OPT_SAVE_PASSES_DUMP)) mark_buffer_do_not_flush(fs->fs_super_bh); } #define START_FROM_THE_BEGINNING 1 #define START_FROM_PASS_1 2 #define START_FROM_PASS_2 3 #define START_FROM_SEMANTIC 4 #define START_FROM_LOST_FOUND 5 #define START_FROM_PASS_4 6 /* this decides where to start from */ static int where_to_start_from(reiserfs_filsys_t fs) { int ret; FILE *fp = NULL; int last_run_state; last_run_state = get_sb_fs_state(fs->fs_ondisk_sb); if (last_run_state == 0 || !fsck_run_one_step(fs)) /**/ return START_FROM_THE_BEGINNING; /* We are able to perform the next step only if there is a file with the previous * step results. */ fp = open_file(state_dump_file(fs), "r"); if (fp == NULL) { set_sb_fs_state(fs->fs_ondisk_sb, 0); return START_FROM_THE_BEGINNING; } /* check start and end magics of dump file */ ret = is_stage_magic_correct(fp); if (ret <= 0 || ret != last_run_state) return START_FROM_THE_BEGINNING; switch (last_run_state) { case PASS_0_DONE: /* skip pass 0 */ if (!fsck_user_confirmed (fs, "Pass 0 seems finished. Start from pass 1?(Yes)", "Yes\n", 1)) fsck_exit("Run without -d then\n"); load_pass_0_result(fp, fs); fclose(fp); return START_FROM_PASS_1; case PASS_1_DONE: /* skip pass 1 */ if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from " "pass 2?(Yes)", "Yes\n", 1)) { fsck_exit("Run without -d then\n"); } load_pass_1_result(fp, fs); fclose(fp); return START_FROM_PASS_2; case TREE_IS_BUILT: if (!fsck_user_confirmed (fs, "Internal tree of filesystem looks built. " "Skip rebuilding?(Yes)", "Yes\n", 1)) { fsck_exit("Run without -d then\n"); } load_pass_2_result(fs); fclose(fp); return START_FROM_SEMANTIC; case SEMANTIC_DONE: if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from " "pass 2?(Yes)", "Yes\n", 1)) { fsck_exit("Run without -d then\n"); } load_semantic_result(fp, fs); fclose(fp); return START_FROM_LOST_FOUND; case LOST_FOUND_DONE: if (!fsck_user_confirmed (fs, "Passes 0 and 1 seems finished. Start from " "pass 2?(Yes)", "Yes\n", 1)) { fsck_exit("Run without -d then\n"); } load_lost_found_result(fs); fclose(fp); return START_FROM_PASS_4; } return START_FROM_THE_BEGINNING; } static void reiserfs_update_interval_fields(reiserfs_filsys_t fs) { /* Not supported on v3.5 */ if (get_sb_version(fs->fs_ondisk_sb) == REISERFS_FORMAT_3_5) return; set_sb_v2_lastcheck(fs->fs_ondisk_sb, time(NULL)); set_sb_v2_mnt_count(fs->fs_ondisk_sb, 1); if (get_sb_v2_max_mnt_count(fs->fs_ondisk_sb) == 0) set_sb_v2_max_mnt_count(fs->fs_ondisk_sb, DEFAULT_MAX_MNT_COUNT); if (get_sb_v2_check_interval(fs->fs_ondisk_sb) == 0) set_sb_v2_check_interval(fs->fs_ondisk_sb, DEFAULT_CHECK_INTERVAL); } static void mark_filesystem_consistent(reiserfs_filsys_t fs) { if (!is_opened_rw(fs)) return; if (!reiserfs_journal_opened(fs)) { /* make sure journal is not standard */ if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) reiserfs_exit(EXIT_OPER, "Filesystem with default journal " "must be opened."); fsck_progress ("WARNING: You must use reiserfstune to specify a new " "journal before mounting it.\n"); /* mark filesystem such that it is not mountable until * new journaldevice is defined */ set_jp_journal_magic(sb_jp(fs->fs_ondisk_sb), NEED_TUNE); } set_sb_umount_state(fs->fs_ondisk_sb, FS_CLEANLY_UMOUNTED); set_sb_fs_state(fs->fs_ondisk_sb, FS_CONSISTENT); reiserfs_update_interval_fields(fs); mark_buffer_dirty(fs->fs_super_bh); } static void reiserfsck_replay_journal(reiserfs_filsys_t fs) { struct reiserfs_super_block *on_place_sb; int sb_size = reiserfs_super_block_size(fs->fs_ondisk_sb); /* keep the super_block in the separate memory to avoid problems with replaying * broken parameters. */ on_place_sb = (struct reiserfs_super_block *)fs->fs_super_bh->b_data; fs->fs_ondisk_sb = getmem(sb_size); memcpy(fs->fs_ondisk_sb, on_place_sb, sb_size); reiserfs_replay_journal(fs); /* Copy checked reliable sb fields from backed up sb to a new one. */ set_sb_block_count(on_place_sb, get_sb_block_count(fs->fs_ondisk_sb)); memcpy(sb_jp(on_place_sb), sb_jp(fs->fs_ondisk_sb), sizeof(struct journal_params)); set_sb_block_size(on_place_sb, get_sb_block_size(fs->fs_ondisk_sb)); set_sb_oid_maxsize(on_place_sb, get_sb_oid_maxsize(fs->fs_ondisk_sb)); memcpy(on_place_sb->s_v1.s_magic, fs->fs_ondisk_sb->s_v1.s_magic, 10); set_sb_hash_code(on_place_sb, get_sb_hash_code(fs->fs_ondisk_sb)); set_sb_bmap_nr(on_place_sb, get_sb_bmap_nr(fs->fs_ondisk_sb)); set_sb_version(on_place_sb, get_sb_version(fs->fs_ondisk_sb)); set_sb_reserved_for_journal(on_place_sb, get_sb_reserved_for_journal(fs-> fs_ondisk_sb)); if (sb_size == SB_SIZE) { set_sb_v2_flags(on_place_sb, get_sb_v2_flags(fs->fs_ondisk_sb)); memcpy(on_place_sb->s_uuid, fs->fs_ondisk_sb->s_uuid, 16); memcpy(on_place_sb->s_label, fs->fs_ondisk_sb->s_label, 16); } /* get rid of SB copy */ freemem(fs->fs_ondisk_sb); fs->fs_ondisk_sb = on_place_sb; } static int the_end(reiserfs_filsys_t fs) { int ret = EXIT_FIXED; /* put bitmap and objectid map on place */ reiserfs_delete_bitmap(fs->fs_bitmap2); fs->fs_bitmap2 = fsck_new_bitmap(fs); if (!fs->fs_bitmap2->bm_dirty) die("Bitmap not dirty"); // id_map_flush(proper_id_map (fs), fs); id_map_flush(semantic_id_map(fs), fs); id_map_free(proper_id_map(fs)); id_map_free(semantic_id_map(fs)); /* set_sb_free_blocks (sb, reiserfs_bitmap_zeros (fsck_new_bitmap (fs)));*/ mark_filesystem_consistent(fs); clear_buffer_do_not_flush(fs->fs_super_bh); if (fsck_data(fs)->mounted == MF_RO) { reiserfs_warning(stderr, "\nThe partition is mounted ro. It " "is better to umount and mount it again.\n\n"); ret = EXIT_REBOOT; } /* write all dirty blocks */ fsck_progress("Syncing.."); fs->fs_dirt = 1; clean_after_dma_check(fs->fs_dev, &dma_info); fsck_progress("finished\n"); reiserfs_close(fs); return ret; } /* check umounted or read-only mounted filesystems only */ static void prepare_fs_for_check(reiserfs_filsys_t fs) { /* The method could be called from auto_check already. */ if (fs->fs_flags == O_RDWR) return; reiserfs_reopen(fs, O_RDWR); fsck_data(fs)->mounted = misc_device_mounted(fs->fs_file_name); if (fsck_data(fs)->mounted > 0) { if (fsck_data(fs)->mounted == MF_RW) { fsck_progress ("Partition %s is mounted with write permissions, " "cannot check it\n", fs->fs_file_name); reiserfs_close(fs); exit(EXIT_USER); } /* If not CHECK mode, lock the process in the memory. */ if (fsck_mode(fs) != FSCK_CHECK) { if (mlockall(MCL_CURRENT)) { reiserfs_exit(EXIT_OPER, "Failed to lock the process to " "fsck the mounted ro partition. %s.\n", strerror(errno)); } } if (fsck_skip_journal(fs)) { reiserfs_exit(EXIT_USER, "Jounrnal of the mounted " "filesystem must be specified.\n"); } if (!reiserfs_journal_opened(fs)) { /* just to make sure */ reiserfs_panic("Journal is not opened"); } else if (reiserfs_journal_params_check(fs)) { reiserfs_close(fs); exit(EXIT_FATAL); } fsck_progress ("Filesystem seems mounted read-only. Skipping journal " "replay.\n"); } else if (!fsck_skip_journal(fs)) { if (reiserfs_journal_params_check(fs)) { reiserfs_close(fs); exit(EXIT_FATAL); } /* filesystem is not mounted, replay journal before checking */ reiserfsck_replay_journal(fs); } } static void rebuild_tree(reiserfs_filsys_t fs) { time_t t; int ret; init_rollback_file(state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); prepare_fs_for_check(fs); ret = reiserfs_open_ondisk_bitmap(fs); if (ret < 0) { fsck_progress("reiserfsck: Could not open bitmap\n"); reiserfs_close(fs); exit(EXIT_OPER); } else if (ret > 0) { fsck_log ("Zero bit found in on-disk bitmap after the last valid bit. " "Fixed.\n"); } time(&t); fsck_progress("###########\n" "reiserfsck --rebuild-tree started at %s" "###########\n", ctime(&t)); switch (where_to_start_from(fs)) { case START_FROM_THE_BEGINNING: reset_super_block(fs); pass_0(fs); case START_FROM_PASS_1: reset_super_block(fs); pass_1(fs); case START_FROM_PASS_2: pass_2(fs); case START_FROM_SEMANTIC: pass_3_semantic(fs); /* if --lost+found is set - link unaccessed directories to lost+found directory */ case START_FROM_LOST_FOUND: pass_3a_look_for_lost(fs); case START_FROM_PASS_4: /* 4. look for unaccessed items in the leaves */ pass_4_check_unaccessed_items(); ret = the_end(fs); } close_rollback_file(); time(&t); fsck_progress("###########\n" "reiserfsck finished at %s" "###########\n", ctime(&t)); exit(ret); } static void clean_attributes(reiserfs_filsys_t fs) { time_t t; time(&t); if (get_sb_umount_state(fs->fs_ondisk_sb) != FS_CLEANLY_UMOUNTED) { fsck_progress("Filesystem is not clean\n" "Check consistency of the partition first.\n"); exit(EXIT_USER); } if (get_sb_fs_state(fs->fs_ondisk_sb) != FS_CONSISTENT) { fsck_progress("Filesystem seems to be in unconsistent state.\n" "Check consistency of the partition first.\n"); exit(EXIT_USER); } if (get_reiserfs_format(fs->fs_ondisk_sb) != REISERFS_FORMAT_3_6) { fsck_progress ("Filesystems of 3_5 format do not support extended " "attributes.\n"); exit(EXIT_USER); } fsck_progress("###########\n" "reiserfsck --clean-attributes started at %s" "###########\n", ctime(&t)); init_rollback_file(state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); prepare_fs_for_check(fs); do_clean_attributes(fs); clean_after_dma_check(fs->fs_dev, &dma_info); fsck_progress("###########\n" "reiserfsck finished at %s" "###########\n", ctime(&t)); reiserfs_close(fs); close_rollback_file(); exit(EXIT_FIXED); } static int reiserfs_check_auto_state(reiserfs_filsys_t fs) { time_t now = time(NULL); time_t lastcheck = get_sb_v2_lastcheck(fs->fs_ondisk_sb); unsigned int mnt_count = get_sb_v2_mnt_count(fs->fs_ondisk_sb); unsigned int max_mnt_count = get_sb_v2_max_mnt_count(fs->fs_ondisk_sb); unsigned int interval = get_sb_v2_check_interval(fs->fs_ondisk_sb); /* v3.5 file systems don't have the superblock fields for this */ if (get_sb_version(fs->fs_ondisk_sb) == REISERFS_FORMAT_3_5) return 1; if (lastcheck == 0 || mnt_count == 0 || max_mnt_count == 0 || interval == 0) { fprintf(stderr, "File system hasn't been enabled for faster " "boot-time checking. It will be enabled after a " "successful run.\n"); return 1; } if (interval != UINT_MAX && now > lastcheck + interval) { fprintf(stderr, "File system hasn't been checked in %lu days. " "Checking now.\n", (now - lastcheck) / (60 * 60 * 24)); return 1; } if (interval != UINT_MAX && lastcheck > now) { fprintf(stderr, "File system check timestamp is in the future. " "Checking now.\n"); return 1; } if (mnt_count > max_mnt_count && max_mnt_count != USHRT_MAX) { fprintf(stderr, "File system has been mounted %u times " "without being checked. Checking now.\n", mnt_count); return 1; } return 0; } static int auto_check(reiserfs_filsys_t fs) { __u16 state; int retval = 0; int force = fsck_data(fs)->options & OPT_FORCE; print_super_block(stdout, fs, fs->fs_file_name, fs->fs_super_bh, 1); state = get_sb_fs_state(fs->fs_ondisk_sb); if ((state & FS_FATAL) == FS_FATAL) { fprintf(stderr, "Filesystem seems to have fatal corruptions. Running " "with --rebuild-tree is required.\n"); goto error; } if ((state & FS_ERROR) == FS_ERROR) { fprintf(stderr, "Some corruptions on the filesystem were detected. Switching to " "the --fix-fixable mode.\n"); /* run fixable pass. */ return 0; } if (state != FS_CONSISTENT) fprintf(stderr, "Some strange state was specified in the super block. " "Do usual check.\n"); if (get_sb_umount_state(fs->fs_ondisk_sb) == FS_CLEANLY_UMOUNTED && !force && !reiserfs_check_auto_state(fs)) exit(EXIT_OK); prepare_fs_for_check(fs); if (!force && !reiserfs_check_auto_state(fs)) exit(EXIT_OK); /* Check bitmaps. */ retval = reiserfs_open_ondisk_bitmap(fs); if (retval > 0) { fsck_log ("Zero bit found in on-disk bitmap after the last valid bit. " "Switching to --fix-fixable mode.\n"); /* run fixable pass. */ return 0; } else if (retval < 0) { fsck_progress("reiserfsck: Could not open bitmap\n"); goto error; } if (get_sb_block_count(fs->fs_ondisk_sb) - get_sb_free_blocks(fs->fs_ondisk_sb) != fs->fs_bitmap2->bm_set_bits) { fsck_log ("Wrong amount of used blocks. Switching to the --fix-fixable mode.\n"); /* run fixable pass. */ return 0; } check_fs_tree(fs); if (fsck_data(fs)->check.fatal_corruptions) { fprintf(stderr, "%lu fatal corruption(s) found in the root block. Running " "with the --rebuild-tree is required.\n", fsck_data(fs)->check.fatal_corruptions); goto fatal_error; } else if (fsck_data(fs)->check.fixable_corruptions) { /* seems that this cannot happen. */ fprintf(stderr, "%lu fixable corruption(s) found. Switching to " "the --fix-fixable mode.\n", fsck_data(fs)->check.fixable_corruptions); fsck_data(fs)->check.fixable_corruptions = 0; /* run fixable pass. */ return 0; } reiserfs_update_interval_fields(fs); mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); fs->fs_dirt = 1; clean_after_dma_check(fs->fs_dev, &dma_info); reiserfs_close(fs); /* do not do anything else. */ exit(EXIT_OK); fatal_error: set_sb_fs_state(fs->fs_ondisk_sb, FS_FATAL); mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); error: clean_after_dma_check(fs->fs_dev, &dma_info); reiserfs_close(fs); exit(EXIT_FATAL); } /* check umounted or read-only mounted filesystems only */ static void check_fs(reiserfs_filsys_t fs) { int retval = EXIT_OK; time_t t; time(&t); if (fsck_mode(fs) != FSCK_FIX_FIXABLE) { fsck_progress("###########\n" "reiserfsck --check started at %s" "###########\n", ctime(&t)); } else { fsck_progress("###########\n" "reiserfsck --fix-fixable started at %s" "###########\n", ctime(&t)); } init_rollback_file(state_rollback_file(fs), &fs->fs_blocksize, fsck_data(fs)->log); prepare_fs_for_check(fs); if (!fs->fs_bitmap2) /* It could be done on auto_check already. */ retval = reiserfs_open_ondisk_bitmap(fs); if (retval > 0) { if (fsck_mode(fs) != FSCK_FIX_FIXABLE) { fsck_log ("Zero bit found in on-disk bitmap after the last valid " "bit.\n"); one_more_corruption(fs, FIXABLE); } else { fsck_log ("Zero bit found in on-disk bitmap after the last valid " "bit. Fixed.\n"); } } else if (retval < 0) { fsck_progress("reiserfsck: Could not open bitmap\n"); reiserfs_close(fs); exit(EXIT_OPER); } check_fs_tree(fs); semantic_check(); if (fsck_data(fs)->check.fatal_corruptions) { fsck_progress ("%lu found corruptions can be fixed only when running with " "--rebuild-tree\n", fsck_data(fs)->check.fatal_corruptions); set_sb_fs_state(fs->fs_ondisk_sb, FS_FATAL); mark_buffer_dirty(fs->fs_super_bh); retval = EXIT_FATAL; } else if (fsck_data(fs)->check.fixable_corruptions) { /* fixable corruptions found */ if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { /* fixable corruptions found and fix-fixable has not fixed them, * do rebuild-tree */ fsck_progress ("Fatal error: %lu fixable corruptions found after " "--fix-fixable.\n", fsck_data(fs)->check.fixable_corruptions); retval = EXIT_OPER; } else { fsck_progress ("%lu found corruptions can be fixed when running with " "--fix-fixable\n", fsck_data(fs)->check.fixable_corruptions); retval = EXIT_FIXABLE; } set_sb_fs_state(fs->fs_ondisk_sb, FS_ERROR); mark_buffer_dirty(fs->fs_super_bh); } else { fsck_progress("No corruptions found\n"); stage_report(5, fs); if (fsck_mode(fs) != FSCK_CHECK) { if (misc_device_mounted(fs->fs_file_name) == MF_RO) { reiserfs_warning(stderr, "\nThe partition is mounted ro. It is better " "to umount and mount it again.\n\n"); retval = EXIT_REBOOT; } else retval = EXIT_FIXED; } else retval = EXIT_OK; mark_filesystem_consistent(fs); } if (fsck_mode(fs) == FSCK_FIX_FIXABLE && !fsck_data(fs)->check.fatal_corruptions) id_map_flush(proper_id_map(fs), fs); id_map_free(proper_id_map(fs)); clean_after_dma_check(fs->fs_dev, &dma_info); //clear_relocated_list(); time(&t); fsck_progress("###########\n" "reiserfsck finished at %s" "###########\n", ctime(&t)); reiserfs_close(fs); close_rollback_file(); exit(retval); } static int open_devices_for_rollback(char *file_name, struct fsck_data *data) { int fd; fd = open(file_name, O_RDWR | O_LARGEFILE); if (fd == -1) { reiserfs_warning(stderr, "reiserfsck: Cannot not open the fs " "partition %s\n", file_name); return -1; } fs = getmem(sizeof(*fs)); fs->fs_dev = fd; fs->fs_vp = data; asprintf(&fs->fs_file_name, "%s", file_name); if (data->journal_dev_name && strcmp(data->journal_dev_name, file_name)) { fs->fs_journal_dev = open(data->journal_dev_name, O_RDWR | O_LARGEFILE); if (fs->fs_journal_dev == -1) { reiserfs_warning(stderr, "Cannot open journal partition\n"); return -1; } } if (open_rollback_file(state_rollback_file(fs), fsck_data(fs)->log)) return -1; return 0; } static void fsck_rollback(reiserfs_filsys_t fs) { time_t t; time(&t); fsck_progress("###########\n" "reiserfsck --rollback-fsck-changes started at %s" "###########\n", ctime(&t)); do_fsck_rollback(fs->fs_dev, fs->fs_journal_dev, fsck_progress_file(fs)); close_rollback_file(); close(fs->fs_journal_dev); free(fs->fs_file_name); fs->fs_file_name = NULL; close(fs->fs_dev); freemem(fs); time(&t); fsck_progress("###########\n" "reiserfsck finished at %s" "###########\n", ctime(&t)); exit(EXIT_FIXED); } int main(int argc, char *argv[]) { char *file_name; struct fsck_data *data; struct rlimit rlim = { RLIM_INFINITY, RLIM_INFINITY }; char *width; int retval; long error; width = getenv("COLUMNS"); if (width) screen_width = atoi(width); if (screen_width == 0) screen_width = 80; // We default to 80 characters wide screen screen_width--; screen_savebuffer_len = screen_width; screen_savebuffer = getmem(screen_width + 1); memset(screen_savebuffer, 0, screen_savebuffer_len + 1); /* this is only needed (and works) when running under 2.4 on regular files */ if (setrlimit(RLIMIT_FSIZE, &rlim) == -1) { reiserfs_warning(stderr, "Cannot change the system limit for file size " "with setrlimit: %s\n", strerror(errno)); } data = getmem(sizeof(struct fsck_data)); file_name = parse_options(data, argc, argv); if (data->mode != FSCK_AUTO) print_banner("reiserfsck"); if (data->mode == DO_NOTHING) { freemem(data); exit(EXIT_OK); } if (data->options & OPT_BACKGROUND) { /* running in background reiserfsck appends progress information into 'fsck.run'. Logs get there if log file was not specified */ data->options |= OPT_QUIET; data->progress = fopen("fsck.run", "a+"); if (!data->progress) { reiserfs_exit(EXIT_OPER, "reiserfsck: Cannot not open \"fsck.run\""); } if (data->log == stdout) /* no log file specifed - redirect log into 'fsck.run' */ data->log = data->progress; retval = fork(); if (retval == -1) { reiserfs_panic("reiserfsck: Fork failed: %s", strerror(errno)); } else if (retval != 0) { exit(EXIT_OPER); } reiserfs_warning(stderr, "\nReiserfsck is running in background as " "[%d],\nmake sure that it gets all the confirmations from stdin " "that it requests.\n\n", getpid()); } /* This asks for confirmation also. */ if (data->mode != FSCK_AUTO) warn_what_will_be_done(file_name, data); if (data->mode == FSCK_ROLLBACK_CHANGES) { if (open_devices_for_rollback(file_name, data) == -1) exit(EXIT_OPER); } else { fs = reiserfs_open(file_name, O_RDONLY, &error, data, data->mode != FSCK_SB); if (error) { reiserfs_exit(EXIT_OPER, "Failed to open the device " "'%s': %s\n\n", file_name, error_message(error)); } if (data->mode != FSCK_SB) { if (no_reiserfs_found(fs)) { reiserfs_exit(EXIT_OPER, "Failed to open the filesystem.\n\n" "If the partition table has not been changed, " "and the partition is\nvalid and it really " "contains a reiserfs partition, then the\n" "superblock is corrupted and you need to run " "this utility with\n--rebuild-sb.\n"); } if (fsck_skip_journal(fs) && !is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) { reiserfs_warning(stderr, "Filesystem with default journal found, " "--no-journal-available is ignored\n"); fsck_data(fs)->options &= ~OPT_SKIP_JOURNAL; } if (!fsck_skip_journal(fs)) { retval = reiserfs_open_journal(fs, data-> journal_dev_name, O_RDONLY); if (retval) { fsck_progress ("Failed to open the journal device (%s).\n", data->journal_dev_name); if (retval == 1) { fsck_progress ("Run --rebuild-sb to rebuild journal parameters.\n"); } reiserfs_close(fs); exit(EXIT_OPER); } } if (data->options & BADBLOCKS_FILE) { if (create_badblock_bitmap(fs, badblocks_file) != 0) exit(EXIT_OPER); } register_timer(); } } switch (data->mode) { case FSCK_SB: rebuild_sb(fs, file_name, data); break; case FSCK_AUTO: /* perform some light-weight checks. If error, do fixable job. */ if (auto_check(fs)) break; data->mode = FSCK_FIX_FIXABLE; case FSCK_CHECK: case FSCK_FIX_FIXABLE: check_fs(fs); break; case FSCK_REBUILD: case DO_TEST: rebuild_tree(fs); break; case FSCK_ROLLBACK_CHANGES: fsck_rollback(fs); break; case FSCK_CLEAN_ATTRIBUTES: clean_attributes(fs); } exit(EXIT_OPER); } reiserfsprogs-3.6.25/fsck/pass0.c0000644000175000001440000020225312310423334013540 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" /* * Pass0 scans the used part of the partition. It creates two maps which will * be used on the pass 1. These are a map of nodes looking like leaves and * a map of "bad" unformatted nodes. After pass 0 we can detect unformatted * node pointers pointing to leaves. */ /* leaves */ reiserfs_bitmap_t *leaves_bitmap; #define pass0_is_leaf(block) __is_marked (leaves, block) #define pass0_mark_leaf(block) __mark (leaves, block) /* nodes which are referred to from only one indirect item */ static reiserfs_bitmap_t *good_unfm_bitmap; #define pass0_is_good_unfm(block) __is_marked (good_unfm, block) #define pass0_mark_good_unfm(block) __mark (good_unfm, block) #define pass0_unmark_good_unfm(block) __unmark (good_unfm, block) /* nodes which are referred to from more than one indirect item */ static reiserfs_bitmap_t *bad_unfm_bitmap; #define pass0_is_bad_unfm(block) __is_marked (bad_unfm, block) #define pass0_mark_bad_unfm(block) __mark (bad_unfm, block) #define pass0_unmark_bad_unfm(block) __unmark (bad_unfm, block) static int correct_direct_item_offset(__u64 offset, int format) { if (format == KEY_FORMAT_2) { return (offset && ((offset - 1) % 8 == 0)); } else { return (offset); } return 0; } /* bitmaps which are built on pass 0 and are used on pass 1 */ static void make_aux_bitmaps(reiserfs_filsys_t fs) { struct reiserfs_super_block *sb; sb = fs->fs_ondisk_sb; /* bitmap of leaves found on the device */ leaves_bitmap = reiserfs_create_bitmap(get_sb_block_count(sb)); good_unfm_bitmap = reiserfs_create_bitmap(get_sb_block_count(sb)); bad_unfm_bitmap = reiserfs_create_bitmap(get_sb_block_count(sb)); } void delete_aux_bitmaps(void) { reiserfs_delete_bitmap(leaves_bitmap); reiserfs_delete_bitmap(good_unfm_bitmap); reiserfs_delete_bitmap(bad_unfm_bitmap); } /* register block some indirect item points to */ static void register_unfm(unsigned long block) { if (!pass0_is_good_unfm(block) && !pass0_is_bad_unfm(block)) { /* this block was not pointed by other indirect items yet */ pass0_mark_good_unfm(block); return; } if (pass0_is_good_unfm(block)) { /* block was pointed once already, unmark it in bitmap of good unformatted nodes and mark in bitmap of bad pointers */ pass0_unmark_good_unfm(block); pass0_mark_bad_unfm(block); return; } assert(pass0_is_bad_unfm(block)); } /* 'upper' item is correct if 'upper + 2' exists and its key is greater than key of 'upper' */ static int upper_correct(struct buffer_head *bh, struct item_head *upper, int upper_item_num) { if (upper_item_num + 2 < B_NR_ITEMS(bh)) { if (comp_keys(&upper->ih_key, &(upper + 2)->ih_key) != -1) /* item-num's item is out of order of order */ return 0; return 1; } /* there is no item above the "bad pair" */ return 2; } /* 'lower' item is correct if 'lower - 2' exists and its key is smaller than key of 'lower' */ static int lower_correct(struct buffer_head *bh, struct item_head *lower, int lower_item_num) { if (lower_item_num - 2 >= 0) { if (comp_keys(&(lower - 2)->ih_key, &lower->ih_key) != -1) return 0; return 1; } return 2; } /* return 1 if something was changed */ static int correct_key_format(struct item_head *ih, int symlink) { int dirty = 0; if (is_stat_data_ih(ih)) { /* for stat data we have no way to check whether key format in item head matches to the key format found from the key directly */ if (get_ih_item_len(ih) == SD_V1_SIZE) { if (get_ih_key_format(ih) != KEY_FORMAT_1) { /*fsck_log ("correct_key_format: ih_key_format of (%H) is set to format 1\n", ih); */ set_ih_key_format(ih, KEY_FORMAT_1); return 1; } return 0; } if (get_ih_item_len(ih) == SD_SIZE) { if (get_ih_key_format(ih) != KEY_FORMAT_2) { /*fsck_log ("correct_key_format: ih_key_format of (%H) is set to format 2\n", ih); */ set_ih_key_format(ih, KEY_FORMAT_2); return 1; } return 0; } die("stat_data item of the wrong length"); } if (symlink && is_direct_ih(ih) && (key_format(&ih->ih_key) != KEY_FORMAT_1)) { /* All symlinks are of 3.5 format */ /*fsck_log ("correct_key_format: Symlink keys should be of 3.5 format. %k - fixed.\n", &ih->ih_key); */ set_type_and_offset(KEY_FORMAT_1, &ih->ih_key, get_offset(&ih->ih_key), get_type(&ih->ih_key)); } if (key_format(&ih->ih_key) != get_ih_key_format(ih)) { /*fsck_log ("correct_key_format: ih_key_format of (%H) is set to format found in the key\n", ih); */ set_ih_key_format(ih, key_format(&ih->ih_key)); dirty = 1; } if (is_direct_ih(ih) && get_offset(&ih->ih_key) > fs->fs_blocksize * 4) { /*fsck_log ("correct_key_format: %H made of indirect type\n", ih); */ set_type(key_format(&ih->ih_key), &ih->ih_key, TYPE_INDIRECT); if (get_offset(&ih->ih_key) % fs->fs_blocksize != 1) fsck_log ("correct_key_format: Item header's key has the wrong offset %H\n", ih); dirty = 1; } return dirty; } #if 0 /* fixme: we might try all available hashes */ static int prob_name(reiserfs_filsys_t fs, char **name, int max_len, __u32 deh_offset) { int start; /* */ int len; for (start = 0; start < max_len; start++) { for (len = 0; len < max_len - start; len++) { if (is_properly_hashed (fs, *name + start, len + 1, deh_offset)) { *name = *name + start; return len + 1; } } } return 0; } #endif static void hash_hits_init(reiserfs_filsys_t fs) { fsck_data(fs)->rebuild.hash_amount = known_hashes(); fsck_data(fs)->rebuild.hash_hits = getmem(sizeof(unsigned long) * fsck_data(fs)->rebuild.hash_amount); return; } static void add_hash_hit(reiserfs_filsys_t fs, int hash_code) { fsck_data(fs)->rebuild.hash_hits[hash_code]++; } /* deh_location look reasonable, try to find name length. return 0 if we failed */ static int try_to_get_name_length(struct item_head *ih, struct reiserfs_de_head *deh, int i) { int len; if (i == 0 || !de_bad_location(deh - 1)) { len = name_in_entry_length(ih, deh, i); return (len > 0) ? len : 0; } /* previous entry had bad location so we had no way to find name length */ return 0; } /* define this if you are using -t to debug recovering of corrupted directory item */ #define DEBUG_VERIFY_DENTRY #undef DEBUG_VERIFY_DENTRY /* check directory item and try to recover something */ static int verify_directory_item(reiserfs_filsys_t fs, struct buffer_head *bh, int item_num) { struct item_head *ih; struct item_head tmp; char *item; struct reiserfs_de_head *deh; char *name; int name_len; int bad, lost_found; int i, j; char buf[4096]; int hash_code; int min_entry_size = 1; #ifdef DEBUG_VERIFY_DENTRY char *direntries; #endif ih = item_head(bh, item_num); item = ih_item_body(bh, ih); deh = (struct reiserfs_de_head *)item; if ((get_ih_entry_count(ih) > (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size))) || (get_ih_entry_count(ih) == 0)) { set_ih_entry_count(ih, (int)get_ih_item_len(ih) / (DEH_SIZE + min_entry_size)); mark_buffer_dirty(bh); } if (get_ih_entry_count(ih) == 0) { delete_item(fs, bh, item_num); return -1; } /* check deh_location */ for (i = 0; i < get_ih_entry_count(ih); i++) { /* silently fix deh_state */ if (get_deh_state(deh + i) != (1 << DEH_Visible2)) { set_deh_state(deh + i, (1 << DEH_Visible2)); mark_buffer_dirty(bh); } if (dir_entry_bad_location(deh + i, ih, !i)) mark_de_bad_location(deh + i); } #ifdef DEBUG_VERIFY_DENTRY direntries = getmem(ih_entry_count(ih) * sizeof(int)); printf("Entries with bad locations within the directory: "); for (i = 0; i < ih_entry_count(ih); i++) { if (de_bad_location(deh + i)) printf("%d ", i); } printf("\n"); #endif /* DEBUG_VERIFY_DENTRY */ /* find entries names in which have mismatching deh_offset */ for (i = get_ih_entry_count(ih) - 1; i >= 0; i--) { if (de_bad(deh + i)) /* bad location */ continue; if (i) { if (get_deh_location(deh + i - 1) < get_deh_location(deh + i)) mark_de_bad_location(deh + i - 1); } name = name_in_entry(deh + i, i); /* Although we found a name, we not always can get its length as it depends on deh_location of previous entry. */ name_len = try_to_get_name_length(ih, deh + i, i); #ifdef DEBUG_VERIFY_DENTRY if (name_len == 0) printf ("Trying to find the name length for %d-th entry\n", i); #endif /* DEBUG_VERIFY_DENTRY */ if (is_dot(name, name_len)) { if (i != 0) fsck_log ("block %lu: item %d: \".\" must be the first entry, but it is the %d-th entry\n", bh->b_blocknr, item_num, i); /* check and fix "." */ if (get_deh_offset(deh + i) != DOT_OFFSET) { set_deh_offset(deh + i, DOT_OFFSET); mark_buffer_dirty(bh); } /* "." must point to the directory it is in */ /* if (not_of_one_file (&(deh[i].deh2_dir_id), &(ih->ih_key))) { fsck_log ("verify_direntry: block %lu, item %H has entry \".\" " "pointing to (%K) instead of (%K)\n", bh->b_blocknr, ih, &(deh[i].deh2_dir_id), &(ih->ih_key)); set_deh_dirid (deh + i, get_key_dirid (&ih->ih_key)); set_deh_objectid (deh + i, get_key_objectid (&ih->ih_key)); mark_buffer_dirty (bh); } */ } else if (is_dot_dot(name, name_len)) { if (i != 1) fsck_log ("block %lu: item %d: \"..\" is %d-th entry\n", bh->b_blocknr, item_num, i); /* check and fix ".." */ if (get_deh_offset(deh + i) != DOT_DOT_OFFSET) { set_deh_offset(deh + i, DOT_DOT_OFFSET); mark_buffer_dirty(bh); } } else { int min_length, max_length; /* check other name */ if (name_len == 0) { /* we do not know the length of name - we will try to find it */ min_length = 1; max_length = item + get_ih_item_len(ih) - name; } else /* we kow name length, so we will try only one name length */ min_length = max_length = name_len; hash_code = 0; for (j = min_length; j <= max_length; j++) { hash_code = find_hash_in_use(name, j, get_deh_offset(deh + i), get_sb_hash_code(fs-> fs_ondisk_sb)); /* add_hash_hit (fs, hash_code);*/ if (code2func(hash_code) != NULL) { /* deh_offset matches to some hash of the name */ if (fsck_hash_defined(fs) && hash_code != func2code(fs->fs_hash_function)) { /* wrong hash selected - so we can skip this leaf */ return 1; } if (!name_len) { fsck_log ("%s: block %lu, item %H: Found a name \"%.*s\" for %d-th entry " "matching to the hash %u.\n", __FUNCTION__, bh->b_blocknr, ih, j, name, i, get_deh_offset(deh + i)); /* FIXME: if next byte is 0 we think that the name is aligned to 8 byte boundary */ if (i) { set_deh_location(&deh [i - 1], get_deh_location (deh + i) + ((name [j] || fs-> fs_format == REISERFS_FORMAT_3_5) ? j : ROUND_UP (j))); mark_de_good_location (deh + i - 1); mark_buffer_dirty(bh); } } break; } } add_hash_hit(fs, hash_code); if (j == max_length + 1) { /* deh_offset does not match to anything. it will be deleted for now, but maybe we could just fix a deh_offset if it is in ordeer */ mark_de_bad_offset(deh + i); } } } /* for */ #ifdef DEBUG_VERIFY_DENTRY printf("Entries with mismatching hash: "); for (i = 0; i < ih_entry_count(ih); i++) { if (de_bad_offset(deh + i)) printf("%d ", i); } printf("\n"); #endif /* DEBUG_VERIFY_DENTRY */ /* correct deh_locations such that code cutting entries will not get screwed up */ { int prev_loc; #ifdef DEBUG_VERIFY_DENTRY int loc_fixed; #endif prev_loc = get_ih_item_len(ih); for (i = 0; i < get_ih_entry_count(ih); i++) { #ifdef DEBUG_VERIFY_DENTRY loc_fixed = 0; #endif if (de_bad_location(deh + i)) { set_deh_location(deh + i, prev_loc /* - 1 */ ); mark_buffer_dirty(bh); #ifdef DEBUG_VERIFY_DENTRY loc_fixed = 1; #endif } else { if (get_deh_location(deh + i) >= prev_loc) { set_deh_location(deh + i, prev_loc /* - 1 */ ); mark_buffer_dirty(bh); #ifdef DEBUG_VERIFY_DENTRY loc_fixed = 1; #endif } } prev_loc = get_deh_location(deh + i); if (i == get_ih_entry_count(ih) - 1) { /* last entry starts right after an array of dir entry headers */ if (!de_bad(deh + i) && get_deh_location(deh + i) != (DEH_SIZE * get_ih_entry_count(ih))) { /* free space in the directory item */ fsck_log ("%s: block %lu, item %H: Directory item has a free space - deleting\n", __FUNCTION__, bh->b_blocknr, ih); cut_entry(fs, bh, item_num, get_ih_entry_count(ih), 0); } if (get_deh_location(deh + i) != (DEH_SIZE * get_ih_entry_count(ih))) { set_deh_location(&deh[i], (DEH_SIZE * get_ih_entry_count (ih))); #ifdef DEBUG_VERIFY_DENTRY loc_fixed = 1; #endif mark_buffer_dirty(bh); } } #ifdef DEBUG_VERIFY_DENTRY if (loc_fixed) direntries[i] = 1; #endif } /* for */ #ifdef DEBUG_VERIFY_DENTRY printf("Entries with fixed deh_locations: "); for (i = 0; i < ih_entry_count(ih); i++) { if (direntries[i]) printf("%d ", i); } printf("\n"); #endif /* DEBUG_VERIFY_DENTRY */ } #ifdef DEBUG_VERIFY_DENTRY printf(" N location name\n"); for (i = 0; i < ih_entry_count(ih); i++) { if (de_bad(deh + i) || (i && de_bad(deh + i - 1)) || /* previous entry marked bad */ (i < ih_entry_count(ih) - 1 && de_bad(deh + i + 1))) { /* next entry is marked bad */ /* print only entries to be deleted and their nearest neighbors */ printf("%3d: %8d ", i, deh_location(deh + i)); if (de_bad(deh + i)) printf("will be deleted\n"); else printf("\"%.*s\"\n", name_in_entry_length(ih, deh + i, i), name_in_entry(deh + i, i)); } } #endif bad = lost_found = 0; tmp = *ih; /* mark enries of /lost+found as bad */ deh = B_I_DEH(bh, ih); for (i = 0; i < get_ih_entry_count(ih); i++, deh++) { unsigned int dirid, objectid; if (de_bad(deh)) continue; sprintf(buf, "%.*s", name_in_entry_length(ih, deh, i), name_in_entry(deh, i)); if (sscanf(buf, "%d_%d", &dirid, &objectid) != 2) continue; if (get_deh_dirid(deh) != dirid || get_deh_objectid(deh) != objectid) continue; /* entry in lost+found */ // printf ("%s - will be deleted\n", buf); lost_found++; mark_de_bad_offset(deh); } /* delete entries which are marked bad */ for (i = 0; i < get_ih_entry_count(ih); i++) { deh = B_I_DEH(bh, ih) + i; if (de_bad(deh)) { bad++; if (get_ih_entry_count(ih) == 1) { delete_item(fs, bh, item_num); break; } else { cut_entry(fs, bh, item_num, i, 1); } i--; } } if (bad == get_ih_entry_count(&tmp)) { if (lost_found != bad) { fsck_log ("%s: block %lu, item %H: All entries were deleted from the directory\n", __FUNCTION__, bh->b_blocknr, &tmp); } return -1; } deh = B_I_DEH(bh, ih); if (get_offset(&ih->ih_key) != get_deh_offset(deh)) { fsck_log ("verify_direntry: block %lu, item %H: Key's offset %k must match the directory's hash (%u) - changed.\n", bh->b_blocknr, ih, &ih->ih_key, get_deh_offset(deh)); set_offset(key_format(&ih->ih_key), &ih->ih_key, get_deh_offset(deh)); mark_buffer_dirty(bh); } if (bad > lost_found) fsck_log("pass0: block %lu, item %H: %d entries were deleted\n", bh->b_blocknr, &tmp, bad - lost_found); return 0; } static __inline__ int does_it_fit_into_dev(__u64 offset, __u64 fs_size) { /* Count of unformatted pointers - offset / blocksize Count of blocks to store them - UNFM_P_SIZE * offset / blocksize / MAX_ITEM_LEN Size to store it - blocksize * UNFM_P_SIZE * offset / blocksize / MAX_ITEM_LEN */ return (UNFM_P_SIZE * offset / MAX_ITEM_LEN(fs->fs_blocksize) < fs_size) ? 1 : 0; } static int is_wrong_short_key(const struct reiserfs_key *key) { if (get_key_dirid(key) == 0 || get_key_objectid(key) == 0 || get_key_objectid(key) == 1 || get_key_dirid(key) == ~(__u32) 0 || get_key_objectid(key) == ~(__u32) 0 || get_key_dirid(key) == get_key_objectid(key) || /* the alloc=packing_groups used to allow dirid = 1 (get_key_dirid (key) == 1 && get_key_objectid (key) != 2) || */ (get_key_dirid(key) != 1 && get_key_objectid(key) == 2)) return 1; return 0; } /* 1 if some of fields in the block head of bh look bad */ int leaf_structure_check(reiserfs_filsys_t fs, struct buffer_head *bh) { struct block_head *blkh; int free_space, counted; blkh = B_BLK_HEAD(bh); if (!is_leaf_block_head(bh->b_data)) { /* We should not get here on rebuild. */ fsck_log("block %lu: The block does not look like a leaf.\n", bh->b_blocknr); one_more_corruption(fs, FATAL); return 1; } if (get_blkh_nr_items(blkh) == 0) return 0; counted = leaf_count_ih(bh->b_data, bh->b_size); if (counted < get_blkh_nr_items(blkh)) { fsck_log ("block %lu: The number of items (%lu) is incorrect, should be (%lu)", bh->b_blocknr, get_blkh_nr_items(blkh), counted); if (fsck_mode(fs) == FSCK_REBUILD) { set_blkh_nr_items(blkh, counted); fsck_log(" - corrected\n"); mark_buffer_dirty(bh); } else { fsck_log("\n"); one_more_corruption(fs, FATAL); return 1; } } free_space = leaf_free_space_estimate(bh->b_data, bh->b_size); if (get_blkh_free_space(blkh) != free_space) { fsck_log ("block %lu: The free space (%lu) is incorrect, should be (%lu)", bh->b_blocknr, get_blkh_free_space(blkh), free_space); if (fsck_mode(fs) != FSCK_CHECK && fsck_mode(fs) != FSCK_AUTO) { set_blkh_free_space(blkh, free_space); fsck_log(" - corrected\n"); mark_buffer_dirty(bh); } else { fsck_log("\n"); one_more_corruption(fs, FIXABLE); return 1; } } return 0; } /* do this on pass 0 with every leaf marked used */ /* FIXME: we can improve fixing of broken keys: we can ssfe direct items which go after stat data and have broken keys */ static void pass0_correct_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { int file_format = KEY_FORMAT_UNDEFINED; struct item_head *ih; __le32 *ind_item; __u64 fs_size; __u64 offset; int symlnk = 0; unsigned long unfm_ptr; // unsigned int nr_items; int i, j, nr_items; int dirty = 0; leaf_structure_check(fs, bh); /* Delete all safe links. */ for (i = get_blkh_nr_items(B_BLK_HEAD(bh)) - 1; i >= 0; i--) { if (get_key_dirid(&item_head(bh, i)->ih_key) == ~(__u32) 0) { delete_item(fs, bh, i); } if (get_key_dirid(&item_head(bh, i)->ih_key) == BADBLOCK_DIRID && get_key_objectid(&item_head(bh, i)->ih_key) == BADBLOCK_OBJID) { delete_item(fs, bh, i); } } fs_size = (__u64) fs->fs_blocksize * get_sb_block_count(fs->fs_ondisk_sb); start_again: ih = item_head(bh, 0); for (i = 0; i < (nr_items = get_blkh_nr_items(B_BLK_HEAD(bh))); i++, ih++) { if (is_indirect_ih(ih) && (get_ih_item_len(ih) % 4 != 0)) { set_type(get_ih_key_format(ih), &ih->ih_key, TYPE_UNKNOWN); dirty = 1; } if (type_unknown(&ih->ih_key)) { if ((get_ih_item_len(ih) == SD_SIZE) || (get_ih_item_len(ih) == SD_V1_SIZE)) { set_type_and_offset(KEY_FORMAT_1, &ih->ih_key, SD_OFFSET, TYPE_STAT_DATA); dirty = 1; fsck_log ("pass0: vpf-10100: block %lu, item (%d): Unknown item type of StatData size," " type set to StatData %k\n", bh->b_blocknr, i, &ih->ih_key); } else { fsck_log ("pass0: vpf-10110: block %lu, item (%d): Unknown item type found %k - deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } } if (is_wrong_short_key(&ih->ih_key)) { /* sometimes stat datas get k_objectid==0 or k_dir_id==0 */ /* if (i == (nr_items - 1)) { if (i == 0) { fsck_log ("block %lu: item %d: (%H) id equals 0\n", bh->b_blocknr, i, ih); return; } // delete last item fsck_log ("block %lu: item %d: (%H) id equals 0\n", bh->b_blocknr, i, ih); delete_item (fs, bh, i - 1); return; } */ /* FIXME: 18842 19034 0x1 IND (2) 19035 19035 0x0 SD (0) 18842 1 0x1 IND (1) 18842 1 0x1001 DRCT (2) */ /* there is next item: if it is not stat data - take its k_dir_id and k_objectid. if key order will be still wrong - the changed item will be deleted */ if (i && !is_stat_data_ih(ih)) { /* previous item has a wrong short_key */ fsck_log ("pass0: vpf-10120: block %lu: item %d: Wrong key %k, corrected to ", bh->b_blocknr, i, &ih->ih_key); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)->ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(&(ih - 1)-> ih_key)); fsck_log("%k\n", &ih->ih_key); dirty = 1; } else if ((i < nr_items - 1) && !is_stat_data_ih(ih + 1)) { if (!is_wrong_short_key(&(ih + 1)->ih_key)) { fsck_log ("pass0: vpf-10130: block %lu: item %d: Wrong key %k, corrected to ", bh->b_blocknr, i, &ih->ih_key); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih + 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(& (ih + 1)-> ih_key)); /* set_offset (KEY_FORMAT_1, &ih->ih_key, 0); set_type (KEY_FORMAT_1, &ih->ih_key, TYPE_STAT_DATA);*/ fsck_log("%k\n", &ih->ih_key); dirty = 1; goto start_again; } else { fsck_log ("pass0: vpf-10140: block %lu: items %d and %d have bad short keys %k, %k, both deleted\n", bh->b_blocknr, i, i + 1, &ih->ih_key, &(ih + 1)->ih_key); delete_item(fs, bh, i); delete_item(fs, bh, i); goto start_again; } } else { fsck_log ("pass0: vpf-10150: block %lu: item %d: Wrong key %k, deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } } if (i && i + 1 < nr_items) { if (is_stat_data_ih(ih - 1) && !is_stat_data_ih(ih) && !is_direct_ih(ih + 1) && !is_stat_data_ih(ih + 1)) { /* i or i+1 item should be SD or i+1 should be direct item */ if ((get_ih_item_len(ih) == SD_SIZE) || (get_ih_item_len(ih) == SD_V1_SIZE)) { /* make i as SD */ fsck_log ("pass0: vpf-10400: block %lu, item %d: Wrong order of items - " "change the type of the key %k to StatData\n", bh->b_blocknr, i, &ih->ih_key); set_type_and_offset(KEY_FORMAT_1, &ih->ih_key, SD_OFFSET, TYPE_STAT_DATA); dirty = 1; } else if ((get_ih_item_len(ih + 1) == SD_SIZE) || (get_ih_item_len(ih + 1) == SD_V1_SIZE)) { /* make i+1 as SD */ fsck_log ("pass0: vpf-10410: block %lu, item %d: Wrong order of items - " "change the type of the key %k to StatData\n", bh->b_blocknr, i + 1, &(ih + 1)->ih_key); set_type_and_offset(KEY_FORMAT_1, &(ih + 1)->ih_key, SD_OFFSET, TYPE_STAT_DATA); dirty = 1; } else if (is_indirect_ih(ih)) { fsck_log ("pass0: vpf-10420: block %lu, item %d: Wrong order of items - " "change the type of the key %k to Direct\n", bh->b_blocknr, i + 1, &(ih + 1)->ih_key); set_type(get_ih_key_format(ih + 1), &(ih + 1)->ih_key, TYPE_DIRECT); dirty = 1; } } } if (i && ((is_stat_data_ih(ih - 1) && !is_stat_data_ih(ih) && (get_key_dirid(&(ih - 1)->ih_key) != get_key_dirid(&ih->ih_key))) || (is_stat_data_ih(ih) && (get_key_dirid (&(ih - 1)-> ih_key) > get_key_dirid (&ih-> ih_key))))) { /* not the same dir_id of the same file or not increasing dir_id of different files */ if ((i > 1) && get_key_dirid(&(ih - 2)->ih_key) == get_key_dirid(&(ih - 1)->ih_key)) { /* fix i-th */ if (!is_stat_data_ih(ih)) { fsck_log ("pass0: vpf-10430: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_dirid(&(ih - 1)->ih_key)); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)-> ih_key)); dirty = 1; } else if (i + 1 < nr_items) { fsck_log ("pass0: vpf-10440: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_dirid(&(ih + 1)->ih_key)); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih + 1)-> ih_key)); dirty = 1; } } else if ((i + 1 < nr_items) && get_key_dirid(&ih->ih_key) == get_key_dirid(&(ih + 1)->ih_key)) { fsck_log ("pass0: vpf-10450: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_dirid(&ih->ih_key)); /* fix (i - 1)-th */ set_key_dirid(&(ih - 1)->ih_key, get_key_dirid(&ih->ih_key)); dirty = 1; } } if (i && i + 1 < nr_items) { /* there is a previous and a next items */ if ((get_key_dirid(&(ih - 1)->ih_key) == get_key_dirid(&(ih + 1)->ih_key)) && (get_key_dirid(&(ih - 1)->ih_key) != get_key_dirid(&ih->ih_key))) { fsck_log ("pass0: vpf-10460: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_dirid(&(ih - 1)->ih_key)); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)->ih_key)); dirty = 1; } if (is_stat_data_ih(ih - 1) && is_indirect_ih(ih) && is_direct_ih(ih + 1)) { if ((get_key_objectid(&(ih - 1)->ih_key) == get_key_objectid(&(ih + 1)->ih_key)) && (get_key_objectid(&(ih - 1)->ih_key) != get_key_objectid(&ih->ih_key))) { fsck_log ("pass0: vpf-10470: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_objectid(&(ih - 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); dirty = 1; } if ((get_key_objectid(&(ih - 1)->ih_key) == get_key_objectid(&ih->ih_key)) && (get_key_objectid(&(ih - 1)->ih_key) != get_key_objectid(&(ih + 1)->ih_key))) { fsck_log ("pass0: vpf-10480: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i + 1, &(ih + 1)->ih_key, get_key_objectid(&(ih - 1)-> ih_key)); set_key_objectid(&(ih + 1)->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); dirty = 1; } if ((get_key_objectid(&ih->ih_key) == get_key_objectid(&(ih + 1)->ih_key)) && (get_key_objectid(&(ih - 1)->ih_key) != get_key_objectid(&(ih + 1)->ih_key))) { fsck_log ("pass0: vpf-10490: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_objectid(&(ih + 1)-> ih_key)); set_key_objectid(&(ih - 1)->ih_key, get_key_objectid(& (ih + 1)-> ih_key)); dirty = 1; } if ((get_key_dirid(&(ih - 1)->ih_key) == get_key_dirid(&ih->ih_key)) && (get_key_dirid(&(ih - 1)->ih_key) != get_key_dirid(&(ih + 1)->ih_key))) { fsck_log ("pass0: vpf-10500: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i + 1, &(ih + 1)->ih_key, get_key_dirid(&(ih - 1)->ih_key)); set_key_dirid(&(ih + 1)->ih_key, get_key_dirid(&(ih - 1)-> ih_key)); dirty = 1; } if ((get_key_dirid(&ih->ih_key) == get_key_dirid(&(ih + 1)->ih_key)) && (get_key_dirid(&(ih - 1)->ih_key) != get_key_dirid(&(ih + 1)->ih_key))) { fsck_log ("pass0: vpf-10510: block %lu, item %d: Wrong order of items - " "change the dir_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_dirid(&(ih + 1)->ih_key)); set_key_dirid(&(ih - 1)->ih_key, get_key_dirid(&(ih + 1)-> ih_key)); dirty = 1; } } } if (i && is_stat_data_ih(ih) && get_key_dirid(&(ih - 1)->ih_key) == get_key_dirid(&ih->ih_key) && get_key_objectid(&(ih - 1)->ih_key) >= get_key_objectid(&ih->ih_key)) { if ((i + 1 < nr_items) && !is_stat_data_ih(ih + 1)) { if (get_key_objectid(&(ih - 1)->ih_key) < get_key_objectid(&(ih + 1)->ih_key)) { fsck_log ("pass0: vpf-10520: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_objectid(&(ih + 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(& (ih + 1)-> ih_key)); dirty = 1; } } } if (i && is_stat_data_ih(ih - 1) && !is_stat_data_ih(ih) && (get_key_objectid(&(ih - 1)->ih_key) != get_key_objectid(&ih->ih_key))) { int err = 0; if (i > 1) { if (comp_short_keys (&(ih - 2)->ih_key, &(ih - 1)->ih_key) != -1) misc_set_bit(1, &err); if (comp_short_keys (&(ih - 2)->ih_key, &ih->ih_key) != -1) misc_set_bit(2, &err); } if (i + 1 < nr_items) { if (comp_short_keys (&(ih - 1)->ih_key, &(ih + 1)->ih_key) != -1) misc_set_bit(3, &err); if (comp_short_keys (&ih->ih_key, &(ih + 1)->ih_key) != -1) misc_set_bit(4, &err); } /* if ((test_bit (1, err) || test_bit (3, err)) && (test_bit (2, err) || test_bit (4, err))) { // thera are no problem-free keys, delete them both delete_item (fs, bh, i - 1); delete_item (fs, bh, i - 1); goto start_again; } */ if (!misc_test_bit(1, &err) && !misc_test_bit(3, &err) && !misc_test_bit(2, &err) && !misc_test_bit(4, &err)) { if (i <= 1) { /* take bigger */ if (comp_short_keys (&(ih - 1)->ih_key, &ih->ih_key) == 1) { fsck_log ("pass0: vpf-10530: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid (&(ih - 1)-> ih_key)); } else { fsck_log ("pass0: vpf-10540: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_objectid(&ih-> ih_key)); set_key_objectid(&(ih - 1)-> ih_key, get_key_objectid (&ih->ih_key)); } } else { /* take smaller */ if (comp_short_keys (&(ih - 1)->ih_key, &ih->ih_key) == 1) { fsck_log ("pass0: vpf-10550: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_objectid(&ih-> ih_key)); set_key_objectid(&(ih - 1)-> ih_key, get_key_objectid (&ih->ih_key)); } else { fsck_log ("pass0: vpf-10560: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid (&(ih - 1)-> ih_key)); } } dirty = 1; } else if (!misc_test_bit(1, &err) && !misc_test_bit(3, &err)) { /* take i - 1 */ fsck_log ("pass0: vpf-10590: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i, &ih->ih_key, get_key_objectid(&(ih - 1)->ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(&(ih - 1)-> ih_key)); dirty = 1; } else if (!misc_test_bit(2, &err) && !misc_test_bit(4, &err)) { /* take i */ fsck_log ("pass0: vpf-10600: block %lu, item %d: Wrong order of items - " "change the object_id of the key %k to %lu\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key, get_key_objectid(&ih->ih_key)); set_key_objectid(&(ih - 1)->ih_key, get_key_objectid(&ih->ih_key)); dirty = 1; } } /* this recovers corruptions like the below: 1774 1732 0 0 116262638 1732 1 3 1774 1736 0 0 */ if (i && is_stat_data_ih(ih - 1) && !is_stat_data_ih(ih)) { if (get_key_objectid(&ih->ih_key) != get_key_objectid(&(ih - 1)->ih_key) || get_key_dirid(&ih->ih_key) != get_key_dirid(&(ih - 1)->ih_key) || get_offset(&ih->ih_key) != 1) { if (is_direntry_ih(ih)) { fsck_log ("pass0: vpf-10160: block %lu: item %d: No \".\" entry found in " "the first item of a directory\n", bh->b_blocknr, i); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); dirty = 1; } else { fsck_log ("pass0: vpf-10170: block %lu: item %d: Wrong order of items - " "the item \n\t%H fixed to ", bh->b_blocknr, i, ih); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)-> ih_key)); set_key_objectid(&ih->ih_key, get_key_objectid(& (ih - 1)-> ih_key)); if (get_ih_item_len(ih - 1) == SD_SIZE) { /* stat data is new, therefore this item is new too */ set_offset(KEY_FORMAT_2, &(ih->ih_key), 1); if ((get_ih_entry_count(ih) != 0xffff) && (get_ih_item_len(ih) % 4 == 0)) set_type(KEY_FORMAT_2, &(ih->ih_key), TYPE_INDIRECT); else set_type(KEY_FORMAT_2, &(ih->ih_key), TYPE_DIRECT); set_ih_key_format(ih, KEY_FORMAT_2); } else { /* stat data is old, therefore this item is old too */ set_offset(KEY_FORMAT_1, &(ih->ih_key), 1); if ((get_ih_entry_count(ih) != 0xffff) && (get_ih_item_len(ih) % 4 == 0)) set_type(KEY_FORMAT_1, &(ih->ih_key), TYPE_INDIRECT); else { set_type(KEY_FORMAT_1, &(ih->ih_key), TYPE_DIRECT); set_ih_free_space(ih, 0xffff); } set_ih_key_format(ih, KEY_FORMAT_1); } fsck_log("\n\t%H\n", ih); dirty = 1; } } } /* FIXME: corruptions like: 56702 66802 1 2 56702 65536 0 0 56702 66803 1 2 do not get recovered (both last items will be deleted) */ /* delete item if it is not in correct order of object items */ if (i && not_of_one_file(&ih->ih_key, &(ih - 1)->ih_key) && !is_stat_data_ih(ih)) { fsck_log ("pass0: vpf-10180: block %lu: item %d: The item %k, which follows non StatData item %k, is deleted\n", bh->b_blocknr, i, &ih->ih_key, &(ih - 1)->ih_key); delete_item(fs, bh, i); goto start_again; } if (is_stat_data_ih(ih)) { if (get_offset(&ih->ih_key) != 0) { set_offset(KEY_FORMAT_1, &ih->ih_key, 0); dirty = 1; } } else if (!is_direntry_ih(ih)) { /* not SD, not direntry */ if (i && comp_short_keys(&(ih - 1)->ih_key, &ih->ih_key) == 0) { if (is_stat_data_ih(ih - 1)) { if (get_offset(&ih->ih_key) != 1) { set_offset(key_format (&ih->ih_key), &ih->ih_key, 1); dirty = 1; } } else if (is_indirect_ih(ih - 1) && is_direct_ih(ih)) { if (get_offset(&ih->ih_key) != get_offset(&(ih - 1)->ih_key) + I_UNFM_NUM(ih - 1) * fs->fs_blocksize) { set_offset(key_format (&ih->ih_key), &ih->ih_key, get_offset(& (ih - 1)-> ih_key) + I_UNFM_NUM(ih - 1) * fs->fs_blocksize); dirty = 1; } } else { /* if indirect item or not the first direct item in the leaf */ fsck_log ("pass0: vpf-10250: block %lu, item %d: The item %k with wrong type is deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } /* Check the lenght of the direct item; offset should be ok already. */ if (is_direct_ih(ih)) { if (STORE_TAIL_IN_UNFM (get_offset(&ih->ih_key) + get_ih_item_len(ih) - 1, get_ih_item_len(ih), bh->b_size)) { fsck_log ("pass0: vpf-10700: block %lu, item %d: The item with wrong offset" " or length found %k, len % lu - deleted\n", bh->b_blocknr, i, &ih->ih_key, get_ih_item_len(ih)); delete_item(fs, bh, i); goto start_again; } } } else { /*first item in the node or first item of the file */ if (i) { /* first item of the file, but not SD - delete */ fsck_log ("pass0: vpf-10190: block %lu, item %d: The item %k, which follows non StatData" " item %k, is deleted\n", bh->b_blocknr, i, &ih->ih_key, &(ih - 1)->ih_key); delete_item(fs, bh, i); goto start_again; } /* indirect or direct is the first in the leaf */ offset = (__u64) get_offset(&ih->ih_key); if (is_indirect_ih(ih)) { if (offset % fs->fs_blocksize != 1) { fsck_log ("pass0: vpf-10200: block %lu, item %d: The item %k with wrong offset is deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } } else if (is_direct_ih(ih)) { if (!correct_direct_item_offset (get_offset(&ih->ih_key), key_format(&ih->ih_key)) || ((get_offset(&ih->ih_key) % bh->b_size - 1) + get_ih_item_len(ih) > bh->b_size) || STORE_TAIL_IN_UNFM(offset + get_ih_item_len (ih) - 1, get_ih_item_len (ih), bh->b_size)) { fsck_log ("pass0: vpf-10210: block %lu, item %d: The item with wrong offset ", bh->b_blocknr, i); fsck_log ("or length found %k, len % lu - deleted\n", &ih->ih_key, get_ih_item_len(ih)); delete_item(fs, bh, i); goto start_again; } } offset += get_bytes_number(ih, fs->fs_blocksize); if (!does_it_fit_into_dev(offset, fs_size)) { fsck_log ("pass0: vpf-10230: block %lu, item %d: The item offset is is too big %k - deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } } } if (i && comp_keys(&(ih - 1)->ih_key, &ih->ih_key) != -1) { /* previous item has key not smaller than the key of currect item */ if (is_stat_data_ih(ih - 1) && !is_stat_data_ih(ih)) { /* fix key of stat data such as if it was stat data of that item */ fsck_log ("pass0: block %lu, items %d, %d: Wrong order of items - make the StatData item %k of the file %k\n", bh->b_blocknr, i - 1, i, &(ih - 1)->ih_key, &ih->ih_key); set_key_dirid(&(ih - 1)->ih_key, get_key_dirid(&ih->ih_key)); set_key_objectid(&(ih - 1)->ih_key, get_key_objectid(&ih->ih_key)); set_offset(KEY_FORMAT_1, &(ih - 1)->ih_key, 0); set_type(KEY_FORMAT_1, &(ih - 1)->ih_key, TYPE_STAT_DATA); dirty = 1; } else { /* ok, we have to delete one of these two - decide which one */ int retval; /* something will be deleted */ dirty = 1; retval = upper_correct(bh, ih - 1, i - 1); switch (retval) { case 0: /* delete upper item */ fsck_log ("pass0: block %lu, item %d (upper): Item %k is out of order - deleted\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key); delete_item(fs, bh, i - 1); goto start_again; case 1: /* delete lower item */ fsck_log ("pass0: block %lu, item %d (lower): Item %k is out of order - deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; default: /* upper item was the first item of a node */ /* to make gcc 3.2 do not sware here */ ; } retval = lower_correct(bh, ih, i); switch (retval) { case 0: /* delete lower item */ fsck_log ("pass0: block %lu, item %d (lower): Item %k is out of order - deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; case 1: /* delete upper item */ fsck_log ("pass0: block %lu, %d (upper): Item %k is out of order - deleted\n", bh->b_blocknr, i - 1, &(ih - 1)->ih_key); delete_item(fs, bh, i - 1); goto start_again; default: /* only 2 items in the node, how to decide what to delete, go and ask user */ /* to make gcc 3.2 do not sware here */ ; } fsck_log ("pass0: block %lu, items %d and %d: Which of these items looks better (the other will be deleted.)?\n" "%k\n%k\n", bh->b_blocknr, i - 1, i, &(ih - 1)->ih_key, &ih->ih_key); if (fsck_user_confirmed (fs, "1 or 2?", "1\n", 1)) delete_item(fs, bh, i - 1); else delete_item(fs, bh, i); goto start_again; } } if (is_stat_data_ih(ih) && (get_ih_item_len(ih) != SD_SIZE && get_ih_item_len(ih) != SD_V1_SIZE)) { fsck_log ("pass0: block %lu, item %d: StatData item of wrong length found %H - deleted\n", bh->b_blocknr, i, ih); delete_item(fs, bh, i); goto start_again; } dirty += correct_key_format(ih, symlnk); if (is_stat_data_ih(ih)) { __u16 mode; file_format = get_ih_key_format(ih); get_sd_mode(ih, item_body(bh, i), &mode); symlnk = (S_ISLNK(mode) ? 1 : 0); ; /*correct_stat_data (fs, bh, i); */ } else if (!is_direntry_ih(ih) && !(symlnk && is_direct_ih(ih)) && (file_format != KEY_FORMAT_UNDEFINED) && (file_format != get_ih_key_format(ih))) { fsck_log ("pass0: vpf-10240: block %lu, item (%d): Item %k, which format (%d) is not equal to StatData " "format (%d), is deleted\n", bh->b_blocknr, i, &ih->ih_key, get_ih_key_format(ih), file_format); delete_item(fs, bh, i); goto start_again; } else { file_format = KEY_FORMAT_UNDEFINED; symlnk = 0; } if (i && is_stat_data_ih(ih - 1) && !not_of_one_file(&ih->ih_key, &(ih - 1)->ih_key)) { __u16 mode; get_sd_mode(ih - 1, ih_item_body(bh, ih - 1), &mode); if (not_a_directory(ih_item_body(bh, ih - 1)) && is_direntry_ih(ih)) { /* make SD mode SD of dir */ fsck_log ("pass0: block %lu, item %d: The directory %K has the wrong mode (%M), corrected to ", bh->b_blocknr, i, &ih->ih_key, mode); mode &= ~S_IFMT; mode |= S_IFDIR; fsck_log("(%M)\n", mode); set_sd_mode(ih - 1, ih_item_body(bh, ih - 1), &mode); dirty = 1; } else if (!not_a_directory(ih_item_body(bh, ih - 1)) && !is_direntry_ih(ih)) { /* make SD mode SD of regular file */ fsck_log ("pass0: block %lu, item %d: Not the directory %K has the wrong mode (%M), corrected to ", bh->b_blocknr, i, &ih->ih_key, mode); mode &= ~S_IFMT; mode |= S_IFREG; fsck_log("(%M)\n", mode); set_sd_mode(ih - 1, ih_item_body(bh, ih - 1), &mode); dirty = 1; } if (not_a_regfile(ih_item_body(bh, ih - 1)) && is_indirect_ih(ih)) { fsck_log ("pass0: block %lu, item %d: The file %K has the wrong mode (%M), corrected to ", bh->b_blocknr, i, &ih->ih_key, mode); mode &= ~S_IFMT; mode |= S_IFREG; fsck_log("(%M)\n", mode); set_sd_mode(ih - 1, ih_item_body(bh, ih - 1), &mode); dirty = 1; } } if (is_direntry_ih(ih)) { j = verify_directory_item(fs, bh, i); if (j == 1) { /* wrong hash, skip the leaf */ pass_0_stat(fs)->too_old_leaves++; mark_buffer_clean(bh); return; } else if (j == -1) { /* item was deleted */ goto start_again; } continue; } /*DEBUG*/ if (!is_stat_data_ih(ih) && get_offset(&ih->ih_key) == 0) reiserfs_panic ("block %lu, item %d: Zero offset can have StatData items only, but found %k\n", bh->b_blocknr, i, &ih->ih_key); if (!is_indirect_ih(ih)) continue; /* Darko Palic's filesystem had item: [20079 17328 0xfffb1001 IND, len 4048], format old */ { struct reiserfs_key tmp_key; tmp_key = ih->ih_key; set_offset(key_format(&tmp_key), &tmp_key, get_offset(&tmp_key) + get_bytes_number(ih, bh-> b_size) - 1); if (get_offset(&tmp_key) < get_offset(&ih->ih_key)) { fsck_log ("pass0: block %lu, item %d: The item, which has wrong offset %k, is deleted\n", bh->b_blocknr, i, &ih->ih_key); delete_item(fs, bh, i); goto start_again; } } /* temporary ugly fix */ /* if (i && is_stat_data_ih (ih - 1) && !not_of_one_file (&ih->ih_key, &(ih - 1)->ih_key)) { __u16 mode; get_sd_mode (ih - 1, B_I_PITEM (bh, ih - 1), &mode); if (!S_ISREG (mode)) { fsck_log ("pass0: block %lu: mode (%M) of file %K having indirect item is fixed to ", bh->b_blocknr, mode, &ih->ih_key); mode &= ~S_IFMT; mode |= S_IFREG; set_sd_mode (ih - 1, B_I_PITEM (bh, ih - 1), &mode); fsck_log ("(%M)\n", mode); dirty = 1; } } */ ind_item = (__le32 *) ih_item_body(bh, ih); for (j = 0; j < (int)I_UNFM_NUM(ih); j++) { unfm_ptr = d32_get(ind_item, j); if (!unfm_ptr) continue; #if 0 if (fsck_mode(fs) == FSCK_ZERO_FILES) { /* FIXME: this is temporary mode of fsck */ ind_item[j] = 0; reiserfs_bitmap_clear_bit(fsck_new_bitmap(fs), unfm_ptr); tmp_zeroed++; dirty = 1; continue; } #endif if (not_data_block(fs, unfm_ptr) || /* journal area or bitmap or super block */ unfm_ptr >= get_sb_block_count(fs->fs_ondisk_sb) || /* garbage in pointer */ (fs->fs_badblocks_bm && /* bad block */ reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, unfm_ptr))) { pass_0_stat(fs)->wrong_pointers++; /* fsck_log ("pass0: %d-th pointer (%lu) in item %k (leaf block %lu) is wrong\n", j, unfm_ptr, &ih->ih_key, bh->b_blocknr); */ d32_put(ind_item, j, 0); dirty = 1; continue; } /* mark block in bitmaps of unformatted nodes */ register_unfm(unfm_ptr); } } /* mark all objectids in use */ ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { struct reiserfs_de_head *deh; id_map_mark(proper_id_map(fs), get_key_dirid(&ih->ih_key)); id_map_mark(proper_id_map(fs), get_key_objectid(&ih->ih_key)); if (is_direntry_ih(ih)) { for (j = 0, deh = B_I_DEH(bh, ih); j < get_ih_entry_count(ih); j++, deh++) id_map_mark(proper_id_map(fs), get_deh_objectid(deh)); } } if (get_blkh_nr_items(B_BLK_HEAD(bh)) < 1) { /* pass 1 will skip this */ pass_0_stat(fs)->all_contents_removed++; // fsck_log ("pass0: block %lu: All items were deleted.\n", bh->b_blocknr); dirty = 0; mark_buffer_clean(bh); } else { /* pass1 will use this bitmap */ pass0_mark_leaf(bh->b_blocknr); /*fsck_data (fs)->rebuild.leaves ++; */ } if (dirty) { pass_0_stat(fs)->leaves_corrected++; mark_buffer_dirty(bh); } } static int is_bad_sd(struct item_head *ih, char *item) { struct stat_data *sd = (struct stat_data *)item; if (get_key_offset_v1(&ih->ih_key) || get_key_uniqueness(&ih->ih_key)) { fsck_log ("vpf-10610: StatData item %k has non zero offset found.\n", &ih->ih_key); return 1; } if (get_ih_item_len(ih) == SD_V1_SIZE) { /* looks like old stat data */ if (get_ih_key_format(ih) != KEY_FORMAT_1) fsck_log ("vpf-10620: StatData item %k has wrong format.\n", &ih->ih_key); return 0; } if (!S_ISDIR(sd_v2_mode(sd)) && !S_ISREG(sd_v2_mode(sd)) && !S_ISCHR(sd_v2_mode(sd)) && !S_ISBLK(sd_v2_mode(sd)) && !S_ISLNK(sd_v2_mode(sd)) && !S_ISFIFO(sd_v2_mode(sd)) && !S_ISSOCK(sd_v2_mode(sd))) { /*fsck_log ("file %k unexpected mode encountered 0%o\n", &ih->ih_key, sd_v2_mode(sd)) */ ; } return 0; } int is_bad_directory(struct item_head *ih, char *item, int dev, int blocksize) { int i; char *name; int namelen, entrylen; struct reiserfs_de_head *deh = (struct reiserfs_de_head *)item; __u32 prev_offset = 0; __u16 prev_location = get_ih_item_len(ih); int min_entry_size = 1; /* we have no way to understand whether the filesystem wes created in 3.6 format or converted to it. So, we assume that minimal name length is 1 */ if (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size) < get_ih_entry_count(ih)) /* entry count is too big */ return 1; for (i = 0; i < get_ih_entry_count(ih); i++, deh++) { entrylen = entry_length(ih, deh, i); if (entrylen > (int)REISERFS_MAX_NAME_LEN(blocksize)) return 1; if (get_deh_offset(deh) <= prev_offset) return 1; prev_offset = get_deh_offset(deh); if (get_deh_location(deh) + entrylen != prev_location) return 1; prev_location = get_deh_location(deh); namelen = name_in_entry_length(ih, deh, i); name = name_in_entry(deh, i); if (!is_properly_hashed(fs, name, namelen, get_deh_offset(deh))) return 1; } return 0; } /* change incorrect block adresses by 0. Do not consider such item as incorrect */ static int is_bad_indirect(struct item_head *ih, char *item, int dev, int blocksize) { unsigned long blocks; unsigned int i; int bad = 0; if (get_ih_item_len(ih) % UNFM_P_SIZE) { fsck_log ("is_bad_indirect: indirect item of %H of invalid length\n", ih); return 1; } blocks = get_sb_block_count(fs->fs_ondisk_sb); for (i = 0; i < I_UNFM_NUM(ih); i++) { __le32 *ind = (__le32 *) item; if (d32_get(ind, i) >= blocks) { bad++; fsck_log ("is_bad_indirect: %d-th pointer of item %H looks bad (%lu)\n", i, ih, d32_get(ind, i)); continue; } } return bad; } /* this is used by pass1.c:save_item and check.c:is_leaf_bad */ int is_bad_item(struct buffer_head *bh, struct item_head *ih, char *item) { int blocksize, dev; blocksize = bh->b_size; dev = bh->b_dev; // FIXME: refuse transparently bad items if (get_key_dirid(&ih->ih_key) == get_key_objectid(&ih->ih_key)) return 1; if (!get_key_dirid(&ih->ih_key) || !get_key_objectid(&ih->ih_key)) return 1; if (is_stat_data_ih(ih)) return is_bad_sd(ih, item); if (is_direntry_ih(ih)) return is_bad_directory(ih, item, dev, blocksize); if (is_indirect_ih(ih)) return is_bad_indirect(ih, item, dev, blocksize); if (is_direct_ih(ih)) return 0; return 1; } int is_leaf_bad(struct buffer_head *bh) { int i; struct item_head *ih; int bad = 0; assert(is_leaf_node(bh)); for (i = 0, ih = item_head(bh, 0); i < B_NR_ITEMS(bh); i++, ih++) { if (is_bad_item(bh, ih, ih_item_body(bh, ih))) { fsck_log ("is_leaf_bad: block %lu, item %d: The corrupted item found (%H)\n", bh->b_blocknr, i, ih); bad = 1; continue; } if (i && bad_pair(fs, bh, i)) { fsck_log ("is_leaf_bad: block %lu items %d and %d: Wrong order of items:" "\n\t%H\n\t%H\n", bh->b_blocknr, i - 1, i, ih - 1, ih); bad = 1; } } return bad; } static int is_to_be_read(reiserfs_filsys_t fs, unsigned long block) { return reiserfs_bitmap_test_bit(fsck_source_bitmap(fs), block); } static void do_pass_0(reiserfs_filsys_t fs) { struct buffer_head *bh; unsigned long i; int what_node; unsigned long done = 0, total; if (fsck_mode(fs) == DO_TEST) { /* just to test pass0_correct_leaf */ bh = bread(fs->fs_dev, fsck_data(fs)->rebuild.test, fs->fs_blocksize); if (!bh) { /* we were reading one block at time, and failed, so mark block bad */ fsck_progress("%s: Reading of the block %lu failed\n", __FUNCTION__, fsck_data(fs)->rebuild.test); reiserfs_free(fs); exit(0); } if (is_leaf_bad(bh)) { fsck_progress ("############### bad #################\n"); } pass0_correct_leaf(fs, bh); print_block(stdout, fs, bh, 3, -1, -1); if (is_leaf_bad(bh)) { fsck_progress ("############### still bad #################\n"); } brelse(bh); reiserfs_free(fs); exit(0); } total = reiserfs_bitmap_ones(fsck_source_bitmap(fs)); for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!is_to_be_read(fs, i)) continue; print_how_far(fsck_progress_file(fs), &done, total, 1, fsck_quiet(fs)); bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { /* we were reading one block at time, and failed, so mark block bad */ fsck_progress("%s: Reading of the block %lu failed\n", __FUNCTION__, i); continue; } if (fs->fs_badblocks_bm && reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) reiserfs_panic ("The block (%lu), specified in badblock list, was read.", i); if (not_data_block(fs, i)) { /* block which could not be pointed by indirect item */ if (! (block_of_journal(fs, i) && fsck_data(fs)->rebuild.use_journal_area)) reiserfs_panic ("The block (%lu) from non data area was read.", i); } pass_0_stat(fs)->dealt_with++; what_node = who_is_this(bh->b_data, bh->b_size); if (what_node != THE_LEAF && what_node != HAS_IH_ARRAY) { brelse(bh); continue; } pass_0_stat(fs)->leaves++; pass0_correct_leaf(fs, bh); brelse(bh); } fsck_progress("\n"); /* just in case */ id_map_mark(proper_id_map(fs), REISERFS_ROOT_OBJECTID); } int is_used_leaf(unsigned long block) { return pass0_is_leaf(block); } /* int how_many_leaves_were_there (void) { return fsck_data (fs)->rebuild.leaves; } */ /* these are used to correct uformatted node pointers */ int is_bad_unformatted(unsigned long block) { return pass0_is_bad_unfm(block); } /* these are used to correct uformatted node pointers */ int is_good_unformatted(unsigned long block) { return pass0_is_good_unfm(block); } /* this is for check only. With this we make sure that all pointers we put into tree on pass 1 do not point to leaves (FIXME), do not point to journal, bitmap, etc, do not point out of fs boundary (and are marked used in on-disk bitmap - this condition skipped for now). */ int still_bad_unfm_ptr_1(unsigned long block) { if (!block) return 0; if (pass0_is_leaf(block)) return 1; if (pass0_is_bad_unfm(block) && !is_bad_unfm_in_tree_once(block)) return 2; if (not_data_block(fs, block)) return 3; /* if (!was_block_used (block)) return 4; */ if (block >= get_sb_block_count(fs->fs_ondisk_sb)) return 5; return 0; } /* pointers to data block which get into tree are checked with this */ int still_bad_unfm_ptr_2(unsigned long block) { if (!block) return 0; if (is_block_used(block)) return 1; if (block >= get_sb_block_count(fs->fs_ondisk_sb)) return 1; return 0; } /* these are used to allocate blocks for tree building */ int are_there_allocable_blocks(unsigned int amout_needed) { if (reiserfs_bitmap_zeros(fsck_allocable_bitmap(fs)) < amout_needed) { unsigned int zeros = 0, i; fsck_progress ("Not enough allocable blocks, checking bitmap..."); for (i = 0; i < fsck_allocable_bitmap(fs)->bm_bit_size; i++) { if (!reiserfs_bitmap_test_bit (fsck_allocable_bitmap(fs), i)) zeros++; } fsck_progress("there are %u allocable blocks, btw\n", zeros); return 0; } return 1; } unsigned long alloc_block(void) { unsigned long block = 0; /* FIXME: start point could be used */ if (reiserfs_bitmap_find_zero_bit(fsck_allocable_bitmap(fs), &block)) { die("alloc_block: Allocable blocks counter is wrong"); return 0; } reiserfs_bitmap_set_bit(fsck_allocable_bitmap(fs), block); return block; } void make_allocable(unsigned long block) { reiserfs_bitmap_clear_bit(fsck_allocable_bitmap(fs), block); } static void choose_hash_function(reiserfs_filsys_t fs) { unsigned long max; unsigned int hash_code; int i; if (fsck_hash_defined(fs)) return; max = 0; hash_code = func2code(NULL); for (i = 0; i < fsck_data(fs)->rebuild.hash_amount; i++) { /* remember hash whihc got more hits */ if (fsck_data(fs)->rebuild.hash_hits[i] > max) { hash_code = i; max = fsck_data(fs)->rebuild.hash_hits[i]; } if (fsck_data(fs)->rebuild.hash_hits[i]) fsck_log ("%lu directory entries were hashed with %s hash.\n", fsck_data(fs)->rebuild.hash_hits[i], code2name(i)); } if (max == 0 || hash_code == 0) { /* no names were found. take either super block value or default */ hash_code = get_sb_hash_code(fs->fs_ondisk_sb); if (!hash_code) hash_code = DEFAULT_HASH; fsck_log("Could not find a hash in use. Using %s\n", code2name(hash_code)); } /* compare the most appropriate hash with the hash set in super block */ if (hash_code != get_sb_hash_code(fs->fs_ondisk_sb)) { fsck_progress ("Selected hash (%s) does not match to the hash set in the super block (%s).\n", code2name(hash_code), code2name(get_sb_hash_code(fs->fs_ondisk_sb))); set_sb_hash_code(fs->fs_ondisk_sb, hash_code); } fsck_progress("\t%s hash is selected\n", code2name(hash_code)); reiserfs_hash(fs) = code2func(hash_code); } /* create bitmap of blocks the tree is to be built off */ /* debugreiserfs and pass0 should share this code -s should show the same as we could recover - test: zero first 32M */ static void init_source_bitmap(reiserfs_filsys_t fs) { FILE *fp; unsigned long block_count = get_sb_block_count(fs->fs_ondisk_sb); unsigned long i, j; unsigned long tmp; unsigned long block, reserved, bits_amount; switch (fsck_data(fs)->rebuild.scan_area) { case ALL_BLOCKS: fsck_source_bitmap(fs) = reiserfs_create_bitmap(block_count); reiserfs_bitmap_fill(fsck_source_bitmap(fs)); fsck_progress ("The whole partition (%u blocks) is to be scanned\n", reiserfs_bitmap_ones(fsck_source_bitmap(fs))); break; case USED_BLOCKS: fsck_progress("Loading on-disk bitmap .. "); fsck_source_bitmap(fs) = reiserfs_create_bitmap(block_count); reiserfs_bitmap_copy(fsck_source_bitmap(fs), fs->fs_bitmap2); fsck_progress("ok, %u blocks marked used\n", reiserfs_bitmap_ones(fsck_source_bitmap(fs))); break; case EXTERN_BITMAP: fp = fopen(fsck_data(fs)->rebuild.bitmap_file_name, "r"); if (!fp) { reiserfs_exit(EXIT_OPER, "Could not load bitmap: %s\n", strerror(errno)); } fsck_source_bitmap(fs) = reiserfs_bitmap_load(fp); if (!fsck_source_bitmap(fs)) { reiserfs_exit(EXIT_OPER, "Could not load fitmap from \"%s\"", fsck_data(fs)->rebuild.bitmap_file_name); } fsck_progress("%u blocks marked used in extern bitmap\n", reiserfs_bitmap_ones(fsck_source_bitmap(fs))); fclose(fp); break; default: reiserfs_panic("No area to scan specified"); } tmp = 0; /* unmark bitmaps */ block = fs->fs_super_bh->b_blocknr + 1; reserved = fsck_source_bitmap(fs)->bm_bit_size; for (i = 0; i < reiserfs_fs_bmap_nr(fs); i++) { if (!reiserfs_bitmap_test_bit(fsck_source_bitmap(fs), block)) { /* bitmap is definitely broken, mark all blocks of this bitmap block as used */ bits_amount = (reserved < fs->fs_blocksize * 8) ? reserved : fs->fs_blocksize * 8; fsck_log ("%s: Bitmap %lu (of %lu bits) is wrong - mark all blocks [%lu - %lu] as used\n", __FUNCTION__, i, bits_amount, i * fs->fs_blocksize * 8, fs->fs_blocksize * 8 * i + bits_amount); for (j = i * fs->fs_blocksize * 8; j < i * fs->fs_blocksize * 8 + bits_amount; j++) { if (!reiserfs_bitmap_test_bit (fsck_source_bitmap(fs), j)) reiserfs_bitmap_set_bit (fsck_source_bitmap(fs), j); } } reiserfs_bitmap_clear_bit(fsck_source_bitmap(fs), block); reserved -= fs->fs_blocksize * 8; tmp++; /* next block fo bitmap */ if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } /* pass 0 will skip super block and journal areas and bitmap blocks, find how many blocks have to be read */ for (i = 0; i <= fs->fs_super_bh->b_blocknr; i++) { if (!reiserfs_bitmap_test_bit(fsck_source_bitmap(fs), i)) continue; reiserfs_bitmap_clear_bit(fsck_source_bitmap(fs), i); tmp++; } /* unmark journal area as used if journal is standard or it is non standard and initialy has been created on a main device */ reserved = get_size_of_journal_or_reserved_area(fs->fs_ondisk_sb); /* where does journal area (or reserved journal area) start from */ if (!is_new_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) && !is_old_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) die("init_source_bitmap: Wrong super block location, you must run --rebuild-sb."); block = get_journal_start_must(fs); for (i = block; i < reserved + block; i++) { if (!reiserfs_bitmap_test_bit(fsck_source_bitmap(fs), i)) continue; reiserfs_bitmap_clear_bit(fsck_source_bitmap(fs), i); tmp++; } if (fs->fs_badblocks_bm) for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) reiserfs_bitmap_clear_bit(fsck_source_bitmap (fs), i); } fsck_source_bitmap(fs)->bm_set_bits = reiserfs_bitmap_ones(fsck_source_bitmap(fs)); fsck_progress("Skipping %u blocks (super block, journal, " "bitmaps) %u blocks will be read\n", tmp, fsck_source_bitmap(fs)->bm_set_bits); } static void before_pass_0(reiserfs_filsys_t fs) { /* bitmap of blocks to be read */ init_source_bitmap(fs); /* bitmap of leaves, good and bad unformatted */ make_aux_bitmaps(fs); /* on pass0 all objectids will be marked here as used */ proper_id_map(fs) = id_map_init(); /* pass0 gathers statistics about hash hits */ hash_hits_init(fs); } static void save_pass_0_result(reiserfs_filsys_t fs) { FILE *file; int retval; /* save bitmaps with which we will be able start reiserfs from pass 1 */ file = open_file("temp_fsck_file.deleteme", "w+"); if (!file) return; reiserfs_begin_stage_info_save(file, PASS_0_DONE); reiserfs_bitmap_save(file, leaves_bitmap); reiserfs_bitmap_save(file, good_unfm_bitmap); reiserfs_bitmap_save(file, bad_unfm_bitmap); reiserfs_end_stage_info_save(file); close_file(file); retval = rename("temp_fsck_file.deleteme", state_dump_file(fs)); if (retval != 0) fsck_progress ("%s: Could not rename the temporary file temp_fsck_file.deleteme to %s", __FUNCTION__, state_dump_file(fs)); } /* file 'fp' must contain 3 bitmaps saved during last pass 0: bitmap of leaves, bitmaps of good and bad unfms*/ void load_pass_0_result(FILE * fp, reiserfs_filsys_t fs) { leaves_bitmap = reiserfs_bitmap_load(fp); good_unfm_bitmap = reiserfs_bitmap_load(fp); bad_unfm_bitmap = reiserfs_bitmap_load(fp); if (!leaves_bitmap || !good_unfm_bitmap || !bad_unfm_bitmap) fsck_exit("State dump file seems corrupted. Run without -d"); fsck_source_bitmap(fs) = leaves_bitmap; /* on pass 1 we do not need proper objectid map */ fsck_progress ("Pass 0 result loaded. %d leaves, %d/%d good/bad data blocks\n", reiserfs_bitmap_ones(leaves_bitmap), reiserfs_bitmap_ones(good_unfm_bitmap), reiserfs_bitmap_ones(bad_unfm_bitmap)); } static void after_pass_0(reiserfs_filsys_t fs) { time_t t; /* update super block: hash, objectid map, fsck state */ choose_hash_function(fs); id_map_flush(proper_id_map(fs), fs); set_sb_fs_state(fs->fs_ondisk_sb, PASS_0_DONE); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); fs->fs_dirt = 1; reiserfs_flush(fs); fsck_progress("finished\n"); stage_report(0, fs); /* free what we do not need anymore */ reiserfs_delete_bitmap(fsck_source_bitmap(fs)); fsck_source_bitmap(fs) = NULL; if (!fsck_run_one_step(fs)) { if (fsck_user_confirmed(fs, "Continue? (Yes):", "Yes\n", 1)) { /* reiserfsck continues */ fsck_source_bitmap(fs) = leaves_bitmap; return; } } else save_pass_0_result(fs); id_map_free(proper_id_map(fs)); proper_id_map(fs) = NULL; time(&t); fsck_progress("###########\n" "reiserfsck finished pass 0 at %s" "###########\n", ctime(&t)); fs->fs_dirt = 1; reiserfs_close(fs); exit(0); } void pass_0(reiserfs_filsys_t fs) { if (get_reiserfs_format(fs->fs_ondisk_sb) != fs->fs_format || get_reiserfs_format(fs->fs_ondisk_sb) == REISERFS_FORMAT_UNKNOWN) { reiserfs_exit(EXIT_OPER, "pass 0: ReiserFS format version mismatch " "found, you should run --rebuild-sb"); } fsck_progress("\nPass 0:\n"); if (fsck_log_file(fs) != stderr) /* this is just to separate warnings in the log file */ fsck_log("####### Pass 0 #######\n"); before_pass_0(fs); /* scan the partition, find leaves and correct them */ do_pass_0(fs); after_pass_0(fs); } reiserfsprogs-3.6.25/fsck/pass1.c0000644000175000001440000005506012270315306013547 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" reiserfs_bitmap_t *bad_unfm_in_tree_once_bitmap; //int step = 0; // 0 - find stat_data or any item ; 1 - find item ; 2 - already found /* allocates buffer head and copy buffer content */ struct buffer_head *make_buffer(int dev, unsigned long blocknr, int size, char *data) { struct buffer_head *bh; bh = getblk(dev, blocknr, size); if (buffer_uptodate(bh)) return bh; // die ("make_buffer: uptodate buffer found"); memcpy(bh->b_data, data, size); misc_set_bit(BH_Uptodate, (char *)&bh->b_state); return bh; } int is_item_reachable(struct item_head *ih) { return ih_reachable(ih) ? 1 : 0; } void mark_item_unreachable(struct item_head *ih) { clean_ih_flags(ih); mark_ih_unreachable(ih); if (is_indirect_ih(ih)) set_ih_free_space(ih, 0); } void mark_item_reachable(struct item_head *ih, struct buffer_head *bh) { mark_ih_reachable(ih); mark_buffer_dirty(bh); } static void stat_data_in_tree(struct buffer_head *bh, struct item_head *ih) { #if 0 __u32 objectid; objectid = get_key_objectid(&ih->ih_key); if (mark_objectid_really_used(proper_id_map(fs), objectid)) { stat_shared_objectid_found(fs); mark_objectid_really_used(shared_id_map(fs), objectid); } #endif zero_nlink(ih, ih_item_body(bh, ih)); } static char *still_bad_unfm_ptr_to_string(int val) { switch (val) { case 1: return "a leaf"; case 2: return "shared between a few files"; case 3: return "not a data block"; case 4: return "not used in on-disk bitmap"; case 5: return "out of partition boundary"; } return ""; } /* this just marks blocks pointed by an indirect item as used in the new bitmap */ static void indirect_in_tree(struct buffer_head *bh, struct item_head *ih) { unsigned int i; __le32 *unp; __u32 unfm_ptr; int ret; unp = (__le32 *) ih_item_body(bh, ih); for (i = 0; i < I_UNFM_NUM(ih); i++) { unfm_ptr = d32_get(unp, i); if (unfm_ptr == 0) continue; if ((ret = still_bad_unfm_ptr_1(unfm_ptr))) reiserfs_panic ("%s: block %lu: The file %k points to the block (%u) which is %s", __FUNCTION__, bh->b_blocknr, &ih->ih_key, unfm_ptr, still_bad_unfm_ptr_to_string(ret)); mark_block_used(unfm_ptr, 1); } } static void leaf_is_in_tree_now(struct buffer_head *bh) { item_action_t actions[] = { stat_data_in_tree, indirect_in_tree, NULL, NULL }; mark_block_used((bh)->b_blocknr, 1); for_every_item(bh, mark_item_unreachable, actions); pass_1_stat(fs)->inserted_leaves++; mark_buffer_dirty(bh); } static void insert_pointer(struct buffer_head *bh, struct reiserfs_path *path) { struct item_head *ih; char *body; int retval; struct tree_balance tb; init_tb_struct(&tb, fs, path, 0x7fff); /* fix_nodes & do_balance must work for internal nodes only */ ih = NULL; retval = fix_nodes( /*tb.transaction_handle, */ M_INTERNAL, &tb, ih); if (retval != CARRY_ON) die("insert_pointer: fix_nodes failed with retval == %d", retval); /* child_pos: we insert after position child_pos: this feature of the insert_child */ /* there is special case: we insert pointer after (-1)-st key (before 0-th key) in the parent */ if (PATH_LAST_POSITION(path) == 0 && path->pos_in_item == 0) PATH_H_B_ITEM_ORDER(path, 0) = -1; else { if (PATH_H_PPARENT(path, 0) == NULL) PATH_H_B_ITEM_ORDER(path, 0) = 0; /* PATH_H_B_ITEM_ORDER (path, 0) = PATH_H_PPARENT (path, 0) ? PATH_H_B_ITEM_ORDER (path, 0) : 0;*/ } ih = NULL; body = (char *)bh; //memmode = 0; do_balance(&tb, ih, body, M_INTERNAL, 0); leaf_is_in_tree_now(bh); } /* return 1 if left and right can be joined. 0 otherwise */ static int balance_condition_fails(struct buffer_head *left, struct buffer_head *right) { if (B_FREE_SPACE(left) >= B_CHILD_SIZE(right) - (are_items_mergeable (item_head(left, B_NR_ITEMS(left) - 1), item_head(right, 0), left->b_size) ? IH_SIZE : 0)) return 1; return 0; } /* return 1 if new can be joined with last node on the path or with its right neighbor, 0 otherwise */ static int balance_condition_2_fails(struct buffer_head *new, struct reiserfs_path *path) { struct buffer_head *bh; struct reiserfs_key *right_dkey; int pos, used_space; bh = PATH_PLAST_BUFFER(path); if (balance_condition_fails(bh, new)) /* new node can be joined with last buffer on the path */ return 1; /* new node can not be joined with its left neighbor */ right_dkey = uget_rkey(path); if (right_dkey == NULL) /* there is no right neighbor */ return 0; pos = PATH_H_POSITION(path, 1); if (pos == B_NR_ITEMS(bh = PATH_H_PBUFFER(path, 1))) { /* we have to read parent of right neighbor. For simplicity we call search_by_key, which will read right neighbor as well */ INITIALIZE_REISERFS_PATH(path_to_right_neighbor); if (reiserfs_search_by_key_4 (fs, right_dkey, &path_to_right_neighbor) != ITEM_FOUND) reiserfs_panic ("%s: block %lu, pointer %d: The left delimiting key %k of the block (%lu) is wrong," "the item cannot be found", __FUNCTION__, PATH_H_PBUFFER(path, 1)->b_blocknr, pos, right_dkey, get_dc_child_blocknr(B_N_CHILD(bh, pos + 1))); used_space = B_CHILD_SIZE(PATH_PLAST_BUFFER(&path_to_right_neighbor)); pathrelse(&path_to_right_neighbor); } else used_space = get_dc_child_size(B_N_CHILD(bh, pos + 1)); if (B_FREE_SPACE(new) >= used_space - (are_items_mergeable (item_head(new, B_NR_ITEMS(new) - 1), (struct item_head *)right_dkey, new->b_size) ? IH_SIZE : 0)) return 1; return 0; } static void get_max_buffer_key(struct buffer_head *bh, struct reiserfs_key *key) { struct item_head *ih; ih = item_head(bh, B_NR_ITEMS(bh) - 1); copy_key(key, &(ih->ih_key)); if (is_direntry_key(key)) { /* copy deh_offset 3-rd and 4-th key components of the last entry */ set_offset(KEY_FORMAT_1, key, get_deh_offset(B_I_DEH(bh, ih) + get_ih_entry_count(ih) - 1)); } else if (!is_stat_data_key(key)) /* get key of the last byte, which is contained in the item */ set_offset(key_format(key), key, get_offset(key) + get_bytes_number(ih, bh->b_size) - 1); } int tree_is_empty(void) { return (get_sb_root_block(fs->fs_ondisk_sb) == ~(__u32) 0 || get_sb_root_block(fs->fs_ondisk_sb) == 0) ? 1 : 0; } void make_single_leaf_tree(struct buffer_head *bh) { /* tree is empty, make tree root */ set_sb_root_block(fs->fs_ondisk_sb, bh->b_blocknr); set_sb_tree_height(fs->fs_ondisk_sb, 2); mark_buffer_dirty(fs->fs_super_bh); leaf_is_in_tree_now(bh); } /* inserts pointer to leaf into tree if possible. If not, marks node as uninsertable in special bitmap */ static void try_to_insert_pointer_to_leaf(struct buffer_head *new_bh) { INITIALIZE_REISERFS_PATH(path); struct buffer_head *bh; /* last path buffer */ struct reiserfs_key *first_bh_key, last_bh_key; /* first and last keys of new buffer */ struct reiserfs_key last_path_buffer_last_key, *right_dkey; int ret_value; if (tree_is_empty() == 1) { make_single_leaf_tree(new_bh); return; } first_bh_key = leaf_key(new_bh, 0); /* try to find place in the tree for the first key of the coming node */ ret_value = reiserfs_search_by_key_4(fs, first_bh_key, &path); if (ret_value == ITEM_FOUND) goto cannot_insert; /* get max key in the new node */ get_max_buffer_key(new_bh, &last_bh_key); bh = PATH_PLAST_BUFFER(&path); if (comp_keys(leaf_key(bh, 0), &last_bh_key) == 1 /* first is greater */ ) { /* new buffer falls before the leftmost leaf */ if (balance_condition_fails(new_bh, bh)) goto cannot_insert; if (uget_lkey(&path) != NULL || PATH_LAST_POSITION(&path) != 0) die("try_to_insert_pointer_to_leaf: bad search result"); path.pos_in_item = 0; goto insert; } /* get max key of buffer, that is in tree */ get_max_buffer_key(bh, &last_path_buffer_last_key); if (comp_keys(&last_path_buffer_last_key, first_bh_key) != -1 /* second is greater */ ) /* first key of new buffer falls in the middle of node that is in tree */ goto cannot_insert; right_dkey = uget_rkey(&path); if (right_dkey && comp_keys(right_dkey, &last_bh_key) != 1 /* first is greater */ ) goto cannot_insert; if (balance_condition_2_fails(new_bh, &path)) goto cannot_insert; insert: insert_pointer(new_bh, &path); goto out; cannot_insert: /* statistic */ mark_block_uninsertable(new_bh->b_blocknr); out: pathrelse(&path); return; } /* everything should be correct already in the leaf but contents of indirect items. So we only 1. zero slots pointing to a leaf 2. zero pointers to blocks which are pointed already 3. what we should do with directory entries hashed by another hash? they are deleted for now */ static void pass1_correct_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { unsigned int i, j; struct item_head *ih; __le32 *ind_item; __u32 unfm_ptr; int dirty = 0; ih = item_head(bh, 0); for (i = 0; i < B_NR_ITEMS(bh); i++, ih++) { if (is_direntry_ih(ih)) { struct reiserfs_de_head *deh; __u32 offset; char *name; int name_len; unsigned int hash_code; deh = B_I_DEH(bh, ih); offset = 0; for (j = 0; j < get_ih_entry_count(ih); j++) { name = name_in_entry(deh + j, j); name_len = name_in_entry_length(ih, deh + j, j); if ((j == 0 && is_dot(name, name_len)) || (j == 1 && is_dot_dot(name, name_len))) { continue; } hash_code = find_hash_in_use(name, name_len, get_deh_offset(deh + j), get_sb_hash_code(fs-> fs_ondisk_sb)); if (hash_code != get_sb_hash_code(fs->fs_ondisk_sb)) { fsck_log ("pass1: block %lu, item %d, entry %d: The entry \"%.*s\" of the %k is hashed with %s " "whereas proper hash is %s", bh->b_blocknr, i, j, name_len, name, &ih->ih_key, code2name(hash_code), code2name(get_sb_hash_code (fs->fs_ondisk_sb))); if (get_ih_entry_count(ih) == 1) { delete_item(fs, bh, i); fsck_log (" - the only entry - item was deleted\n"); i--; ih--; break; } else { cut_entry(fs, bh, i, j, 1); fsck_log(" - deleted\n"); j--; deh = B_I_DEH(bh, ih); continue; } } if (j && offset >= get_deh_offset(deh + j)) { fsck_log ("pass1: block %lu, item %d, entry %d: The entry " "\"%.*s\" of the %k has hash offset %lu not " "larger smaller than the previous one %lu. The " "entry is deleted.\n", bh->b_blocknr, i, j, name_len, name, &ih->ih_key, get_deh_offset(deh + j), offset); cut_entry(fs, bh, i, j, 1); j--; deh = B_I_DEH(bh, ih); continue; } offset = get_deh_offset(deh + j); } continue; } if (!is_indirect_ih(ih)) continue; /* correct indirect items */ ind_item = (__le32 *) ih_item_body(bh, ih); for (j = 0; j < I_UNFM_NUM(ih); j++) { unfm_ptr = d32_get(ind_item, j); if (!unfm_ptr) continue; /* this corruption of indirect item had to be fixed in pass0 */ if (not_data_block(fs, unfm_ptr) || unfm_ptr >= get_sb_block_count(fs->fs_ondisk_sb)) /*!was_block_used (unfm_ptr)) */ reiserfs_panic ("%s: block %lu, item %d, pointer %d: The wrong pointer (%u) in the file %K. " "Must be fixed on pass0.", __FUNCTION__, bh->b_blocknr, i, j, unfm_ptr, &ih->ih_key); /* 1. zero slots pointing to a leaf */ if (is_used_leaf(unfm_ptr)) { dirty++; d32_put(ind_item, j, 0); pass_1_stat(fs)->pointed_leaves++; continue; } /* 2. zero pointers to blocks which are pointed already */ if (is_bad_unformatted(unfm_ptr)) { /* this unformatted pointed more than once. Did we see it already? */ if (!is_bad_unfm_in_tree_once(unfm_ptr)) /* keep first reference to it and mark about that in special bitmap */ mark_bad_unfm_in_tree_once(unfm_ptr); else { /* Yes, we have seen this pointer already, zero other pointers to it. */ dirty++; d32_put(ind_item, j, 0); pass_1_stat(fs)->non_unique_pointers++; continue; } } else pass_1_stat(fs)->correct_pointers++; } } if (dirty) mark_buffer_dirty(bh); } struct si *remove_saved_item(struct si *si) { struct si *tmp = si->si_next; freemem(si->si_dnm_data); freemem(si); return tmp; } /* fsck starts creating of this bitmap on pass 1. It will then become on-disk bitmap */ static void init_new_bitmap(reiserfs_filsys_t fs) { unsigned int i; unsigned long block; unsigned long reserved; fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); /* mark_block_used skips 0, set the bit explicitly */ reiserfs_bitmap_set_bit(fsck_new_bitmap(fs), 0); /* mark other skipped blocks and super block used */ for (i = 1; i <= fs->fs_super_bh->b_blocknr; i++) mark_block_used(i, 1); /* mark bitmap blocks as used */ block = fs->fs_super_bh->b_blocknr + 1; for (i = 0; i < reiserfs_fs_bmap_nr(fs); i++) { mark_block_used(block, 1); if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } reserved = get_size_of_journal_or_reserved_area(fs->fs_ondisk_sb); /* where does journal area (or reserved journal area) start from */ if (!is_new_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) && !is_old_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) die("init_new_bitmap: Wrong super block location, you must run --rebuild-sb."); block = get_journal_start_must(fs); for (i = block; i < reserved + block; i++) mark_block_used(i, 1); if (fs->fs_badblocks_bm) for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) { if (reiserfs_bitmap_test_bit (fsck_new_bitmap(fs), i)) reiserfs_panic ("%s: The block pointer to not data area, must be fixed on the pass0.\n", __FUNCTION__); reiserfs_bitmap_set_bit(fsck_new_bitmap(fs), i); } } #if 0 /* mark journal area as used if journal is standard or it is non standard and initialy has been created on a main device */ reserved = 0; if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) reserved = get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)); if (get_sb_reserved_for_journal(fs->fs_ondisk_sb)) reserved = get_sb_reserved_for_journal(fs->fs_ondisk_sb); if (reserved) { for (i = 0; i <= reserved; i++) mark_block_used(i + get_jp_journal_1st_block(sb_jp (fs-> fs_ondisk_sb))); } #endif } /* this makes a map of blocks which can be allocated when fsck will continue */ static void find_allocable_blocks(reiserfs_filsys_t fs) { unsigned long i; fsck_progress("Looking for allocable blocks .. "); fsck_allocable_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_fill(fsck_allocable_bitmap(fs)); /* find how many leaves are not pointed by any indirect items */ for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (not_data_block(fs, i)) /* journal (or reserved for it area), bitmaps, super block and blocks before it */ continue; if (is_good_unformatted(i) && is_bad_unformatted(i)) die("find_allocable_blocks: The block (%lu) is masr as good and as bad at once.", i); if (is_good_unformatted(i) || is_bad_unformatted(i)) { /* blocks which were pointed once or more thn onec from indirect items - they will not be allocated */ continue; } /* make allocable not leaves, not bad blocks */ if (!is_used_leaf(i) && (!fs->fs_badblocks_bm || !reiserfs_bitmap_test_bit(fs-> fs_badblocks_bm, i))) { /* this is not leaf and it is not pointed by found indirect items, so it does not contains anything valuable */ make_allocable(i); pass_1_stat(fs)->allocable_blocks++; } } fsck_progress("finished\n"); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; } static void before_pass_1(reiserfs_filsys_t fs) { /* this will become an on-disk bitmap */ init_new_bitmap(fs); /* bitmap of leaves which could not be inserted on pass 1. FIXME: no need to have 1 bit per block */ fsck_uninsertables(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_fill(fsck_uninsertables(fs)); /* find blocks which can be allocated */ find_allocable_blocks(fs); /* bitmap of bad unformatted nodes which are in the tree already */ bad_unfm_in_tree_once_bitmap = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); /* pass 1 does not deal with objectid */ } static void save_pass_1_result(reiserfs_filsys_t fs) { FILE *file; int retval; file = open_file("temp_fsck_file.deleteme", "w+"); if (!file) return; /* to be able to get a new bitmap on pass2 we should flush it on disk new_bitmap should not be flushed on disk if run without -d option, as if fsck fails on pass1 we get wrong bitmap on the next fsck start */ reiserfs_flush_to_ondisk_bitmap(fsck_new_bitmap(fs), fs); /* to be able to restart with pass 2 we need bitmap of uninsertable blocks and bitmap of alocable blocks */ reiserfs_begin_stage_info_save(file, PASS_1_DONE); reiserfs_bitmap_save(file, fsck_uninsertables(fs)); reiserfs_bitmap_save(file, fsck_allocable_bitmap(fs)); reiserfs_end_stage_info_save(file); close_file(file); retval = rename("temp_fsck_file.deleteme", state_dump_file(fs)); if (retval != 0) fsck_progress ("pass 1: Could not rename the temporary file temp_fsck_file.deleteme to %s", state_dump_file(fs)); } void load_pass_1_result(FILE * fp, reiserfs_filsys_t fs) { fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_new_bitmap(fs), fs->fs_bitmap2); fsck_uninsertables(fs) = reiserfs_bitmap_load(fp); fsck_allocable_bitmap(fs) = reiserfs_bitmap_load(fp); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; if (!fsck_new_bitmap(fs) || !fsck_allocable_bitmap(fs) || !fsck_allocable_bitmap(fs)) fsck_exit("State dump file seems corrupted. Run without -d"); /* we need objectid map on pass 2 to be able to relocate files */ proper_id_map(fs) = id_map_init(); /* Not implemented yet. fetch_objectid_map (proper_id_map (fs), fs); */ fsck_progress("Pass 1 result loaded. %u blocks used, %u allocable, " "still to be inserted %u\n", reiserfs_bitmap_ones(fsck_new_bitmap(fs)), reiserfs_bitmap_zeros(fsck_allocable_bitmap(fs)), reiserfs_bitmap_zeros(fsck_uninsertables(fs))); } /* reads blocks marked in leaves_bitmap and tries to insert them into tree */ static void do_pass_1(reiserfs_filsys_t fs) { struct buffer_head *bh; unsigned long i; int what_node; unsigned long done = 0, total; /* on pass0 we have found that amount of leaves */ total = reiserfs_bitmap_ones(leaves_bitmap); /* read all leaves found on the pass 0 */ for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!is_used_leaf(i)) continue; print_how_far(fsck_progress_file(fs), &done, total, 1, fsck_quiet(fs)); /* at least one of nr_to_read blocks is to be checked */ bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { /* we were reading one block at time, and failed, so mark block bad */ fsck_progress ("pass1: Reading of the block %lu failed\n", i); continue; } what_node = who_is_this(bh->b_data, bh->b_size); if (what_node != THE_LEAF) { check_memory_msg(); die("build_the_tree: Nothing but leaves are expected. Block %lu - %s\n", i, which_block(what_node)); } if (is_block_used(i) && !(block_of_journal(fs, i) && fsck_data(fs)->rebuild. use_journal_area)) /* block is in new tree already */ die("build_the_tree: The leaf (%lu) is in the tree already\n", i); /* fprintf (block_list, "leaf %d\n", i + j); */ pass_1_stat(fs)->leaves++; /* the leaf may still contain indirect items with wrong slots. Fix that */ pass1_correct_leaf(fs, bh); if (get_blkh_nr_items(B_BLK_HEAD(bh)) == 0) { /* all items were deleted on pass 0 or pass 1 */ mark_buffer_clean(bh); brelse(bh); continue; } if (is_leaf_bad(bh)) { /* FIXME: will die */ fsck_log ("is_leaf_bad: WARNING: The leaf (%lu) is formatted badly. Will be handled on the the pass2.\n", bh->b_blocknr); mark_block_uninsertable(bh->b_blocknr); brelse(bh); continue; } if (block_of_journal(fs, i) && fsck_data(fs)->rebuild.use_journal_area) { /* FIXME: temporary thing */ if (tree_is_empty()) { /* we insert inot tree only first leaf of journal */ unsigned long block; struct buffer_head *new_bh; block = alloc_block(); if (!block) die("could not allocate block"); new_bh = getblk(bh->b_dev, block, bh->b_size); memcpy(new_bh->b_data, bh->b_data, bh->b_size); mark_buffer_uptodate(new_bh, 1); mark_buffer_dirty(new_bh); make_single_leaf_tree(new_bh); brelse(new_bh); brelse(bh); continue; } /* other blocks of journal will be inserted in pass 2 */ mark_block_uninsertable(bh->b_blocknr); brelse(bh); continue; } try_to_insert_pointer_to_leaf(bh); brelse(bh); } fsck_progress("\n"); } static void after_pass_1(reiserfs_filsys_t fs) { time_t t; /* update fsck_state */ /* we should not flush bitmaps on disk after pass1, because new_bitmap contains only those blocks which are good leaves or just allocated internal blocks. */ set_sb_fs_state(fs->fs_ondisk_sb, PASS_1_DONE); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); fs->fs_dirt = 1; reiserfs_flush(fs); fsck_progress("finished\n"); stage_report(1, fs); /* we do not need this anymore */ delete_aux_bitmaps(); reiserfs_delete_bitmap(bad_unfm_in_tree_once_bitmap); if (!fsck_run_one_step(fs)) { if (fsck_user_confirmed(fs, "Continue? (Yes):", "Yes\n", 1)) /* reiserfsck continues */ return; } else save_pass_1_result(fs); if (proper_id_map(fs)) { /* when we run pass 1 only - we do not have proper_id_map */ id_map_free(proper_id_map(fs)); proper_id_map(fs) = NULL; } time(&t); fsck_progress("###########\n" "reiserfsck finished pass 1 at %s" "###########\n", ctime(&t)); fs->fs_dirt = 1; reiserfs_close(fs); exit(0); } void pass_1(reiserfs_filsys_t fs) { fsck_progress("\nPass 1 (will try to insert %lu leaves):\n", reiserfs_bitmap_ones(fsck_source_bitmap(fs))); if (fsck_log_file(fs) != stderr) fsck_log("####### Pass 1 #######\n"); before_pass_1(fs); /* try to insert leaves found during pass 0 */ do_pass_1(fs); after_pass_1(fs); } reiserfsprogs-3.6.25/fsck/pass2.c0000644000175000001440000004465112725324133013557 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" /* on pass2 we take leaves which could not be inserted into tree during pass1 and insert each item separately. It is possible that items of different objects with the same key can be found. We treat that in the following way: we put it into tree with new key and link it into /lost+found directory with name made of dir,oid. When coming item is a directory - we delete object from the tree, put it back with different key, link it to /lost+found directory and insert directory as it is */ /* relocation rules: we have an item (it is taken from "non-insertable" leaf). It has original key yet. We check to see if object with this key is remapped. Object can be only remapped if it is not a piece of directory */ /* in list of this structures we store what has been relocated. */ struct relocated { unsigned long old_dir_id; unsigned long old_objectid; unsigned long new_objectid; struct relocated *next; }; /* all relocated files will be linked into lost+found directory at the beginning of semantic pass */ static struct relocated *relocated_list = NULL; static __u32 get_relocated_objectid_from_list(const struct reiserfs_key *key) { struct relocated *cur = relocated_list; while (cur) { if (cur->old_dir_id == get_key_dirid(key) && cur->old_objectid == get_key_objectid(key)) /* object is relocated already */ return cur->new_objectid; cur = cur->next; } return 0; } /* return objectid the object has to be remapped with */ __u32 objectid_for_relocation(const struct reiserfs_key * key) { struct relocated *cur; __u32 cur_id; if ((cur_id = get_relocated_objectid_from_list(key)) != 0) return cur_id; cur = getmem(sizeof(struct relocated)); cur->old_dir_id = get_key_dirid(key); cur->old_objectid = get_key_objectid(key); cur->new_objectid = id_map_alloc(proper_id_map(fs)); cur->next = relocated_list; relocated_list = cur; /* fsck_log ("relocation: (%K) is relocated to (%lu, %lu)\n", key, get_key_dirid (key), cur->new_objectid);*/ return cur->new_objectid; } /* relocated files get added into lost+found with slightly different names */ static __u64 link_one(struct relocated *file) { char *name; struct reiserfs_key obj_key; __u64 len = 0; asprintf(&name, "%lu,%lu", file->old_dir_id, file->new_objectid); set_key_dirid(&obj_key, file->old_dir_id); set_key_objectid(&obj_key, file->new_objectid); /* 0 for fsck_need does not mean too much - it would make effect if there * were no this directory yet. But /lost_found is there already */ len = reiserfs_add_entry(fs, &lost_found_dir_key, name, name_length(name, lost_found_dir_format), &obj_key, 0 /*fsck_need */ ); pass_2_stat(fs)->relocated++; free(name); return len; } void linked_already(const struct reiserfs_key *new_key /*, link_func_t link_func */ ) { struct relocated *cur = relocated_list; struct relocated *prev = NULL; while (cur) { if (cur->old_dir_id == get_key_dirid(new_key) && cur->new_objectid == get_key_objectid(new_key)) break; prev = cur; cur = cur->next; } if (cur) { /* len = link_func(cur); */ if (prev) prev->next = cur->next; else relocated_list = cur->next; freemem(cur); } } void link_relocated_files(void) { struct relocated *tmp; int count; count = 0; while (relocated_list) { link_one(relocated_list); tmp = relocated_list; relocated_list = relocated_list->next; freemem(tmp); count++; } } /* this item is in tree. All unformatted pointer are correct. Do not check them */ void save_item(struct si **head, struct item_head *ih, char *item, __u32 blocknr) { struct si *si, *cur; si = getmem(sizeof(*si)); si->si_dnm_data = getmem(get_ih_item_len(ih)); /*si->si_blocknr = blocknr; */ memcpy(&(si->si_ih), ih, IH_SIZE); memcpy(si->si_dnm_data, item, get_ih_item_len(ih)); if (*head == NULL) *head = si; else { cur = *head; while (cur->si_next) cur = cur->si_next; cur->si_next = si; } return; } struct si *save_and_delete_file_item(struct si *si, struct reiserfs_path *path) { struct buffer_head *bh = PATH_PLAST_BUFFER(path); struct item_head *ih = tp_item_head(path); save_item(&si, ih, ih_item_body(bh, ih), bh->b_blocknr); /* delete item temporary - do not free unformatted nodes */ reiserfsck_delete_item(path, 1 /*temporary */ ); return si; } /* check whether there are any directory items with this key */ int should_relocate(struct item_head *ih) { struct reiserfs_key key; const struct reiserfs_key *rkey; struct reiserfs_path path; struct item_head *path_ih; /* starting with the leftmost item with this key */ key = ih->ih_key; set_type_and_offset(KEY_FORMAT_1, &key, SD_OFFSET, TYPE_STAT_DATA); while (1) { reiserfs_search_by_key_4(fs, &key, &path); if (get_item_pos(&path) == B_NR_ITEMS(get_bh(&path))) { rkey = uget_rkey(&path); if (rkey && !not_of_one_file(&key, rkey)) { /* file continues in the right neighbor */ key = *rkey; pathrelse(&path); continue; } /* there is no more items with this key */ pathrelse(&path); break; } path_ih = tp_item_head(&path); if (not_of_one_file(&key, &(path_ih->ih_key))) { /* there are no more item with this key */ pathrelse(&path); break; } if (is_stat_data_ih(path_ih)) { fix_obviously_wrong_sd_mode(&path); if (ih_checked(path_ih)) { /* we have checked it already */ pathrelse(&path); if (get_relocated_objectid_from_list (&path_ih->ih_key)) return 1; /* it was relocated */ break; } else { mark_ih_checked(path_ih); mark_buffer_dirty(get_bh(&path)); } } /* ok, item found, but make sure that it is not a directory one */ if ((is_stat_data_ih(path_ih) && !not_a_directory(tp_item_body(&path))) || (is_direntry_ih(path_ih))) { /* item of directory found. so, we have to relocate the file */ pathrelse(&path); return 1; } key = path_ih->ih_key; set_offset(KEY_FORMAT_1, &key, get_offset(&key) + 1); pathrelse(&path); } return 0; } /* this works for both new and old stat data */ #define st_mode(sd) le16_to_cpu(((struct stat_data *)(sd))->sd_mode) #define st_mtime_v1(sd) le32_to_cpu(((struct stat_data_v1 *)(sd))->sd_mtime) #define st_mtime_v2(sd) le32_to_cpu(((struct stat_data *)(sd))->sd_mtime) /* either both sd-s are new of both are old */ static void overwrite_stat_data(struct item_head *new_ih, void *new_item, struct reiserfs_path *path) { __u16 new_mode, old_mode; get_sd_mode(new_ih, new_item, &new_mode); get_sd_mode(tp_item_head(path), tp_item_body(path), &old_mode); if (S_ISREG(new_mode) && !S_ISREG(old_mode)) { /* in tree we have not regular file - overwrite its stat data with stat data of regular file */ memcpy(tp_item_body(path), new_item, get_ih_item_len(tp_item_head(path))); mark_buffer_dirty(get_bh(path)); return; } if (S_ISREG(old_mode) && !S_ISREG(new_mode)) { /* new stat data is not a stat data of regular file, keep regular file stat data in tree */ return; } /* if coming stat data has newer mtime - use that */ if (stat_data_v1(new_ih)) { if (st_mtime_v1(new_item) > st_mtime_v1(tp_item_body(path))) { memcpy(tp_item_body(path), new_item, SD_V1_SIZE); mark_buffer_dirty(get_bh(path)); } } else { if (st_mtime_v2(new_item) > st_mtime_v2(tp_item_body(path))) { memcpy(tp_item_body(path), new_item, SD_SIZE); mark_buffer_dirty(get_bh(path)); } } return; } /* insert sd item if it does not exist, overwrite it otherwise */ static void put_sd_into_tree(struct item_head *new_ih, char *new_item) { struct reiserfs_path path; if (!not_a_directory(new_item)) { /* new item is a stat data of a directory. So we have to relocate all items which have the same short key and are of not a directory */ rewrite_file(new_ih, 1, 0 /*do not change new_ih */ ); } else { /* new item is a stat data of something else but directory. If there are items of directory - we have to relocate the file */ if (should_relocate(new_ih)) rewrite_file(new_ih, 1, 1 /*change new_ih */ ); } /* if we will have to insert item into tree - it is ready */ zero_nlink(new_ih, new_item); mark_item_unreachable(new_ih); /* we are sure now that if we are inserting stat data of a directory - there are no items with the same key which are not items of a directory, and that if we are inserting stat data is of not a directory - it either has new key already or there are no items with this key which are items of a directory */ if (reiserfs_search_by_key_4(fs, &(new_ih->ih_key), &path) == ITEM_FOUND) { /* this stat data is found */ if (get_ih_key_format(tp_item_head(&path)) != get_ih_key_format(new_ih)) { /* in tree stat data and a new one are of different formats */ fsck_log ("put_sd_into_tree: Inserting the StatData %K, mode (%M)...", &(new_ih->ih_key), st_mode(new_item)); if (stat_data_v1(new_ih)) { /* sd to be inserted is of V1, where as sd in the tree is of V2 */ fsck_log ("found newer in the tree, mode (%M), insersion was skipped.\n", st_mode(tp_item_body(&path))); pathrelse(&path); } else { /* the stat data in the tree is sd_v1 */ fsck_log ("older sd, mode (%M), is replaced with it.\n", st_mode(tp_item_body(&path))); reiserfsck_delete_item(&path, 0 /*not temporary */ ); reiserfs_search_by_key_4(fs, &new_ih->ih_key, &path); reiserfsck_insert_item(&path, new_ih, new_item); } } else { /* both stat data are of the same version */ overwrite_stat_data(new_ih, new_item, &path); pathrelse(&path); } return; } /* item not found, insert a new one */ reiserfsck_insert_item(&path, new_ih, new_item); } /* this tries to put each item entry to the tree, if there is no items of the directory, insert item containing 1 entry */ static void put_directory_item_into_tree(struct item_head *comingih, char *item) { struct reiserfs_de_head *deh; int i; char *buf; char *name; int namelen; /* if there are anything with this key but a directory - move it somewhere else */ rewrite_file(comingih, 1, 0 /* do not change ih */ ); deh = (struct reiserfs_de_head *)item; for (i = 0; i < get_ih_entry_count(comingih); i++, deh++) { name = name_in_entry(deh, i); namelen = name_in_entry_length(comingih, deh, i); if (!is_properly_hashed(fs, name, namelen, get_deh_offset(deh))) reiserfs_panic ("put_directory_item_into_tree: The entry (%d) \"%.*s\" of the directory %k has" " badly hashed entry", i, namelen, name, &comingih->ih_key); asprintf(&buf, "%.*s", namelen, name); /* 1 for fsck is important: if there is no any items of this directory in the tree yet - new item will be inserted marked not reached */ reiserfs_add_entry(fs, &(comingih->ih_key), buf, entry_length(comingih, deh, i), (struct reiserfs_key *)&(deh->deh2_dir_id), 1 << IH_Unreachable); free(buf); } } void insert_item_separately(struct item_head *ih, char *item, int was_in_tree) { if (get_key_dirid(&ih->ih_key) == get_key_objectid(&ih->ih_key)) reiserfs_panic ("insert_item_separately: The item being inserted has the bad key %H", ih); if (is_stat_data_ih(ih)) { put_sd_into_tree(ih, item); } else if (is_direntry_ih(ih)) { put_directory_item_into_tree(ih, item); } else { reiserfsck_file_write(ih, item, was_in_tree); } } static void put_stat_data_items(struct buffer_head *bh) { int i; struct item_head *ih; ih = item_head(bh, 0); for (i = 0; i < B_NR_ITEMS(bh); i++, ih++) { /* this check instead of saved_items */ if (!is_stat_data_ih(ih) || is_bad_item(bh, ih, ih_item_body(bh, ih))) { continue; } insert_item_separately(ih, ih_item_body(bh, ih), 0 /*was in tree */ ); } } static void put_not_stat_data_items(struct buffer_head *bh) { int i; struct item_head *ih; ih = item_head(bh, 0); for (i = 0; i < B_NR_ITEMS(bh); i++, ih++) { if (is_stat_data_ih(ih) || is_bad_item(bh, ih, ih_item_body(bh, ih))) { continue; } insert_item_separately(ih, ih_item_body(bh, ih), 0 /*was in tree */ ); } } static void before_pass_2(reiserfs_filsys_t fs) { /* anything specific for pass 2 ? */ } static void save_pass_2_result(reiserfs_filsys_t fs) { FILE *file; int retval; file = open_file("temp_fsck_file.deleteme", "w+"); if (!file) return; /* to be able to restart from semantic we do not need to save anything here, but two magic values */ reiserfs_begin_stage_info_save(file, TREE_IS_BUILT); reiserfs_end_stage_info_save(file); close_file(file); retval = rename("temp_fsck_file.deleteme", state_dump_file(fs)); if (retval != 0) fsck_progress ("%s: Could not rename the temporary file temp_fsck_file.deleteme to %s", __FUNCTION__, state_dump_file(fs)); } /* we have nothing to load from a state file, but we have to fetch on-disk bitmap, copy it to allocable bitmap, and fetch objectid map */ void load_pass_2_result(reiserfs_filsys_t fs) { fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_new_bitmap(fs), fs->fs_bitmap2); fsck_allocable_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_allocable_bitmap(fs), fs->fs_bitmap2); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; /* we need objectid map on semantic pass to be able to relocate files */ proper_id_map(fs) = id_map_init(); /* Not implemented yet. fetch_objectid_map (proper_id_map (fs), fs); */ } /* uninsertable blocks are marked by 0s in uninsertable_leaf_bitmap during the pass 1. They must be not in the tree */ static void do_pass_2(reiserfs_filsys_t fs) { struct buffer_head *bh; unsigned long j; int i, what_node; unsigned long done = 0, total; total = reiserfs_bitmap_zeros(fsck_uninsertables(fs)) * 2; if (!total) return; fsck_progress("\nPass 2:\n"); for (i = 0; i < 2; i++) { j = 0; while ((j < fsck_uninsertables(fs)->bm_bit_size) && reiserfs_bitmap_find_zero_bit(fsck_uninsertables(fs), &j) == 0) { bh = bread(fs->fs_dev, j, fs->fs_blocksize); if (bh == NULL) { fsck_log ("pass_2: Reading of the block (%lu) failed on the device 0x%x\n", j, fs->fs_dev); goto cont; } if (is_block_used(bh->b_blocknr) && !(block_of_journal(fs, bh->b_blocknr) && fsck_data(fs)->rebuild.use_journal_area)) { fsck_log ("%s: The block (%lu) is in the tree already. Should not happen.\n", __FUNCTION__, bh->b_blocknr); goto cont; } /* this must be leaf */ what_node = who_is_this(bh->b_data, bh->b_size); if (what_node != THE_LEAF) { // || B_IS_KEYS_LEVEL(bh)) { fsck_log ("%s: The block (%b), marked as a leaf on the first two passes, " "is not a leaf! Will be skipped.\n", __FUNCTION__, bh); goto cont; } /* fsck_log ("block %lu is being inserted\n", bh->b_blocknr); check_buffers_mem(fsck_log_file (fs)); fflush(fsck_log_file (fs)); */ if (i) { /* insert all not SD items */ put_not_stat_data_items(bh); pass_2_stat(fs)->leaves++; make_allocable(j); } else /* insert SD items only */ put_stat_data_items(bh); print_how_far(fsck_progress_file(fs), &done, total, 1, fsck_quiet(fs)); cont: brelse(bh); j++; } } fsck_progress("\n"); } static void after_pass_2(reiserfs_filsys_t fs) { time_t t; /* we can now flush new_bitmap on disk as tree is built and contains all data, which were found on dik at start in used bitmaps */ reiserfs_bitmap_copy(fs->fs_bitmap2, fsck_new_bitmap(fs)); /* we should copy new_bitmap to allocable bitmap, becuase evth what is used for now (marked as used in new_bitmap) should not be allocablel; and what is not in tree for now should be allocable. these bitmaps differ because on pass2 we skip those blocks, whose SD's are not in the tree, and therefore indirect items of such bad leaves points to not used and not allocable blocks. */ /* DEBUG only */ /* if (reiserfs_bitmap_compare (fsck_allocable_bitmap (fs), fsck_new_bitmap(fs))) { fsck_log ("Allocable bitmap differs from the new bitmap after pass2\n"); reiserfs_bitmap_copy (fsck_allocable_bitmap(fs), fsck_new_bitmap (fs)); } */ /* update super block: objectid map, fsck state */ set_sb_fs_state(fs->fs_ondisk_sb, TREE_IS_BUILT); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); id_map_flush(proper_id_map(fs), fs); fs->fs_dirt = 1; reiserfs_flush_to_ondisk_bitmap(fs->fs_bitmap2, fs); reiserfs_flush(fs); fsck_progress("finished\n"); /* fixme: should be optional */ /* fsck_progress ("Tree is built. Checking it - "); reiserfsck_check_pass1 (); fsck_progress ("finished\n");*/ stage_report(2, fs); /* free what we do not need anymore */ reiserfs_delete_bitmap(fsck_uninsertables(fs)); if (!fsck_run_one_step(fs)) { if (fsck_user_confirmed(fs, "Continue? (Yes):", "Yes\n", 1)) /* reiserfsck continues */ return; } else save_pass_2_result(fs); id_map_free(proper_id_map(fs)); proper_id_map(fs) = NULL; reiserfs_delete_bitmap(fsck_new_bitmap(fs)); reiserfs_delete_bitmap(fsck_allocable_bitmap(fs)); time(&t); fsck_progress("###########\n" "reiserfsck finished pass 2 at %s" "###########\n", ctime(&t)); fs->fs_dirt = 1; reiserfs_close(fs); exit(0); } void pass_2(reiserfs_filsys_t fs) { if (fsck_log_file(fs) != stderr) fsck_log("####### Pass 2 #######\n"); before_pass_2(fs); /* take blocks which were not inserted into tree yet and put each item separately */ do_pass_2(fs); after_pass_2(fs); if (get_sb_root_block(fs->fs_ondisk_sb) == ~(__u32) 0 || get_sb_root_block(fs->fs_ondisk_sb) == 0) die("\nNo reiserfs metadata found. If you are sure that you had the reiserfs\n" "on this partition, then the start of the partition might be changed\n" "or all data were wiped out. The start of the partition may get changed\n" "by a partitioner if you have used one. Then you probably rebuilt the\n" "superblock as there was no one. Zero the block at 64K offset from the\n" "start of the partition (a new super block you have just built) and try\n" "to move the start of the partition a few cylinders aside and check if\n" "debugreiserfs /dev/xxx detects a reiserfs super block. If it does this\n" "is likely to be the right super block version. \n"); } reiserfsprogs-3.6.25/fsck/semantic_check.c0000644000175000001440000006074612310423334015463 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by reiserfsprogs/README */ #include "fsck.h" static struct reiserfs_key *trunc_links = NULL; static __u32 links_num = 0; int wrong_mode(const struct reiserfs_key *key, __u16 * mode, __u64 real_size, int symlink); int wrong_st_blocks(const struct reiserfs_key *key, __u32 * blocks, __u32 sd_blocks, __u16 mode, int new_format); int wrong_st_size(const struct reiserfs_key *key, unsigned long long max_file_size, int blocksize, __u64 * size, __u64 sd_size, int type); int wrong_first_direct_byte(const struct reiserfs_key *key, int blocksize, __u32 * first_direct_byte, __u32 sd_first_direct_byte, __u32 size); void get_object_key(struct reiserfs_de_head *deh, struct reiserfs_key *key, struct reiserfs_key *entry_key, struct item_head *ih); void print_name(char *name, int len); void erase_name(int len); struct reiserfs_path_key { struct short_key { __u32 k_dir_id; __u32 k_objectid; } key; struct reiserfs_path_key *next, *prev; }; static struct reiserfs_path_key *head_key = NULL; static struct reiserfs_path_key *tail_key = NULL; static int check_path_key(const struct reiserfs_key *key) { struct reiserfs_path_key *cur = head_key; while (cur != NULL) { if (!comp_short_keys(&cur->key, key)) { fsck_log ("\nsemantic check: The directory %k has 2 names.", key); return LOOP_FOUND; } cur = cur->next; } return 0; } static int add_path_key(const struct reiserfs_key *key) { if (check_path_key(key)) return LOOP_FOUND; if (tail_key == NULL) { tail_key = getmem(sizeof(struct reiserfs_path_key)); head_key = tail_key; tail_key->prev = NULL; } else { tail_key->next = getmem(sizeof(struct reiserfs_path_key)); tail_key->next->prev = tail_key; tail_key = tail_key->next; } copy_short_key(&tail_key->key, key); tail_key->next = NULL; return 0; } static void del_path_key(void) { if (tail_key == NULL) die("Wrong path_key structure"); if (tail_key->prev == NULL) { freemem(tail_key); tail_key = head_key = NULL; } else { tail_key = tail_key->prev; freemem(tail_key->next); tail_key->next = NULL; } } /* path is path to stat data. If file will be relocated - new_ih will contain a key file was relocated with */ static int check_check_regular_file(struct reiserfs_path *path, void *sd, struct item_head *new_ih) { int is_new_file; // struct reiserfs_key key, sd_key; __u16 mode; __u32 nlink; __u64 real_size, sd_size; __u32 blocks, sd_blocks; /* proper values and value in stat data */ __u32 first_direct_byte, sd_first_direct_byte; struct item_head *ih, sd_ih; int fix_sd; int symlnk = 0; int retval = OK; __u32 tmp_position; ih = tp_item_head(path); if (new_ih) { /* this objectid is used already */ *new_ih = *ih; pathrelse(path); rewrite_file(new_ih, 1, 1); linked_already(&new_ih->ih_key); one_less_corruption(fs, FIXABLE); sem_pass_stat(fs)->oid_sharing_files_relocated++; retval = RELOCATED; if (reiserfs_search_by_key_4(fs, &(new_ih->ih_key), path) == ITEM_NOT_FOUND) reiserfs_panic ("check_check_regular_file: Could not find a StatData of " "the relocated file %K", &new_ih->ih_key); /* stat data is marked unreachable again due to relocation, fix that */ ih = tp_item_head(path); sd = tp_item_body(path); } if (get_ih_item_len(ih) == SD_SIZE) is_new_file = 1; else is_new_file = 0; get_sd_nlink(ih, sd, &nlink); get_sd_mode(ih, sd, &mode); get_sd_size(ih, sd, &sd_size); get_sd_blocks(ih, sd, &sd_blocks); /* if (fsck_mode (fs) == FSCK_FIX_FIXABLE) { // check and set nlink first nlink ++; set_sd_nlink (ih, sd, &nlink); mark_buffer_dirty (bh); if (nlink > 1) return OK; } */ if (!is_new_file) get_sd_first_direct_byte(ih, sd, &sd_first_direct_byte); if (S_ISLNK(mode)) symlnk = 1; sd_ih = *ih; // sd_key = sd_ih.ih_key; pathrelse(path); if (are_file_items_correct (&sd_ih, sd, &real_size, &blocks, 0 /* do not mark reachable */ , &symlnk) != 1) { one_more_corruption(fs, FATAL); fsck_log ("check_regular_file: The file %K with the corrupted structure found\n", &sd_ih.ih_key); } else { fix_sd = 0; fix_sd += wrong_mode(&sd_ih.ih_key, &mode, real_size, symlnk); if (!is_new_file) fix_sd += wrong_first_direct_byte(&sd_ih.ih_key, fs->fs_blocksize, &first_direct_byte, sd_first_direct_byte, real_size); if (reiserfs_bin_search (&sd_ih.ih_key, trunc_links, links_num, sizeof(sd_ih.ih_key), &tmp_position, comp_short_keys) != POSITION_FOUND) { fix_sd += wrong_st_size(&sd_ih.ih_key, is_new_file ? MAX_FILE_SIZE_V2 : MAX_FILE_SIZE_V1, fs->fs_blocksize, &real_size, sd_size, symlnk ? TYPE_SYMLINK : 0); } else { real_size = sd_size; } fix_sd += wrong_st_blocks(&sd_ih.ih_key, &blocks, sd_blocks, mode, is_new_file); if (fix_sd) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { struct buffer_head *bh; /* find stat data and correct it */ set_type_and_offset(KEY_FORMAT_1, &sd_ih.ih_key, SD_OFFSET, TYPE_STAT_DATA); if (reiserfs_search_by_key_4 (fs, &sd_ih.ih_key, path) != ITEM_FOUND) { fsck_log ("check_regular_file: A StatData of the file %K cannot be " "found\n", &sd_ih.ih_key); one_more_corruption(fs, FATAL); return STAT_DATA_NOT_FOUND; } bh = get_bh(path); ih = tp_item_head(path); sd = tp_item_body(path); set_sd_size(ih, sd, &real_size); set_sd_blocks(ih, sd, &blocks); set_sd_mode(ih, sd, &mode); if (!is_new_file) set_sd_first_direct_byte(ih, sd, &first_direct_byte); mark_buffer_dirty(bh); } else { fsck_check_stat(fs)->fixable_corruptions += fix_sd; } } } return retval; } /* returns buffer, containing found directory item.*/ static char *get_next_directory_item(struct reiserfs_key *key, /* on return this will contain key of next item in the tree */ const struct reiserfs_key *parent, struct item_head *ih, __u32 * pos_in_item, int dir_format) { INITIALIZE_REISERFS_PATH(path); char *dir_item; struct reiserfs_key *rdkey; struct buffer_head *bh; struct reiserfs_de_head *deh; int i; int retval; start_again: retval = reiserfs_search_by_entry_key(fs, key, &path); if (retval != POSITION_FOUND && get_offset(key) != DOT_OFFSET) reiserfs_panic ("get_next_directory_item: The current directory %k cannot be found", key); /* leaf containing directory item */ bh = PATH_PLAST_BUFFER(&path); *pos_in_item = path.pos_in_item; *ih = *tp_item_head(&path); deh = B_I_DEH(bh, ih); /* position was not found for '.' or there is no '..' */ if (retval != POSITION_FOUND || ((get_offset(key) == DOT_OFFSET) && (get_ih_entry_count(ih) < 2 || name_in_entry_length(ih, deh + 1, 1) != 2 || strncmp(name_in_entry(deh + 1, 1), "..", 2)))) { fsck_log ("get_next_directory_item: The %s %k cannot be found in %k", (retval == POSITION_NOT_FOUND) ? "entry" : "directory", key, &ih->ih_key); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { /* add "." and ".." exist */ pathrelse(&path); reiserfs_add_entry(fs, key, ".", name_length(".", dir_format), key, 0); reiserfs_add_entry(fs, key, "..", name_length("..", dir_format), parent, 0); fsck_log(" - entry was added\n"); goto start_again; } else { one_more_corruption(fs, FIXABLE); fsck_log("\n"); if (retval == DIRECTORY_NOT_FOUND) return NULL; } } /* make sure, that ".." exists as well */ /* if (get_offset (key) == DOT_OFFSET) { if (get_ih_entry_count (ih) < 2 || name_in_entry_length (ih, deh + 1, 1) != 2 || strncmp (name_in_entry (deh + 1, 1), "..", 2)) { fsck_log ("get_next_directory_item: \"..\" not found in %H\n", ih); pathrelse (&path); return 0; } } */ /* mark hidden entries as visible, set "." and ".." correctly */ deh += *pos_in_item; for (i = *pos_in_item; i < get_ih_entry_count(ih); i++, deh++) { /* int namelen; char * name; name = name_in_entry (deh, i); namelen = name_in_entry_length (ih, deh, i); if (de_hidden (deh)) // handled in check_tree reiserfs_panic ("get_next_directory_item: item %k: hidden entry %d \'%.*s\'\n", key, i, namelen, name); */ if (get_deh_offset(deh) == DOT_OFFSET) { if (not_of_one_file(&(deh->deh2_dir_id), key)) { /* "." must point to the directory it is in */ //deh->deh_objectid != REISERFS_ROOT_PARENT_OBJECTID)/*????*/ { fsck_log ("get_next_directory_item: The entry \".\" of the directory %K " "pointes to %K, instead of %K", key, (struct reiserfs_key *)(&(deh->deh2_dir_id)), key); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { set_deh_dirid(deh, get_key_dirid(key)); set_deh_objectid(deh, get_key_objectid(key)); mark_buffer_dirty(bh); fsck_log(" - corrected\n"); } else { one_more_corruption(fs, FIXABLE); fsck_log("\n"); } } } if (get_deh_offset(deh) == DOT_DOT_OFFSET) { /* set ".." so that it points to the correct parent directory */ if (comp_short_keys(&(deh->deh2_dir_id), parent)) { fsck_log ("get_next_directory_item: The entry \"..\" of the directory %K " "pointes to %K, instead of %K", key, (struct reiserfs_key *)(&(deh->deh2_dir_id))); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { set_deh_dirid(deh, get_key_dirid(parent)); set_deh_objectid(deh, get_key_objectid (parent)); mark_buffer_dirty(bh); fsck_log(" - corrected\n"); } else { one_more_corruption(fs, FIXABLE); fsck_log("\n"); } } } } /* copy directory item to the temporary buffer */ dir_item = getmem(get_ih_item_len(ih)); memcpy(dir_item, ih_item_body(bh, ih), get_ih_item_len(ih)); /* next item key */ if (PATH_LAST_POSITION(&path) == (B_NR_ITEMS(bh) - 1) && (rdkey = uget_rkey(&path))) copy_key(key, rdkey); else { set_key_dirid(key, 0); set_key_objectid(key, 0); } if (fsck_mode(fs) == FSCK_REBUILD) mark_item_reachable(tp_item_head(&path), bh); pathrelse(&path); return dir_item; } /* semantic pass of --check */ static int check_semantic_pass(struct reiserfs_key *key, const struct reiserfs_key *parent, int dot_dot, struct item_head *new_ih) { struct reiserfs_path path; void *sd; __u32 nlink; int is_new_dir; struct buffer_head *bh; struct item_head *ih; int retval; char *dir_item; __u32 pos_in_item; struct item_head tmp_ih; struct reiserfs_key next_item_key, entry_key, object_key; __u64 dir_size = 0; __u32 blocks; __u64 sd_size; __u32 sd_blocks; int fix_sd; /*int relocate; */ int dir_format = 0; __u16 mode; retval = OK; /* start_again: when directory was relocated */ if (!KEY_IS_STAT_DATA_KEY(key)) { fsck_log ("check_semantic_pass: The key %k must be key of a StatData\n", key); one_more_corruption(fs, FATAL); return STAT_DATA_NOT_FOUND; } /* look for stat data of an object */ if (reiserfs_search_by_key_4(fs, key, &path) == ITEM_NOT_FOUND) { pathrelse(&path); return STAT_DATA_NOT_FOUND; } /* stat data has been found */ ih = tp_item_head(&path); sd = tp_item_body(&path); get_sd_nlink(ih, sd, &nlink); /* It seems quite difficult to relocate objects on fix-fixable - * rewrite_file calls reiserfs_file_write which can convert tails * to unfm, plus unreachable, was_tail flags, etc. */ #if 0 if (( /* relocate = */ should_be_relocated(&ih->ih_key))) { /* if (fsck_mode(fs) == FSCK_CHECK) relocate = 0; */ one_more_corruption(fs, FATAL); } #endif if (fix_obviously_wrong_sd_mode(&path)) { one_more_corruption(fs, FIXABLE); pathrelse(&path); return OK; } if (nlink == 0) { fsck_log ("%s: block %lu: The StatData %k has bad nlink number (%u)\n", __FUNCTION__, get_bh(&path)->b_blocknr, &ih->ih_key, nlink); one_more_corruption(fs, FATAL); } if (not_a_directory(sd)) { fsck_check_stat(fs)->files++; retval = check_check_regular_file(&path, sd, /* relocate ? new_ih : */ NULL); pathrelse(&path); return retval; } /* if (relocate) { if (!new_ih) reiserfs_panic ("check_semantic_pass: Memory is not prepared for relocation of " "%K", &ih->ih_key); *new_ih = *ih; pathrelse (&path); sem_pass_stat (fs)->oid_sharing_dirs_relocated ++; relocate_dir (new_ih, 1); linked_already(&new_ih->ih_key); one_less_corruption (fs, FIXABLE); *key = new_ih->ih_key; retval = RELOCATED; goto start_again; } */ /* if (fsck_mode (fs) == FSCK_FIX_FIXABLE) { // it looks like stat data of a directory found if (nlink) { // we saw this directory already if (!dot_dot) { // this name is not ".." - and hard links are not allowed on directories pathrelse (&path); return STAT_DATA_NOT_FOUND; } else { // ".." found nlink ++; set_sd_nlink (ih, sd, &nlink); mark_buffer_dirty (get_bh (&path)); pathrelse (&path); return OK; } } // do not run it for dot_dot on check at all nlink = 2; if (get_key_objectid (key) == REISERFS_ROOT_OBJECTID) nlink ++; set_sd_nlink (ih, sd, &nlink); mark_buffer_dirty (get_bh (&path)); } */ /* directory stat data found */ if (get_ih_item_len(ih) == SD_SIZE) is_new_dir = 1; else is_new_dir = 0; /* save stat data's size and st_blocks */ get_sd_size(ih, sd, &sd_size); get_sd_blocks(ih, sd, &sd_blocks); get_sd_mode(ih, sd, &mode); dir_format = (get_ih_item_len(tp_item_head(&path)) == SD_SIZE) ? KEY_FORMAT_2 : KEY_FORMAT_1; /* release path pointing to stat data */ pathrelse(&path); fsck_check_stat(fs)->dirs++; set_key_dirid(&next_item_key, get_key_dirid(key)); set_key_objectid(&next_item_key, get_key_objectid(key)); set_key_offset_v1(&next_item_key, DOT_OFFSET); set_key_uniqueness(&next_item_key, DIRENTRY_UNIQUENESS); dir_size = 0; while ((dir_item = get_next_directory_item(&next_item_key, parent, &tmp_ih, &pos_in_item, dir_format)) != NULL) { /* dir_item is copy of the item in separately allocated memory, item_key is a key of next item in the tree */ int i; char *name = NULL; int namelen, entry_len; struct reiserfs_de_head *deh = (struct reiserfs_de_head *)dir_item + pos_in_item; for (i = pos_in_item; i < get_ih_entry_count(&tmp_ih); i++, deh++) { struct item_head relocated_ih; int ret = OK; if (name) { free(name); name = NULL; } namelen = name_in_entry_length(&tmp_ih, deh, i); asprintf(&name, "%.*s", namelen, name_in_entry(deh, i)); entry_len = entry_length(&tmp_ih, deh, i); get_object_key(deh, &object_key, &entry_key, &tmp_ih); if ((dir_format == KEY_FORMAT_2) && (entry_len % 8 != 0)) { /* not alighed directory of new format - delete it */ if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { fsck_log ("Entry %K (\"%.*s\") in the directory %K is not formated " "properly - deleted\n", (struct reiserfs_key *)&(deh-> deh2_dir_id), namelen, name, &tmp_ih.ih_key); reiserfs_remove_entry(fs, &entry_key); entry_len = name_length(name, dir_format); reiserfs_add_entry(fs, key, name, entry_len, (struct reiserfs_key *)&(deh-> deh2_dir_id), 0); } else { fsck_log ("Entry %K (\"%.*s\") in the directory %K is not formated " "properly.\n", (struct reiserfs_key *)&(deh-> deh2_dir_id), namelen, name, &tmp_ih.ih_key); one_more_corruption(fs, FIXABLE); } } print_name(name, namelen); if (!is_properly_hashed (fs, name, namelen, get_deh_offset(deh))) { one_more_corruption(fs, FATAL); fsck_log ("check_semantic_pass: Hash mismatch detected for (%.*s) in " "directory %K\n", namelen, name, &tmp_ih.ih_key); } if (is_dot(name, namelen) || (is_dot_dot(name, namelen))) { /* do not go through "." and ".." */ ret = OK; } else { if ((ret = add_path_key(&object_key)) == 0) { ret = check_semantic_pass(&object_key, key, is_dot_dot(name, namelen), &relocated_ih); del_path_key(); } } erase_name(namelen); /* check what check_semantic_tree returned */ switch (ret) { case OK: dir_size += DEH_SIZE + entry_len; break; case STAT_DATA_NOT_FOUND: fsck_log ("check_semantic_pass: Name \"%.*s\" in directory %K points to " "nowhere\n", namelen, name, &tmp_ih.ih_key); case LOOP_FOUND: if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { reiserfs_remove_entry(fs, &entry_key); fsck_log(" - removed"); } else { one_more_corruption(fs, FIXABLE); } fsck_log("\n"); break; case DIRECTORY_HAS_NO_ITEMS: fsck_log ("check_semantic_pass: Name \"%.*s\" in directory %K points a " "directory without body\n", namelen, name, &tmp_ih.ih_key); /* fixme: stat data should be deleted as well */ /* if (fsck_fix_fixable (fs)) { reiserfs_remove_entry (fs, &entry_key); fsck_data(fs)->deleted_entries ++; fsck_log (" - removed"); } fsck_log ("\n"); */ break; case RELOCATED: /* file was relocated, update key in corresponding directory entry */ if (reiserfs_search_by_entry_key (fs, &entry_key, &path) != POSITION_FOUND) { fsck_log ("Cannot find a name of the relocated file %K in the directory " "%K\n", &entry_key, &tmp_ih.ih_key); } else { /* update key dir entry points to */ struct reiserfs_de_head *tmp_deh; tmp_deh = B_I_DEH(get_bh(&path), tp_item_head(&path)) + path.pos_in_item; fsck_log ("The directory %K pointing to %K (\"%.*s\") updated to point " "to ", &tmp_ih.ih_key, &tmp_deh->deh2_dir_id, namelen, name); set_deh_dirid(tmp_deh, get_key_dirid (&relocated_ih.ih_key)); set_deh_objectid(tmp_deh, get_key_objectid (&relocated_ih. ih_key)); fsck_log("%K (\"%.*s\")\n", &tmp_deh->deh2_dir_id, namelen, name); mark_buffer_dirty(get_bh(&path)); } dir_size += DEH_SIZE + entry_len; pathrelse(&path); break; } } /* for */ freemem(dir_item); free(name); name = NULL; if (not_of_one_file(&next_item_key, key)) /* next key is not of this directory */ break; } /* while (dir_item) */ if (dir_size == 0) /* FIXME: is it possible? */ return DIRECTORY_HAS_NO_ITEMS; /* calc correct value of sd_blocks field of stat data */ blocks = dir_size2st_blocks(dir_size); fix_sd = 0; fix_sd += wrong_st_blocks(key, &blocks, sd_blocks, mode, is_new_dir); fix_sd += wrong_st_size(key, is_new_dir ? MAX_FILE_SIZE_V2 : MAX_FILE_SIZE_V1, fs->fs_blocksize, &dir_size, sd_size, TYPE_DIRENTRY); if (fix_sd) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { /* we have to fix either sd_size or sd_blocks, so look for stat data again */ if (reiserfs_search_by_key_4(fs, key, &path) != ITEM_FOUND) { fsck_log ("check_semantic_tree: The StatData of the file %K was not found\n", key); one_more_corruption(fs, FATAL); return STAT_DATA_NOT_FOUND; } bh = get_bh(&path); ih = tp_item_head(&path); sd = tp_item_body(&path); set_sd_size(ih, sd, &dir_size); set_sd_blocks(ih, sd, &blocks); mark_buffer_dirty(bh); pathrelse(&path); } else { fsck_check_stat(fs)->fixable_corruptions += fix_sd; } } return retval; } static int check_safe_links(void) { struct reiserfs_path safe_link_path, path; struct reiserfs_key safe_link_key = { cpu_to_le32(-1), 0, {{0, 0}} }; struct reiserfs_key key = { 0, 0, {{0, 0}} }; struct reiserfs_key *rkey; struct item_head *tmp_ih; while (1) { if (get_key_dirid(&safe_link_key) == 0) break; reiserfs_search_by_key_4(fs, &safe_link_key, &safe_link_path); if (get_blkh_nr_items(B_BLK_HEAD(get_bh(&safe_link_path))) <= PATH_LAST_POSITION(&safe_link_path)) { pathrelse(&safe_link_path); break; } tmp_ih = tp_item_head(&safe_link_path); if (get_key_dirid(&tmp_ih->ih_key) != (__u32) - 1 || get_key_objectid(&tmp_ih->ih_key) == (__u32) - 1) { pathrelse(&safe_link_path); break; } if (get_ih_item_len(tmp_ih) != 4) reiserfs_panic("Safe Link %k cannot be of the size %d", &tmp_ih->ih_key, get_ih_item_len(tmp_ih)); set_key_dirid(&key, d32_get((__le32 *) tp_item_body(&safe_link_path), 0)); set_key_objectid(&key, get_key_objectid(&tmp_ih->ih_key)); if ((rkey = reiserfs_next_key(&safe_link_path)) == NULL) set_key_dirid(&safe_link_key, 0); else safe_link_key = *rkey; if (reiserfs_search_by_key_4(fs, &key, &path) == ITEM_NOT_FOUND) { /*sware on check, delete on fix-fixable */ if (fsck_mode(fs) == FSCK_CHECK) { fsck_log ("Invalid safe link %k: cannot find the pointed object (%K)\n", &tmp_ih->ih_key, &key); one_more_corruption(fs, FIXABLE); } else if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { fsck_log ("Invalid safe link %k: cannot find the pointed object (%K) - " "safe link was deleted\n", &tmp_ih->ih_key, &key); d32_put((__le32 *) tp_item_body(&safe_link_path), 0, 0); pathrelse(&path); reiserfsck_delete_item(&safe_link_path, 0); continue; } } else if (get_offset(&tmp_ih->ih_key) == 0x1) { /* Truncate */ if (!not_a_directory(tp_item_body(&path))) { /*truncate on directory should not happen */ /*sware on check, delete on fix-fixable */ if (fsck_mode(fs) == FSCK_CHECK) { fsck_log ("Invalid 'truncate' safe link %k, cannot happen for " "directory (%K)\n", &tmp_ih->ih_key, &key); one_more_corruption(fs, FIXABLE); } else if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { fsck_log ("Invalid 'truncate' safe link %k, cannot happen for " "a directory (%K) - safe link was deleted\n", &tmp_ih->ih_key, &key); d32_put((__le32 *) tp_item_body(&safe_link_path), 0, 0); pathrelse(&path); reiserfsck_delete_item(&safe_link_path, 0); continue; } } else { /* save 'safe truncate links' to avoid swaring on wrong sizes. */ __u32 position; if (reiserfs_bin_search (&key, trunc_links, links_num, sizeof(key), &position, comp_short_keys) != POSITION_FOUND) { blocklist__insert_in_position(&key, (void *) &trunc_links, &links_num, sizeof (key), &position); } } } pathrelse(&path); pathrelse(&safe_link_path); } return OK; } static void release_safe_links(void) { freemem(trunc_links); } /* called when --check is given */ void semantic_check(void) { if (fsck_data(fs)->check.bad_nodes) { fsck_progress("Bad nodes were found, Semantic pass skipped\n"); goto clean; } if (fsck_data(fs)->check.fatal_corruptions) { fsck_progress ("Fatal corruptions were found, Semantic pass skipped\n"); goto clean; } fsck_progress("Checking Semantic tree:\n"); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { /*create new_bitmap, and initialize new_bitmap & allocable bitmap */ fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count (fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_new_bitmap(fs), fs->fs_bitmap2); fsck_allocable_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count (fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_allocable_bitmap(fs), fs->fs_bitmap2); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; } check_safe_links(); if (check_semantic_pass(&root_dir_key, &parent_root_dir_key, 0, NULL) != OK) { fsck_log("check_semantic_tree: No root directory found"); one_more_corruption(fs, FATAL); } release_safe_links(); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { reiserfs_delete_bitmap(fs->fs_bitmap2); reiserfs_bitmap_delta(fsck_new_bitmap(fs), fsck_deallocate_bitmap(fs)); fs->fs_bitmap2 = fsck_new_bitmap(fs); reiserfs_delete_bitmap(fsck_allocable_bitmap(fs)); fsck_allocable_bitmap(fs) = NULL; set_sb_free_blocks(fs->fs_ondisk_sb, reiserfs_bitmap_zeros(fs->fs_bitmap2)); mark_buffer_dirty(fs->fs_super_bh); add_badblock_list(fs, 1); } fsck_progress("finished\n"); clean: if (fsck_deallocate_bitmap(fs)) reiserfs_delete_bitmap(fsck_deallocate_bitmap(fs)); } reiserfsprogs-3.6.25/fsck/semantic_rebuild.c0000644000175000001440000011105312310423334016020 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" int screen_width; static int screen_curr_pos; char *screen_savebuffer; int screen_savebuffer_len; #define MIN(a, b) (((a)>(b))?(b):(a)) /* semantic pass progress */ void print_name(char *name, int len) { int i; if (fsck_quiet(fs)) return; if (len + screen_curr_pos + 1 > screen_savebuffer_len) { char *t; t = expandmem(screen_savebuffer, screen_savebuffer_len + 1, len + screen_curr_pos - screen_savebuffer_len + 1); if (!t) { fsck_progress("\nOut of memory\n"); return; // ???? } screen_savebuffer = t; screen_savebuffer_len = len + screen_curr_pos + 1; } strcat(screen_savebuffer, "/"); strncat(screen_savebuffer, name, len); i = screen_curr_pos; screen_curr_pos += len + 1; for (; i < screen_curr_pos; i++) if (screen_savebuffer[i] < 32) screen_savebuffer[i] = '?'; screen_savebuffer[screen_curr_pos] = 0; if (screen_width < screen_curr_pos) { printf("\r... %.*s", screen_width - 4, screen_savebuffer + (screen_curr_pos - (screen_width - 4))); } else printf("/%.*s", len, screen_savebuffer + screen_curr_pos - len); fflush(stdout); } void erase_name(int len) { int i; if (fsck_quiet(fs)) return; if (screen_curr_pos < screen_width) { screen_curr_pos -= len + 1; screen_savebuffer[screen_curr_pos] = 0; for (i = 0; i <= len; i++) printf("\b"); for (i = 0; i <= len + 1; i++) printf(" "); for (i = 0; i <= len + 1; i++) printf("\b"); } else { screen_curr_pos -= len + 1; if (screen_curr_pos < 0) die("%s: Get out of buffer's data!\n", __FUNCTION__); screen_savebuffer[screen_curr_pos] = 0; printf("\r"); if (screen_curr_pos >= screen_width) { int t_preface = MIN(screen_curr_pos - screen_width, 4); printf("%.*s%.*s", t_preface, "... ", screen_width - t_preface - 1, screen_savebuffer + (screen_curr_pos - (screen_width - t_preface)) + 1); } else { int space_used = printf("%s", screen_savebuffer); for (i = space_used; i < screen_width; i++) printf(" "); for (i = space_used; i < screen_width; i++) printf("\b"); } } fflush(stdout); } /* *size is "real" file size, sd_size - size from stat data */ int wrong_st_size(const struct reiserfs_key *key, unsigned long long max_file_size, int blocksize, __u64 * size, __u64 sd_size, int type) { if (sd_size <= max_file_size) { if (sd_size == *size) return 0; if (type == TYPE_DIRENTRY) { /* directory size must match to the sum of length of its entries */ fsck_log ("vpf-10650: The directory %K has the wrong size in the StatData " "(%Lu)%s(%Lu)\n", key, sd_size, fsck_mode(fs) == FSCK_CHECK ? ", should be " : " - corrected to ", *size); return 1; } if (sd_size > *size) { /* size in stat data can be bigger than size calculated by items */ if (fsck_adjust_file_size(fs) || type == TYPE_SYMLINK) { /* but it -o is given - fix that */ fsck_log ("vpf-10660: The file %K has too big size in the StatData " "(%Lu)%s(%Lu)\n", key, sd_size, fsck_mode(fs) == FSCK_CHECK ? ", should be " : " - corrected to ", *size); sem_pass_stat(fs)->fixed_sizes++; return 1; } *size = sd_size; return 0; } if (!(*size % blocksize)) { /* last item is indirect */ if (((sd_size & ~(blocksize - 1)) == (*size - blocksize)) && sd_size % blocksize) { /* size in stat data is correct */ *size = sd_size; return 0; } } else { /* last item is a direct one */ if (!(*size % 8)) { if (((sd_size & ~7) == (*size - 8)) && sd_size % 8) { /* size in stat data is correct */ *size = sd_size; return 0; } } } } fsck_log ("vpf-10670: The file %K has the wrong size in the StatData (%Lu)%s(%Lu)\n", key, sd_size, fsck_mode(fs) == FSCK_CHECK ? ", should be " : " - corrected to ", *size); sem_pass_stat(fs)->fixed_sizes++; return 1; } /* sd_blocks is 32 bit only */ /* old stat data shares sd_block and sd_dev - do not wipe sd_rdev out */ /* we should fix it as following: |------------------------------------------------------------------| | | 3.6 | 3.5 | |---------------------------------------------------| | | | blocks | r_dev|generation | blocks/r_dev | |------------------------------------------------------------------| | fifo, sockets | 0 | generation | 0 | | chr/blk_dev | 0 | maj:min | maj:min | | file, dir, link | blocks | generation | blocks | |------------------------------------------------------------------| */ int wrong_st_blocks(const struct reiserfs_key *key, __u32 * blocks, __u32 sd_blocks, __u16 mode, int new_format) { int ret = 0; if (S_ISREG(mode) || S_ISLNK(mode) || S_ISDIR(mode)) { if ((!S_ISLNK(mode) && *blocks != sd_blocks) || (S_ISLNK(mode) && *blocks != sd_blocks && (ROUND_UP(*blocks) != sd_blocks))) { fsck_log ("vpf-10680: The %s %K has the wrong block count in the StatData " "(%u)%s(%u)\n", S_ISDIR(mode) ? "directory" : S_ISREG(mode) ? "file" : "link", key, sd_blocks, fsck_mode(fs) == FSCK_CHECK ? ", should be " : " - corrected to ", *blocks); ret = 1; } } else if (new_format || (S_ISFIFO(mode) || S_ISSOCK(mode))) { if (sd_blocks != 0) { fsck_log ("vpf-10690: The object %K has the wrong block count in the StatData " "(%u)%s(%u)\n", key, sd_blocks, fsck_mode(fs) == FSCK_CHECK ? ", should be " : " - corrected to ", 0); *blocks = 0; ret = 1; } } return ret; } /* int wrong_st_rdev (struct reiserfs_key *key, __u32 * sd_rdev, __u16 mode, int new_format) { int ret = 0; if (!new_format) return 0; if (!S_ISCHR (mode) && !S_ISBLK (mode)) { if (*sd_rdev != 0) { fsck_log ("%s %K has wrong sd_rdev %u, has to be 0\n", S_ISDIR (mode) ? "dir" : "file", key, *sd_rdev); *sd_rdev = 0; ret = 1; } } return ret; } */ /* only regular files and symlinks may have items but stat data. Symlink should have body */ int wrong_mode(const struct reiserfs_key *key, __u16 * mode, __u64 real_size, int symlink) { int retval = 0; if (S_ISLNK(*mode) && !symlink) { fsck_log ("The file %K (%M) is too big to be the symlink%s regfile\n", key, *mode, fsck_mode(fs) == FSCK_CHECK ? ", should be the" : " - corrected " "to the"); *mode &= ~S_IFMT; *mode |= S_IFREG; retval = 1; } if (ftypelet(*mode) != '?') { /* mode looks reasonable */ if (S_ISREG(*mode) || S_ISLNK(*mode)) return retval; /* device, pipe, socket have no items */ if (!real_size) return retval; } /* there are items, so change file mode to regular file. Otherwise - file bodies do not get deleted */ if (fsck_mode(fs) == FSCK_CHECK) { fsck_log("The object %K has wrong mode (%M)\n", key, *mode); } else { fsck_log ("The object %K has wrong mode (%M) - corrected to %M\n", key, *mode, (S_IFREG | 0600)); } *mode = (S_IFREG | 0600); return 1; } /* key is a key of last file item */ int wrong_first_direct_byte(const struct reiserfs_key *key, int blocksize, __u32 * first_direct_byte, __u32 sd_first_direct_byte, __u32 size) { if (!size || is_indirect_key(key)) { /* there is no direct item */ *first_direct_byte = NO_BYTES_IN_DIRECT_ITEM; if (sd_first_direct_byte != NO_BYTES_IN_DIRECT_ITEM) { if (fsck_mode(fs) == FSCK_CHECK) { fsck_log ("The file %K: The wrong info about the tail in the StatData, " "first_direct_byte (%d) - should be (%d)\n", key, sd_first_direct_byte, *first_direct_byte); } else { fsck_log ("The file %K: The wrong info about the tail in the StatData, " "first_direct_byte (%d) - corrected to (%d)\n", key, sd_first_direct_byte, *first_direct_byte); } return 1; } return 0; } /* there is direct item */ *first_direct_byte = (get_offset(key) & ~(blocksize - 1)) + 1; if (*first_direct_byte != sd_first_direct_byte) { if (fsck_mode(fs) == FSCK_CHECK) { fsck_log ("The file %K: The wrong info about the tail in the StatData, " "first_direct_byte (%d) - should be (%d)\n", key, sd_first_direct_byte, *first_direct_byte); } else { fsck_log ("The file %K: The wrong info about the tail in the StatData, " "first_direct_byte (%d) - corrected to (%d)\n", key, sd_first_direct_byte, *first_direct_byte); } return 1; } return 0; } /* delete all items (but directory ones) with the same key 'ih' has (including stat data of not a directory) and put them back at the other place */ void relocate_dir(struct item_head *ih, int change_ih) { struct reiserfs_key key; struct reiserfs_key *rkey; struct reiserfs_path path; struct item_head *path_ih; struct si *si; __u32 new_objectid; /* starting with the leftmost one - look for all items of file, store them and delete */ key = ih->ih_key; set_type_and_offset(KEY_FORMAT_1, &key, SD_OFFSET, TYPE_STAT_DATA); si = NULL; while (1) { reiserfs_search_by_key_4(fs, &key, &path); if (get_item_pos(&path) == B_NR_ITEMS(get_bh(&path))) { rkey = uget_rkey(&path); if (rkey && !not_of_one_file(&key, rkey)) { /* file continues in the right neighbor */ key = *rkey; pathrelse(&path); continue; } /* there is no more items of a directory */ pathrelse(&path); break; } if (is_stat_data_ih(tp_item_head(&path))) fix_obviously_wrong_sd_mode(&path); path_ih = tp_item_head(&path); if (not_of_one_file(&key, &(path_ih->ih_key))) { /* there are no more item with this key */ pathrelse(&path); break; } /* ok, item found, but make sure that it is not a directory one */ if ((is_stat_data_ih(path_ih) && not_a_directory(tp_item_body(&path))) || is_direct_ih(path_ih) || is_indirect_ih(path_ih)) { /* item of not a directory found. Leave it in the tree. FIXME: should not happen */ key = path_ih->ih_key; set_offset(KEY_FORMAT_1, &key, get_offset(&key) + 1); pathrelse(&path); continue; } /* directory stat data ro directory item */ si = save_and_delete_file_item(si, &path); } if (!si) { fsck_log ("relocate_dir: WARNING: No one item of the directory %K found\n", &key); return; } /* get new objectid for relocation or get objectid with which file was relocated already */ new_objectid = objectid_for_relocation(&ih->ih_key); set_key_objectid(&ih->ih_key, new_objectid); /* put all items removed back into tree */ while (si) { fsck_log("relocate_dir: Moving %k to ", &si->si_ih.ih_key); set_key_objectid(&si->si_ih.ih_key, new_objectid); fsck_log("%k\n", &si->si_ih.ih_key); if (get_offset(&(si->si_ih.ih_key)) == DOT_OFFSET) { /* fix "." entry to point to a directtory properly */ struct reiserfs_de_head *deh; deh = (struct reiserfs_de_head *)si->si_dnm_data; set_deh_objectid(deh, new_objectid); } insert_item_separately(&(si->si_ih), si->si_dnm_data, 1 /*was in tree */ ); si = remove_saved_item(si); } } /* path is path to stat data. If file will be relocated - new_ih will contain a key file was relocated with */ int rebuild_check_regular_file(struct reiserfs_path *path, void *sd, struct item_head *new_ih) { int is_new_file; // struct reiserfs_key sd_key; __u16 mode; __u32 nlink; __u64 real_size, saved_size; __u32 blocks, saved_blocks; /* proper values and value in stat data */ __u32 first_direct_byte, saved_first_direct_byte; struct buffer_head *bh; struct item_head *ih, sd_ih; int fix_sd; int symlnk = 0; int retval; retval = OK; /* stat data of a file */ ih = tp_item_head(path); bh = get_bh(path); if (new_ih) { /* this objectid is used already */ *new_ih = *ih; pathrelse(path); rewrite_file(new_ih, 1, 1); linked_already(&new_ih->ih_key); sem_pass_stat(fs)->oid_sharing_files_relocated++; retval = RELOCATED; if (reiserfs_search_by_key_4(fs, &(new_ih->ih_key), path) == ITEM_NOT_FOUND) reiserfs_panic ("%s: Could not find the StatData of the relocated file %k", __FUNCTION__, &(new_ih->ih_key)); /* stat data is marked unreachable again due to relocation, fix that */ ih = tp_item_head(path); bh = get_bh(path); mark_item_reachable(ih, bh); sd = tp_item_body(path); } id_map_mark(semantic_id_map(fs), get_key_objectid(&ih->ih_key)); /* check and set nlink first */ get_sd_nlink(ih, sd, &nlink); nlink++; set_sd_nlink(ih, sd, &nlink); mark_buffer_dirty(bh); if (nlink > 1) return retval; /* firts name of a file found */ if (get_ih_item_len(ih) == SD_SIZE) is_new_file = 1; else is_new_file = 0; get_sd_mode(ih, sd, &mode); get_sd_size(ih, sd, &saved_size); get_sd_blocks(ih, sd, &saved_blocks); if (!is_new_file) get_sd_first_direct_byte(ih, sd, &saved_first_direct_byte); /* we met this file first time */ if (S_ISREG(mode)) { sem_pass_stat(fs)->regular_files++; } else if (S_ISLNK(mode)) { symlnk = 1; sem_pass_stat(fs)->symlinks++; } else { sem_pass_stat(fs)->others++; } sd_ih = *ih; // sd_key = sd_ih.ih_key; pathrelse(path); if (are_file_items_correct (&sd_ih, sd, &real_size, &blocks, 1 /*mark items reachable */ , &symlnk) != 1) { /* unpassed items will be deleted in pass 4 as they left unaccessed */ sem_pass_stat(fs)->broken_files++; } fix_sd = 0; fix_sd += wrong_mode( /*&sd_key, */ &sd_ih.ih_key, &mode, real_size, symlnk); if (!is_new_file) fix_sd += wrong_first_direct_byte(&sd_ih.ih_key, fs->fs_blocksize, &first_direct_byte, saved_first_direct_byte, real_size); fix_sd += wrong_st_size( /*&sd_key, */ &sd_ih.ih_key, is_new_file ? MAX_FILE_SIZE_V2 : MAX_FILE_SIZE_V1, fs->fs_blocksize, &real_size, saved_size, symlnk ? TYPE_SYMLINK : 0); fix_sd += wrong_st_blocks(&sd_ih.ih_key, &blocks, saved_blocks, mode, is_new_file); if (fix_sd) { /* find stat data and correct it */ set_type_and_offset(KEY_FORMAT_1, &sd_ih.ih_key, SD_OFFSET, TYPE_STAT_DATA); if (reiserfs_search_by_key_4(fs, &sd_ih.ih_key, path) != ITEM_FOUND) reiserfs_panic ("%s: The StatData of the file %k could not be found", __FUNCTION__, &sd_ih.ih_key); bh = get_bh(path); ih = tp_item_head(path); sd = tp_item_body(path); set_sd_size(ih, sd, &real_size); set_sd_blocks(ih, sd, &blocks); set_sd_mode(ih, sd, &mode); if (!is_new_file) set_sd_first_direct_byte(ih, sd, &first_direct_byte); mark_buffer_dirty(bh); } return retval; } static int is_rootdir_key(const struct reiserfs_key *key) { if (comp_keys(key, &root_dir_key)) return 0; return 1; } /* returns buffer, containing found directory item.*/ static char *get_next_directory_item(struct reiserfs_key *key, /* on return this will contain key of next item in the tree */ const struct reiserfs_key *parent, struct item_head *ih, /*not in tree */ __u32 * pos_in_item) { INITIALIZE_REISERFS_PATH(path); char *dir_item; struct reiserfs_key *rdkey; struct buffer_head *bh; struct reiserfs_de_head *deh; int i; int retval; if ((retval = reiserfs_search_by_entry_key(fs, key, &path)) != POSITION_FOUND) reiserfs_panic ("get_next_directory_item: The current directory %k cannot be " "found", key); /* leaf containing directory item */ bh = PATH_PLAST_BUFFER(&path); *pos_in_item = path.pos_in_item; *ih = *tp_item_head(&path); deh = B_I_DEH(bh, ih); /* make sure, that ".." exists as well */ if (get_offset(key) == DOT_OFFSET) { if (get_ih_entry_count(ih) < 2 || name_in_entry_length(ih, deh + 1, 1) != 2 || strncmp(name_in_entry(deh + 1, 1), "..", 2)) { fsck_log ("get_next_directory_item: The entry \"..\" cannot be found in %k\n", &ih->ih_key); pathrelse(&path); return NULL; } } /* mark hidden entries as visible, set "." and ".." correctly */ deh += *pos_in_item; for (i = *pos_in_item; i < get_ih_entry_count(ih); i++, deh++) { int namelen; char *name; name = name_in_entry(deh, i); namelen = name_in_entry_length(ih, deh, i); if (de_hidden(deh)) reiserfs_panic ("get_next_directory_item: item %k: hidden entry %d \'%.*s\'\n", key, i, namelen, name); if (get_deh_offset(deh) == DOT_OFFSET) { if (not_of_one_file(&(deh->deh2_dir_id), key)) { /* "." must point to the directory it is in */ //deh->deh_objectid != REISERFS_ROOT_PARENT_OBJECTID)/*????*/ { fsck_log ("get_next_directory_item: The entry \".\" of the directory %K pointes to %K, instead of %K", key, (struct reiserfs_key *)(&(deh->deh2_dir_id)), key); set_deh_dirid(deh, get_key_dirid(key)); set_deh_objectid(deh, get_key_objectid(key)); mark_buffer_dirty(bh); fsck_log(" - corrected\n"); } } if (get_deh_offset(deh) == DOT_DOT_OFFSET) { /* set ".." so that it points to the correct parent directory */ if (comp_short_keys(&(deh->deh2_dir_id), parent)) { fsck_log ("get_next_directory_item: The entry \"..\" of the directory %K pointes to %K, instead of %K", key, (struct reiserfs_key *)(&(deh->deh2_dir_id)), parent); set_deh_dirid(deh, get_key_dirid(parent)); set_deh_objectid(deh, get_key_objectid(parent)); mark_buffer_dirty(bh); fsck_log(" - corrected\n"); } } } /* copy directory item to the temporary buffer */ dir_item = getmem(get_ih_item_len(ih)); memcpy(dir_item, ih_item_body(bh, ih), get_ih_item_len(ih)); /* next item key */ if (PATH_LAST_POSITION(&path) == (B_NR_ITEMS(bh) - 1) && (rdkey = uget_rkey(&path))) copy_key(key, rdkey); else { set_key_dirid(key, 0); set_key_objectid(key, 0); } if (fsck_mode(fs) == FSCK_REBUILD) mark_item_reachable(tp_item_head(&path), bh); pathrelse(&path); return dir_item; } // get key of an object pointed by direntry and the key of the entry itself void get_object_key(struct reiserfs_de_head *deh, struct reiserfs_key *key, struct reiserfs_key *entry_key, struct item_head *ih) { /* entry points to this key */ set_key_dirid(key, get_deh_dirid(deh)); set_key_objectid(key, get_deh_objectid(deh)); set_key_offset_v1(key, SD_OFFSET); set_key_uniqueness(key, 0); /* key of entry */ set_key_dirid(entry_key, get_key_dirid(&ih->ih_key)); set_key_objectid(entry_key, get_key_objectid(&ih->ih_key)); set_key_offset_v1(entry_key, get_deh_offset(deh)); set_key_uniqueness(entry_key, DIRENTRY_UNIQUENESS); } int fix_obviously_wrong_sd_mode(struct reiserfs_path *path) { struct reiserfs_key *next_key = NULL; __u16 mode; int retval = 0; next_key = reiserfs_next_key(path); if (!next_key || not_of_one_file(next_key, &tp_item_head(path)->ih_key)) return 0; /* next item exists and of the same file. Fix the SD mode */ if (not_a_directory(tp_item_body(path)) && is_direntry_key(next_key)) { /* make SD mode SD of dir */ get_sd_mode(tp_item_head(path), tp_item_body(path), &mode); fsck_log("The directory %K had wrong mode %M", &tp_item_head(path)->ih_key, mode); if (fsck_mode(fs) != FSCK_CHECK) { mode &= ~S_IFMT; mode |= S_IFDIR; fsck_log(" - corrected to %M\n", mode); set_sd_mode(tp_item_head(path), tp_item_body(path), &mode); mark_buffer_dirty(get_bh(path)); } else { fsck_log("\n"); retval = 1; } } else if (!not_a_directory(tp_item_body(path)) && !is_direntry_key(next_key)) { /* make SD mode SD of regular file */ get_sd_mode(tp_item_head(path), tp_item_body(path), &mode); fsck_log("The file %K had wrong mode %M", &tp_item_head(path)->ih_key, mode); if (fsck_mode(fs) != FSCK_CHECK) { mode &= ~S_IFMT; mode |= S_IFREG; fsck_log(" - corrected to %M\n", mode); set_sd_mode(tp_item_head(path), tp_item_body(path), &mode); mark_buffer_dirty(get_bh(path)); } else { fsck_log("\n"); retval = 1; } } return retval; } /* check recursively the semantic tree. Returns OK if entry points to good object, STAT_DATA_NOT_FOUND if stat data was not found or RELOCATED when file was relocated because its objectid was already marked as used by another file */ int rebuild_semantic_pass(struct reiserfs_key *key, const struct reiserfs_key *parent, int dot_dot, struct item_head *new_ih) { struct reiserfs_path path; void *sd; int is_new_dir; __u32 nlink; struct buffer_head *bh; struct item_head *ih; int retval, retval1; char *dir_item; __u32 pos_in_item; struct item_head tmp_ih; struct reiserfs_key item_key, entry_key, object_key; __u64 dir_size; __u32 blocks; __u64 saved_size; __u32 saved_blocks; int fix_sd; int relocate; int dir_format = 0; __u16 mode; retval = OK; start_again: /* when directory was relocated */ if (!KEY_IS_STAT_DATA_KEY(key)) reiserfs_panic ("rebuild_semantic_pass: The key %k must be key of a StatData", key); /* look for stat data of an object */ if (reiserfs_search_by_key_4(fs, key, &path) == ITEM_NOT_FOUND) { pathrelse(&path); if (is_rootdir_key(key)) /* root directory has to exist at this point */ reiserfs_panic ("rebuild_semantic_pass: The root directory StatData was not found"); return STAT_DATA_NOT_FOUND; } /* stat data has been found */ bh = get_bh(&path); ih = tp_item_head(&path); sd = tp_item_body(&path); /* */ get_sd_nlink(ih, sd, &nlink); relocate = 0; if (!nlink) { /* we reached the stat data for the first time */ if (id_map_mark (semantic_id_map(fs), get_key_objectid(&ih->ih_key))) { /* calculate number of found files/dirs who are using objectid which is used by another file */ sem_pass_stat(fs)->oid_sharing++; if (1 /*fsck_adjust_file_size (fs) */ ) /* this works for files only */ relocate = 1; } mark_item_reachable(ih, bh); } fix_obviously_wrong_sd_mode(&path); if (not_a_directory(sd)) { retval = rebuild_check_regular_file(&path, sd, relocate ? new_ih : NULL); pathrelse(&path); return retval; } if (relocate) { if (!new_ih) reiserfs_panic ("rebuild_semantic_pass: Memory is not prepared for relocation of %K", &ih->ih_key); *new_ih = *ih; pathrelse(&path); sem_pass_stat(fs)->oid_sharing_dirs_relocated++; relocate_dir(new_ih, 1); linked_already(&new_ih->ih_key); *key = new_ih->ih_key; retval = RELOCATED; goto start_again; } /* it looks like stat data of a directory found */ if (nlink) { /* we saw this directory already */ if (!dot_dot) { /* this name is not ".." - and hard links are not allowed on directories */ pathrelse(&path); return STAT_DATA_NOT_FOUND; } else { /* ".." found */ nlink++; set_sd_nlink(ih, sd, &nlink); mark_buffer_dirty(bh); pathrelse(&path); return OK; } } /* we see the directory first time */ sem_pass_stat(fs)->directories++; nlink = 2; if (get_key_objectid(key) == REISERFS_ROOT_OBJECTID) nlink++; set_sd_nlink(ih, sd, &nlink); mark_buffer_dirty(bh); if (get_ih_item_len(ih) == SD_SIZE) is_new_dir = 1; else is_new_dir = 0; /* { struct reiserfs_key *tmp; // check next item: if it is not a directory item of the same file // therefore sd_mode is corrupted so we just reset it to regular file // mode tmp = reiserfs_next_key (&path); if (tmp && !not_of_one_file (tmp, key) && !is_direntry_key (tmp)) { __u16 mode; get_sd_mode (ih, sd, &mode); fsck_log ("file %K had broken mode %M, ", key, mode); mode &= ~S_IFMT; mode |= S_IFREG; fsck_log ("fixed to %M\n", mode); set_sd_mode (ih, sd, &mode); nlink = 0; set_sd_nlink (ih, sd, &nlink); retval = rebuild_check_regular_file (&path, sd, 0); //no relocate pathrelse (&path); return retval; } } */ dir_format = (get_ih_item_len(tp_item_head(&path)) == SD_SIZE) ? KEY_FORMAT_2 : KEY_FORMAT_1; /* save stat data's size and st_blocks */ get_sd_size(ih, sd, &saved_size); get_sd_blocks(ih, sd, &saved_blocks); get_sd_mode(ih, sd, &mode); /* release path pointing to stat data */ pathrelse(&path); /* make sure that "." and ".." exist */ reiserfs_add_entry(fs, key, ".", name_length(".", dir_format), key, 1 << IH_Unreachable); reiserfs_add_entry(fs, key, "..", name_length("..", dir_format), parent, 1 << IH_Unreachable); set_key_dirid(&item_key, get_key_dirid(key)); set_key_objectid(&item_key, get_key_objectid(key)); set_key_offset_v1(&item_key, DOT_OFFSET); set_key_uniqueness(&item_key, DIRENTRY_UNIQUENESS); dir_size = 0; while ((dir_item = get_next_directory_item(&item_key, parent, &tmp_ih, &pos_in_item)) != NULL) { /* dir_item is copy of the item in separately allocated memory, item_key is a key of next item in the tree */ int i; char *name = NULL; int namelen, entry_len; struct reiserfs_de_head *deh = (struct reiserfs_de_head *)dir_item + pos_in_item; for (i = pos_in_item; i < get_ih_entry_count(&tmp_ih); i++, deh++) { struct item_head relocated_ih; if (name) { free(name); name = NULL; } namelen = name_in_entry_length(&tmp_ih, deh, i); asprintf(&name, "%.*s", namelen, name_in_entry(deh, i)); entry_len = entry_length(&tmp_ih, deh, i); get_object_key(deh, &object_key, &entry_key, &tmp_ih); if ((dir_format == KEY_FORMAT_2) && (entry_len % 8 != 0)) { /* not alighed directory of new format - delete it */ fsck_log ("Entry %K (\"%.*s\") in the directory %K is not formated properly - fixed.\n", (struct reiserfs_key *)&(deh->deh2_dir_id), namelen, name, &tmp_ih.ih_key); reiserfs_remove_entry(fs, &entry_key); entry_len = name_length(name, dir_format); reiserfs_add_entry(fs, key, name, entry_len, (struct reiserfs_key *) &(deh->deh2_dir_id), 0); } /* if ((dir_format == KEY_FORMAT_1) && (namelen != entry_len)) { // aligned entry in directory of old format - remove and insert it back fsck_log ("Entry %K (\"%.*s\") in the directory %K is not formated properly - deleted\n", (struct reiserfs_key *)&(deh->deh2_dir_id), namelen, name, &tmp_ih.ih_key); reiserfs_remove_entry (fs, &entry_key); entry_len = name_length (name, dir_format); reiserfs_add_entry (fs, key, name, entry_len, (struct reiserfs_key *)&(deh->deh2_dir_id), 0); } */ if (is_dot(name, namelen)) { dir_size += DEH_SIZE + entry_len; continue; } print_name(name, namelen); if (!is_properly_hashed (fs, name, namelen, get_deh_offset(deh))) reiserfs_panic ("rebuild_semantic_pass: Hash mismatch detected for (\"%.*s\") in directory %K\n", namelen, name, &tmp_ih.ih_key); retval1 = rebuild_semantic_pass(&object_key, key, is_dot_dot(name, namelen), &relocated_ih); erase_name(namelen); switch (retval1) { case OK: dir_size += DEH_SIZE + entry_len; break; case STAT_DATA_NOT_FOUND: case DIRECTORY_HAS_NO_ITEMS: if (get_offset(&entry_key) == DOT_DOT_OFFSET && get_key_objectid(&object_key) == REISERFS_ROOT_PARENT_OBJECTID) { /* ".." of root directory can not be found */ dir_size += DEH_SIZE + entry_len; continue; } fsck_log ("%s: The entry %K (\"%.*s\") in directory %K points to nowhere - is removed\n", __FUNCTION__, &object_key, namelen, name, &tmp_ih.ih_key); reiserfs_remove_entry(fs, &entry_key); sem_pass_stat(fs)->deleted_entries++; break; case RELOCATED: /* file was relocated, update key in corresponding directory entry */ if (reiserfs_search_by_entry_key (fs, &entry_key, &path) != POSITION_FOUND) { fsck_log ("WARNING: Cannot find the name of the relocated file %K in the directory %K\n", &object_key, &tmp_ih.ih_key); } else { /* update key dir entry points to */ struct reiserfs_de_head *tmp_deh; tmp_deh = B_I_DEH(get_bh(&path), tp_item_head(&path)) + path.pos_in_item; fsck_log ("The entry %K (\"%.*s\") in directory %K updated to point to ", &object_key, namelen, name, &tmp_ih.ih_key); set_deh_dirid(tmp_deh, get_key_dirid (&relocated_ih.ih_key)); set_deh_objectid(tmp_deh, get_key_objectid (&relocated_ih. ih_key)); fsck_log("%K\n", &tmp_deh->deh2_dir_id); mark_buffer_dirty(get_bh(&path)); } dir_size += DEH_SIZE + entry_len; pathrelse(&path); break; } } /* for */ freemem(dir_item); free(name); name = NULL; if (not_of_one_file(&item_key, key)) /* next key is not of this directory */ break; } /* while (dir_item) */ if (dir_size == 0) /* FIXME: is it possible? */ return DIRECTORY_HAS_NO_ITEMS; /* calc correct value of sd_blocks field of stat data */ blocks = dir_size2st_blocks(dir_size); fix_sd = 0; fix_sd += wrong_st_blocks(key, &blocks, saved_blocks, mode, is_new_dir); fix_sd += wrong_st_size(key, is_new_dir ? MAX_FILE_SIZE_V2 : MAX_FILE_SIZE_V1, fs->fs_blocksize, &dir_size, saved_size, TYPE_DIRENTRY); if (fix_sd) { /* we have to fix either sd_size or sd_blocks, so look for stat data again */ if (reiserfs_search_by_key_4(fs, key, &path) != ITEM_FOUND) reiserfs_panic ("rebuild_semantic_pass: The StatData of the file %K was not found", key); bh = get_bh(&path); ih = tp_item_head(&path); sd = tp_item_body(&path); set_sd_size(ih, sd, &dir_size); set_sd_blocks(ih, sd, &blocks); mark_buffer_dirty(bh); pathrelse(&path); } return retval; } int is_dot(char *name, int namelen) { return (namelen == 1 && name[0] == '.') ? 1 : 0; } int is_dot_dot(char *name, int namelen) { return (namelen == 2 && name[0] == '.' && name[1] == '.') ? 1 : 0; } int not_a_directory(void *sd) { /* mode is at the same place and of the same size in both stat datas (v1 and v2) */ struct stat_data_v1 *sd_v1 = sd; return !(S_ISDIR(le16_to_cpu(sd_v1->sd_mode))); } int not_a_regfile(void *sd) { /* mode is at the same place and of the same size in both stat datas (v1 and v2) */ struct stat_data_v1 *sd_v1 = sd; return !(S_ISREG(le16_to_cpu(sd_v1->sd_mode))); } void zero_nlink(struct item_head *ih, void *sd) { int zero = 0; if (get_ih_item_len(ih) == SD_V1_SIZE && get_ih_key_format(ih) != KEY_FORMAT_1) { fsck_log ("zero_nlink: The StatData %k of the wrong format version (%d) - corrected to (%d)\n", ih, get_ih_key_format(ih), KEY_FORMAT_1); set_ih_key_format(ih, KEY_FORMAT_1); } if (get_ih_item_len(ih) == SD_SIZE && get_ih_key_format(ih) != KEY_FORMAT_2) { fsck_log ("zero_nlink: The StatData %k of the wrong format version (%d) - corrected to (%d)\n", ih, get_ih_key_format(ih), KEY_FORMAT_2); set_ih_key_format(ih, KEY_FORMAT_2); } set_sd_nlink(ih, sd, &zero); } void modify_item(struct item_head *ih, void *item) { zero_nlink(ih, item); mark_item_unreachable(ih); } /* mkreiserfs should have created this */ static void make_sure_lost_found_exists(reiserfs_filsys_t fs) { int retval; INITIALIZE_REISERFS_PATH(path); unsigned int gen_counter; __u32 objectid; __u64 sd_size; __u32 sd_blocks; struct buffer_head *bh; void *sd; int item_len; /* look for "lost+found" in the root directory */ retval = reiserfs_find_entry(fs, &root_dir_key, "lost+found", &gen_counter, &lost_found_dir_key); if (!retval) { objectid = id_map_alloc(proper_id_map(fs)); if (!objectid) { fsck_progress ("Could not allocate an objectid for \"/lost+found\", \ lost files will not be linked\n"); return; } set_key_dirid(&lost_found_dir_key, REISERFS_ROOT_OBJECTID); set_key_objectid(&lost_found_dir_key, objectid); } /* look for stat data of "lost+found" */ retval = reiserfs_search_by_key_4(fs, &lost_found_dir_key, &path); if (retval == ITEM_NOT_FOUND) lost_found_dir_format = create_dir_sd(fs, &path, &lost_found_dir_key, modify_item); else { struct item_head *ih = tp_item_head(&path); if (!is_stat_data_ih(ih)) reiserfs_panic("It must be lost+found's stat data %k\n", &ih->ih_key); fix_obviously_wrong_sd_mode(&path); if (not_a_directory(tp_item_body(&path))) { fsck_progress ("\"/lost+found\" exists, but it is not a directory, \ lost files will not be linked\n"); set_key_objectid(&lost_found_dir_key, 0); pathrelse(&path); return; } lost_found_dir_format = (get_ih_item_len(tp_item_head(&path)) == SD_SIZE) ? KEY_FORMAT_2 : KEY_FORMAT_1; pathrelse(&path); } /* add "." and ".." if any of them do not exist */ reiserfs_add_entry(fs, &lost_found_dir_key, ".", name_length(".", lost_found_dir_format), &lost_found_dir_key, 1 << IH_Unreachable); reiserfs_add_entry(fs, &lost_found_dir_key, "..", name_length("..", lost_found_dir_format), &root_dir_key, 1 << IH_Unreachable); item_len = reiserfs_add_entry(fs, &root_dir_key, "lost+found", name_length("lost+found", root_dir_format), &lost_found_dir_key, 1 << IH_Unreachable); if (item_len) { struct item_head *ih; if (reiserfs_search_by_key_4(fs, &root_dir_key, &path) == ITEM_NOT_FOUND) reiserfs_panic ("%s: StatData of the root directory must exists", __FUNCTION__); bh = get_bh(&path); ih = tp_item_head(&path); sd = tp_item_body(&path); get_sd_size(ih, sd, &sd_size); sd_size += item_len; set_sd_size(ih, sd, &sd_size); sd_blocks = dir_size2st_blocks(sd_size); set_sd_blocks(ih, sd, &sd_blocks); mark_buffer_dirty(bh); pathrelse(&path); } return; } /* Result of the rebuild pass will be saved in the state file which is needed to start * fsck again from the next pass. */ static void save_rebuild_semantic_result(reiserfs_filsys_t fs) { FILE *file; int retval; file = open_file("temp_fsck_file.deleteme", "w+"); if (!file) return; reiserfs_begin_stage_info_save(file, SEMANTIC_DONE); /* Method not implemented yet. reiserfs_objectid_map_save (file, semantic_id_map (fs)); */ reiserfs_end_stage_info_save(file); close_file(file); retval = rename("temp_fsck_file.deleteme", state_dump_file(fs)); if (retval != 0) fsck_progress ("%s: Could not rename the temporary file temp_fsck_file.deleteme to %s", __FUNCTION__, state_dump_file(fs)); } /* we have nothing to load from a state file, but we have to fetch on-disk bitmap, copy it to allocable bitmap, and fetch objectid map */ void load_semantic_result(FILE * file, reiserfs_filsys_t fs) { fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_new_bitmap(fs), fs->fs_bitmap2); fsck_allocable_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_allocable_bitmap(fs), fs->fs_bitmap2); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; /* we need objectid map on semantic pass to be able to relocate files */ proper_id_map(fs) = id_map_init(); /* Not implemented yet. fetch_objectid_map (proper_id_map (fs), fs); semantic_id_map (fs) = reiserfs_objectid_map_load (file); */ } static void before_pass_3(reiserfs_filsys_t fs) { semantic_id_map(fs) = id_map_init(); } static void after_pass_3(reiserfs_filsys_t fs) { /* update super block: objectid map, fsck state */ set_sb_fs_state(fs->fs_ondisk_sb, SEMANTIC_DONE); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); id_map_flush(proper_id_map(fs), fs); fs->fs_dirt = 1; reiserfs_flush_to_ondisk_bitmap(fsck_new_bitmap(fs), fs); reiserfs_flush(fs); fsck_progress("finished\n"); stage_report(3, fs); if (!fsck_run_one_step(fs)) { if (fsck_user_confirmed(fs, "Continue? (Yes):", "Yes\n", 1)) /* reiserfsck continues */ return; } save_rebuild_semantic_result(fs); id_map_free(proper_id_map(fs)); proper_id_map(fs) = NULL; fs->fs_dirt = 1; reiserfs_close(fs); exit(0); } /* this is part of rebuild tree */ void pass_3_semantic(reiserfs_filsys_t fs) { before_pass_3(fs); fsck_progress("Pass 3 (semantic):\n"); /* when warnings go not to stderr - separate them in the log */ if (fsck_log_file(fs) != stderr) fsck_log("####### Pass 3 #########\n"); if (!fs->fs_hash_function) reiserfs_panic("Hash function should be selected already"); make_sure_root_dir_exists(fs, modify_item, 1 << IH_Unreachable); make_sure_lost_found_exists(fs); id_map_mark(proper_id_map(fs), get_key_objectid(&root_dir_key)); id_map_mark(proper_id_map(fs), get_key_objectid(&lost_found_dir_key)); /* link all relocated files into /lost+found directory */ link_relocated_files(); rebuild_semantic_pass(&root_dir_key, &parent_root_dir_key, 0 /*!dot_dot */ , NULL /*reloc_ih */ ); add_badblock_list(fs, 1); after_pass_3(fs); } reiserfsprogs-3.6.25/fsck/pass4.c0000644000175000001440000000360612310423334013545 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" void pass_4_check_unaccessed_items(void) { struct reiserfs_key key; struct reiserfs_path path; int i; struct buffer_head *bh; struct item_head *ih; unsigned long items; const struct reiserfs_key *rdkey; path.path_length = ILLEGAL_PATH_ELEMENT_OFFSET; key = root_dir_key; fsck_progress("Pass 4 - "); items = 0; while (reiserfs_search_by_key_4(fs, &key, &path) == ITEM_FOUND) { bh = PATH_PLAST_BUFFER(&path); /* print ~ how many leaves were scanned and how fast it was */ if (!fsck_quiet(fs)) print_how_fast(items++, 0, 50, 0); for (i = get_item_pos(&path), ih = tp_item_head(&path); i < B_NR_ITEMS(bh); i++, ih++) { if (!is_item_reachable(ih)) { PATH_LAST_POSITION(&path) = i; rdkey = reiserfs_next_key(&path); if (rdkey) key = *rdkey; else memset(&key, 0xff, KEY_SIZE); pass_4_stat(fs)->deleted_items++; reiserfsck_delete_item(&path, 0); goto cont; } if (get_ih_flags(ih) != 0) { clean_ih_flags(ih); mark_buffer_dirty(bh); } } PATH_LAST_POSITION(&path) = i - 1; rdkey = reiserfs_next_key(&path); if (rdkey) key = *rdkey; else memset(&key, 0xff, KEY_SIZE); pathrelse(&path); cont: /* to make gcc 3.2 do not sware here */ ; } pathrelse(&path); fsck_progress("finished\n"); stage_report(4, fs); /* after pass 4 */ /* put bitmap on place */ reiserfs_bitmap_copy(fs->fs_bitmap2, fsck_new_bitmap(fs)); /* update super block */ set_sb_free_blocks(fs->fs_ondisk_sb, reiserfs_bitmap_zeros(fsck_new_bitmap(fs))); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); fs->fs_dirt = 1; id_map_flush(proper_id_map(fs), fs); reiserfs_flush_to_ondisk_bitmap(fs->fs_bitmap2, fs); reiserfs_flush(fs); fsck_progress("finished\n"); return; } reiserfsprogs-3.6.25/fsck/lost+found.c0000644000175000001440000002561312215632405014612 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" void erase_name(int len); void print_name(char *name, int len); void modify_item(struct item_head *ih, void *item); /* fixme: search_by_key is not needed after any add_entry */ static __u64 _look_for_lost(reiserfs_filsys_t fs, int link_lost_dirs) { struct reiserfs_key key, prev_key, *rdkey; INITIALIZE_REISERFS_PATH(path); int item_pos; struct buffer_head *bh; struct item_head *ih; unsigned long leaves; int is_it_dir; static int lost_files = 0; /* looking for lost dirs we calculate amount of lost files, so that when we will look for lost files we will be able to stop when there are no lost files anymore */ int retval; __u64 size; key = root_dir_key; if (!link_lost_dirs && !lost_files) { /* we have to look for lost files but we know already that there are no any */ return 0; } fsck_progress("Looking for lost %s:\n", link_lost_dirs ? "directories" : "files"); leaves = 0; /* total size of added entries */ size = 0; while (1) { retval = reiserfs_search_by_key_4(fs, &key, &path); /* fixme: we assume path ends up with a leaf */ bh = get_bh(&path); item_pos = get_item_pos(&path); if (retval != ITEM_FOUND) { if (item_pos == get_blkh_nr_items(B_BLK_HEAD(bh))) { rdkey = uget_rkey(&path); if (!rdkey) { pathrelse(&path); break; } key = *rdkey; pathrelse(&path); continue; } /* we are on the item in the buffer */ } /* print ~ how many leaves were scanned and how fast it was */ if (!fsck_quiet(fs)) print_how_fast(leaves++, 0, 50, 0); for (ih = tp_item_head(&path); item_pos < get_blkh_nr_items(B_BLK_HEAD(bh)); item_pos++, ih++, PATH_LAST_POSITION(&path)++) { if (is_item_reachable(ih)) continue; /* found item which can not be reached */ if (!is_direntry_ih(ih) && !is_stat_data_ih(ih)) { continue; } if (is_direntry_ih(ih)) { /* if this directory has no stat data - try to recover it */ struct reiserfs_key sd; struct reiserfs_path tmp; sd = ih->ih_key; set_type_and_offset(KEY_FORMAT_1, &sd, SD_OFFSET, TYPE_STAT_DATA); if (reiserfs_search_by_key_4(fs, &sd, &tmp) == ITEM_FOUND) { /* should not happen - because if there were a stat data - we would have done with the whole directory */ pathrelse(&tmp); continue; } lost_found_pass_stat(fs)->dir_recovered++; create_dir_sd(fs, &tmp, &sd, modify_item); id_map_mark(proper_id_map(fs), get_key_objectid(&sd)); key = sd; pathrelse(&path); goto cont; } /* stat data marked "not having name" found */ if (is_stat_data_ih(tp_item_head(&path))) fix_obviously_wrong_sd_mode(&path); is_it_dir = ((not_a_directory(ih_item_body(bh, ih))) ? 0 : 1); if (is_it_dir) { struct reiserfs_key tmp_key; INITIALIZE_REISERFS_PATH(tmp_path); struct item_head *tmp_ih; /* there is no need to link empty lost directories into /lost+found */ tmp_key = ih->ih_key; set_type_and_offset(KEY_FORMAT_1, &tmp_key, 0xffffffff, TYPE_DIRENTRY); reiserfs_search_by_key_4(fs, &tmp_key, &tmp_path); tmp_ih = tp_item_head(&tmp_path); tmp_ih--; if (not_of_one_file(&tmp_key, tmp_ih)) reiserfs_panic("not directory found"); if (!is_direntry_ih(tmp_ih) || (get_deh_offset (B_I_DEH(get_bh(&tmp_path), tmp_ih) + get_ih_entry_count(tmp_ih) - 1) == DOT_DOT_OFFSET)) { /* last directory item is either stat data or empty directory item - do not link this dir into lost+found */ lost_found_pass_stat(fs)-> empty_lost_dirs++; pathrelse(&tmp_path); continue; } pathrelse(&tmp_path); } if (link_lost_dirs && !is_it_dir) { /* we are looking for directories and it is not a dir */ lost_files++; continue; } lost_found_pass_stat(fs)->lost_found++; { struct reiserfs_key obj_key = { 0, 0, {{0, 0},} }; char *lost_name; struct item_head tmp_ih; /* key to continue */ key = ih->ih_key; set_key_objectid(&key, get_key_objectid(&key) + 1); tmp_ih = *ih; if (id_map_test (semantic_id_map(fs), get_key_objectid(&ih->ih_key))) { /* objectid is used, relocate an object */ lost_found_pass_stat(fs)->oid_sharing++; if (is_it_dir) { relocate_dir(&tmp_ih, 1); lost_found_pass_stat(fs)-> oid_sharing_dirs_relocated++; } else { rewrite_file(&tmp_ih, 1, 1); lost_found_pass_stat(fs)-> oid_sharing_files_relocated++; } linked_already(&tmp_ih.ih_key); } else { if (!is_it_dir) id_map_mark(semantic_id_map(fs), get_key_objectid (&ih->ih_key)); } asprintf(&lost_name, "%u_%u", get_key_dirid(&tmp_ih.ih_key), get_key_objectid(&tmp_ih.ih_key)); /* entry in lost+found directory will point to this key */ set_key_dirid(&obj_key, get_key_dirid(&tmp_ih.ih_key)); set_key_objectid(&obj_key, get_key_objectid(&tmp_ih. ih_key)); pathrelse(&path); /* 0 does not mean anyting - item with "." and ".." already exists and reached, so only name will be added */ size += reiserfs_add_entry(fs, &lost_found_dir_key, lost_name, name_length(lost_name, lost_found_dir_format), &obj_key, 0 /*fsck_need */ ); if (is_it_dir) { /* fixme: we hope that if we will try to pull all the directory right now - then there will be less lost_found things */ print_name(lost_name, strlen(lost_name)); /*fsck_progress ("\tChecking lost dir \"%s\":", lost_name); */ rebuild_semantic_pass(&obj_key, &lost_found_dir_key, /*dot_dot */ 0, /*reloc_ih */ NULL); erase_name(strlen(lost_name)); /*fsck_progress ("finished\n"); */ lost_found_pass_stat(fs)-> lost_found_dirs++; } else { if (reiserfs_search_by_key_4 (fs, &obj_key, &path) != ITEM_FOUND) reiserfs_panic ("look_for_lost: lost file stat data %K not found", &obj_key); /* check_regular_file does not mark stat data reachable */ mark_item_reachable(tp_item_head(&path), get_bh(&path)); rebuild_check_regular_file(&path, tp_item_body (&path), NULL /*reloc_ih */ ); pathrelse(&path); lost_found_pass_stat(fs)-> lost_found_files++; lost_files--; } free(lost_name); goto cont; } } /* for */ prev_key = key; PATH_LAST_POSITION(&path) = item_pos - 1; rdkey = reiserfs_next_key(&path); if (rdkey) key = *rdkey; else break; if (comp_keys(&prev_key, &key) != -1) reiserfs_panic ("pass_3a: key must grow 2: prev=%k next=%k", &prev_key, &key); pathrelse(&path); cont: if (!link_lost_dirs && !lost_files) { break; } } pathrelse(&path); #if 0 /* check names added we just have added to/lost+found. Those names are marked DEH_Lost_found flag */ fsck_progress("Checking lost+found directory.."); fflush(stdout); check_semantic_tree(&lost_found_dir_key, &root_dir_key, 0, 1 /* lost+found */ ); fsck_progress("finished\n"); #endif return size; } static void save_lost_found_result(reiserfs_filsys_t fs) { FILE *file; int retval; /* save bitmaps with which we will be able start reiserfs from pass 1 */ file = open_file("temp_fsck_file.deleteme", "w+"); if (!file) return; reiserfs_begin_stage_info_save(file, LOST_FOUND_DONE); reiserfs_end_stage_info_save(file); close_file(file); retval = rename("temp_fsck_file.deleteme", state_dump_file(fs)); if (retval != 0) fsck_progress ("pass 0: Could not rename the temporary file temp_fsck_file.deleteme to %s", state_dump_file(fs)); } /* we have nothing to load from a state file, but we have to fetch on-disk bitmap, copy it to allocable bitmap, and fetch objectid map */ void load_lost_found_result(reiserfs_filsys_t fs) { fsck_new_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_new_bitmap(fs), fs->fs_bitmap2); fsck_allocable_bitmap(fs) = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(fsck_allocable_bitmap(fs), fs->fs_bitmap2); fs->block_allocator = reiserfsck_reiserfs_new_blocknrs; fs->block_deallocator = reiserfsck_reiserfs_free_block; /* we need objectid map on semantic pass to be able to relocate files */ proper_id_map(fs) = id_map_init(); /* Not implemented yet. fetch_objectid_map (proper_id_map (fs), fs); */ } static void after_lost_found(reiserfs_filsys_t fs) { /* update super block: objectid map, fsck state */ set_sb_fs_state(fs->fs_ondisk_sb, LOST_FOUND_DONE); mark_buffer_dirty(fs->fs_super_bh); /* write all dirty blocks */ fsck_progress("Flushing.."); id_map_flush(proper_id_map(fs), fs); fs->fs_dirt = 1; reiserfs_flush_to_ondisk_bitmap(fsck_new_bitmap(fs), fs); reiserfs_flush(fs); fsck_progress("finished\n"); stage_report(0x3a, fs); if (!fsck_run_one_step(fs)) { if (fsck_user_confirmed(fs, "Continue? (Yes):", "Yes\n", 1)) /* reiserfsck continues */ return; } save_lost_found_result(fs); id_map_free(proper_id_map(fs)); proper_id_map(fs) = NULL; fs->fs_dirt = 1; reiserfs_close(fs); exit(EXIT_OK); } void pass_3a_look_for_lost(reiserfs_filsys_t fs) { INITIALIZE_REISERFS_PATH(path); struct item_head *ih; void *sd; __u64 size, sd_size; __u32 blocks; __u16 mode; __u32 objectid; unsigned int gen_counter; fsck_progress("Pass 3a (looking for lost dir/files):\n"); /* when warnings go not to stderr - separate them in the log */ if (fsck_log_file(fs) != stderr) fsck_log("####### Pass 3a (lost+found pass) #########\n"); /* look for lost dirs first */ size = _look_for_lost(fs, 1); /* link files which are still lost */ size += _look_for_lost(fs, 0); /* update /lost+found sd_size and sd_blocks (nlink is correct already) */ objectid = reiserfs_find_entry(fs, &root_dir_key, "lost+found", &gen_counter, &lost_found_dir_key); if (!objectid) { reiserfs_panic ("look_for_lost: The entry 'lost+found' could not be found in the root directory."); } if (reiserfs_search_by_key_4(fs, &lost_found_dir_key, &path) != ITEM_FOUND) reiserfs_panic ("look_for_lost: The StatData of the 'lost+found' directory %K could not be found", &lost_found_dir_key); ih = tp_item_head(&path); sd = tp_item_body(&path); get_sd_size(ih, sd, &sd_size); size += sd_size; blocks = dir_size2st_blocks(size); set_sd_size(ih, sd, &size); set_sd_blocks(ih, sd, &blocks); /* make lost+found to be drwx------ */ mode = S_IFDIR | S_IRUSR | S_IWUSR | S_IXUSR; set_sd_mode(ih, sd, &mode); mark_buffer_dirty(get_bh(&path)); pathrelse(&path); after_lost_found(fs); } reiserfsprogs-3.6.25/fsck/ubitmap.c0000644000175000001440000000762212215632405014163 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" /* g_disk_bitmap initially contains copy of disk bitmaps (cautious version of it); g_new_bitmap initially has marked only super block, bitmap blocks and bits after the end of bitmap in pass 1 we go through g_disk_bitmap. If block does not look like formatted node, we skip it. If block contains internal node, put 0 in g_disk_bitmap if block is not used in new tree yet. If block contains leaf and is used already (by an indirect item handled already to this time) save all items. They will be inserted into tree after pass 1. If block looking like leaf is not used in the new tree, try to insert in into tree. If it is not possible, mark block in g_uninsertable_leaf_bitmap. Blocks marked in this bitmap will be inserted into tree in pass 2. They can not be This means, that in pass 1 when we have found block containing the internal nodes we mark it in g_disk_bitmap as free (reiserfs_free_internal_block). When block gets into new tree it is marked in g_new_bitmap (mark_block_used) When collecting resources for do_balance, we mark new blocks with mark_block_used. After do_balance we unmark unused new blocks in g_new_bitmap (bitmap.c:/reiserfs_free_block) Allocating of new blocks: look for 0 bit in g_disk_bitmap (find_zero_bit_in_bitmap), make sure, that g_new_bitmap contains 0 at the corresponding bit (is_block_used). */ /* is blocks used (marked by 1 in new bitmap) in the tree which is being built (as leaf, internal, bitmap, or unformatted node) */ int is_block_used(unsigned long block) { return reiserfs_bitmap_test_bit(fsck_new_bitmap(fs), block); } void mark_block_used(unsigned long block, int check_hardware) { if (!block) return; if (is_block_used(block)) { if (check_hardware) check_memory_msg(); die("mark_block_used: (%lu) used already", block); } reiserfs_bitmap_set_bit(fsck_new_bitmap(fs), block); } static void mark_block_free(unsigned long block) { if (!is_block_used(block)) die("mark_block_free: (%lu) is free already", block); reiserfs_bitmap_clear_bit(fsck_new_bitmap(fs), block); } int is_block_uninsertable(unsigned long block) { return !reiserfs_bitmap_test_bit(fsck_uninsertables(fs), block); } /* uninsertable block is marked by bit clearing */ void mark_block_uninsertable(unsigned long block) { if (is_block_uninsertable(block)) die("mark_block_uninsertable: (%lu) is uninsertable already", block); reiserfs_bitmap_clear_bit(fsck_uninsertables(fs), block); /* we do not need thsi actually */ pass_1_stat(fs)->uninsertable_leaves++; } /* FIXME: should be able to work around no disk space */ int reiserfsck_reiserfs_new_blocknrs(reiserfs_filsys_t fs, unsigned long *free_blocknrs, unsigned long start, int amount_needed) { int i; if (!are_there_allocable_blocks(amount_needed)) die("out of disk space"); for (i = 0; i < amount_needed; i++) { free_blocknrs[i] = alloc_block(); if (!free_blocknrs[i]) die("reiserfs_new_blocknrs: 0 is allocated"); mark_block_used(free_blocknrs[i], 0); } return CARRY_ON; } // FIXME: do you check readability of a block? If f_read fails - you // free block in bitmap or if you mark bad blocks used to avoid their // allocation in future you should have bad block counter in a super // block. Another minor issue: users of _get_new_buffer expect buffer // to be filled with 0s struct buffer_head *reiserfsck_get_new_buffer(unsigned long start) { unsigned long blocknr = 0; struct buffer_head *bh = NULL; reiserfs_new_blocknrs(fs, &blocknr, start, 1); bh = getblk(fs->fs_dev, blocknr, fs->fs_blocksize); return bh; } /* free block in new bitmap */ int reiserfsck_reiserfs_free_block(reiserfs_filsys_t fs, unsigned long block) { mark_block_free(block); /* put it back to pool of blocks for allocation */ make_allocable(block); return 0; } reiserfsprogs-3.6.25/fsck/uobjectid.c0000644000175000001440000002041112215632405014461 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" /* when --check fsck builds a map of objectids of files it finds in the tree when --rebuild-tree - fsck builds map of objectids it inserts into tree */ #define ALLOC_SIZE 1024 #define MAX_ID (~(__u32)0) /* 2 bytes for the counter */ #define BM_SIZE (ALLOC_SIZE - sizeof(__u16)) #define BM_INTERVAL (BM_SIZE * 8) #define INDEX_COUNT ((MAX_ID / BM_INTERVAL) + 1) #define id_map_interval(map, id) (map->index + (id / BM_INTERVAL)) #define id_map_local_count(interval) (interval + BM_SIZE) /* typedef struct sb_id_map { __u32 * m_begin; __u32 m_size, m_used_slot_count; } sb_id_map_t; */ id_map_t *id_map_init() { id_map_t *map; __u32 i; map = getmem(sizeof(id_map_t)); map->index = mem_alloc(INDEX_COUNT * sizeof(void *)); for (i = 0; i < INDEX_COUNT; i++) { if (map->index[i] != (void *)0) map->index[i] = (void *)0; } id_map_mark(map, 0); id_map_mark(map, 1); /* id == 0 should not be there, just for convinient usage */ map->count--; return map; } void id_map_free(id_map_t *map) { __u32 i; for (i = 0; i < INDEX_COUNT; i++) { if (map->index[i] != (void *)0 && map->index[i] != (void *)1) freemem(map->index[i]); } freemem(map->index); freemem(map); } int id_map_test(id_map_t *map, __u32 id) { void **interval = id_map_interval(map, id); if (*interval == (void *)0) return 0; if (*interval == (void *)1) return 1; return misc_test_bit(id % BM_INTERVAL, *interval); } int id_map_mark(id_map_t *map, __u32 id) { void **interval = id_map_interval(map, id); if (*interval == (void *)0) *interval = getmem(ALLOC_SIZE); if (*interval == (void *)1) return 1; if (misc_test_bit(id % BM_INTERVAL, *interval)) return 1; misc_set_bit(id % BM_INTERVAL, *interval); (*(__u16 *) id_map_local_count(*interval))++; map->count++; if ((*(__u16 *) id_map_local_count(*interval)) == BM_INTERVAL) { /* Dealloc fully used bitmap */ freemem(*interval); *interval = (void *)1; } if (map->last_used < (id / BM_INTERVAL)) map->last_used = id / BM_INTERVAL; return 0; } /* call this for proper_id_map only!! */ __u32 id_map_alloc(id_map_t *map) { __u32 i, zero_count; __u32 id = 0, first = ~(__u32) 0; for (i = 0, zero_count = 0; zero_count < 10 && i < INDEX_COUNT - 1; i++) { if (map->index[i] == (void *)0) { if (zero_count == 0) first = i; zero_count++; } else if (map->index[i] != (void *)1) break; } if (map->index[i] != (void *)1 && map->index[i] != (void *)0) { id = misc_find_first_zero_bit(map->index[i], BM_INTERVAL); if (id >= BM_INTERVAL) die("Id is out of interval size, interval looks corrupted."); id += i * BM_INTERVAL; } else if (first != ~(__u32) 0) { id = first * BM_INTERVAL; if (id == 0) id = 2; } else die("%s: No more free objectid is available.", __FUNCTION__); id_map_mark(map, id); return id; } /* this could be used if some more sofisticated flushing will be needed. */ /* static void sb_id_map_pack(sb_id_map_t *map) { map->m_begin[1] = map->m_begin[map->m_used_slot_count - 1]; memset(map->m_begin + 2, 0, map->m_used_slot_count - 2); map->m_used_slot_count = 2; }*/ static __u32 id_map_next_bound(id_map_t *map, __u32 start) { __u32 index = start / BM_INTERVAL; __u32 offset = start % BM_INTERVAL; int look_for; if (map->index[index] == (void *)0) look_for = 1; else if (map->index[index] == (void *)1) look_for = 0; else look_for = !misc_test_bit(offset, map->index[index]); offset++; start_again: if (look_for) { while (index < INDEX_COUNT && map->index[index] == (void *)0) index++; if (index == INDEX_COUNT) return 0; if (map->index[index] == (void *)1) return index * BM_INTERVAL; offset = misc_find_next_set_bit(map->index[index], BM_INTERVAL, offset); if (offset >= BM_INTERVAL) { offset = 0; index++; goto start_again; } return index * BM_INTERVAL + offset; } else { while (index < INDEX_COUNT && map->index[index] == (void *)1) index++; if (index == INDEX_COUNT) return 0; if (map->index[index] == (void *)0) return index * BM_INTERVAL; offset = misc_find_next_zero_bit(map->index[index], BM_INTERVAL, offset); if (offset >= BM_INTERVAL) { offset = 0; index++; goto start_again; } return index * BM_INTERVAL + offset; } } void id_map_flush(struct id_map *map, reiserfs_filsys_t fs) { int size, max, i; __u32 id, prev_id; __le32 *sb_objectid_map; size = reiserfs_super_block_size(fs->fs_ondisk_sb); sb_objectid_map = (__le32 *) ((char *)(fs->fs_ondisk_sb) + size); max = ((fs->fs_blocksize - size) >> 3 << 1); set_sb_oid_maxsize(fs->fs_ondisk_sb, max); id = 1; sb_objectid_map[0] = cpu_to_le32(1); for (i = 1; i < max - 1; i++) { id = id_map_next_bound(map, id); sb_objectid_map[i] = cpu_to_le32(id); if (id == 0) { if (i % 2) die("%s: Used interval is not closed on flushing.", __FUNCTION__); break; } } if (map->index[map->last_used] == (void *)0) die("Object id map looks corrupted - last used interval cannot be zeroed."); i++; if (i == max) { if (id == 0) die("Objectid interval does not contain any set bit what is expected."); if (map->index[map->last_used] == (void *)1) { prev_id = BM_INTERVAL - 1; } else { prev_id = ~(__u32) 0; if (id < map->last_used * BM_INTERVAL) id = 0; else id %= BM_INTERVAL; if (misc_test_bit(id, map->index[map->last_used])) prev_id = id; while ((id = misc_find_next_set_bit(map-> index[map->last_used], BM_INTERVAL, (id + 1))) != BM_INTERVAL) { prev_id = id; } if (prev_id == ~(__u32) 0) die("Objectid interval does not contain any set bit what is expected."); prev_id++; } sb_objectid_map[max - 1] = cpu_to_le32(prev_id + map->last_used * BM_INTERVAL); } else { i--; memset(sb_objectid_map + i, 0, (max - i) * sizeof(__u32)); } set_sb_oid_cursize(fs->fs_ondisk_sb, i); } /* FIXME: these 3 methods must be implemented also. void fetch_objectid_map (struct id_map * map, reiserfs_filsys_t fs) { int sb_size; __le32 * sb_objectid_map; sb_size = reiserfs_super_block_size (fs->fs_ondisk_sb); sb_objectid_map = (__le32 *)((char *)(fs->fs_ondisk_sb) + sb_size); if (map->m_page_count != 1) die ("fetch_objectid_map: can not fetch long map"); make_id_space(map, 0); memcpy (map->m_begin, sb_objectid_map, get_sb_oid_cursize (fs->fs_ondisk_sb) * sizeof (__u32)); map->m_used_slot_count = get_sb_oid_cursize (fs->fs_ondisk_sb); } #define OBJMAP_START_MAGIC 375331 #define OBJMAP_END_MAGIC 7700472 void reiserfs_objectid_map_save (FILE * fp, struct id_map * id_map) { __u32 v; int i; v = OBJMAP_START_MAGIC; fwrite (&v, 4, 1, fp); v = id_map->m_used_slot_count; fwrite (&v, 4, 1, fp); for (i = 0; i < id_map->m_page_count - 1; i++) { fwrite ((char *)id_map->m_begin + MAP_SIZE * i, 4, 1, fp); } for (i = 0; i < id_map->m_used_slot_count * sizeof(__u32) - (id_map->m_page_count - 1) * MAP_SIZE; i++) { fwrite ((char *)id_map->m_begin + MAP_SIZE * (id_map->m_page_count - 1) + i, 4, 1, fp); } v = OBJMAP_END_MAGIC; fwrite (&v, 4, 1, fp); } struct id_map * reiserfs_objectid_map_load (FILE * fp) { __u32 v; int i; struct id_map * id_map; fread (&v, 4, 1, fp); if (v != OBJMAP_START_MAGIC) { reiserfs_warning (stderr, "reiserfs_objectid_map_load: no objectid map begin magic found"); return 0; } // read bit size of objectid map fread (&v, 4, 1, fp); id_map = init_id_map (MAP_NOT_PACKED); id_map->m_used_slot_count = v; id_map->m_page_count = v / MAP_SIZE + 1; id_map->m_begin = expandmem (id_map->m_begin, 0, id_map->m_page_count * MAP_SIZE); for (i = 0; i < id_map->m_page_count - 1; i++) { fread ((char *)id_map->m_begin + MAP_SIZE * i, 4, 1, fp); } for (i = 0; i < id_map->m_used_slot_count * sizeof(__u32) - (id_map->m_page_count - 1) * MAP_SIZE; i++) { fread ((char *)id_map->m_begin + MAP_SIZE * (id_map->m_page_count - 1) + i, 4, 1, fp); } fread (&v, 4, 1, fp); if (v != OBJMAP_END_MAGIC) { reiserfs_warning (stderr, "reiserfs_objectid_map_load: no objectid map end magic found"); return 0; } fflush (stderr); return id_map; } */ reiserfsprogs-3.6.25/fsck/ustree.c0000644000175000001440000001670212215632405014030 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" #include "progbar.h" struct tree_balance *cur_tb = 0; void reiserfsck_paste_into_item(struct reiserfs_path *path, const char *body, int size) { struct tree_balance tb; init_tb_struct(&tb, fs, path, size); if (fix_nodes( /*tb.transaction_handle, */ M_PASTE, &tb, 0 /*ih */ ) != CARRY_ON) //fix_nodes(options, tree_balance, ih_to_option, body_to_option) die("reiserfsck_paste_into_item: fix_nodes failed"); do_balance( /*tb.transaction_handle, */ &tb, 0, body, M_PASTE, 0 /*zero num */ ); } void reiserfsck_insert_item(struct reiserfs_path *path, struct item_head *ih, const char *body) { struct tree_balance tb; init_tb_struct(&tb, fs, path, IH_SIZE + get_ih_item_len(ih)); if (fix_nodes ( /*tb.transaction_handle, */ M_INSERT, &tb, ih /*, body */ ) != CARRY_ON) die("reiserfsck_insert_item: fix_nodes failed"); do_balance( /*tb.transaction_handle, */ &tb, ih, body, M_INSERT, 0 /*zero num */ ); } static void free_unformatted_nodes(struct item_head *ih, struct buffer_head *bh) { __le32 *punfm = (__le32 *) ih_item_body(bh, ih); unsigned int i; for (i = 0; i < I_UNFM_NUM(ih); i++) { __u32 unfm = d32_get(punfm, i); if (unfm != 0) { struct buffer_head *to_be_forgotten; to_be_forgotten = find_buffer(fs->fs_dev, unfm, fs->fs_blocksize); if (to_be_forgotten) { //atomic_inc(&to_be_forgotten->b_count); to_be_forgotten->b_count++; bforget(to_be_forgotten); } reiserfs_free_block(fs, unfm); } } } void reiserfsck_delete_item(struct reiserfs_path *path, int temporary) { struct tree_balance tb; struct item_head *ih = tp_item_head(path); if (is_indirect_ih(ih) && !temporary) free_unformatted_nodes(ih, PATH_PLAST_BUFFER(path)); init_tb_struct(&tb, fs, path, -(IH_SIZE + get_ih_item_len(ih))); if (fix_nodes( /*tb.transaction_handle, */ M_DELETE, &tb, 0 /*ih */ ) != CARRY_ON) die("reiserfsck_delete_item: fix_nodes failed"); do_balance( /*tb.transaction_handle, */ &tb, 0, 0, M_DELETE, 0 /*zero num */ ); } void reiserfsck_cut_from_item(struct reiserfs_path *path, int cut_size) { struct tree_balance tb; struct item_head *ih; if (cut_size >= 0) die("reiserfsck_cut_from_item: cut size == %d", cut_size); if (is_indirect_ih(ih = tp_item_head(path))) { struct buffer_head *bh = PATH_PLAST_BUFFER(path); __u32 unfm_ptr = d32_get((__le32 *)ih_item_body(bh, ih), I_UNFM_NUM(ih) - 1); if (unfm_ptr != 0) { struct buffer_head *to_be_forgotten; to_be_forgotten = find_buffer(fs->fs_dev, unfm_ptr, fs->fs_blocksize); if (to_be_forgotten) { //atomic_inc(&to_be_forgotten->b_count); to_be_forgotten->b_count++; bforget(to_be_forgotten); } reiserfs_free_block(fs, unfm_ptr); } } init_tb_struct(&tb, fs, path, cut_size); if (fix_nodes( /*tb.transaction_handle, */ M_CUT, &tb, 0) != CARRY_ON) die("reiserfsck_cut_from_item: fix_nodes failed"); do_balance( /*tb.transaction_handle, */ &tb, 0, 0, M_CUT, 0 /*zero num */ ); } /* uget_rkey is utils clone of stree.c/get_rkey */ /* struct reiserfs_key *uget_rkey (struct reiserfs_path *path) { int pos, offset = path->path_length; struct buffer_head * bh; if (offset < FIRST_PATH_ELEMENT_OFFSET) die ("uget_rkey: illegal offset in the path (%d)", offset); while (offset-- > FIRST_PATH_ELEMENT_OFFSET) { if (! buffer_uptodate (PATH_OFFSET_PBUFFER (path, offset))) die ("uget_rkey: parent is not uptodate"); // Parent at the path is not in the tree now. if (! B_IS_IN_TREE (bh = PATH_OFFSET_PBUFFER (path, offset))) die ("uget_rkey: buffer on the path is not in tree"); // Check whether position in the parrent is correct. if ((pos = PATH_OFFSET_POSITION (path, offset)) > B_NR_ITEMS (bh)) die ("uget_rkey: invalid position (%d) in the path", pos); // Check whether parent at the path really points to the child. if (get_dc_child_blocknr (B_N_CHILD (bh, pos)) != PATH_OFFSET_PBUFFER (path, offset + 1)->b_blocknr) die ("uget_rkey: invalid block number (%d). Must be %ld", get_dc_child_blocknr (B_N_CHILD (bh, pos)), PATH_OFFSET_PBUFFER (path, offset + 1)->b_blocknr); // Return delimiting key if position in the parent is not the last one. if (pos != B_NR_ITEMS (bh)) return internal_key(bh, pos); } // there is no right delimiting key return 0; } */ static unsigned long first_child(struct buffer_head *bh) { return get_dc_child_blocknr(B_N_CHILD(bh, 0)); } #if 0 static unsigned long last_child(struct buffer_head *bh) { return child_block_number(bh, node_item_number(bh)); } #endif static unsigned long get_child(int pos, struct buffer_head *parent) { if (pos == -1) return -1; if (pos > B_NR_ITEMS(parent)) die("get_child: no child found, should not happen: %d of %d", pos, B_NR_ITEMS(parent)); return get_dc_child_blocknr(B_N_CHILD(parent, pos)); } static void print(int cur, int total) { if (fsck_quiet(fs)) return; printf("/%3d (of %3d)", cur, total); fflush(stdout); } /* erase /XXX(of XXX) */ static void erase(void) { if (fsck_quiet(fs)) return; printf("\b\b\b\b\b\b\b\b\b\b\b\b\b"); printf(" "); printf("\b\b\b\b\b\b\b\b\b\b\b\b\b"); fflush(stdout); } void pass_through_tree(reiserfs_filsys_t fs, do_after_read_t action1, do_on_full_path_t action2, int depth) { struct buffer_head *path[MAX_HEIGHT] = { 0, }; int total[MAX_HEIGHT] = { 0, }; int cur[MAX_HEIGHT] = { 0, }; int h = 0; unsigned long block = get_sb_root_block(fs->fs_ondisk_sb); int problem; struct spinner spinner; spinner_init(&spinner, fsck_progress_file(fs)); if (block >= get_sb_block_count(fs->fs_ondisk_sb) || not_data_block(fs, block)) { die("\nBad root block %lu. (--rebuild-tree did not complete)\n", block); } while (1) { problem = 0; if (path[h]) die("pass_through_tree: empty slot expected"); if (h) print(cur[h - 1], total[h - 1]); if (fs->fs_badblocks_bm && reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, block)) { fsck_log ("%s: block %lu specified in badblock list found in tree, whole subtree skipped\n", __FUNCTION__, block); fsck_data(fs)->check.bad_nodes++; one_more_corruption(fs, FATAL); if (h == 0) { brelse(path[h]); path[h] = 0; break; } problem = 1; } else { spinner_touch(&spinner); path[h] = bread(fs->fs_dev, block, fs->fs_blocksize); if (path[h] == 0) /* FIXME: handle case when read failed */ die("pass_through_tree: unable to read %lu block on device 0x%x\n", block, fs->fs_dev); if (action1) if ((problem = action1(fs, path, h))) { fsck_log (" the problem in the internal node occured (%lu), whole subtree is skipped\n", path[h]->b_blocknr); fsck_data(fs)->check.bad_nodes++; if (h == 0) { brelse(path[h]); path[h] = 0; break; } } } /* Time to stop. */ if (h == depth) problem++; if (problem || is_leaf_node(path[h])) { if (!problem && action2) action2(fs, path, h); brelse(path[h]); if (h) erase(); while (h && (cur[h - 1] == total[h - 1] || problem)) { problem = 0; path[h] = 0; h--; brelse(path[h]); if (h) erase(); } if (h == 0) { path[h] = 0; break; } block = get_child(cur[h - 1], path[h - 1]); cur[h - 1]++; path[h] = 0; continue; } total[h] = B_NR_ITEMS(path[h]) + 1; cur[h] = 1; block = first_child(path[h]); h++; } spinner_clear(&spinner); } reiserfsprogs-3.6.25/fsck/ufile.c0000644000175000001440000012243712310423334013623 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" static int do_items_have_the_same_type(const struct item_head *ih, const struct reiserfs_key *key) { return (get_type(&ih->ih_key) == get_type(key)) ? 1 : 0; } static int are_items_in_the_same_node(const struct reiserfs_path *path) { return (PATH_LAST_POSITION(path) < B_NR_ITEMS(PATH_PLAST_BUFFER(path)) - 1) ? 1 : 0; } static void cut_last_unfm_pointer(struct reiserfs_path *path, struct item_head *ih) { set_ih_free_space(ih, 0); if (I_UNFM_NUM(ih) == 1) reiserfsck_delete_item(path, 0); else reiserfsck_cut_from_item(path, -((int)UNFM_P_SIZE)); } /* if this is not a symlink - make it of_this_size; otherwise find a size and return it in symlink_size; */ static unsigned long indirect_to_direct(struct reiserfs_path *path, __u64 len, int symlink) { struct buffer_head *bh = PATH_PLAST_BUFFER(path); struct item_head *ih = tp_item_head(path); __u32 unfm_ptr; struct buffer_head *unfm_bh = NULL; struct item_head ins_ih; char *buf; char bad_drct[fs->fs_blocksize]; /* direct item to insert */ memset(&ins_ih, 0, sizeof(ins_ih)); if (symlink) { set_ih_key_format(&ins_ih, KEY_FORMAT_1); } else { set_ih_key_format(&ins_ih, get_ih_key_format(ih)); } set_key_dirid(&ins_ih.ih_key, get_key_dirid(&ih->ih_key)); set_key_objectid(&ins_ih.ih_key, get_key_objectid(&ih->ih_key)); set_type_and_offset(get_ih_key_format(&ins_ih), &ins_ih.ih_key, get_offset(&ih->ih_key) + (I_UNFM_NUM(ih) - 1) * bh->b_size, TYPE_DIRECT); // we do not know what length this item should be unfm_ptr = d32_get((__le32 *) tp_item_body(path), I_UNFM_NUM(ih) - 1); if (unfm_ptr && (unfm_bh = bread(bh->b_dev, unfm_ptr, bh->b_size))) { /* we can read the block */ buf = unfm_bh->b_data; } else { /* we cannot read the block */ if (unfm_ptr) fsck_log ("indirect_to_direct: Reading of the block (%lu), pointed to by the file %K, failed\n", unfm_ptr, &ih->ih_key); memset(bad_drct, 0, fs->fs_blocksize); buf = bad_drct; } /* if (len > MAX_DIRECT_ITEM_LEN (fs->fs_blocksize)) { fsck_log ("indirect_to_direct: canot create such a long item %d (%K), " "Cutting it down to %d byte\n", len, &ih->ih_key, MAX_DIRECT_ITEM_LEN (fs->fs_blocksize) - 8); len = MAX_DIRECT_ITEM_LEN (fs->fs_blocksize) - 8; } if (!len) { buf = bad_link; len = strlen (bad_link); } */ set_ih_item_len(&ins_ih, (get_ih_key_format(ih) == KEY_FORMAT_2) ? ROUND_UP(len) : len); set_ih_free_space(&ins_ih, MAX_US_INT); mark_ih_become_tail(ih); mark_buffer_dirty(bh); // last last unformatted node pointer path->pos_in_item = I_UNFM_NUM(ih) - 1; cut_last_unfm_pointer(path, ih); /* insert direct item */ if (reiserfs_search_by_key_4(fs, &(ins_ih.ih_key), path) == ITEM_FOUND) reiserfs_panic ("indirect_to_direct: The direct item %k should not exist yet.", &(ins_ih.ih_key)); reiserfsck_insert_item(path, &ins_ih, (const char *)(buf)); brelse(unfm_bh); /* put to stat data offset of first byte in direct item */ return get_offset(&ins_ih.ih_key); //offset; } /* start_key is the key after which N items need to be deleted save_here is a pointer where deleted items need to be saved if save is set. start_key is the first undeleted item. return whether we are sure there is nothing else of this file */ int delete_N_items_after_key(struct reiserfs_key *start_key, struct si **save_here, int skip_dir_items, int n_to_delete) { struct reiserfs_path path; // struct reiserfs_key key = *start_key; struct reiserfs_key *rkey; int count = 0; while (1) { reiserfs_search_by_key_4(fs, start_key, &path); if (get_item_pos(&path) == B_NR_ITEMS(get_bh(&path))) { rkey = uget_rkey(&path); if (rkey && !not_of_one_file(start_key, rkey)) { /* file continues in the right neighbor */ copy_key(start_key, rkey); pathrelse(&path); continue; } /* there is no more items with this key */ pathrelse(&path); return 1; } if (is_stat_data_ih(tp_item_head(&path))) fix_obviously_wrong_sd_mode(&path); rkey = &(tp_item_head(&path))->ih_key; if (not_of_one_file(start_key, rkey)) { /* there are no more item with this key */ pathrelse(&path); return 1; } copy_key(start_key, rkey); /* ok, item found, but make sure that it is not a directory one */ if ((is_stat_data_key(rkey) && !not_a_directory(tp_item_body(&path))) || (is_direntry_key(rkey))) { if (skip_dir_items) { /* item of directory found. Leave it in the tree */ set_offset(KEY_FORMAT_1, start_key, get_offset(start_key) + 1); pathrelse(&path); continue; } else { reiserfs_panic ("delete_N_items_after_key: No directory item of %K are " "expected", start_key); } } if (save_here != NULL) *save_here = save_and_delete_file_item(*save_here, &path); else reiserfsck_delete_item(&path, 0); count++; if (count == n_to_delete) break; pathrelse(&path); } return 0; } /* returns 1 when file looks correct, -1 if directory items appeared there, 0 - only holes in the file found */ /* when it returns, key->k_offset is offset of the last item of file */ /* sd_size is zero if we do not need to convert any indirect to direct */ int are_file_items_correct(struct item_head *sd_ih, void *sd, __u64 * size, __u32 * blocks, int mark_passed_items, int *symlink) { struct reiserfs_path path; struct item_head *ih; struct reiserfs_key *next_key, *key; __u32 sd_first_direct_byte = 0; __u64 sd_size; unsigned int i; int retval, was_tail = 0; int had_direct = 0; int key_version = get_ih_key_format(sd_ih); int next_is_another_object = 0; __u64 last_unfm_offset = 0; int will_convert = 0; int should_convert; should_convert = (fsck_mode(fs) != FSCK_REBUILD) || mark_passed_items; key = &sd_ih->ih_key; get_sd_size(sd_ih, sd, &sd_size); if (key_version == KEY_FORMAT_1) get_sd_first_direct_byte(sd_ih, sd, &sd_first_direct_byte); set_offset(key_version, key, 1); set_type(key_version, key, TYPE_DIRECT); /* correct size and st_blocks */ *size = 0; *blocks = 0; path.path_length = ILLEGAL_PATH_ELEMENT_OFFSET; do { retval = reiserfs_search_by_position(fs, key, key_version, &path); if (retval == POSITION_FOUND && path.pos_in_item != 0) die("are_file_items_correct: All bytes we look for must be first items byte (position 0)."); switch (retval) { case POSITION_FOUND: /**/ ih = tp_item_head(&path); if (ih_was_tail(ih)) { was_tail = 1; } set_type(key_version, key, get_type(&ih->ih_key)); if (mark_passed_items == 1) { mark_item_reachable(ih, PATH_PLAST_BUFFER(&path)); } // does not change path next_key = reiserfs_next_key(&path); if (next_key == 0 || not_of_one_file(key, next_key) || (!is_indirect_key(next_key) && !is_direct_key(next_key))) { next_is_another_object = 1; will_convert = (is_indirect_ih(ih) && sd_size && (I_UNFM_NUM(ih) > 0)); if (will_convert) { last_unfm_offset = get_offset(key) + fs->fs_blocksize * (I_UNFM_NUM(ih) - 1); /* if symlink or [ 1. sd_size points somewhere into last unfm block 2. one item of the file was direct before for 3_6 || FDB points to the tail correctly for 3_5 3. we can have a tail in the file of a such size ] */ will_convert = will_convert && (sd_size >= last_unfm_offset) && (sd_size < last_unfm_offset + fs->fs_blocksize) && !STORE_TAIL_IN_UNFM(sd_size, sd_size - last_unfm_offset + 1, fs-> fs_blocksize); will_convert = will_convert && (*symlink || ((key_version == KEY_FORMAT_1) && (sd_first_direct_byte == last_unfm_offset)) || ((key_version == KEY_FORMAT_2) && was_tail)); } } if (should_convert) { *symlink = *symlink && (will_convert || is_direct_key(&ih-> ih_key)); if (!(*symlink) && key_version != get_ih_key_format(ih)) { if (fsck_mode(fs) == FSCK_CHECK) { fsck_log ("are_file_items_correct: vpf-10250: block %lu, item (%d): The item format (%H)" " is not equal to SD format (%d)\n", get_bh(&path)->b_blocknr, PATH_LAST_POSITION(&path), ih, key_version); one_more_corruption(fs, FIXABLE); } else { fsck_log ("are_file_items_correct: vpf-10280: block %lu, item (%d): The item format (%H)" " is not equal to SD format (%d) - fixed.\n", get_bh(&path)->b_blocknr, PATH_LAST_POSITION(&path), ih, key_version); set_type_and_offset(key_version, &ih->ih_key, get_offset (&ih-> ih_key), get_type (&ih-> ih_key)); set_ih_key_format(ih, key_version); mark_buffer_dirty(get_bh (&path)); } } if (*symlink && is_direct_key(&ih->ih_key)) { /* symlink. Check that it is of KEY_FORMAT_1 */ if (fsck_mode(fs) == FSCK_CHECK) { if ((get_ih_key_format(ih) != KEY_FORMAT_1) || (key_format(&ih->ih_key) != KEY_FORMAT_1)) { fsck_log ("are_file_items_correct: vpf-10732: block %lu, item (%d): The symlink format (%H)" " is not equal to 3.5 format (%d)\n", get_bh(&path)-> b_blocknr, PATH_LAST_POSITION (&path), ih, KEY_FORMAT_1); one_more_corruption(fs, FIXABLE); } } else { if ((get_ih_key_format(ih) != KEY_FORMAT_1) || (key_format(&ih->ih_key) != KEY_FORMAT_1)) { fsck_log ("are_file_items_correct: vpf-10732: block %lu, item (%d): The symlink format (%H)" " is not equal to 3.5 format (%d)\n", get_bh(&path)-> b_blocknr, PATH_LAST_POSITION (&path), ih, KEY_FORMAT_1); set_type_and_offset (KEY_FORMAT_1, &ih->ih_key, get_offset(&ih-> ih_key), get_type(&ih-> ih_key)); set_ih_key_format(ih, KEY_FORMAT_1); mark_buffer_dirty(get_bh (&path)); } } } if (will_convert) *size = sd_size; else *size = get_offset(&ih->ih_key) + get_bytes_number(ih, fs->fs_blocksize) - 1; if (get_type(&ih->ih_key) == TYPE_INDIRECT) { if (*symlink) /* symlinks must be calculated as dirs */ *blocks = dir_size2st_blocks(*size); else for (i = 0; i < I_UNFM_NUM(ih); i++) { __le32 *ind = (__le32 *) tp_item_body(&path); if (d32_get(ind, i) != 0) *blocks += (fs-> fs_blocksize >> 9); } } else if (get_type(&ih->ih_key) == TYPE_DIRECT) { if (*symlink) /* symlinks must be calculated as dirs */ *blocks = dir_size2st_blocks(*size); else if (!had_direct) *blocks += (fs->fs_blocksize >> 9); /* calculate only the first direct byte */ had_direct++; } } if (next_is_another_object) { /* next item does not exists or is of another object, therefore all items of file are correct */ if (will_convert) { if (fsck_mode(fs) == FSCK_CHECK) { /* here it can be symlink only */ fsck_log ("are_file_items_correct: The indirect item should be converted back" " to direct %K\n", &ih->ih_key); one_more_corruption(fs, FIXABLE); pathrelse(&path); } else { __le32 *ind = (__le32 *) tp_item_body(&path); /* DEBUG message. fsck_log ("are_file_items_correct: The indirect item is converted back to direct %K\n", &ih->ih_key); */ if (d32_get (ind, I_UNFM_NUM(ih) - 1) == 0) *blocks += (fs-> fs_blocksize >> 9); /* path is released here. */ sd_first_direct_byte = indirect_to_direct(&path, sd_size - last_unfm_offset + 1, *symlink); /* last item of the file is direct item */ set_offset(key_version, key, sd_first_direct_byte); set_type(key_version, key, TYPE_DIRECT); } } else pathrelse(&path); return 1; } /* next item is item of this file */ if (get_offset(&ih->ih_key) + get_bytes_number(ih, fs->fs_blocksize) != get_offset(next_key)) { /* next item has incorrect offset (hole or overlapping) */ pathrelse(&path); return 0; } if (do_items_have_the_same_type(ih, next_key) == 1 && are_items_in_the_same_node(&path) == 1) { /* two indirect items or two direct items in the same leaf. FIXME: Second will be deleted */ pathrelse(&path); return 0; } /* items are of different types or are in different nodes */ /* if (get_offset (&ih->ih_key) + get_bytes_number (ih, fs->fs_blocksize) != get_offset (next_key)) { // indirect item free space is not set properly if (!is_indirect_ih (ih) ) //|| get_ih_free_space(ih) == 0) fsck_log ("are_file_items_correct: " "item must be indirect and must have invalid free space (%H)", ih); if (fsck_mode (fs) == FSCK_REBUILD) { set_ih_free_space(ih, 0); mark_buffer_dirty (PATH_PLAST_BUFFER (&path)); } } */ /* next item exists */ set_type_and_offset(key_version, key, get_offset(next_key), get_type(next_key)); if (comp_keys(key, next_key)) reiserfs_panic ("are_file_items_correct: Internal tree is in inconsistent state, " "the current item key %K and the next key %K must match", key, next_key); pathrelse(&path); break; case POSITION_NOT_FOUND: /* We always must have next key found. Exception is first byte. It does not have to exist */ if (get_offset(key) != 1) reiserfs_panic ("are_file_items_correct: Position (offset == %llu) in the middle of" "the file %K was not found.", get_offset(key), key); pathrelse(&path); return 0; case FILE_NOT_FOUND: if (get_offset(key) != 1) reiserfs_panic ("are_file_items_correct: File %K must be found as we found its StatData.", key); pathrelse(&path); return 1; case DIRECTORY_FOUND: pathrelse(&path); return -1; } } while (1); die("are_file_items_correct: Cannot reach here"); return 0; } /* delete all items and put them back (after that file should have correct sequence of items. if should_relocate is specified then it relocates items to a new id. if should_change_ih is specified then the key in ih is changed also. */ void rewrite_file(struct item_head *ih, int should_relocate, int should_change_ih) { struct reiserfs_key key; struct si *si; __u32 new_objectid = 0; int moved_items; struct reiserfs_key old, new; int nothing_else = 0; /* starting with the leftmost one - look for all items of file, store and delete and */ key = ih->ih_key; set_type_and_offset(KEY_FORMAT_1, &key, SD_OFFSET, TYPE_STAT_DATA); si = 0; nothing_else = 0; nothing_else = delete_N_items_after_key(&key, &si, should_relocate /* do not skip dir items */ , 10); if (should_relocate && (si || should_change_ih)) { /* get new objectid for relocation or get objectid with which file was relocated already */ new_objectid = objectid_for_relocation(&ih->ih_key); if (should_change_ih) set_key_objectid(&ih->ih_key, new_objectid); if (si) { old = si->si_ih.ih_key; set_key_objectid(&(si->si_ih.ih_key), new_objectid); new = si->si_ih.ih_key; } } moved_items = 0; while (si) { while (si && (nothing_else || si->si_next)) { if (should_relocate) { set_key_objectid(&(si->si_ih.ih_key), new_objectid); moved_items++; } insert_item_separately(&(si->si_ih), si->si_dnm_data, 1 /*was in tree */ ); si = remove_saved_item(si); } if (!nothing_else) nothing_else = delete_N_items_after_key(&key, &si, should_relocate /* do not skip dir items */ , 10); } if (moved_items) fsck_log("rewrite_file: %d items of file %K moved to %K\n", moved_items, &old, &new); } /* file must have correct sequence of items and tail must be stored in unformatted pointer; pos in bh is a position of SD */ static int make_file_writeable(struct buffer_head *bh, int pos) /* struct item_head * sd_ih, void * sd */ { struct item_head *sd_ih = item_head(bh, pos); struct item_head sd_ih_copy; struct stat_data *sd = (struct stat_data *)item_body(bh, pos); struct stat_data sd_copy; __u64 size; __u32 blocks; __u16 mode; int retval, symlink; sd_ih_copy = *sd_ih; memcpy(&sd_copy, sd, get_ih_item_len(sd_ih)); get_sd_mode(sd_ih, sd, &mode); symlink = S_ISLNK(mode); if (ih_writable(sd_ih)) return 1; else { mark_ih_writable(sd_ih); mark_buffer_dirty(bh); } retval = are_file_items_correct(&sd_ih_copy, &sd_copy, &size, &blocks, 0 /*do not mark accessed */ , &symlink); if (retval == 1) /* file looks correct */ return 1; rewrite_file(sd_ih, 0, 0); /*fsck_data (fs)->rebuild.rewritten ++; */ /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/ size = 0; if (are_file_items_correct (&sd_ih_copy, &sd_copy, &size, &blocks, 0 /*do not mark accessed */ , &symlink) == 0) { fsck_log ("WARNING: file was rewritten but still is not correct %K\n", &sd_ih->ih_key); return -1; } /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/ return 1; } /* this inserts __first__ indirect item (having k_offset == 1 and only one unfm pointer) into tree */ static int create_first_item_of_file(struct item_head *ih, char *item, struct reiserfs_path *path, int was_in_tree) { __le32 unfm_ptr; __le32 *ni = 0; struct buffer_head *unbh; struct item_head indih; unsigned int i; int retval; mark_item_unreachable(&indih); copy_key(&(indih.ih_key), &(ih->ih_key)); set_ih_item_len(&indih, UNFM_P_SIZE); set_ih_free_space(&indih, 0); if (get_offset(&ih->ih_key) > fs->fs_blocksize) { /* insert indirect item containing 0 unfm pointer */ unfm_ptr = 0; retval = 0; } else { if (is_direct_ih(ih)) { /* copy direct item to new unformatted node. Save information about it */ int len = get_bytes_number(ih, fs->fs_blocksize); unbh = reiserfsck_get_new_buffer(PATH_PLAST_BUFFER(path)-> b_blocknr); memset(unbh->b_data, 0, unbh->b_size); unfm_ptr = cpu_to_le32(unbh->b_blocknr); memcpy(unbh->b_data + get_offset(&ih->ih_key) - 1, item, len); set_ih_free_space(&indih, fs->fs_blocksize - len - (get_offset(&ih->ih_key) - 1)); mark_ih_was_tail(&indih); mark_buffer_dirty(unbh); mark_buffer_uptodate(unbh, 1); brelse(unbh); retval = len; } else { /* take first unformatted pointer from an indirect item */ //free_sp = ih_get_free_space(0, ih, item); set_ih_item_len(&indih, get_ih_item_len(ih)); ni = getmem(get_ih_item_len(ih)); memcpy(ni, (item), get_ih_item_len(ih)); if (!was_in_tree) { for (i = 0; i < I_UNFM_NUM(ih); i++) { if (still_bad_unfm_ptr_2 (d32_get(ni, i))) reiserfs_panic ("create_first_item_of_file: The file %K has a pointer to the bad block (%u)", &ih->ih_key, d32_get(ni, i)); mark_block_used(d32_get(ni, i), 0); } } retval = fs->fs_blocksize * get_ih_item_len(ih) / UNFM_P_SIZE; } } set_ih_key_format(&indih, get_ih_key_format(ih)); //ih_version(&indih) = ih_version(ih); set_offset(key_format(&(ih->ih_key)), &indih.ih_key, 1); set_type(key_format(&(ih->ih_key)), &indih.ih_key, TYPE_INDIRECT); if (ni) { reiserfsck_insert_item(path, &indih, (const char *)ni); freemem(ni); } else { reiserfsck_insert_item(path, &indih, (const char *)&unfm_ptr); } return retval; } /* path points to first part of tail. Function copies file tail into unformatted node and returns its block number. */ /* we convert direct item that is on the path to indirect. we need a number of free block for unformatted node. reiserfs_new_blocknrs will start from block number returned by this function */ static unsigned long block_to_start(struct reiserfs_path *path) { struct buffer_head *bh; struct item_head *ih; __u32 blk; bh = PATH_PLAST_BUFFER(path); ih = tp_item_head(path); if (get_offset(&ih->ih_key) == 1 || PATH_LAST_POSITION(path) == 0) return bh->b_blocknr; ih--; blk = d32_get((__le32 *) ih_item_body(bh, ih), I_UNFM_NUM(ih) - 1); return (blk ? blk : bh->b_blocknr); } static void direct2indirect2(unsigned long unfm, struct reiserfs_path *path) { struct item_head *ih; struct reiserfs_key key; struct buffer_head *unbh; __le32 ni; int copied = 0; int file_format; ih = tp_item_head(path); copy_key(&key, &(ih->ih_key)); file_format = key_format(&key); if (get_offset(&key) % fs->fs_blocksize != 1) { /* look for first part of tail */ pathrelse(path); set_offset(file_format, &key, (get_offset(&key) & ~(fs->fs_blocksize - 1)) + 1); if (reiserfs_search_by_key_4(fs, &key, path) != ITEM_FOUND) die("direct2indirect: can not find first part of tail"); } unbh = reiserfsck_get_new_buffer(unfm ? unfm : block_to_start(path)); memset(unbh->b_data, 0, unbh->b_size); /* delete parts of tail coping their contents to new buffer */ do { __u64 len; ih = tp_item_head(path); len = get_bytes_number(ih, fs->fs_blocksize); memcpy(unbh->b_data + copied, ih_item_body(PATH_PLAST_BUFFER(path), ih), len); // save_unfm_overwriting (unbh->b_blocknr, ih); copied += len; set_offset(file_format, &key, get_offset(&key) + len); reiserfsck_delete_item(path, 0); } while (reiserfs_search_by_key_4(fs, &key, path) == ITEM_FOUND); pathrelse(path); /* paste or insert pointer to the unformatted node */ set_offset(file_format, &key, get_offset(&key) - copied); // set_offset (ih_key_format (ih), &key, get_offset (&key) - copied); // key.k_offset -= copied; ni = cpu_to_le32(unbh->b_blocknr); if (reiserfs_search_by_position(fs, &key, file_format, path) == FILE_NOT_FOUND) { struct item_head insih; copy_key(&(insih.ih_key), &key); set_ih_key_format(&insih, file_format); set_type(get_ih_key_format(&insih), &insih.ih_key, TYPE_INDIRECT); set_ih_free_space(&insih, 0); mark_item_unreachable(&insih); set_ih_item_len(&insih, UNFM_P_SIZE); mark_ih_was_tail(&insih); reiserfsck_insert_item(path, &insih, (const char *)&(ni)); } else { ih = tp_item_head(path); if (!is_indirect_ih(ih)) reiserfs_panic ("%s: The item, which is supposed to be deleted, found in the tree - %k", __FUNCTION__, &ih->ih_key); if (get_bytes_number(ih, fs->fs_blocksize) + get_offset(&ih->ih_key) != get_offset(&key)) reiserfs_panic ("%s: The item %k with the wrong offset found in the block %lu block", __FUNCTION__, &ih->ih_key, PATH_PLAST_BUFFER(path)->b_blocknr); mark_ih_was_tail(ih); mark_buffer_dirty(get_bh(path)); reiserfsck_paste_into_item(path, (const char *)&ni, UNFM_P_SIZE); } mark_buffer_dirty(unbh); mark_buffer_uptodate(unbh, 1); brelse(unbh); if (reiserfs_search_by_position(fs, &key, file_format, path) != POSITION_FOUND || !is_indirect_ih(tp_item_head(path))) reiserfs_panic ("direct2indirect: The data %k, which are supposed to be converted, are not found", &key); return; } static int append_to_unformatted_node(struct item_head *comingih, struct item_head *ih, char *item, struct reiserfs_path *path, unsigned int coming_len) { struct buffer_head *bh, *unbh = NULL; __u64 end_of_data, free_space; __u16 offset = get_offset(&comingih->ih_key) % fs->fs_blocksize - 1; __u32 unfm_ptr; int zero_number; bh = PATH_PLAST_BUFFER(path); unfm_ptr = d32_get((__le32 *) ih_item_body(bh, ih), I_UNFM_NUM(ih) - 1); /* append to free space of the last unformatted node of indirect item ih */ free_space = get_offset(&ih->ih_key) + fs->fs_blocksize * I_UNFM_NUM(ih) - get_offset(&comingih->ih_key); if (free_space < coming_len) reiserfs_panic ("%s: block %lu: The unformatted node %u, pointed by the file %k, does not have enough free space" "for appending %llu bytes", __FUNCTION__, bh->b_blocknr, unfm_ptr, &ih->ih_key, coming_len); if (fs->fs_blocksize < free_space) reiserfs_panic ("%s: block %lu: The unformatted node %u, pointed by the file %k, does not have enough free space" "for appending %llu bytes", __FUNCTION__, bh->b_blocknr, &ih->ih_key, unfm_ptr, &ih->ih_key, coming_len); end_of_data = fs->fs_blocksize - free_space; zero_number = offset - end_of_data; if (unfm_ptr && !not_data_block(fs, unfm_ptr)) { unbh = bread(fs->fs_dev, unfm_ptr, fs->fs_blocksize); if (!is_block_used(unfm_ptr)) reiserfs_panic ("%s: block %lu: The unformatted node %u, pointed by the file %k, is marked as unused", __FUNCTION__, bh->b_blocknr, unfm_ptr, &ih->ih_key); if (unbh == 0) unfm_ptr = 0; } if (!unfm_ptr || not_data_block(fs, unfm_ptr)) { /* indirect item points to block which can not be pointed or to 0, in any case we have to allocate new node */ /*if (unfm_ptr == 0 || unfm_ptr >= SB_BLOCK_COUNT (fs)) { */ unbh = reiserfsck_get_new_buffer(bh->b_blocknr); memset(unbh->b_data, 0, unbh->b_size); d32_put((__le32 *) ih_item_body(bh, ih), I_UNFM_NUM(ih) - 1, unbh->b_blocknr); /*mark_block_unformatted (unbh->b_blocknr); */ mark_buffer_dirty(bh); } memset(unbh->b_data + end_of_data, 0, zero_number); memcpy(unbh->b_data + offset, item, coming_len); // save_unfm_overwriting (unbh->b_blocknr, comingih); free_space -= (zero_number + coming_len); set_ih_free_space(ih, get_ih_free_space(ih) - (zero_number + coming_len)); memset(unbh->b_data + offset + coming_len, 0, free_space); // mark_buffer_uptodate (unbh, 0); mark_buffer_uptodate(unbh, 1); mark_buffer_dirty(unbh); brelse(unbh); pathrelse(path); return coming_len; } /* this appends file with one unformatted node pointer (since balancing algorithm limitation). This pointer can be 0, or new allocated block or pointer from indirect item that is being inserted into tree */ int reiserfsck_append_file(struct item_head *comingih, char *item, int pos, struct reiserfs_path *path, int was_in_tree) { __le32 *ni; struct buffer_head *unbh; int retval; struct item_head *ih = tp_item_head(path); __u32 bytes_number; int i, count = 0; if (!is_indirect_ih(ih)) reiserfs_panic ("reiserfsck_append_file: Operation is not allowed for non-indirect item %k", &ih->ih_key); if (is_direct_ih(comingih)) { unsigned int coming_len = get_bytes_number(comingih, fs->fs_blocksize); if (get_offset(&comingih->ih_key) < get_offset(&ih->ih_key) + fs->fs_blocksize * I_UNFM_NUM(ih)) { /* direct item fits to free space of indirect item */ return append_to_unformatted_node(comingih, ih, item, path, coming_len); } unbh = reiserfsck_get_new_buffer(PATH_PLAST_BUFFER(path)-> b_blocknr); memset(unbh->b_data, 0, unbh->b_size); memcpy(unbh->b_data + get_offset(&comingih->ih_key) % unbh->b_size - 1, item, coming_len); mark_buffer_dirty(unbh); mark_buffer_uptodate(unbh, 1); ni = getmem(UNFM_P_SIZE); d32_put(ni, 0, unbh->b_blocknr); count = 1; brelse(unbh); retval = coming_len; } else { /* coming item is indirect item */ bytes_number = get_bytes_number(ih, fs->fs_blocksize); if (get_offset(&comingih->ih_key) + pos * fs->fs_blocksize != get_offset(&ih->ih_key) + bytes_number) reiserfs_panic ("reiserfsck_append_file: file %K: Cannot append indirect pointers of the offset " "(%LLu) at the position %LLu\n", &comingih->ih_key, get_offset(&comingih->ih_key) + pos * fs->fs_blocksize, get_offset(&ih->ih_key) + bytes_number); /* take unformatted pointer from an indirect item */ count = I_UNFM_NUM(comingih) - pos; ni = getmem(count * UNFM_P_SIZE); memcpy(ni, (item + pos * UNFM_P_SIZE), count * UNFM_P_SIZE); if (!was_in_tree) { for (i = 0; i < count; i++) { if (still_bad_unfm_ptr_2(d32_get(ni, i))) die("reiserfsck_append_file: Trying to insert a pointer to illegal block (%u)", d32_get(ni, i)); mark_block_used(d32_get(ni, i), 0); } } retval = fs->fs_blocksize * count; } reiserfsck_paste_into_item(path, (const char *)ni, count * UNFM_P_SIZE); freemem(ni); return retval; } long long int must_there_be_a_hole(struct item_head *comingih, struct reiserfs_path *path) { struct item_head *ih = tp_item_head(path); if (is_direct_ih(ih)) { direct2indirect2(0, path); ih = tp_item_head(path); } path->pos_in_item = I_UNFM_NUM(ih); return (get_offset(&comingih->ih_key) - get_offset(&ih->ih_key)) / fs->fs_blocksize - I_UNFM_NUM(ih); /* if (get_offset (&ih->ih_key) + (I_UNFM_NUM (ih) + 1) * fs->fs_blocksize <= get_offset (&comingih->ih_key)) return 1; return 0;*/ } int reiserfs_append_zero_unfm_ptr(struct reiserfs_path *path, long long int p_count) { __le32 *ni; long long int count; if (is_direct_ih(tp_item_head(path))) /* convert direct item to indirect */ direct2indirect2(0, path); count = MAX_INDIRECT_ITEM_LEN(fs->fs_blocksize) / UNFM_P_SIZE; if (p_count <= count) count = p_count; ni = getmem(count * UNFM_P_SIZE); memset(ni, 0, count * UNFM_P_SIZE); reiserfsck_paste_into_item(path, (const char *)ni, count * UNFM_P_SIZE); freemem(ni); return 0; } /* write direct item to unformatted node */ /* coming item is direct */ static int overwrite_by_direct_item(struct item_head *comingih, char *item, struct reiserfs_path *path) { __u32 unfm_ptr; struct buffer_head *unbh, *bh; struct item_head *ih; int offset; __u64 coming_len = get_bytes_number(comingih, fs->fs_blocksize); bh = PATH_PLAST_BUFFER(path); ih = tp_item_head(path); unfm_ptr = d32_get((__le32 *) ih_item_body(bh, ih), path->pos_in_item); unbh = 0; if (unfm_ptr != 0 && unfm_ptr < get_sb_block_count(fs->fs_ondisk_sb)) { /**/ unbh = bread(fs->fs_dev, unfm_ptr, bh->b_size); if (!is_block_used(unfm_ptr)) die("overwrite_by_direct_item: block %lu, item %d, pointer %d: The pointed block" "(%u) being overwritten is marked as unused.", bh->b_blocknr, PATH_LAST_POSITION(path), path->pos_in_item, unfm_ptr); if (unbh == 0) unfm_ptr = 0; } if (unfm_ptr == 0 || unfm_ptr >= get_sb_block_count(fs->fs_ondisk_sb)) { if ((unbh = reiserfsck_get_new_buffer(bh->b_blocknr)) != NULL) { memset(unbh->b_data, 0, unbh->b_size); d32_put((__le32 *) ih_item_body(bh, ih), path->pos_in_item, unbh->b_blocknr); mark_buffer_dirty(bh); } else { die("overwrite_by_direct_item: Could not allocate a new block for new data"); } } offset = (get_offset(&comingih->ih_key) % bh->b_size) - 1; if (offset + coming_len > bh->b_size) die("overwrite_by_direct_item: The length of the file after insertion (offset=%lu, length=%u)" "will exceed the maximal possible length.", (long unsigned)get_offset(&comingih->ih_key), (unsigned)coming_len); memcpy(unbh->b_data + offset, item, coming_len); // save_unfm_overwriting (unbh->b_blocknr, comingih); if ((path->pos_in_item == (I_UNFM_NUM(ih) - 1)) && (bh->b_size - 0 /*ih_free_space (ih) */ ) < (offset + coming_len)) { set_ih_free_space(ih, bh->b_size - (offset + coming_len)); mark_buffer_dirty(bh); } mark_buffer_dirty(unbh); // mark_buffer_uptodate (unbh, 0); mark_buffer_uptodate(unbh, 1); brelse(unbh); return coming_len; } #if 0 void overwrite_unfm_by_unfm(unsigned long unfm_in_tree, unsigned long coming_unfm, int bytes_in_unfm) { struct overwritten_unfm_segment *unfm_os_list; /* list of overwritten segments of the unformatted node */ struct overwritten_unfm_segment unoverwritten_segment; struct buffer_head *bh_in_tree, *coming_bh; if (!test_bit (coming_unfm % (fs->fs_blocksize * 8), SB_AP_BITMAP(fs)[coming_unfm / (fs->fs_blocksize * 8)]->b_data)) /* block (pointed by indirect item) is free, we do not have to keep its contents */ return; /* coming block is marked as used in disk bitmap. Put its contents to block in tree preserving everything, what has been overwritten there by direct items */ unfm_os_list = find_overwritten_unfm(unfm_in_tree, bytes_in_unfm, &unoverwritten_segment); if (unfm_os_list) { /* add_event (UNFM_OVERWRITING_UNFM); */ bh_in_tree = bread(fs->fs_dev, unfm_in_tree, fs->fs_blocksize); coming_bh = bread(fs->fs_dev, coming_unfm, fs->fs_blocksize); if (bh_in_tree == 0 || coming_bh == 0) return; while (get_unoverwritten_segment (unfm_os_list, &unoverwritten_segment)) { if (unoverwritten_segment.ous_begin < 0 || unoverwritten_segment.ous_end > bytes_in_unfm - 1 || unoverwritten_segment.ous_begin > unoverwritten_segment.ous_end) die("overwrite_unfm_by_unfm: invalid segment found (%d %d)", unoverwritten_segment.ous_begin, unoverwritten_segment.ous_end); memcpy(bh_in_tree->b_data + unoverwritten_segment.ous_begin, coming_bh->b_data + unoverwritten_segment.ous_begin, unoverwritten_segment.ous_end - unoverwritten_segment.ous_begin + 1); mark_buffer_dirty(bh_in_tree); } brelse(bh_in_tree); brelse(coming_bh); } } #endif /* put unformatted node pointers from incoming item over the in-tree ones */ static int overwrite_by_indirect_item(struct item_head *comingih, __le32 * coming_item, struct reiserfs_path *path, int *pos_in_coming_item) { struct buffer_head *bh = PATH_PLAST_BUFFER(path); struct item_head *ih = tp_item_head(path); int written; __le32 *item_in_tree; int src_unfm_ptrs, dest_unfm_ptrs, to_copy, i, dirty = 0; item_in_tree = (__le32 *) ih_item_body(bh, ih) + path->pos_in_item; coming_item += *pos_in_coming_item; dest_unfm_ptrs = I_UNFM_NUM(ih) - path->pos_in_item; src_unfm_ptrs = I_UNFM_NUM(comingih) - *pos_in_coming_item; if (dest_unfm_ptrs >= src_unfm_ptrs) { /* whole coming item (comingih) fits into item in tree (ih) starting with path->pos_in_item */ //free_sp = ih_get_free_space(0, comingih, (char *)coming_item); written = get_bytes_number(comingih, fs->fs_blocksize) - /* free_sp - */ *pos_in_coming_item * fs->fs_blocksize; *pos_in_coming_item = I_UNFM_NUM(comingih); to_copy = src_unfm_ptrs; if (dest_unfm_ptrs == src_unfm_ptrs) set_ih_free_space(ih, 0 /* free_sp */ ); } else { /* only part of coming item overlaps item in the tree */ *pos_in_coming_item += dest_unfm_ptrs; written = dest_unfm_ptrs * fs->fs_blocksize; to_copy = dest_unfm_ptrs; set_ih_free_space(ih, 0); } for (i = 0; i < to_copy; i++) { if (d32_get(coming_item, i) != 0 && d32_get(item_in_tree, i) == 0) { /* overwrite holes only by correct a pointer in the coming item which must be correct */ d32_put(item_in_tree, i, d32_get(coming_item, i)); mark_block_used(d32_get(coming_item, i), 0); dirty++; } } if (dirty) mark_buffer_dirty(bh); return written; } static int reiserfsck_overwrite_file(struct item_head *comingih, char *item, struct reiserfs_path *path, int *pos_in_coming_item, int was_in_tree) { __u32 unfm_ptr; int written = 0; struct item_head *ih = tp_item_head(path); if (not_of_one_file(ih, &(comingih->ih_key))) reiserfs_panic ("reiserfsck_overwrite_file: The file to be overwritten %K must be of" " the same as the new data %K", &ih->ih_key, &comingih->ih_key); if (is_direct_ih(ih)) { unfm_ptr = 0; if (is_indirect_ih(comingih)) { if (get_offset(&ih->ih_key) % fs->fs_blocksize != 1) reiserfs_panic ("reiserfsck_overwrite_file: The second part of the tail %k can not" " be overwritten by indirect item %k", &ih->ih_key, &comingih->ih_key); /* use pointer from coming indirect item */ unfm_ptr = d32_get((__le32 *) item, *pos_in_coming_item); if (!was_in_tree) { if (still_bad_unfm_ptr_2(unfm_ptr)) die("reiserfsck_overwrite_file: The pointer to the unformatted block (%u)" " points to the bad area.", unfm_ptr); } } /* */ direct2indirect2(unfm_ptr, path); } if (is_direct_ih(comingih)) { written = overwrite_by_direct_item(comingih, item, path); } else { if (was_in_tree) reiserfs_panic ("reiserfsck_overwrite_file: Item %k we are going to overwrite with" " %k cannot not be in the tree yet", &ih->ih_key, &comingih->ih_key); written = overwrite_by_indirect_item(comingih, (__le32 *) item, path, pos_in_coming_item); } return written; } /* */ int reiserfsck_file_write(struct item_head *ih, char *item, int was_in_tree) { struct reiserfs_path path; int count, pos_in_coming_item; long long int retval, written; struct reiserfs_key key; int file_format = KEY_FORMAT_UNDEFINED; int relocated = 0; if (!was_in_tree) { __u16 mode; /* We already inserted all SD items. If we cannot find SD of this item - skip it */ memset(&key, 0, sizeof(key)); check_again: copy_short_key(&key, &(ih->ih_key)); if (reiserfs_search_by_key_4(fs, &key, &path) != ITEM_FOUND) { fsck_log ("vpf-10260: The file we are inserting the new item (%H) into has no" " StatData, insertion was skipped\n", ih); pathrelse(&path); return 0; } /*SD found */ file_format = get_ih_key_format(tp_item_head(&path)); get_sd_mode(tp_item_head(&path), tp_item_body(&path), &mode); if (file_format != get_ih_key_format(ih)) { /* Not for symlinks and not for items which should be relocted. */ if (((S_ISDIR(mode) && is_direntry_ih(ih)) || (!S_ISDIR(mode) && !is_direntry_ih(ih))) && !S_ISLNK(mode)) { set_type_and_offset(file_format, &ih->ih_key, get_offset(&ih->ih_key), get_type(&ih->ih_key)); set_ih_key_format(ih, file_format); } } if (!relocated && should_relocate(ih)) { rewrite_file(ih, 1, 1 /*change new_ih */ ); pathrelse(&path); relocated = 1; /* object has been relocated but we should not mark it as used in semantic map, as it does not exist at pass2 and we do not get here for relocation as was_in_tree == 1 */ goto check_again; } if (make_file_writeable(get_bh(&path), get_item_pos(&path)) == -1) { /* write was not completed. Skip that item. Maybe it should be saved to lost_found */ fsck_log ("reiserfsck_file_write: WARNING: The file we are inserting the new item %k into was" " not recovered and is still in inconsistent state, insertion was skipped\n", &ih->ih_key); pathrelse(&path); return 0; } pathrelse(&path); } count = get_bytes_number(ih, fs->fs_blocksize); pos_in_coming_item = 0; copy_key(&key, &(ih->ih_key)); while (count) { retval = reiserfs_search_by_position(fs, &key, key_format(&key), &path); /* if there are items of bigger offset than we are looking for and there is no item between wamted offset and SD, insert first item */ if (retval == POSITION_NOT_FOUND && (PATH_LAST_POSITION(&path) >= B_NR_ITEMS(get_bh(&path)) || get_offset(&tp_item_head(&path)->ih_key) > get_offset(&key))) retval = FILE_NOT_FOUND; if (retval == DIRECTORY_FOUND) reiserfs_panic ("The directory was found at the place of the file we are going to insert" " the item %k into", key); if (retval == POSITION_FOUND) { written = reiserfsck_overwrite_file(ih, item, &path, &pos_in_coming_item, was_in_tree); count -= written; set_offset(key_format(&key), &key, get_offset(&key) + written); } if (retval == FILE_NOT_FOUND) { written = create_first_item_of_file(ih, item, &path, was_in_tree); count -= written; set_offset(key_format(&key), &key, get_offset(&key) + written); } if (retval == POSITION_NOT_FOUND) { if (is_direct_ih(ih)) { mark_ih_was_tail(tp_item_head(&path)); mark_buffer_dirty(get_bh(&path)); } if ((written = must_there_be_a_hole(ih, &path)) > 0) { reiserfs_append_zero_unfm_ptr(&path, written); } else { written = reiserfsck_append_file(ih, item, pos_in_coming_item, &path, was_in_tree); count -= written; set_offset(key_format(&key), &key, get_offset(&key) + written); pos_in_coming_item += written / fs->fs_blocksize; } } if (count < 0) reiserfs_panic ("reiserfsck_file_write: We wrote into the file %K more bytes than needed - count (%d) < 0.", &key, count); pathrelse(&path); } /* This is a test for writing into the file. If not sure that file data are consistent after reiserfsck_file_write - uncomment this clause: */ /* if (!was_in_tree && are_file_items_correct (&ih->ih_key, (file_format == KEY_FORMAT_UNDEFINED) ? get_ih_key_format (ih) : file_format, &size, &blocks, 0, symlink, 0) == 0) reiserfs_panic ("reiserfsck_file_write: item was not inserted properly\n");*/ return get_bytes_number(ih, fs->fs_blocksize); } void one_more_corruption(reiserfs_filsys_t fs, int kind) { if (kind == FATAL) fsck_check_stat(fs)->fatal_corruptions++; else if (kind == FIXABLE) fsck_check_stat(fs)->fixable_corruptions++; } void one_less_corruption(reiserfs_filsys_t fs, int kind) { if (kind == FATAL) fsck_check_stat(fs)->fatal_corruptions--; else if (kind == FIXABLE) fsck_check_stat(fs)->fixable_corruptions--; } reiserfsprogs-3.6.25/fsck/check_tree.c0000644000175000001440000007640312725331232014621 00000000000000/* * Copyright 1999-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" #if 0 struct check_relocated { __u32 old_dir_id; __u32 old_objectid; /*mode_t mode; */ struct check_relocated *next; }; static struct check_relocated *relocated_list; void to_be_relocated(struct reiserfs_key *key) { struct check_relocated *cur, *prev, *new_relocated; cur = relocated_list; prev = 0; while (cur && comp_short_keys(key, (struct reiserfs_key *)cur) != 1) { if (comp_short_keys(key, (struct reiserfs_key *)cur) == 0) return; prev = cur; cur = cur->next; } new_relocated = getmem(sizeof(struct check_relocated)); copy_short_key((struct reiserfs_key *)new_relocated, key); if (prev) { new_relocated->next = prev->next; prev->next = new_relocated; } else { new_relocated->next = relocated_list; relocated_list = new_relocated; } } int should_be_relocated(struct reiserfs_key *key) { struct check_relocated *cur, *prev; int ret = 0; if (!key) return 0; cur = relocated_list; prev = NULL; while (cur && comp_short_keys(key, (struct reiserfs_key *)cur) != 1) { if (comp_short_keys(key, (struct reiserfs_key *)cur) == 0) { ret = 1; break; } prev = cur; cur = cur->next; } if (ret) { /* cur is found */ if (prev) /* not the first */ prev->next = cur->next; else /* first */ relocated_list = cur->next; freemem(cur); } return ret; } void clear_relocated_list() { struct check_relocated *next; while (relocated_list) { next = relocated_list->next; freemem(relocated_list); relocated_list = next; } } #endif // // // // check_fs_tree stops and recommends to run fsck --rebuild-tree when: // 1. read fails // 2. node of wrong level found in the tree // 3. something in the tree points to wrong block number // out of filesystem boundary is pointed by tree // to block marked as free in bitmap // the same block is pointed from more than one place // not data blocks (journal area, super block, bitmaps) // 4. bad formatted node found // 5. delimiting keys are incorrect // /* mark every block we see in the tree in control bitmap, so, when to make sure, that no blocks are pointed to from more than one place we use additional bitmap (control_bitmap). If we see pointer to a block we set corresponding bit to 1. If it is set already - run fsck with --rebuild-tree */ static reiserfs_bitmap_t *control_bitmap; static reiserfs_bitmap_t *source_bitmap; static int tree_scanning_failed = 0; /* 1 if block is not marked as used in the bitmap */ static int is_block_free(reiserfs_filsys_t fs, unsigned long block) { return !reiserfs_bitmap_test_bit(source_bitmap, block); } /*static unsigned int hits = 0;*/ /* we have seen this block in the tree, mark corresponding bit in the control bitmap */ static void we_met_it(unsigned long block) { reiserfs_bitmap_set_bit(control_bitmap, block); /*hits ++; */ } /* have we seen this block somewhere in the tree before? */ static int did_we_meet_it(unsigned long block) { return reiserfs_bitmap_test_bit(control_bitmap, block); } static void init_control_bitmap(reiserfs_filsys_t fs) { unsigned int i; unsigned long block; unsigned long reserved; unsigned int blocks = get_sb_block_count(fs->fs_ondisk_sb); control_bitmap = reiserfs_create_bitmap(blocks); if (!control_bitmap) die("init_control_bitmap: Failed to allocate a control bitmap."); /*printf ("Initially number of zeros in control bitmap %d\n", reiserfs_bitmap_zeros (control_bitmap)); */ /* skipped and super block */ for (i = 0; i <= fs->fs_super_bh->b_blocknr; i++) we_met_it(i); /*printf ("SKIPPED: %u blocks marked used (%d)\n", hits, reiserfs_bitmap_zeros (control_bitmap)); hits = 0; */ /* bitmaps */ block = fs->fs_super_bh->b_blocknr + 1; for (i = 0; i < reiserfs_fs_bmap_nr(fs); i++) { we_met_it(block); if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } /*printf ("BITMAPS: %u blocks marked used (%d)\n", hits, reiserfs_bitmap_zeros (control_bitmap)); hits = 0; */ /* mark as used area of the main device either containing a journal or reserved to hold it */ reserved = get_size_of_journal_or_reserved_area(fs->fs_ondisk_sb); /* where does journal area (or reserved journal area) start from */ if (!is_new_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) && !is_old_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) die("init_control_bitmap: Wrong super block location. You must run " "--rebuild-sb."); block = get_journal_start_must(fs); for (i = block; i < reserved + block; i++) we_met_it(i); if (fs->fs_badblocks_bm) for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) we_met_it(i); } } /* if we managed to complete tree scanning and if control bitmap and/or proper amount of free blocks mismatch with bitmap on disk and super block's s_free_blocks - we can fix that */ static void handle_bitmaps(reiserfs_filsys_t fs) { int problem = 0; if (tree_scanning_failed) { fsck_progress ("Could not scan the internal tree. --rebuild-tree " "is required\n"); return; } fsck_progress("Comparing bitmaps.."); /* check free block counter */ if (get_sb_free_blocks(fs->fs_ondisk_sb) != reiserfs_bitmap_zeros(control_bitmap)) { /* fsck_log ("vpf-10630: The count of free blocks in the on-disk bitmap " "(%lu) mismatches with the correct one (%lu).\n", get_sb_free_blocks (fs->fs_ondisk_sb), reiserfs_bitmap_zeros (control_bitmap)); */ problem++; } if (reiserfs_bitmap_compare(source_bitmap, control_bitmap)) problem++; if (problem) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { fsck_log ("vpf-10630: The on-disk and the correct bitmaps differs. " "Will be fixed later.\n"); // fsck_progress ("Trying to fix bitmap ..\n"); /* mark blocks as used in source bitmap if they are used in control bitmap */ reiserfs_bitmap_disjunction(source_bitmap, control_bitmap); /* change used blocks count accordinly source bitmap, copy bitmap changes to on_disk bitmap */ set_sb_free_blocks(fs->fs_ondisk_sb, reiserfs_bitmap_zeros (source_bitmap)); reiserfs_bitmap_copy(fs->fs_bitmap2, source_bitmap); mark_buffer_dirty(fs->fs_super_bh); /* // check again if ((diff = reiserfs_bitmap_compare(source_bitmap, control_bitmap)) != 0) { // do not mark them as fatal or fixable because one can live // with leaked space. So this is not a fatal corruption, and // fix-fixable cannot fix it fsck_progress (" bitmaps were not recovered.\n\tYou can either " "run rebuild-tree or live with %d leaked blocks\n", diff); } else { fsck_progress ("finished\n"); } */ } else if (problem) { fsck_log ("vpf-10640: The on-disk and the correct bitmaps differs.\n"); while (problem) { /* fixable corruptions because we can try to recover them without rebuilding the tree */ one_more_corruption(fs, FIXABLE); problem--; } } } else fsck_progress("finished\n"); return; } static int auto_handle_bitmaps(reiserfs_filsys_t fs) { unsigned long i; if (source_bitmap->bm_byte_size != control_bitmap->bm_byte_size) return -1; for (i = 0; i < source_bitmap->bm_byte_size; i++) { if (control_bitmap->bm_map[i] & ~source_bitmap->bm_map[i]) { return 1; } } return 0; } /* is this block legal to be pointed to by some place of the tree? */ static int bad_block_number(reiserfs_filsys_t fs, unsigned long block) { if (block >= get_sb_block_count(fs->fs_ondisk_sb) || not_data_block(fs, block)) { /* block has value which can not be used as a pointer in a tree */ return 1; /* if (is_unfm_pointer) { // unformatted node pointer will be zeroed one_more_corruption (fs, fixable); return 1; } // internal nodes can not have wrong pointer one_more_corruption (fs, fatal); return 1; */ } if (is_block_free(fs, block)) { /* block is marked free - bitmap problems will be handled later */ //one_more_corruption (fs, fixable); } return 0; } static int got_already(reiserfs_filsys_t fs, unsigned long block) { if (did_we_meet_it(block)) { /* block is in tree at least twice */ return 1; } we_met_it(block); return 0; } /* 1 if it does not look like reasonable stat data */ static int bad_stat_data(reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { unsigned long objectid; // __u32 links; objectid = get_key_objectid(&ih->ih_key); if (!is_objectid_used(fs, objectid)) { /* FIXME: this could be cured right here */ fsck_log ("bad_stat_data: The objectid (%lu) is marked free, but used " "by an object %k\n", objectid, &ih->ih_key); /* if it is FIX_FIXABLE we flush objectid map at the end no way to call one_less_corruption later */ if (fsck_mode(fs) != FSCK_FIX_FIXABLE) one_more_corruption(fs, FIXABLE); } if (id_map_mark(proper_id_map(fs), objectid)) { fsck_log ("bad_stat_data: The objectid (%lu) is shared by at least two " "files. Can be fixed with --rebuild-tree only.\n", objectid); #if 0 to_be_relocated(&ih->ih_key); // one_more_corruption (fs, FIXABLE); #endif } return 0; /* Check this on semantic_check pass. sd = (struct stat_data *)ih_item_body(bh,ih); get_sd_nlink (ih, sd, &links); if (S_ISDIR(sd->sd_mode)) { if (links < 2) { fsck_log ("%s: block %lu: The directory StatData %k has bad nlink number (%u)\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key, links); one_more_corruption (fs, fatal); } } else { if (links == 0) { fsck_log ("%s: block %lu: The StatData %k has bad nlink number (%u)\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key); one_more_corruption (fs, fatal); } } */ } /* it looks like we can check item length only */ static int bad_direct_item(reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { return 0; } static inline void handle_one_pointer(reiserfs_filsys_t fs, struct buffer_head *bh, __le32 * item, int offset) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { fsck_log(" - zeroed"); d32_put(item, offset, 0); mark_buffer_dirty(bh); } else { one_more_corruption(fs, FIXABLE); } } static int bad_badblocks_item(reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { __u32 i; __le32 *ind = (__le32 *) ih_item_body(bh, ih); if (get_ih_item_len(ih) % 4) { fsck_log("%s: block %lu: item (%H) has bad length\n", __FUNCTION__, bh->b_blocknr, ih); one_more_corruption(fs, FATAL); return 1; } /* All valid badblocks are given in badblock bitmap. Nothing to check anymore. */ if (fs->fs_badblocks_bm) return 0; for (i = 0; i < I_UNFM_NUM(ih); i++) { if (!d32_get(ind, i)) { /* fsck_log ("%s: block %lu: badblocks item (%H) has zero pointer.", __FUNCTION__, bh->b_blocknr, ih); if (fsck_mode(fs) != FSCK_FIX_FIXABLE) { fsck_log("Not an error, but could be deleted with --fix-fixable\n"); } else { fsck_log("Will be deleted later.\n"); }*/ continue; } /* check list of badblocks pointers */ if (d32_get(ind, i) >= get_sb_block_count(fs->fs_ondisk_sb)) { fsck_log ("%s: badblock pointer (block %lu) points out of disk spase (%lu)", __FUNCTION__, bh->b_blocknr, d32_get(ind, i)); handle_one_pointer(fs, bh, ind, i); fsck_log("\n"); } if (did_we_meet_it(d32_get(ind, i))) { /* it can be 1. not_data_block delete pointer 2. ind [i] or internal/leaf advice to run fix-fixable if there is no fatal errors with list of badblocks, say that it could fix it. */ if (not_data_block(fs, d32_get(ind, i))) { fsck_log ("%s: badblock pointer (block %lu) points on fs metadata (%lu)", __FUNCTION__, bh->b_blocknr, d32_get(ind, i)); handle_one_pointer(fs, bh, ind, i); fsck_log("\n"); } else { one_more_corruption(fs, FIXABLE); fsck_log ("%s: badblock pointer (block %lu) points to a block (%lu) " "which is in the tree already. Use badblock option (-B) to" " fix the problem\n", __FUNCTION__, bh->b_blocknr, d32_get(ind, i)); } continue; } we_met_it(d32_get(ind, i)); } return 0; } /* for each unformatted node pointer: make sure it points to data area and that it is not in the tree yet */ static int bad_indirect_item(reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { __le32 *ind = (__le32 *) ih_item_body(bh, ih); unsigned int i; if (get_ih_item_len(ih) % 4) { fsck_log ("%s: block %lu: The item (%H) has the bad length (%u)\n", __FUNCTION__, bh->b_blocknr, ih, get_ih_item_len(ih)); one_more_corruption(fs, FATAL); return 1; } for (i = 0; i < I_UNFM_NUM(ih); i++) { fsck_check_stat(fs)->unfm_pointers++; if (!d32_get(ind, i)) { fsck_check_stat(fs)->zero_unfm_pointers++; continue; } /* check unformatted node pointer and mark it used in the control bitmap */ if (bad_block_number(fs, d32_get(ind, i))) { fsck_log ("%s: block %lu: The item %k has the bad pointer (%d) to " "the block (%lu)", __FUNCTION__, bh->b_blocknr, &ih->ih_key, i, d32_get(ind, i)); handle_one_pointer(fs, bh, ind, i); fsck_log("\n"); continue; } if (got_already(fs, d32_get(ind, i))) { fsck_log ("%s: block %lu: The item (%H) has the bad pointer (%d) " "to the block (%lu), which is in tree already", __FUNCTION__, bh->b_blocknr, ih, i, d32_get(ind, i)); handle_one_pointer(fs, bh, ind, i); fsck_log("\n"); continue; } } #if 0 /* delete this check for 3.6 */ if (get_ih_free_space(ih) > fs->fs_blocksize - 1) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { /*FIXME: fix it if needed */ } else { fsck_log ("bad_indirect_item: %H has wrong ih_free_space\n", ih); one_more_corruption(fs, fixable); } } #endif return 0; } /* FIXME: this was is_bad_directory from pass0.c */ static int bad_directory_item(reiserfs_filsys_t fs, struct buffer_head *bh, struct item_head *ih) { char *name, *prev_name; __u32 off, prev_off; unsigned int count, i; struct reiserfs_de_head *deh = B_I_DEH(bh, ih); int min_entry_size = 1; /* We have no way to understand whether the filesystem was created in 3.6 format or converted to it. So, we assume that minimal name length is 1 */ __u16 state; int namelen; count = get_ih_entry_count(ih); if (count == 0) { one_more_corruption(fs, FATAL); return 1; } /* make sure item looks like a directory */ if (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size) < count) { /* entry count can not be that big */ fsck_log ("%s: block %lu: The directory item %k has the exsessively " "big entry count (%u)\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key, count); one_more_corruption(fs, FATAL); return 1; } if (get_deh_location(&deh[count - 1]) != DEH_SIZE * count) { /* last entry should start right after array of dir entry headers */ fsck_log ("%s: block %lu: The directory item %k has the corrupted " "entry structure\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key); one_more_corruption(fs, FATAL); return 1; } /* check name hashing */ prev_name = ih_item_body(bh, ih) + get_ih_item_len(ih); prev_off = 0; for (i = 0; i < count; i++, deh++) { namelen = name_in_entry_length(ih, deh, i); name = name_in_entry(deh, i); off = get_deh_offset(deh); if (namelen > (int)REISERFS_MAX_NAME_LEN(fs->fs_blocksize) || name >= prev_name || off <= prev_off) { fsck_log ("%s: block %lu: The directory item %k has a broken entry " "(%d)\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key, i); one_more_corruption(fs, FATAL); return 1; } if (!is_properly_hashed(fs, name, namelen, off)) { fsck_log ("%s: block %lu: The directory item %k has a not properly " "hashed entry (%d)\n", __FUNCTION__, bh->b_blocknr, &ih->ih_key, i); one_more_corruption(fs, FATAL); return 1; } prev_name = name; prev_off = off; } deh = B_I_DEH(bh, ih); state = (1 << DEH_Visible2); /* ok, items looks like a directory */ for (i = 0; i < count; i++, deh++) { if (get_deh_state(deh) != state) { fsck_log ("bad_directory_item: block %lu: The directory item %k " "has the entry (%d) \"%.*s\" with a not legal state " "(%o), (%o) expected", bh->b_blocknr, &ih->ih_key, i, name_in_entry_length(ih, deh, i), name_in_entry(deh, i), get_deh_state(deh), state); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { set_deh_state(deh, 1 << DEH_Visible2); mark_buffer_dirty(bh); fsck_log(" - corrected\n"); } else one_more_corruption(fs, FIXABLE); fsck_log("\n"); } } return 0; } static int bad_item(reiserfs_filsys_t fs, struct buffer_head *bh, int num) { struct item_head *ih; int format; ih = item_head(bh, num); if ((get_ih_flags(ih)) != 0) { if (fsck_mode(fs) != FSCK_FIX_FIXABLE) { one_more_corruption(fs, FIXABLE); fsck_log ("%s: vpf-10570: block %lu: The item header (%d) has not " "cleaned flags.\n", __FUNCTION__, bh->b_blocknr, num); } else { fsck_log ("%s: vpf-10580: block %lu: Flags in the item header " "(%d) were cleaned\n", __FUNCTION__, bh->b_blocknr, num); clean_ih_flags(ih); mark_buffer_dirty(bh); } } if (is_stat_data_ih(ih) && get_ih_item_len(ih) == SD_SIZE) format = KEY_FORMAT_2; else if (is_stat_data_ih(ih) && get_ih_item_len(ih) == SD_V1_SIZE) format = KEY_FORMAT_1; else format = key_format(&ih->ih_key); if (format != get_ih_key_format(ih)) { if (fsck_mode(fs) != FSCK_FIX_FIXABLE) { one_more_corruption(fs, FIXABLE); fsck_log ("%s: vpf-10710: block %lu: The format (%d) specified " "in the item header (%d) differs from the key format " "(%d).\n", __FUNCTION__, bh->b_blocknr, get_ih_key_format(ih), num, format); } else { fsck_log ("%s: vpf-10720: block %lu: The format (%d) specified in " "the item header (%d) was fixed to the key format (%d).\n", __FUNCTION__, bh->b_blocknr, get_ih_key_format(ih), num, format); set_ih_key_format(ih, format); mark_buffer_dirty(bh); } } if (get_key_objectid(&ih->ih_key) == BADBLOCK_OBJID) { if (get_key_dirid(&ih->ih_key) == BADBLOCK_DIRID && is_indirect_ih(ih)) { /* Bad Block support. */ return bad_badblocks_item(fs, bh, ih); } goto error; } else { if (get_key_dirid(&ih->ih_key) == (__u32) - 1) { /* Safe Link support. Allowable safe links are: -1 object_id 0x1 INDIRECT (truncate) or -1 object_id blocksize+1 DIRECT (unlink) */ if (is_direct_ih(ih) && get_offset(&ih->ih_key) == fs->fs_blocksize + 1) { if (get_ih_item_len(ih) == 4) { /*fsck_log("vpf-00010: safe link found %k\n", &ih->ih_key); */ fsck_check_stat(fs)->safe++; return 0; } } if (is_indirect_ih(ih) && get_offset(&ih->ih_key) == 0x1) { if (get_ih_item_len(ih) == 4) { /*fsck_log("vpf-00020: safe link found %k\n", &ih->ih_key); */ fsck_check_stat(fs)->safe++; return 0; } } /* it does not look like safe link */ goto error; } } if (is_stat_data_ih(ih)) return bad_stat_data(fs, bh, ih); if (is_direct_ih(ih)) return bad_direct_item(fs, bh, ih); if (is_indirect_ih(ih)) return bad_indirect_item(fs, bh, ih); return bad_directory_item(fs, bh, ih); error: one_more_corruption(fs, FATAL); fsck_log("%s: vpf-10310: block %lu, item %d: The item has a wrong " "key %k\n", __FUNCTION__, num, bh->b_blocknr, &ih->ih_key); return 1; } /* 1 if i-th and (i-1)-th items can not be neighbors in a leaf */ int bad_pair(reiserfs_filsys_t fs, struct buffer_head *bh, int pos) { struct item_head *ih; ih = item_head(bh, pos); if (comp_keys(&((ih - 1)->ih_key), &ih->ih_key) != -1) { if (fsck_mode(fs) != FSCK_REBUILD) one_more_corruption(fs, FATAL); return 1; } if (is_stat_data_ih(ih)) /* left item must be of another object */ if (comp_short_keys(&((ih - 1)->ih_key), &ih->ih_key) != -1) { if (fsck_mode(fs) != FSCK_REBUILD) one_more_corruption(fs, FATAL); return 1; } if (get_key_objectid(&ih->ih_key) == BADBLOCK_OBJID) { /* BAD BLOCK LIST SUPPORT. */ if (get_key_dirid(&ih->ih_key) == BADBLOCK_DIRID && is_indirect_ih(ih) && comp_short_keys(&((ih - 1)->ih_key), &ih->ih_key)) return 0; } else { /* Safe link support. */ if (get_key_dirid(&ih->ih_key) == (__u32) - 1) { if (comp_short_keys(&((ih - 1)->ih_key), &ih->ih_key) == 0) { if (is_indirect_ih(ih - 1) && is_direct_ih(ih)) return 0; /* safe link */ /* they do not look like safe links */ } else { if (is_indirect_ih(ih) || is_direct_ih(ih)) return 0; /* safe link */ /* it does not look like safe link */ } } } if (is_direct_ih(ih)) { /* left item must be indirect or stat data item of the same file */ if (not_of_one_file(&((ih - 1)->ih_key), &ih->ih_key)) { if (fsck_mode(fs) != FSCK_REBUILD) one_more_corruption(fs, FATAL); return 1; } if (! ((is_stat_data_ih(ih - 1) && get_offset(&ih->ih_key) == 1) || (is_indirect_ih(ih - 1) && get_offset(&(ih - 1)->ih_key) + get_bytes_number(ih - 1, bh->b_size) == get_offset(&ih->ih_key)))) { if (fsck_mode(fs) != FSCK_REBUILD) one_more_corruption(fs, FATAL); return 1; } } if (is_indirect_ih(ih) || is_direntry_ih(ih)) { /* left item must be stat data of the same object */ if (not_of_one_file(&((ih - 1)->ih_key), &ih->ih_key) || !is_stat_data_ih(ih - 1)) { if (fsck_mode(fs) != FSCK_REBUILD) one_more_corruption(fs, FATAL); return 1; } } return 0; } /* 1 if block head or any of items is bad */ static int bad_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { int i; if (leaf_structure_check(fs, bh)) return 1; for (i = 0; i < B_NR_ITEMS(bh); i++) { if (bad_item(fs, bh, i)) { fsck_log ("bad_leaf: block %lu, item %d: The corrupted item found " "(%H)\n", bh->b_blocknr, i, item_head(bh, i)); } if (i && bad_pair(fs, bh, i)) { fsck_log ("bad_leaf: block %lu, items %d and %d: The wrong order " "of items: %k, %k\n", bh->b_blocknr, i - 1, i, &item_head(bh, i - 1)->ih_key, &item_head(bh, i)->ih_key); } } return 0; } /* 1 if bh does not look like internal node */ static int bad_internal(reiserfs_filsys_t fs, struct buffer_head *bh) { int i; for (i = 0; i <= B_NR_ITEMS(bh); i++) { if (i != B_NR_ITEMS(bh) && i != B_NR_ITEMS(bh) - 1) /* make sure that keys are in increasing order */ if (comp_keys(internal_key(bh, i), internal_key(bh, i + 1)) != -1) { fsck_log ("%s: vpf-10320: block %lu, items %d and %d: The " "wrong order of items: %k, %k\n", __FUNCTION__, bh->b_blocknr, i, i + 1, internal_key(bh, i), internal_key(bh, i + 1)); one_more_corruption(fs, FATAL); return 1; } /* make sure that the child is correct */ if (bad_block_number (fs, get_dc_child_blocknr(B_N_CHILD(bh, i)))) { fsck_log ("%s: vpf-10330: block %lu, item %d: The internal item " "points to the not legal block (%lu)\n", __FUNCTION__, bh->b_blocknr, i, get_dc_child_blocknr(B_N_CHILD(bh, i))); one_more_corruption(fs, FATAL); return 1; } } return 0; } /* h == 0 for root level. block head's level == 1 for leaf level */ static inline int h_to_level(reiserfs_filsys_t fs, int h) { return get_sb_tree_height(fs->fs_ondisk_sb) - h - 1; } #if 0 int dc_fix(struct buffer_head *bh, int pos, __u32 block) { if (!bh || !bh->b_data) return -1; if (B_NR_ITEMS(bh) < pos) return -1; set_dc_child_blocknr(B_N_CHILD(bh, pos), block); mark_buffer_dirty(bh); bwrite(bh); return 0; } /* Removes @N-th key and @(N+1) pointer. */ int internal_remove(struct buffer_head *bh, int pos) { char *delete; __u32 nr; if (!bh || !bh->b_data) return -1; if (B_NR_ITEMS(bh) < pos) return -1; delete = (char *)B_N_CHILD(bh, pos + 2); memmove(delete - DC_SIZE, delete, bh->b_size - (delete - bh->b_data)); delete = (char *)internal_key(bh, pos + 1); memmove(delete - KEY_SIZE, delete, bh->b_size - (delete - bh->b_data)); nr = B_NR_ITEMS(bh) - 1; set_blkh_nr_items(B_BLK_HEAD(bh), nr); set_blkh_free_space(B_BLK_HEAD(bh), bh->b_size - (BLKH_SIZE + KEY_SIZE * nr + DC_SIZE * (nr + 1))); mark_buffer_dirty(bh); bwrite(bh); return 0; } int leaf_fix_key_oid(struct buffer_head *bh, int pos, __u32 oid) { struct item_head *ih; if (!bh || !bh->b_data) return -1; if (B_NR_ITEMS(bh) < pos) return -1; ih = item_head(bh, pos); set_key_objectid(&ih->ih_key, oid); mark_buffer_dirty(bh); bwrite(bh); return 0; } #endif /* bh must be formatted node. blk_level must be tree_height - h + 1 */ static int bad_node(reiserfs_filsys_t fs, struct buffer_head **path, int h) { struct buffer_head **pbh = &path[h]; if (B_LEVEL(*pbh) != h_to_level(fs, h)) { fsck_log ("block %lu: The level of the node (%d) is not correct, " "(%d) expected\n", (*pbh)->b_blocknr, B_LEVEL(*pbh), h_to_level(fs, h)); one_more_corruption(fs, FATAL); return 1; } if (bad_block_number(fs, (*pbh)->b_blocknr)) { one_more_corruption(fs, FATAL); fsck_log ("%s: vpf-10340: The node in the wrong block number (%lu) " "found in the tree\n", __FUNCTION__, (*pbh)->b_blocknr); return 1; } if (got_already(fs, (*pbh)->b_blocknr)) { fsck_log ("%s: vpf-10350: The block (%lu) is used more than once " "in the tree.\n", __FUNCTION__, (*pbh)->b_blocknr); one_more_corruption(fs, FATAL); return 1; } if (is_leaf_node(*pbh)) { fsck_check_stat(fs)->leaves++; return bad_leaf(fs, *pbh); } fsck_check_stat(fs)->internals++; return bad_internal(fs, *pbh); } /* internal node bh must point to block */ static int get_pos(const struct buffer_head *bh, unsigned long block) { int i; for (i = 0; i <= B_NR_ITEMS(bh); i++) { if (get_dc_child_blocknr(B_N_CHILD(bh, i)) == block) return i; } die("An internal pointer to the block (%lu) cannot be found in the node (%lu)", block, bh->b_blocknr); return 0; } /* path[h] - leaf node */ static struct reiserfs_key *lkey(struct buffer_head **path, int h) { int pos; while (h > 0) { pos = get_pos(path[h - 1], path[h]->b_blocknr); if (pos) return internal_key(path[h - 1], pos - 1); h--; } return NULL; } /* path[h] - leaf node */ static struct reiserfs_key *rkey(struct buffer_head **path, int h) { int pos; while (h > 0) { pos = get_pos(path[h - 1], path[h]->b_blocknr); if (pos != B_NR_ITEMS(path[h - 1])) return internal_key(path[h - 1], pos); h--; } return NULL; } /* are all delimiting keys correct */ static int bad_path(reiserfs_filsys_t fs, struct buffer_head **path, int h1) { int h = 0; const struct reiserfs_key *dk; int pos = 0; while (path[h]) h++; h--; // path[h] is leaf if (h != h1) die("bad_path: The leaf is expected as the last element in the path"); if (h) pos = get_pos(path[h - 1], path[h]->b_blocknr); dk = lkey(path, h); if (dk && comp_keys(dk, leaf_key(path[h], 0))) { /* left delimiting key must be equal to the key of 0-th item in the node */ fsck_log ("bad_path: The left delimiting key %k of the node (%lu) must " "be equal to the first element's key %k within the node.\n", dk, path[h]->b_blocknr, leaf_key(path[h], 0)); one_more_corruption(fs, FATAL); return 1; } dk = rkey(path, h); if (dk && comp_keys(dk, leaf_key(path[h], get_blkh_nr_items(B_BLK_HEAD(path[h])) - 1)) != 1) { /* right delimiting key must be gt the key of the last item in the node */ fsck_log ("bad_path: The right delimiting key %k of the node (%lu) must " "be greater than the last (%d) element's key %k within the node.\n", dk, path[h]->b_blocknr, get_blkh_nr_items(B_BLK_HEAD(path[h])) - 1, leaf_key(path[h], get_blkh_nr_items(B_BLK_HEAD(path[h])) - 1)); one_more_corruption(fs, FATAL); return 1; } if (h && (get_dc_child_size(B_N_CHILD(path[h - 1], pos)) + get_blkh_free_space((struct block_head *)path[h]->b_data) + BLKH_SIZE != path[h]->b_size)) { /* wrong dc_size */ fsck_log ("bad_path: block %lu, pointer %d: The used space (%d) of the " "child block (%lu)", path[h - 1]->b_blocknr, pos, get_dc_child_size(B_N_CHILD(path[h - 1], pos)), path[h]->b_blocknr); fsck_log (" is not equal to the (blocksize (4096) - free space (%d) - " "header size (%u))", get_blkh_free_space((struct block_head *)path[h]->b_data), BLKH_SIZE); if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { set_dc_child_size(B_N_CHILD(path[h - 1], pos), path[h]->b_size - get_blkh_free_space((struct block_head *)path[h]-> b_data) - BLKH_SIZE); fsck_log(" - corrected to (%lu)\n", get_dc_child_size(B_N_CHILD (path[h - 1], pos))); mark_buffer_dirty(path[h - 1]); } else { one_more_corruption(fs, FIXABLE); fsck_log("\n"); return 1; } } return 0; } static void before_check_fs_tree(reiserfs_filsys_t fs) { init_control_bitmap(fs); source_bitmap = reiserfs_create_bitmap(get_sb_block_count(fs->fs_ondisk_sb)); reiserfs_bitmap_copy(source_bitmap, fs->fs_bitmap2); proper_id_map(fs) = id_map_init(); } static void after_check_fs_tree(reiserfs_filsys_t fs) { if (fsck_mode(fs) == FSCK_FIX_FIXABLE) { reiserfs_flush_to_ondisk_bitmap(fs->fs_bitmap2, fs); reiserfs_flush(fs); fs->fs_dirt = 1; reiserfs_bitmap_delta(source_bitmap, control_bitmap); fsck_deallocate_bitmap(fs) = source_bitmap; } else reiserfs_delete_bitmap(source_bitmap); reiserfs_delete_bitmap(control_bitmap); flush_buffers(fs->fs_dev); } /* pass internal tree of filesystem */ void check_fs_tree(reiserfs_filsys_t fs) { before_check_fs_tree(fs); fsck_progress("Checking internal tree.. "); pass_through_tree(fs, bad_node, bad_path, fsck_mode(fs) == FSCK_AUTO ? 2 : -1); /* internal tree is correct (including all objects have correct sequences of items) */ fsck_progress("finished\n"); /* compare created bitmap with the original */ if (fsck_mode(fs) == FSCK_AUTO) { if (auto_handle_bitmaps(fs)) { fprintf(stderr, "The on-disk bitmap looks corrupted."); one_more_corruption(fs, FIXABLE); } id_map_free(proper_id_map(fs)); } else handle_bitmaps(fs); after_check_fs_tree(fs); } static int clean_attributes_handler(reiserfs_filsys_t fs, struct buffer_head **path, int h) { struct buffer_head *bh = path[h]; int i; if (B_LEVEL(bh) != h_to_level(fs, h)) { reiserfs_panic ("The node (%lu) with wrong level (%d) found in the " "tree, (%d) expected\n", bh->b_blocknr, B_LEVEL(bh), h_to_level(fs, h)); } if (!is_leaf_node(bh)) return 0; for (i = 0; i < B_NR_ITEMS(bh); i++) { if (is_stat_data_ih(item_head(bh, i)) && get_ih_item_len(item_head(bh, i)) == SD_SIZE) { set_sd_v2_sd_attrs((struct stat_data *)item_body(bh, i), 0); mark_buffer_dirty(bh); } } return 0; } void do_clean_attributes(reiserfs_filsys_t fs) { pass_through_tree(fs, clean_attributes_handler, NULL, -1); set_sb_v2_flag(fs->fs_ondisk_sb, reiserfs_attrs_cleared); mark_buffer_dirty(fs->fs_super_bh); } reiserfsprogs-3.6.25/fsck/info.c0000644000175000001440000001404512215632405013452 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" int fsck_user_confirmed(reiserfs_filsys_t fs, char *q, char *a, int default_answer) { if (!fsck_interactive(fs)) return default_answer; return user_confirmed(fsck_progress_file(fs), q, a); } void stage_report(int pass, reiserfs_filsys_t fs) { switch (pass) { case 0: { struct pass0_stat *stat; /* what has been done on pass 0 */ stat = pass_0_stat(fs); fsck_progress ("\tRead blocks (but not data blocks) %lu\n", stat->dealt_with); fsck_progress("\t\tLeaves among those %lu\n", stat->leaves); if (stat->leaves_corrected) fsck_progress("\t\t\t- corrected leaves %lu\n", stat->leaves_corrected); if (stat->all_contents_removed) fsck_progress ("\t\t\t- leaves all contents of which could not be saved and deleted %lu\n", stat->all_contents_removed); if (stat->too_old_leaves) fsck_progress ("\t\t\t- too old leaves %lu (skipped)\n", stat->too_old_leaves); if (stat->wrong_pointers) fsck_progress ("\t\tpointers in indirect items to wrong area %lu (zeroed)\n", stat->wrong_pointers); fsck_progress("\t\tObjectids found %lu\n", proper_id_map(fs)->count); } break; case 1: { struct pass1_stat *stat; /* what has been done on pass 1 */ stat = pass_1_stat(fs); fsck_progress("\t%lu leaves read\n", stat->leaves); fsck_progress("\t\t%lu inserted\n", stat->inserted_leaves); if (stat->pointed_leaves) fsck_progress ("\t\t\t- pointers in indirect items pointing to metadata %lu (zeroed)\n", stat->pointed_leaves); if (stat->saved_items) fsck_progress("\tSaved %lu items\n", stat->saved_items); if (stat->uninsertable_leaves) fsck_progress("\t\t%lu not inserted\n", stat->uninsertable_leaves); if (stat->non_unique_pointers) fsck_progress ("\tnon-unique pointers in indirect items (zeroed) %lu\n", stat->non_unique_pointers); } break; case 2: { struct pass2_stat *stat; /* what has been done on pass 2 */ stat = pass_2_stat(fs); if (stat->leaves) fsck_progress ("\tLeaves inserted item by item %lu\n", stat->leaves); if (stat->safe_non_unique_pointers) fsck_progress("\t%lu \n", stat->safe_non_unique_pointers); if (stat->shared_objectids) fsck_progress("\t%lu shared objectids\n", stat->shared_objectids); if (stat->relocated) fsck_progress ("\tFiles relocated because of key conflicts with a directory %lu\n", stat->relocated); if (stat->rewritten) fsck_progress("\tFiles rewritten %lu\n", stat->rewritten); } break; case 3: /* semantic */ { struct semantic_stat *stat; /* what has been done on the semantic pass */ stat = sem_pass_stat(fs); fsck_progress("\tFiles found: %ld\n", stat->regular_files); fsck_progress("\tDirectories found: %ld\n", stat->directories); if (stat->symlinks) fsck_progress("\tSymlinks found: %ld\n", stat->symlinks); if (stat->others) fsck_progress("\tOthers: %ld\n", stat->others); if (stat->broken_files) fsck_progress ("\tBroken (of files/symlinks/others): %ld\n", stat->broken_files); if (stat->fixed_sizes) fsck_progress("\tFiles with fixed size: %ld\n", stat->fixed_sizes); if (stat->deleted_entries) fsck_progress ("\tNames pointing to nowhere (removed): %ld\n", stat->deleted_entries); if (stat->oid_sharing) fsck_progress ("\tObjects having used objectids: %lu\n", stat->oid_sharing); if (stat->oid_sharing_files_relocated) fsck_progress("\t\tfiles fixed %lu\n", stat-> oid_sharing_files_relocated); if (stat->oid_sharing_dirs_relocated) fsck_progress("\t\tdirs fixed %lu\n", stat->oid_sharing_dirs_relocated); } break; case 0x3a: /* lost+found pass */ { struct lost_found_stat *stat; /* what has been done on the semantic pass */ stat = lost_found_pass_stat(fs); if (stat->lost_found) fsck_progress("\tObjects without names %lu\n", stat->lost_found); if (stat->empty_lost_dirs) fsck_progress("\tEmpty lost dirs removed %lu\n", stat->empty_lost_dirs); if (stat->lost_found_dirs) fsck_progress ("\tDirs linked to /lost+found: %lu\n", stat->lost_found_dirs); if (stat->dir_recovered) fsck_progress ("\t\tDirs without stat data found %lu\n", stat->dir_recovered); if (stat->lost_found_files) fsck_progress ("\tFiles linked to /lost+found %lu\n", stat->lost_found_files); if (stat->oid_sharing) fsck_progress ("\tObjects having used objectids: %lu\n", stat->oid_sharing); if (stat->oid_sharing_files_relocated) fsck_progress("\t\tfiles fixed %lu\n", stat-> oid_sharing_files_relocated); if (stat->oid_sharing_dirs_relocated) fsck_progress("\t\tdirs fixed %lu\n", stat->oid_sharing_dirs_relocated); } break; case 4: /* removing of unreachable */ { struct pass_4_stat *stat; /* what has been done on the semantic pass */ stat = pass_4_stat(fs); if (stat->deleted_items) fsck_progress ("\tDeleted unreachable items %lu\n", stat->deleted_items); } break; case 5: fsck_progress("There are on the filesystem:\n" "\tLeaves %lu\n\tInternal nodes %lu\n" "\tDirectories %lu\n\tOther files %lu\n" "\tData block pointers %lu (%lu of them are zero)\n" "\tSafe links %lu\n", fsck_check_stat(fs)->leaves, fsck_check_stat(fs)->internals, fsck_check_stat(fs)->dirs, fsck_check_stat(fs)->files, fsck_check_stat(fs)->unfm_pointers, fsck_check_stat(fs)->zero_unfm_pointers, fsck_check_stat(fs)->safe); } /* switch */ memset(&fsck_data(fs)->rebuild.pass_u, 0, sizeof(fsck_data(fs)->rebuild.pass_u)); } reiserfsprogs-3.6.25/fsck/super.c0000644000175000001440000007373312725332456013677 00000000000000/* * Copyright 2001-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "fsck.h" #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) # include #endif #define fsck_conditional_log(sb_found, fmt, list...) { \ if (sb_found) \ fsck_log(fmt, ## list); \ } static int what_fs_version(void) { size_t n = 0; char *answer = NULL; int version; printf("\nwhat the version of ReiserFS do you use[1-4]\n" "\t(1) 3.6.x\n" "\t(2) >=3.5.9 (introduced in the middle of 1999) (if you use linux 2.2, choose this one)\n" "\t(3) < 3.5.9 converted to new format (don't choose if unsure)\n" "\t(4) < 3.5.9 (this is very old format, don't choose if unsure)\n" "\t(X) exit\n"); getline(&answer, &n, stdin); version = atoi(answer); if (version < 1 || version > 4) die("rebuild_sb: wrong version"); return version; } /* #define super_error(exit_code, text) { \ fsck_log(text); \ return exit_code; \ } int check_sb (reiserfs_filsys_t fs) { int magic = 0, version = 0; if (!is_blocksize_correct (fs->fs_blocksize)) super_error(-1, "Wrong blocksize found in the super block\n"); if (is_reiserfs_3_6_magic_string (sb)) magic = 2; else if (is_reiserfs_3_5_magic_string (sb)) magic = 1; else if (is_reiserfs_jr_magic_string (sb)) magic = 3; else super_error(-1, "Invalid magic found in the super block.\n"); if (magic == 1 || magic == 2) { if (fsck_data (fs)->journal_dev_name) fsck_log("Reiserfs with standard journal found, but there was specified a " "journal dev\n"); standard_journal = 1; } else { if (!fsck_data (fs)->journal_dev_name) super_error(-1, "Reiserfs with non standard journal found, but there was not " "specified any journal dev\n"); standard_journal = 0; } if (get_sb_version (sb) != REISERFS_FORMAT_3_6 && get_sb_version (sb) != REISERFS_FORMAT_3_5) super_error(-1, "Invalid format found in the super block.\n"); if (is_new_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) { if (magic == 3) version = get_sb_version (sb) == REISERFS_FORMAT_3_6 ? 1 : 2; else version = magic == 2 ? 1 : 2; } else if (is_old_sb_location(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) { if (magic == 3) version = get_sb_version (sb) == REISERFS_FORMAT_3_6 ? 3 : 4; else version = magic == 2 ? 3 : 4; } else die("Super block in the wong block(%d).\n", fs->fs_super_bh->b_blocknr); if (version == 0) die ("FS format must be figured out here.\n"); if (get_sb_block_count (sb) > count_blocks (filename, fs->fs_blocksize)) super_error(-1, "Invalid block count found in the super block.\n"); if (get_sb_block_size (sb) != fs->fs_blocksize) super_error(-1, "Invalid block size found in the super block (%lu).\n", get_sb_block_size (sb)); //Non needed from here p_oid_maxsize = (fs->fs_blocksize - reiserfs_super_block_size (sb)) / sizeof(__u32) / 2 * 2; if (get_sb_oid_maxsize (sb) != p_oid_maxsize) super_error(-1, "Invalid objectid map max size found in the super block (%lu).\n", get_sb_oid_maxsize (sb)); if (get_sb_oid_cursize (sb) == 1 || get_sb_oid_cursize (sb) > get_sb_oid_maxsize (sb)) super_error(-1, "Invalid objectid map found in the super block (%lu).\n", get_sb_oid_cursize (sb)); if (get_sb_root_block (sb) > block_count && get_sb_root_block (sb) != ~0) fsck_log("Invalid root block found in the super block (%lu).\n", get_sb_root_block (sb)); if (get_sb_free_blocks (sb) > block_count) fsck_log ("Invalid free block count found in the super block (%lu).\n", get_sb_free_blocks (sb)); if (get_sb_tree_height (sb) && ((get_sb_tree_height (sb) < DISK_LEAF_NODE_LEVEL + 1) || (get_sb_tree_height (sb) > MAX_HEIGHT) && (get_sb_tree_height (sb) != ~0))) super_error(-1, "Invalid tree height found in the super block (%lu).\n", get_sb_tree_height (sb)); if (get_sb_hash_code (sb) && code2name (get_sb_hash_code (sb)) == 0) super_error(-1, "Invalid hash found in the super block (%lu).\n", get_sb_hash_code (sb)); if (version == 1 || version == 3) { if (!uuid_is_correct(sb->s_uuid)) fsck_log ("Invalid uuid found, you should generate a new one.\n"); if (sb->s_flags & 0xfffffffe) fsck_log ("rebuild-sb: super block flags found (%u), zeroed\n", sb->s_flags); } //Not needed till here. p_bmap_nr = (block_count + (fs->fs_blocksize * 8 - 1)) / (fs->fs_blocksize * 8); if (get_sb_bmap_nr (sb) != p_bmap_nr) super_error(-1, "Invalid bitmap number found in the super block (%lu).\n", get_sb_bmap_nr (sb)); if (!fsck_skip_journal (fs) && standard_journal == 1) { if (get_jp_journal_dev (sb_jp(sb)) != 0) super_error(-1, "Invalid journal device found (%lu).\n", get_jp_journal_dev (sb_jp(sb))); if (get_jp_journal_1st_block (sb_jp(sb)) != get_journal_start_must (fs)) super_error(-1, "Invalid journal first block found (%lu).\n", get_jp_journal_1st_block (sb_jp(sb))); if (get_jp_journal_size (sb_jp(sb)) != journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) super_error(-1, "Invalid journal size found (%lu).\n", get_jp_journal_size (sb_jp(sb)) + 1); if (get_jp_journal_max_batch (sb_jp(sb)) != advise_journal_max_batch(get_jp_journal_max_trans_len (sb_jp(sb)))) { fsck_conditional_log (magic_was_found, "rebuild-sb: wrong journal max batch size occured (%lu), fixed (%d)\n", get_jp_journal_max_batch (sb_jp(sb)), advise_journal_max_batch(get_jp_journal_max_trans_len (sb_jp(sb)))); set_jp_journal_max_batch (sb_jp(sb), advise_journal_max_batch(get_jp_journal_max_trans_len (sb_jp(sb)))); } if (get_jp_journal_max_commit_age (sb_jp(sb)) != advise_journal_max_commit_age()) { fsck_conditional_log (magic_was_found, "rebuild-sb: wrong journal max commit age occured (%lu), fixed (%d)\n", get_jp_journal_max_commit_age (sb_jp(sb)), advise_journal_max_commit_age()); set_jp_journal_max_commit_age (sb_jp(sb), advise_journal_max_commit_age()); } if (get_jp_journal_max_trans_age (sb_jp(sb)) != advise_journal_max_trans_age()) { fsck_log ("rebuild-sb: wrong journal max commit age occured (%lu), fixed (0)\n", get_jp_journal_max_trans_age (sb_jp(sb)), advise_journal_max_trans_age()); set_jp_journal_max_trans_age (sb_jp(sb), advise_journal_max_trans_age()); } } */ void rebuild_sb(reiserfs_filsys_t fs, char *filename, struct fsck_data *data) { int version = 0; struct reiserfs_super_block *ondisk_sb = NULL; struct reiserfs_super_block *sb = NULL; struct reiserfs_journal_header *j_head; int magic_was_found = 0; unsigned long block_count = 0; __u16 p_oid_maxsize; unsigned int bmap_nr; __u32 p_jp_journal_1st_block = 0; __u32 p_jp_dev_size = 0; int standard_journal = -1; char *journal_dev_name = NULL; char *tmp; int sb_size; char *answer = NULL; size_t n = 0; struct stat stat_buf; int retval, exit_code = EXIT_OK; long error; if (!no_reiserfs_found(fs)) { sb = getmem(sizeof(*sb)); if (!is_opened_rw(fs)) { close(fs->fs_dev); fs->fs_dev = open(fs->fs_file_name, O_RDWR | O_LARGEFILE); } if (!is_blocksize_correct(fs->fs_blocksize)) { printf ("\nCannot find a proper blocksize, enter block size [4096]: \n"); getline(&answer, &n, stdin); if (strcmp(answer, "\n")) { retval = (int)strtol(answer, &tmp, 0); if ((*tmp && strcmp(tmp, "\n")) || retval < 0) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong block size specified\n"); if (!is_blocksize_correct(retval)) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong block size specified, " "only power of 2 from 512-8192 interval are supported.\n"); } else retval = 4096; fs->fs_blocksize = retval; } if (!(block_count = count_blocks(filename, fs->fs_blocksize))) exit(EXIT_OPER); /* save ondisk_sb somewhere and work in temp area */ ondisk_sb = fs->fs_ondisk_sb; memcpy(sb, fs->fs_ondisk_sb, sizeof(*sb)); fs->fs_ondisk_sb = sb; if (is_reiserfs_3_6_magic_string(sb)) { /* 3_6 magic */ if (fsck_data(fs)->journal_dev_name) /* journal dev must not be specified with standard journal */ reiserfs_exit(EXIT_USER, "ReiserFS with default journal " "is found, but there was specified a journal device."); if (fs->fs_super_bh->b_blocknr == REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 1; else if (fs->fs_super_bh->b_blocknr == REISERFS_OLD_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 3; magic_was_found = 2; } else if (is_reiserfs_3_5_magic_string(sb)) { if (fsck_data(fs)->journal_dev_name) /* journal dev must not be specified with standard journal */ reiserfs_exit(EXIT_USER, "ReiserFS with default journal " "is found, but there was specified a journal device."); /* 3_5 magic */ if (fs->fs_super_bh->b_blocknr == REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 2; else if (fs->fs_super_bh->b_blocknr == REISERFS_OLD_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 4; magic_was_found = 1; } else if (is_reiserfs_jr_magic_string(sb)) { if (!fsck_data(fs)->journal_dev_name && !fsck_skip_journal(fs)) /* journal dev must be specified with non standard journal */ reiserfs_exit(EXIT_USER, "ReiserFS with non default journal " "is found, but there was not specified any journal device."); if (get_sb_version(sb) == REISERFS_FORMAT_3_6) { /*non-standard magic + sb_format == 3_6 */ if (fs->fs_super_bh->b_blocknr == REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 1; else if (fs->fs_super_bh->b_blocknr == REISERFS_OLD_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 3; magic_was_found = 3; } else if (get_sb_version(sb) == REISERFS_FORMAT_3_5) { /* non-standard magic + sb_format == 3_5 */ if (fs->fs_super_bh->b_blocknr == REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 2; else if (fs->fs_super_bh->b_blocknr == REISERFS_OLD_DISK_OFFSET_IN_BYTES / fs->fs_blocksize) version = 4; magic_was_found = 3; } else { /* non-standard magic + bad sb_format */ version = 0; magic_was_found = 3; } } else reiserfs_exit(EXIT_USER, "We opened device but there is no magic " "and there is no correct superblock format found."); if (magic_was_found == 1 || magic_was_found == 2) standard_journal = 1; else standard_journal = 0; if (version == 0) version = what_fs_version(); if (get_sb_block_count(sb) != block_count) { do { printf("\nDid you use resizer(y/n)[n]: "); getline(&answer, &n, stdin); } while (strcmp("y\n", answer) && strcmp("n\n", answer) && strcmp("\n", answer)); if (!strcmp("y\n", answer)) { printf("\nEnter partition size [%lu]: ", block_count); getline(&answer, &n, stdin); if (strcmp("\n", answer)) block_count = atoi(answer); } else { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong block count " "occured (%lu), fixed (%lu)\n", get_sb_block_count(sb), block_count); } set_sb_block_count(sb, block_count); } if (get_sb_block_size(sb) != fs->fs_blocksize) { fsck_log ("rebuild-sb: wrong block size occured (%lu), fixed (%lu)\n", get_sb_block_size(sb), fs->fs_blocksize); set_sb_block_size(sb, fs->fs_blocksize); } } /* if no reiserfs_found or bad data found in that SB, what was checked in previous * clause */ if (no_reiserfs_found(fs)) { int fd; fd = open(filename, O_RDWR | O_LARGEFILE); if (fd == -1) { reiserfs_exit(EXIT_OPER, "rebuils_sb: cannot open device %s", filename); } version = what_fs_version(); if (version == 3 || version == 4) { retval = 4096; } else { printf("\nEnter block size [4096]: \n"); getline(&answer, &n, stdin); if (strcmp(answer, "\n")) { retval = (int)strtol(answer, &tmp, 0); if ((*tmp && strcmp(tmp, "\n")) || retval < 0) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong block size specified\n"); if (!is_blocksize_correct(retval)) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong block size specified, " "only divisible by 1024 are supported currently\n"); } else retval = 4096; } if (!(block_count = count_blocks(filename, retval))) exit(EXIT_OPER); switch (version) { case 1: fs = reiserfs_create(filename, REISERFS_FORMAT_3_6, block_count, retval, 1, 1, &error); break; case 2: fs = reiserfs_create(filename, REISERFS_FORMAT_3_5, block_count, retval, 1, 1, &error); break; case 3: fs = reiserfs_create(filename, REISERFS_FORMAT_3_6, block_count, retval, 1, 0, &error); break; case 4: fs = reiserfs_create(filename, REISERFS_FORMAT_3_5, block_count, retval, 1, 0, &error); break; } if (fs == NULL) { fprintf(stderr, "reiserfs_create failed: %s\n", error_message(error)); return; } sb = fs->fs_ondisk_sb; fs->fs_vp = data; if (!fsck_skip_journal(fs)) { if (!fsck_data(fs)->journal_dev_name) { do { printf ("\nNo journal device was specified. (If journal is not " "available, re-run with --no-journal-available option specified).\n" "Is journal default? (y/n)[y]: "); getline(&answer, &n, stdin); } while (strcmp("y\n", answer) && strcmp("n\n", answer) && strcmp("\n", answer)); if (!strcmp("n\n", answer)) { printf ("\nSpecify journal device with -j option.\n"); exit(EXIT_USER); } standard_journal = 1; } else { standard_journal = 0; memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_JR_SUPER_MAGIC_STRING, strlen(REISERFS_JR_SUPER_MAGIC_STRING)); } } do { printf("\nDid you use resizer(y/n)[n]: "); getline(&answer, &n, stdin); } while (strcmp("y\n", answer) && strcmp("n\n", answer) && strcmp("\n", answer)); if (!strcmp("y\n", answer)) { printf("\nEnter partition size [%lu]: ", block_count); getline(&answer, &n, stdin); if (strcmp("\n", answer)) block_count = atoi(answer); set_sb_block_count(sb, block_count); } set_sb_fs_state(sb, FS_ERROR); } if (version == 1 || version == 3) { if (get_reiserfs_format(sb) != REISERFS_FORMAT_3_6) { fsck_log ("rebuild-sb: wrong reiserfs version occured (%lu), fixed (%lu)\n", get_reiserfs_format(sb), REISERFS_FORMAT_3_6); set_sb_version(sb, REISERFS_FORMAT_3_6); } } else if (version == 2 || version == 4) { if (get_reiserfs_format(sb) != REISERFS_FORMAT_3_5) { fsck_log ("rebuild-sb: wrong reiserfs version occured (%lu), fixed (%lu)\n", get_reiserfs_format(sb), REISERFS_FORMAT_3_5); set_sb_version(sb, REISERFS_FORMAT_3_5); } } p_oid_maxsize = (fs->fs_blocksize - reiserfs_super_block_size(sb)) / sizeof(__u32) / 2 * 2; if (get_sb_oid_maxsize(sb) != p_oid_maxsize) { fsck_log ("rebuild-sb: wrong objectid map max size occured (%lu), fixed (%lu)\n", get_sb_oid_maxsize(sb), p_oid_maxsize); set_sb_oid_maxsize(sb, p_oid_maxsize); } bmap_nr = reiserfs_fs_bmap_nr(fs); if (reiserfs_bmap_over(bmap_nr) && get_sb_bmap_nr(sb) != 0) { fsck_log ("rebuild-sb: wrong bitmap number occured (%u), fixed (0) " "(really %u)\n", get_sb_bmap_nr(sb), bmap_nr); set_sb_bmap_nr(sb, 0); } else if (get_sb_bmap_nr(sb) != bmap_nr) { fsck_log("rebuild-sb: wrong bitmap number occured (%u), " "fixed (%u)\n", get_sb_bmap_nr(sb), bmap_nr); set_sb_bmap_nr(sb, bmap_nr); } if (get_sb_root_block(sb) > block_count) { fsck_log("rebuild-sb: wrong root block occured (%lu), zeroed\n", get_sb_root_block(sb)); set_sb_root_block(sb, 0); } if (get_sb_free_blocks(sb) > block_count) { fsck_log ("rebuild-sb: wrong free block count occured (%lu), zeroed\n", get_sb_free_blocks(sb)); set_sb_free_blocks(sb, 0); } if (get_sb_umount_state(sb) != FS_CLEANLY_UMOUNTED && get_sb_umount_state(sb) != FS_NOT_CLEANLY_UMOUNTED) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong umount state (%u), " "fixed to (FS_NOT_CLEANLY_UMOUNTED)\n", get_sb_umount_state(sb)); set_sb_umount_state(sb, FS_NOT_CLEANLY_UMOUNTED); } if (get_sb_oid_cursize(sb) == 1 || get_sb_oid_cursize(sb) > get_sb_oid_maxsize(sb)) { fsck_log ("rebuild-sb: wrong objectid map occured (%lu), zeroed\n", get_sb_oid_cursize(sb)); set_sb_oid_cursize(sb, 0); } if (get_sb_tree_height(sb) && ((get_sb_tree_height(sb) < DISK_LEAF_NODE_LEVEL + 1) || (get_sb_tree_height(sb) > MAX_HEIGHT))) { fsck_log("rebuild-sb: wrong tree height occured (%u), zeroed\n", get_sb_tree_height(sb)); set_sb_tree_height(sb, 0); } if (get_sb_hash_code(sb) && code2name(get_sb_hash_code(sb)) == NULL) { fsck_log("rebuild-sb: wrong hash occured (%lu), zeroed\n", get_sb_hash_code(sb)); set_sb_hash_code(sb, 0); } if (version == 1 || version == 3) { #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (uuid_is_null(sb->s_uuid)) { uuid_generate(sb->s_uuid); fsck_log("rebuild-sb: no uuid found, a new uuid was " "generated (%U)\n", sb->s_uuid); } #endif if (sb->s_flags != 0 && sb->s_flags != cpu_to_le32(1)) { fsck_log ("rebuild-sb: super block flags found (%u), zeroed\n", sb->s_flags); sb->s_flags = 0; } } /* if we have a standard journal reserved = 0 dev - same size = journal_default_size(fs->fs_super_bh->b_blocknr, fs) offset = journal_default_size(fs) if we have a non standard journal if we found magic string try to find a jhead and comare dev, size, offset there if params are not equal move to "if we did not find a magic string" clause if we did not find a magic string ask user about his journal try to find a jhead and comare dev, size, offset there if params are not equal exit with error */ p_jp_journal_1st_block = get_journal_start_must(fs); if (standard_journal == 1) { if (get_jp_journal_dev(sb_jp(sb)) != 0) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal device " "occured (%lu), fixed (0)\n", get_jp_journal_dev(sb_jp(sb))); set_jp_journal_dev(sb_jp(sb), 0); } if (get_sb_reserved_for_journal(sb) != 0) { fsck_log ("rebuild-sb: wrong size reserved for default journal occured " "(%lu), fixed (0)\n", get_sb_reserved_for_journal(sb)); set_sb_reserved_for_journal(sb, 0); } if (get_jp_journal_1st_block(sb_jp(sb)) != p_jp_journal_1st_block) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal first " "block occured (%lu), fixed (%lu)\n", get_jp_journal_1st_block(sb_jp (sb)), p_jp_journal_1st_block); set_jp_journal_1st_block(sb_jp(sb), p_jp_journal_1st_block); } if (get_jp_journal_size(sb_jp(sb)) != journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal size " "occured (%lu), fixed (%lu)\n", get_jp_journal_size(sb_jp(sb)) + 1, journal_default_size(fs-> fs_super_bh-> b_blocknr, fs-> fs_blocksize) + 1); set_jp_journal_size(sb_jp(sb), journal_default_size(fs-> fs_super_bh-> b_blocknr, fs-> fs_blocksize)); } if ((retval = reiserfs_open_journal(fs, filename, O_RDWR | O_LARGEFILE))) { fsck_log ("\nrebuild-sb: Failed to open the journal device (%s).\n", filename); exit(retval < 0 ? EXIT_OPER : EXIT_USER); } } else if (!fsck_skip_journal(fs)) { /* Check that specified non-standard journal device exists. */ journal_dev_name = fsck_data(fs)->journal_dev_name; retval = stat(journal_dev_name, &stat_buf); if (retval == -1) reiserfs_exit(EXIT_USER, "rebuild_sb: error while detecting the " "specified journal device (%s): %s\n", journal_dev_name, strerror(errno)); retval = 0; if (magic_was_found) { /* Super block was found. Try to open the journal on the base of its * journal parameters. */ retval = reiserfs_open_journal(fs, journal_dev_name, O_RDWR | O_LARGEFILE); if (retval == 0) { j_head = (struct reiserfs_journal_header *)(fs-> fs_jh_bh-> b_data); retval = memcmp(&j_head->jh_journal, sb_jp(sb), sizeof(struct journal_params)); if (retval) { /* journal parameters from the SB and from the J_Header does not * match. Close the jouranl, ask the user about correct journal * parameters. */ reiserfs_close_journal(fs); } } if (!reiserfs_journal_opened(fs)) { fsck_log ("Journal cannot be opened, assuming specified " "journal device is correct\n"); } } if (!reiserfs_journal_opened(fs)) { __u64 default_value; /* journal was not found or SB and J_Header parameters does not match. */ if (magic_was_found == 0) default_value = (!strcmp (fs->fs_file_name, journal_dev_name)) ? p_jp_journal_1st_block : 0; else default_value = get_jp_journal_1st_block(sb_jp(sb)); printf ("\nEnter journal offset on %s in blocks [%Lu]: \n", journal_dev_name, (unsigned long long)default_value); getline(&answer, &n, stdin); if (strcmp(answer, "\n")) { retval = (int)strtol(answer, &tmp, 0); if ((*tmp && strcmp(tmp, "\n")) || retval < 0) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong offset specified\n"); set_jp_journal_1st_block(sb_jp(sb), retval); } else set_jp_journal_1st_block(sb_jp(sb), default_value); if (! (p_jp_dev_size = count_blocks(journal_dev_name, fs->fs_blocksize))) exit(EXIT_OPER); /* some checks for journal offset */ if (strcmp(fs->fs_file_name, journal_dev_name) != 0) { if (p_jp_dev_size < get_jp_journal_1st_block(sb_jp(sb)) + 1) reiserfs_exit(EXIT_USER, "rebuild_sb: offset is much than device size\n"); } /* default size if magic was not found is device size - journal_1st_block; default size if magic was found is found value + 1 block for journal header */ if (magic_was_found == 0) default_value = (!strcmp (fs->fs_file_name, journal_dev_name)) ? journal_default_size(fs->fs_super_bh-> b_blocknr, fs->fs_blocksize) + 1 : p_jp_dev_size - get_jp_journal_1st_block(sb_jp(sb)); else default_value = get_jp_journal_size(sb_jp(sb)) + 1; printf ("\nEnter journal size (including 1 block for journal header) on " "%s in blocks [%Lu]: \n", journal_dev_name, (unsigned long long)default_value); getline(&answer, &n, stdin); if (strcmp(answer, "\n")) { retval = (int)strtol(answer, &tmp, 0); if ((*tmp && strcmp(tmp, "\n")) || retval < 0) reiserfs_exit(EXIT_USER, "rebuild_sb: wrong offset specified\n"); set_jp_journal_size(sb_jp(sb), retval - 1); } else { set_jp_journal_size(sb_jp(sb), default_value - 1); } /* some checks for journal size */ if (get_jp_journal_size(sb_jp(sb)) + get_jp_journal_1st_block(sb_jp(sb)) + 1 > p_jp_dev_size) reiserfs_exit(EXIT_USER, "rebuild_sb: journal offset + journal size is " "greater than device size\n"); /* some checks for journal size */ if (get_jp_journal_size(sb_jp(sb)) < JOURNAL_MIN_SIZE) reiserfs_exit(EXIT_USER, "rebuild_sb: journal size cannot be less than " "%lu blocks.\n", JOURNAL_MIN_SIZE + 1); if ((retval = reiserfs_open_journal(fs, journal_dev_name, O_RDWR | O_LARGEFILE))) { fsck_log ("\nrebuild-sb: Failed to open a journal device (%s).", journal_dev_name); exit(retval < 0 ? EXIT_OPER : EXIT_USER); } /* SB was found, but journal params were broken and have been recovered. * Futher work goes as SB would not be found. */ magic_was_found = 0; } if (strcmp(fs->fs_file_name, journal_dev_name)) set_jp_journal_dev(sb_jp(sb), stat_buf.st_rdev); else set_jp_journal_dev(sb_jp(sb), 0); } else { fsck_log ("\nJournal was specified as not available. reiserfstune is " "needed.\n\n"); set_jp_journal_magic(sb_jp(sb), NEED_TUNE); } if (reiserfs_journal_opened(fs)) { /* Journal was openned. Check/fix journal parameters and copy it the journal * header. */ if (get_jp_journal_max_trans_len(sb_jp(sb)) != advise_journal_max_trans_len(get_jp_journal_max_trans_len (sb_jp(sb)), get_jp_journal_size(sb_jp(sb)), fs->fs_blocksize, 0)) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal max " "transaction length occured (%lu), fixed (%d)\n", get_jp_journal_max_trans_len(sb_jp (sb)), advise_journal_max_trans_len (get_jp_journal_max_trans_len (sb_jp(sb)), get_jp_journal_size(sb_jp(sb)), fs->fs_blocksize, 0)); set_jp_journal_max_trans_len(sb_jp(sb), advise_journal_max_trans_len (get_jp_journal_max_trans_len (sb_jp(sb)), get_jp_journal_size(sb_jp (sb)), fs->fs_blocksize, 0)); } if (get_jp_journal_max_batch(sb_jp(sb)) != advise_journal_max_batch(get_jp_journal_max_trans_len (sb_jp(sb)))) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal max " "batch size occured (%lu), fixed (%d)\n", get_jp_journal_max_batch(sb_jp (sb)), advise_journal_max_batch (get_jp_journal_max_trans_len (sb_jp(sb)))); set_jp_journal_max_batch(sb_jp(sb), advise_journal_max_batch (get_jp_journal_max_trans_len (sb_jp(sb)))); } if (get_jp_journal_max_commit_age(sb_jp(sb)) != advise_journal_max_commit_age()) { fsck_conditional_log(magic_was_found, "rebuild-sb: wrong journal " "max commit age occured (%lu), fixed (%d)\n", get_jp_journal_max_commit_age(sb_jp (sb)), advise_journal_max_commit_age()); set_jp_journal_max_commit_age(sb_jp(sb), advise_journal_max_commit_age ()); } if (get_jp_journal_max_trans_age(sb_jp(sb)) != advise_journal_max_trans_age()) { fsck_log ("rebuild-sb: wrong journal max commit age occured (%u), " "fixed (%u)\n", get_jp_journal_max_trans_age(sb_jp(sb)), advise_journal_max_trans_age()); set_jp_journal_max_trans_age(sb_jp(sb), advise_journal_max_trans_age ()); } j_head = (struct reiserfs_journal_header *)(fs->fs_jh_bh->b_data); if (standard_journal == 0) { if (get_jp_journal_magic(sb_jp(sb)) == 0 || get_jp_journal_magic(sb_jp(sb)) == NEED_TUNE) { int magic; magic = random(); fsck_log ("rebuild-sb: genarate the new journal magic (%d)\n", magic); set_jp_journal_magic(sb_jp(sb), magic); set_jp_journal_magic(&j_head->jh_journal, magic); } } retval = memcmp(&j_head->jh_journal, sb_jp(sb), sizeof(struct journal_params)); if (retval) { if (standard_journal == 1) { fsck_log ("\nrebuild-sb: You either have a corrupted journal or have just " "changed\nthe start of the partition with some partition table editor. " "If you are\nsure that the start of the partition is ok, rebuild the " "journal header.\n"); } else if (!magic_was_found) { fsck_log ("\nrebuild-sb: journal header is not found. You either have " "a corrupted,\nbad configured(device/offset/size), not available " "journal or have just changed\nthe start of the journal partition " "with some partition table editor. In the \ncase of corrupted " "journal you need to use --no-journal-available. If you are\n" "sure that the start of the partition is ok and journal is " "available, rebuild\nthe journal header.\n"); } if (standard_journal || !magic_was_found) { if (!user_confirmed (stdout, "Do you want to rebuild the journal header? " "(y/n)[n]: ", "y\n")) { exit(EXIT_USER); } else exit_code = EXIT_FIXED; } memcpy(&j_head->jh_journal, sb_jp(sb), sizeof(struct journal_params)); mark_buffer_dirty(fs->fs_jh_bh); bwrite(fs->fs_jh_bh); } } /* whether journal header contains params with the same dev, offset, size will be checked in open_journal */ if (version == 1 || version == 3) sb_size = SB_SIZE; else sb_size = SB_SIZE_V1; if (ondisk_sb == NULL || memcmp(ondisk_sb, sb, sb_size - ((sb_size == SB_SIZE) ? sizeof(fs->fs_ondisk_sb-> s_unused) : 0))) { /* smth was changed in SB or a new one has been built */ set_sb_fs_state(sb, get_sb_fs_state(sb) | FS_ERROR); if (ondisk_sb) { /* if super_block was found, we keep sb in ondisk_sb */ fs->fs_ondisk_sb = ondisk_sb; memcpy(ondisk_sb, sb, sb_size); freemem(sb); } fflush(stdout); print_block(stderr, fs, fs->fs_super_bh); if (user_confirmed(stderr, "Is this ok ? (y/n)[n]: ", "y\n")) { mark_buffer_uptodate(fs->fs_super_bh, 1); mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); fsck_progress ("The fs may still be unconsistent. Run reiserfsck --check.\n\n"); exit_code = EXIT_FIXED; } else { mark_buffer_clean(fs->fs_super_bh); fsck_progress("Super block was not written\n"); } } else { print_block(stderr, fs, fs->fs_super_bh); mark_buffer_clean(fs->fs_super_bh); fsck_progress("\nSuper block seems to be correct\n\n"); } exit(exit_code); } /* if (version == 0) { brelse (fs->fs_super_bh); freemem (fs); close (fs->fs_dev); fs = NULL; } */ reiserfsprogs-3.6.25/fsck/fsck.h0000644000175000001440000004120012310423334013436 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #ifndef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include #include #include #include #include "../version.h" /* main.c */ extern reiserfs_filsys_t fs; int main(int argc, char *argv[]); /* Exit codes. */ #define EXIT_OK 0 #define EXIT_FIXED 1 #define EXIT_REBOOT 2 #define EXIT_FATAL 4 #define EXIT_FIXABLE 6 #define EXIT_OPER 8 /* Some operation returns error. */ #define EXIT_USER 16 /* * modes */ #define DO_NOTHING 0 #define FSCK_CHECK 1 #define FSCK_FIX_FIXABLE 2 #define FSCK_SB 3 #define FSCK_REBUILD 4 #define FSCK_ROLLBACK_CHANGES 5 #define FSCK_CLEAN_ATTRIBUTES 7 #define FSCK_AUTO 8 /* -a || -p specified */ /* temporary */ #define DO_TEST 9 /* * options */ #define OPT_INTERACTIVE 1 << 0 #define OPT_ADJUST_FILE_SIZE 1 << 1 /* not default yet */ #define OPT_QUIET 1 << 2 /* no "speed" info */ #define OPT_SILENT 1 << 3 /* no complains about found corruptions */ #define OPT_BACKGROUND 1 << 4 #define OPT_SKIP_JOURNAL 1 << 5 #define OPT_HASH_DEFINED 1 << 6 #define OPT_SAVE_PASSES_DUMP 1 << 7 #define OPT_SAVE_ROLLBACK 1 << 8 #define OPT_YES 1 << 9 #define BADBLOCKS_FILE 1 << 10 #define OPT_FORCE 1 << 11 /* pass0.c */ extern reiserfs_bitmap_t *leaves_bitmap; void pass_0(reiserfs_filsys_t ); void load_pass_0_result(FILE *, reiserfs_filsys_t ); int leaf_structure_check(reiserfs_filsys_t fs, struct buffer_head *bh); int is_used_leaf(unsigned long block); int is_good_unformatted(unsigned long block); void mark_good_unformatted(unsigned long block); int is_bad_unformatted(unsigned long block); int are_there_allocable_blocks(unsigned int amout_needed); unsigned long alloc_block(void); void make_allocable(unsigned long block); void register_uninsertable(unsigned long block); void register_saved_item(void); int still_bad_unfm_ptr_1(unsigned long block); int still_bad_unfm_ptr_2(unsigned long block); void make_alloc_bitmap(reiserfs_filsys_t ); void delete_aux_bitmaps(); void set_aux_bitmaps(reiserfs_bitmap_t *leaves, reiserfs_bitmap_t *good, reiserfs_bitmap_t *bad); #define __is_marked(name,block) reiserfs_bitmap_test_bit (name##_bitmap, block) #define __mark(name,block) reiserfs_bitmap_set_bit (name##_bitmap, block) #define __unmark(name,block) reiserfs_bitmap_clear_bit (name##_bitmap, block) /* unformatted in tree */ extern reiserfs_bitmap_t *bad_unfm_in_tree_once_bitmap; #define is_bad_unfm_in_tree_once(block) __is_marked (bad_unfm_in_tree_once, block) #define mark_bad_unfm_in_tree_once(block) __mark (bad_unfm_in_tree_once, block) /* pass1.c */ void pass_1(reiserfs_filsys_t ); void load_pass_1_result(FILE *, reiserfs_filsys_t ); struct buffer_head *make_buffer(int dev, unsigned long blocknr, int size, char *data); void build_the_tree(void); extern int g_unaccessed_items; int is_item_reachable(struct item_head *ih); void mark_item_reachable(struct item_head *ih, struct buffer_head *bh); void mark_item_unreachable(struct item_head *ih); struct si *remove_saved_item(struct si *si); int tree_is_empty(void); void make_single_leaf_tree(struct buffer_head *bh); /* pass2.c */ void pass_2(reiserfs_filsys_t ); void load_pass_2_result(reiserfs_filsys_t ); void insert_item_separately(struct item_head *ih, char *item, int was_in_tree); void save_item(struct si **head, struct item_head *ih, char *item, __u32 blocknr); struct si *save_and_delete_file_item(struct si *si, struct reiserfs_path *path); void take_bad_blocks_put_into_tree(void); void rewrite_object(struct item_head *ih, int do_remap); void pass_2_take_bad_blocks_put_into_tree(void); /*int is_remapped (struct item_head * ih);*/ void link_relocated_files(void); int should_relocate(struct item_head *ih); void relocate_dir(struct item_head *ih, int change_ih); extern __u32 objectid_for_relocation(const struct reiserfs_key *key); extern void linked_already(const struct reiserfs_key *new_key); /* file.c */ struct si { struct item_head si_ih; char *si_dnm_data; struct si *si_next; __u32 si_blocknr; // changed by XB; struct si *last_known; }; void put_saved_items_into_tree(struct si *); int reiserfsck_file_write(struct item_head *ih, char *item, int was_in_tree); int are_file_items_correct(struct item_head *sd_ih, void *sd, __u64 * size, __u32 * blocks, int mark_passed_items, int *symlink); int delete_N_items_after_key(struct reiserfs_key *start_key, struct si **save_here, int skip_dir_items, int n_to_delete); void rewrite_file(struct item_head *ih, int should_relocate, int should_change_ih); /* semantic.c */ /* return values for check_regular_file and check_semantic_tree */ #define OK 0 #define STAT_DATA_NOT_FOUND -1 #define DIRECTORY_HAS_NO_ITEMS -2 #define RELOCATED -3 #define LOOP_FOUND -4 void load_semantic_result(FILE *, reiserfs_filsys_t ); void pass_3_semantic(reiserfs_filsys_t ); void semantic_check(void); int check_semantic_tree(struct reiserfs_key *key, struct reiserfs_key *parent, int is_dot_dot, int lost_found, struct item_head *new_ih); void zero_nlink(struct item_head *ih, void *sd); int not_a_directory(void *sd); int not_a_regfile(void *sd); int fix_obviously_wrong_sd_mode(struct reiserfs_path *path); int is_dot_dot(char *name, int namelen); int is_dot(char *name, int namelen); /*void create_dir_sd (reiserfs_filsys_t fs, struct reiserfs_path *path, struct reiserfs_key *key);*/ int rebuild_check_regular_file(struct reiserfs_path *path, void *sd, struct item_head *new_ih); int rebuild_semantic_pass(struct reiserfs_key *key, const struct reiserfs_key *parent, int is_dot_dot, struct item_head *new_ih); /* lost+found.c */ void pass_3a_look_for_lost(reiserfs_filsys_t ); void load_lost_found_result(reiserfs_filsys_t ); /* pass4.c */ void pass_4_check_unaccessed_items(void); /* check.c */ int is_leaf_bad(struct buffer_head *bh); int is_bad_item(struct buffer_head *bh, struct item_head *, char *); /*int check_file_system (void);*/ void reiserfsck_check_pass1(void); /*char * bad_name (char * name, int namelen);*/ /* to test result of direcotry item recovering on pass 0 */ int is_bad_directory(struct item_head *ih, char *item, int dev, int blocksize); //extern int bad_block_number (struct super_block * s, blocknr_t block); /* check_tree.c */ void check_fs_tree(reiserfs_filsys_t ); void do_clean_attributes(reiserfs_filsys_t fs); int bad_pair(reiserfs_filsys_t , struct buffer_head *bh, int i); int bad_leaf_2(reiserfs_filsys_t , struct buffer_head *bh); #if 0 extern int should_be_relocated(struct reiserfs_key *key); extern void to_be_relocated(struct reiserfs_key *key); extern void clear_relocated_list(void); #endif /* ustree.c */ void reiserfsck_paste_into_item(struct reiserfs_path *path, const char *body, int size); void reiserfsck_insert_item(struct reiserfs_path *path, struct item_head *ih, const char *body); void reiserfsck_delete_item(struct reiserfs_path *path, int temporary); void reiserfsck_cut_from_item(struct reiserfs_path *path, int cut_size); /*typedef int (comp3_function_t)(void * key1, void * key2, int version);*/ /*typedef int (comp_function_t)(struct reiserfs_key *key1, struct reiserfs_key *key2);*/ /*int ubin_search_id(__u32 * id, __u32 * base, __u32 number, __u32 * pos);*/ /*int usearch_by_key (struct super_block * s, struct reiserfs_key *key, struct reiserfs_path *path);*/ /*int usearch_by_key_3 (struct super_block * s, struct reiserfs_key *key, struct reiserfs_path *path, int * repeat, int stop_level, comp3_function_t comp_func, int version); int usearch_by_entry_key (struct super_block * s, struct reiserfs_key *key, struct reiserfs_path *path);*/ typedef int do_after_read_t(reiserfs_filsys_t , struct buffer_head **, int h); typedef int do_on_full_path_t(reiserfs_filsys_t , struct buffer_head **, int); void pass_through_tree(reiserfs_filsys_t , do_after_read_t, do_on_full_path_t, int depth); /* bitmap.c */ int reiserfsck_reiserfs_new_blocknrs(reiserfs_filsys_t fs, unsigned long *pblocknrs, unsigned long start_from, int amount_needed); int reiserfsck_reiserfs_free_block(reiserfs_filsys_t fs, unsigned long block); struct buffer_head *reiserfsck_get_new_buffer(unsigned long start); int is_block_used(unsigned long block); void mark_block_used(unsigned long block, int check_hardware); void mark_block_uninsertable(unsigned long block); int is_block_uninsertable(unsigned long block); typedef struct id_map { void **index; __u32 count, last_used; } id_map_t; id_map_t *id_map_init(); void id_map_free(id_map_t *); int id_map_test(id_map_t *map, __u32 id); int id_map_mark(id_map_t *map, __u32 id); __u32 id_map_alloc(id_map_t *map); void id_map_flush(struct id_map *map, reiserfs_filsys_t fs); /* FIXME: Needs to be implemented void fetch_objectid_map (struct id_map * map, reiserfs_filsys_t fs); void reiserfs_objectid_map_save (FILE * fp, struct id_map * id_map); struct id_map * reiserfs_objectid_map_load (FILE * fp); */ void mark_formatted_pointed_by_indirect(__u32); int is_formatted_pointed_by_indirect(__u32); #define MAP_NOT_PACKED 0 #define MAP_PACKED 1 struct pass0_stat { unsigned long dealt_with; /* number of blocks read during pass 0 */ unsigned long leaves; /* blocks looking like reiserfs leaves found */ unsigned long leaves_corrected; unsigned long all_contents_removed; unsigned long too_old_leaves; /* these are leaves which contains direntries with different hash from the one specified with -h */ unsigned long wrong_pointers; /* pointers in indirect items pointing to wrong area */ unsigned long pointed; /* pointers blocks of device pointed by all indirect items */ }; struct pass1_stat { unsigned long leaves; /* leaves found in pass0 to build tree off */ unsigned long inserted_leaves; /* number of leaves inserted by pointers */ unsigned long pointed_leaves; /* pointers in indirect items which pointed to leaves (zeroed) */ unsigned long uninsertable_leaves; unsigned long non_unique_pointers; /* pointers to already pointed unformatted nodes */ unsigned long correct_pointers; unsigned long saved_items; /* items saved on pass1: should be 0 */ unsigned long allocable_blocks; /* allocable blocks before pass 1 starts */ }; struct pass2_stat { unsigned long leaves; /* leaves inserted item by item */ unsigned long safe_non_unique_pointers; /* these are just the same pointers */ unsigned long relocated; unsigned long shared_objectids; unsigned long rewritten; }; struct semantic_stat { unsigned long oid_sharing_files_relocated; unsigned long regular_files; unsigned long directories; unsigned long symlinks; unsigned long broken_files; unsigned long others; unsigned long fixed_sizes; unsigned long oid_sharing; unsigned long oid_sharing_dirs_relocated; unsigned long deleted_entries; }; struct lost_found_stat { unsigned long dir_recovered; unsigned long empty_lost_dirs; unsigned long lost_found; unsigned long lost_found_files; unsigned long lost_found_dirs; unsigned long oid_sharing; unsigned long oid_sharing_dirs_relocated; unsigned long oid_sharing_files_relocated; }; struct pass_4_stat { unsigned long deleted_items; }; struct rebuild_info { union { struct pass0_stat pass0; struct pass1_stat pass1; struct pass2_stat pass2; struct { struct semantic_stat semantic; struct lost_found_stat lost_found; } tree; struct pass_4_stat pass4; } pass_u; /* bitmaps */ reiserfs_bitmap_t *source_bitmap; reiserfs_bitmap_t *new_bitmap; reiserfs_bitmap_t *allocable_bitmap; reiserfs_bitmap_t *uninsertables; char *bitmap_file_name; /*char * new_bitmap_file_name; */ char *passes_dump_file_name; /* after pass 0, 1 or 2 reiserfsck can store data with which it will be able to start from the point it stopped last time at */ unsigned short mode; unsigned long options; /* rollback file */ char *rollback_file; /* hash hits stat */ int hash_amount; unsigned long *hash_hits; char *defined_hash; #define USED_BLOCKS 1 #define EXTERN_BITMAP 2 #define ALL_BLOCKS 3 int scan_area; int use_journal_area; int test; }; struct check_info { unsigned long bad_nodes; unsigned long fatal_corruptions; unsigned long fixable_corruptions; // unsigned long badblocks_corruptions; unsigned long leaves; unsigned long internals; unsigned long dirs; unsigned long files; unsigned long safe; unsigned long unfm_pointers; unsigned long zero_unfm_pointers; reiserfs_bitmap_t *deallocate_bitmap; }; struct fsck_data { unsigned short mode; /* check, rebuild, etc */ unsigned long options; unsigned long mounted; struct rebuild_info rebuild; struct check_info check; char *journal_dev_name; /* log file name and handle */ char *log_file_name; FILE *log; /* this is a file where reiserfsck will explain what it is doing. This is usually stderr. But when -g is specified - reiserfsck runs in the background and append progress information into 'fsck.run' */ FILE *progress; /* objectid maps */ id_map_t *proper_id_map; id_map_t *semantic_id_map; /* this objectid map is used to cure objectid sharing problem */ }; #define fsck_data(fs) ((struct fsck_data *)((fs)->fs_vp)) #define pass_0_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.pass0)) #define pass_1_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.pass1)) #define pass_2_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.pass2)) #define sem_pass_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.tree.semantic)) #define lost_found_pass_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.tree.lost_found)) #define pass_4_stat(fs) (&(fsck_data(fs)->rebuild.pass_u.pass4)) #define fsck_check_stat(fs) (&(fsck_data(fs)->check)) #define proper_id_map(s) fsck_data(s)->proper_id_map #define semantic_id_map(s) fsck_data(s)->semantic_id_map #define fsck_source_bitmap(fs) fsck_data(fs)->rebuild.source_bitmap #define fsck_new_bitmap(fs) fsck_data(fs)->rebuild.new_bitmap #define fsck_allocable_bitmap(fs) fsck_data(fs)->rebuild.allocable_bitmap #define fsck_uninsertables(fs) fsck_data(fs)->rebuild.uninsertables #define fsck_deallocate_bitmap(fs) fsck_data(fs)->check.deallocate_bitmap #define fsck_interactive(fs) (fsck_data(fs)->options & OPT_INTERACTIVE) //#define fsck_fix_fixable(fs) (fsck_data(fs)->options & OPT_FIX_FIXABLE) #define fsck_run_one_step(fs) (fsck_data(fs)->options & OPT_SAVE_PASSES_DUMP) #define fsck_save_rollback(fs) (fsck_data(fs)->options & OPT_SAVE_ROLLBACK) /* change unknown modes (corrupted) to mode of regular files, fix file sizes which are bigger than a real file size, relocate files with shared objectids (this slows fsck down (when there are too many files sharing the same objectid), it will also remove other names pointing to this file */ #define fsck_adjust_file_size(fs) (fsck_data(fs)->options & OPT_ADJUST_FILE_SIZE) #define fsck_quiet(fs) (fsck_data(fs)->options & OPT_QUIET) #define fsck_silent(fs) (fsck_data(fs)->options & OPT_SILENT) #define fsck_in_background(fs) (fsck_data(fs)->options & OPT_BACKGROUND) #define fsck_hash_defined(fs) (fsck_data(fs)->options & OPT_HASH_DEFINED) #define fsck_skip_journal(fs) (fsck_data(fs)->options & OPT_SKIP_JOURNAL) #define fsck_yes_all(fs) (fsck_data(fs)->options & OPT_YES) #define fsck_mode(fs) (fsck_data(fs)->mode) #define fsck_log_file(fs) (fsck_data(fs)->log) #define fsck_progress_file(fs) ((fs && fsck_data(fs)->progress) ? fsck_data(fs)->progress : stderr) /* name of file where we store information for continuing */ #define state_dump_file(fs) fsck_data(fs)->rebuild.passes_dump_file_name /* name of file where we store rollback data */ #define state_rollback_file(fs) fsck_data(fs)->rebuild.rollback_file int fsck_user_confirmed(reiserfs_filsys_t fs, char *q, char *a, int default_answer); void stage_report(int, reiserfs_filsys_t ); /*pass1: rebuild super block*/ void rebuild_sb(reiserfs_filsys_t fs, char *filename, struct fsck_data *data); #define fsck_log(fmt, list...) \ {\ if (!fsck_silent (fs))\ reiserfs_warning (fsck_log_file (fs), fmt, ## list);\ } #define fsck_progress(fmt, list...) \ {\ reiserfs_warning (fsck_progress_file(fs), fmt, ## list);\ fflush (fsck_progress_file(fs));\ } #define FATAL 1 #define FIXABLE 2 void one_more_corruption(reiserfs_filsys_t fs, int kind); void one_less_corruption(reiserfs_filsys_t fs, int kind); /* #define one_more_corruption(fs,kind) fsck_check_stat (fs)->kind##_corruptions++ #define one_less_corruption(fs,kind) fsck_check_stat (fs)->kind##_corruptions-- */ #define fsck_exit(fmt, list...) \ {\ reiserfs_warning (fsck_progress_file(fs), fmt, ## list);\ exit (EXIT_USER);\ } reiserfsprogs-3.6.25/fsck/reiserfsck.80000644000175000001440000002144612725336324014616 00000000000000.\" -*- nroff -*- .\" Copyright 1996-2004 Hans Reiser. .\" .TH REISERFSCK 8 "January 2009" "Reiserfsprogs-3.6.25" .SH NAME reiserfsck \- The checking tool for the ReiserFS filesystem. .SH SYNOPSIS .B reiserfsck [ \fB-aprVy\fR ] [ \fB--rebuild-sb\fR | \fB--check\fR | \fB--fix-fixable\fR | \fB--rebuild-tree\fR | \fB--clean-attributes\fR ] .\" [ \fB-i\fR | \fB--interactive\fR ] [ \fB-j\fR | \fB--journal\fR \fIdevice\fR ] [ \fB-z\fR | \fB--adjust-size\fR ] [ \fB-n\fR | \fB--nolog\fR ] [ \fB-B\fR | \fB--badblocks \fIfile\fR ] [ \fB-l\fR | \fB--logfile \fIfile\fR ] [ \fB-q\fR | \fB--quiet\fR ] [ \fB-y\fR | \fB--yes\fR ] [ \fB-f\fR | \fB--force\fR ] .\" [ \fB-b\fR | \fB--scan-marked-in-bitmap \fIbitmap-filename\fR ] .\" [ \fB-h\fR | \fB--hash \fIhash-name\fR ] .\" [ \fB-g\fR | \fB--background\fR ] [ \fB-S\fR | \fB--scan-whole-partition\fR ] [ \fB--no-journal-available\fR ] .I device .SH DESCRIPTION \fBReiserfsck\fR searches for a Reiserfs filesystem on a device, replays any necessary transactions, and either checks or repairs the file system. .TP .I device is the special file corresponding to a device or to a partition (e.g /dev/hdXX for an IDE disk partition or /dev/sdXX for a SCSI disk partition). .SH OPTIONS .TP .B --rebuild-sb This option recovers the superblock on a Reiserfs partition. Normally you only need this option if mount reports "read_super_block: can't find a reiserfs file system" and you are sure that a Reiserfs file system is there. But remember that if you have used some partition editor program and now you cannot find a filesystem, probably something has gone wrong while repartitioning and the start of the partition has been changed. If so, instead of rebuilding the super block on a wrong place you should find the correct start of the partition first. .TP .B --check This default action checks filesystem consistency and reports, but does not repair any corruption that it finds. This option may be used on a read-only file system mount. .TP .B --fix-fixable This option recovers certain kinds of corruption that do not require rebuilding the entire file system tree (\fB--rebuild-tree\fR). Normally you only need this option if the \fB--check\fR option reports "corruption that can be fixed with \fB--fix-fixable\fR". This includes: zeroing invalid data-block pointers, correcting st_size and st_blocks for directories, and deleting invalid directory entries. .TP .B --rebuild-tree This option rebuilds the entire filesystem tree using leaf nodes found on the device. Normally you only need this option if the \fBreiserfsck \-\-check\fR reports "Running with \fB\-\-rebuild-tree\fR is required". You are strongly encouraged to make a backup copy of the whole partition before attempting the \fB--rebuild-tree\fR option. Once \fBreiserfsck \-\-rebuild-tree\fR is started it must finish its work (and you should not interrupt it), otherwise the filesystem will be left in the unmountable state to avoid subsequent data corruptions. .TP .B --clean-attributes This option cleans reserved fields of Stat-Data items. There were days when there were no extended attributes in reiserfs. When they were implemented old partitions needed to be cleaned first -- reiserfs code in the kernel did not care about not used fields in its strutures. Thus if you have used one of the old (pre-attrbutes) kernels with a ReiserFS filesystem and you want to use extented attribues there, you should clean the filesystem first. .TP .B \fB--journal \fIdevice \fR, \fB-j \fIdevice \fR This option supplies the device name of the current file system journal. This option is required when the journal resides on a separate device from the main data device (although it can be avoided with the expert option \fB--no-journal-available\fR). .TP .\" .B --interactive, -i .\" This makes \fBreiserfsck\fR to stop after each pass completed. .\" .TP .B --adjust-size, -z This option causes \fBreiserfsck\fR to correct file sizes that are larger than the offset of the last discovered byte. This implies that holes at the end of a file will be removed. File sizes that are smaller than the offset of the last discovered byte are corrected by \fB--fix-fixable\fR. .TP \fB--badblocks \fIfile\fR, \fB-B \fI file\fR This option sets the badblock list to be the list of blocks specified in the given `file`. The filesystem badblock list is cleared before the new list is added. It can be used with \fB--fix-fixable\fR to fix the list of badblocks (see \fBdebugreiserfs \-B\fR). If the device has bad blocks, every time it must be given with the \fB--rebuild-tree\fR option. .TP \fB--logfile \fIfile\fR, \fB-l \fI file\fR This option causes \fBreiserfsck\fR to report any corruption it finds to the specified log file rather than to stderr. .TP .B --nolog, -n This option prevents \fBreiserfsck\fR from reporting any kinds of corruption. .TP .B --quiet, -q This option prevents \fBreiserfsck\fR from reporting its rate of progress. .TP .B --yes, -y This option inhibits \fBreiserfsck\fR from asking you for confirmation after telling you what it is going to do. It will assuem you confirm. For safety, it does not work with the \fB--rebuild-tree\fR option. .TP \fB-a\fR, \fB-p\fR These options are usually passed by fsck \-A during the automatic checking of those partitions listed in /etc/fstab. These options cause \fBreiserfsck\fR to print some information about the specified filesystem, to check if error flags in the superblock are set and to do some light-weight checks. If these checks reveal a corruption or the flag indicating a (possibly fixable) corruption is found set in the superblock, then \fBreiserfsck\fR switches to the fix-fixable mode. If the flag indicating a fatal corruption is found set in the superblock, then \fBreiserfsck\fR finishes with an error. .TP .B --force, -f Force checking even if the file system seems clean. .TP .B -V This option prints the reiserfsprogs version and then exit. .TP .B -r This option does nothing at all; it is provided only for backwards compatibility. .SH EXPERT OPTIONS DO NOT USE THESE OPTIONS UNLESS YOU KNOW WHAT YOU ARE DOING. WE ARE NOT RESPONSIBLE IF YOU LOSE DATA AS A RESULT OF THESE OPTIONS. .TP .B \fB\--no-journal-available\fR This option allows \fBreiserfsck\fR to proceed when the journal device is not available. This option has no effect when the journal is located on the main data device. NOTE: after this operation you must use \fBreiserfstune\fR to specify a new journal device. .TP .B --scan-whole-partition, -S This option causes \fB--rebuild-tree\fR to scan the whole partition but not only the used space on the partition. .SH AN EXAMPLE OF USING reiserfsck 1. You think something may be wrong with a reiserfs partition on /dev/hda1 or you would just like to perform a periodic disk check. 2. Run \fBreiserfsck \-\-check \-\-logfile check.log /dev/hda1\fR. If \fBreiserfsck \-\-check\fR exits with status 0 it means no errors were discovered. 3. If \fBreiserfsck \-\-check\fR exits with status 1 (and reports about fixable corruptions) it means that you should run \fBreiserfsck \-\-fix-fixable \-\-logfile fixable.log /dev/hda1\fR. 4. If \fBreiserfsck \-\-check\fR exits with status 2 (and reports about fatal corruptions) it means that you need to run \fBreiserfsck \-\-rebuild\-tree\fR. If \fBreiserfsck \-\-check\fR fails in some way you should also run \fBreiserfsck \-\-rebuild-tree\fR, but we also encourage you to submit this as a bug report. 5. Before running \fBreiserfsck \-\-rebuild-tree\fR, please make a backup of the whole partition before proceeding. Then run \fBreiserfsck \-\-rebuild-tree \-\-logfile rebuild.log /dev/hda1\fR. 6. If the \fBreiserfsck \-\-rebuild-tree\fR step fails or does not recover what you expected, please submit this as a bug report. Try to provide as much information as possible including your platform and Linux kernel version. We will try to help solve the problem. .SH EXIT CODES \fBreiserfsck\fR uses the following exit codes: .br \ \fI0\fR \-\ No errors. .br \ \fI1\fR \-\ File system errors corrected. .br \ \fI2\fR \-\ Reboot is needed. .br \ \fI4\fR \-\ File system fatal errors left uncorrected, .br \ \fBreiserfsck \-\-rebuild-tree\fR needs to be launched. .br \ \fI6\fR \-\ File system fixable errors left uncorrected, .br \ \fBreiserfsck \-\-fix-fixable\fR needs to be launched. .br \ \fI8\fR \-\ Operational error. .br \ \fI16\fR \-\ Usage or syntax error. .br .SH AUTHOR This version of \fBreiserfsck\fR has been written by Vitaly Fertman . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages, the logfile; check the syslog file for any related information. .SH TODO Faster recovering, signal handling. .SH SEE ALSO .BR mkreiserfs (8), .BR reiserfstune (8) .BR resize_reiserfs (8), .BR debugreiserfs (8), reiserfsprogs-3.6.25/debugreiserfs/0000755000175000001440000000000012725336325014342 500000000000000reiserfsprogs-3.6.25/debugreiserfs/Makefile.am0000644000175000001440000000067612270511632016316 00000000000000sbin_PROGRAMS = debugreiserfs debugreiserfs_SOURCES = debugreiserfs.c pack.c unpack.c stat.c corruption.c scan.c recover.c debugreiserfs.h man_MANS = debugreiserfs.8 EXTRA_DIST = $(man_MANS) LDADD = $(top_builddir)/reiserfscore/libreiserfscore.la install-exec-hook: $(LN_S) debugreiserfs $(DESTDIR)$(sbindir)/debugfs.reiserfs $(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man8 $(LN_S) debugreiserfs.8 $(DESTDIR)$(mandir)/man8/debugfs.reiserfs.8 reiserfsprogs-3.6.25/debugreiserfs/Makefile.in0000644000175000001440000005607412725336310016335 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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When run without options it prints the super block of the ReiserFS filesystem found on the \fIdevice\fR. .TP .I device is the special file corresponding to the device (e.g /dev/hdXX for an IDE disk partition or /dev/sdXX for a SCSI disk partition). .SH OPTIONS .TP \fB-j\fR \fIdevice\fR prints the contents of the journal. The option \-p allows it to pack the journal with other metadata into the archive. .TP \fB-J\fR prints the journal header. .TP .B -d prints the formatted nodes of the internal tree of the filesystem. .TP .B -D prints the formatted nodes of all used blocks of the filesystem. .TP .B -m prints the contents of the bitmap (slightly useful). .TP .B -o prints the objectid map (slightly useful). .TP \fB-B\fR \fIfile\fR takes the list of bad blocks stored in the internal ReiserFS tree and translates it into an ascii list written to the specified file. .TP \fB-1\fR \fIblocknumber\fR prints the specified block of the filesystem. .TP .\" \fB-s .\" scans the partition and prints a line when any kind of reiserfs .\" formatted nodes found. Can be used to find specific key in the filesystem. .\" .TP .B -p extracts the filesystem's metadata with \fBdebugreiserfs\fR \-p /dev/xxx | gzip \-c > xxx.gz. None of your data are packed unless a filesystem corruption presents when the whole block having this corruption is packed. You send us the output, and we use it to create a filesystem with the same strucure as yours using \fBdebugreiserfs \-u\fR. When the data file is not too large, this usually allows us to quickly reproduce and debug the problem. .TP .B -u builds the ReiserFS filesystem image with gunzip \-c xxx.gz | \fBdebugreiserfs\fR \-u /dev/image of the previously packed metadata with \fBdebugreiserfs \-p\fR. The result image is not the same as the original filesystem, because mostly only metadata were packed with \fBdebugreiserfs \-p\fR, but the filesystem structure is completely recreated. .TP .B -S When \-S is not specified \-p .\" and -s deals with blocks marked used in the filesystem bitmap only. With this option set \fBdebugreiserfs\fR will work with the entire device. .TP .B -q When .\" -s or \-p is in use, suppress showing the speed of progress. .SH AUTHOR This version of \fBdebugreiserfs\fR has been written by Vitaly Fertman . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR mkreiserfs (8) reiserfsprogs-3.6.25/debugreiserfs/debugreiserfs.c0000644000175000001440000004415512725332456017271 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #include reiserfs_filsys_t fs; #define print_usage_and_exit() {\ fprintf (stderr, "Usage: %s [options] device\n\n\ Options:\n\ -d\t\tprint blocks details of the internal tree\n\ -D\t\tprint blocks details of all used blocks\n\ -B file\textract list of badblocks\n\ -m\t\tprint bitmap blocks\n\ -o\t\tprint objectid map\n\n\ -J\t\tprint journal header\n\ -j filename\n\t\tprint journal located on the device 'filename'\n\ \t\tstores the journal in the specified file 'filename.\n\ -p\t\tsend filesystem metadata to stdout\n\ -u\t\tread stdin and unpack the metadata\n\ -S\t\thandle all blocks, not only used\n\ -1 block\tblock to print\n\ -q\t\tno speed info\n\ -V\t\tprint version and exit\n\n", argv[0]);\ exit (16);\ } /* Undocumented options: -a map_file\n\tstore to the file the map of file. Is used with -n, -N, -r, -f\n -f \tprints the file map specified by -a.\n -n name\n\stcan device for specific name in reiserfs directories\n\ -N \tscan tree for specific key in reiserfs directories\n\ -k \tscan device either for specific key or for any metadata\n\ -r name\n\trecovers the file spacified by -a to the 'name' file.\n\ -S\t\tgo through whole device when running -p, -k or -n\n\ -U\t\tgo through unused blocks only when running -p, -k or -n\n\ -D\t\tprint blocks details scanning the device, not the tree as -d does\n\ -b bitmap_file\n\t\trunning -p, -k or -n read blocks marked in this bitmap only\n\ -C\tallow to change reiserfs metadata\n\ -J\tsearch block numbers in the journal\n\ -t\tstat the device\n\ -v\tverboes unpack, prints the block number of every block being unpacked\n\ -Z\tzero all data. To build a map of a file blocks by name: debugreiserfs device -a mapfile -n filename To build a map of a file blocks by key: debugreiserfs device -a mapfile -k To extract some: debugreiserfs device -a mapfile -r filename > backup */ #if 1 struct reiserfs_fsstat { unsigned int nr_internals; unsigned int nr_leaves; unsigned int nr_files; unsigned int nr_directories; unsigned int nr_unformatted; } g_stat_info; #endif static void print_disk_tree(reiserfs_filsys_t fs, unsigned long block_nr) { struct buffer_head *bh; int i, j, count; static int level = -1; if (level == -1) level = get_sb_tree_height(fs->fs_ondisk_sb); bh = bread(fs->fs_dev, block_nr, fs->fs_blocksize); if (!bh) { die("Could not read block %lu\n", block_nr); } level--; if (level < 1) die("level too small"); if (level != get_blkh_level(B_BLK_HEAD(bh))) { printf("%d expected, %d found in %lu\n", level, get_blkh_level(B_BLK_HEAD(bh)), bh->b_blocknr); } if (is_internal_node(bh)) { struct disk_child *dc; g_stat_info.nr_internals++; print_block(stdout, fs, bh, data(fs)->options & PRINT_TREE_DETAILS, -1, -1); dc = B_N_CHILD(bh, 0); count = B_NR_ITEMS(bh); for (i = 0; i <= count; i++, dc++) print_disk_tree(fs, get_dc_child_blocknr(dc)); } else if (is_leaf_node(bh)) { struct item_head *ih; g_stat_info.nr_leaves++; print_block(stdout, fs, bh, data(fs)->options & PRINT_TREE_DETAILS, -1, -1); ih = item_head(bh, 0); count = leaf_item_number_estimate(bh); for (i = 0; i < count; i++, ih++) { if (is_indirect_ih(ih)) { __le32 *ind_item = (__le32 *) ih_item_body(bh, ih); for (j = 0; j < (int)I_UNFM_NUM(ih); j++) { if (d32_get(ind_item, j)) { g_stat_info.nr_unformatted += 1; } } } } } else { print_block(stdout, fs, bh, data(fs)->options & PRINT_TREE_DETAILS, -1, -1); reiserfs_warning(stdout, "print_disk_tree: bad block " "type (%b)\n", bh); } brelse(bh); level++; } static void print_disk_blocks(reiserfs_filsys_t fs) { int type; unsigned long done = 0, total; struct buffer_head *bh; unsigned int j; total = reiserfs_bitmap_ones(input_bitmap(fs)); for (j = 0; j < get_sb_block_count(fs->fs_ondisk_sb); j++) { if (!reiserfs_bitmap_test_bit(input_bitmap(fs), j)) continue; print_how_far(stderr, &done, total, 1, be_quiet(fs)); bh = bread(fs->fs_dev, j, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", j); continue; } type = who_is_this(bh->b_data, bh->b_size); if (type != THE_UNKNOWN) { print_block(stdout, fs, bh, PRINT_TREE_DETAILS | PRINT_DIRECT_ITEMS, -1, -1); } if (type == THE_INTERNAL) g_stat_info.nr_internals++; else if (type == THE_LEAF || type == HAS_IH_ARRAY) g_stat_info.nr_leaves++; brelse(bh); } fprintf(stderr, "\n"); } void pack_one_block(reiserfs_filsys_t fs, unsigned long block); static void print_one_block(reiserfs_filsys_t fs, unsigned long block) { struct buffer_head *bh; if (!fs->fs_bitmap2) { struct buffer_head *bm_bh; unsigned long bm_block; if (spread_bitmaps(fs)) bm_block = (block / (fs->fs_blocksize * 8)) ? (block / (fs->fs_blocksize * 8)) * (fs->fs_blocksize * 8) : fs->fs_super_bh->b_blocknr + 1; else bm_block = fs->fs_super_bh->b_blocknr + 1 + (block / (fs->fs_blocksize * 8)); bm_bh = bread(fs->fs_dev, bm_block, fs->fs_blocksize); if (bm_bh) { if (misc_test_bit((block % (fs->fs_blocksize * 8)), bm_bh->b_data)) { fprintf(stderr, "%lu is used in " "ondisk bitmap\n", block); } else { fprintf(stderr, "%lu is free in " "ondisk bitmap\n", block); } brelse(bm_bh); } } else { if (reiserfs_bitmap_test_bit(fs->fs_bitmap2, block)) fprintf(stderr, "%lu is used in ondisk bitmap\n", block); else fprintf(stderr, "%lu is free in ondisk bitmap\n", block); } bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { printf("print_one_block: bread failed\n"); return; } if (debug_mode(fs) == DO_PACK) { pack_one_block(fs, bh->b_blocknr); brelse(bh); return; } if (who_is_this(bh->b_data, bh->b_size) != THE_UNKNOWN) print_block(stdout, fs, bh, PRINT_TREE_DETAILS, -1, -1); else printf("Looks like unformatted\n"); brelse(bh); return; } /* debugreiserfs -p or -P compresses reiserfs meta data: super block, journal, bitmap blocks and blocks looking like leaves. It may save "bitmap" of blocks they packed in the file of special format. Reiserfsck can then load "bitmap" saved in that file and build the tree of blocks marked used in that "bitmap" */ static char *badblocks_file; static char *corruption_list_file; static char *program_name; static char *parse_options(struct debugreiserfs_data *data, int argc, char *argv[]) { int c; char *tmp; data->scan_area = USED_BLOCKS; data->mode = DO_DUMP; program_name = strrchr(argv[0], '/'); if (program_name) program_name++; else program_name = argv[0]; while ((c = getopt(argc, argv, "a:b:C:F:SU1:pkn:Nfr:dDomj:JqtZl:LVB:uv")) != EOF) { switch (c) { case 'a': /* -r will read this, -n and -N will write to it */ asprintf(&data->map_file, "%s", optarg); break; case 'b': /* will load bitmap from a file and read only blocks marked in it. This is for -p and -k */ asprintf(&data->input_bitmap, "%s", optarg); data->scan_area = EXTERN_BITMAP; break; case 'S': /* have debugreiserfs -p or -k to read all the device */ data->scan_area = ALL_BLOCKS; break; case 'U': /* have debugreiserfs -p or -k to read unused blocks only */ data->scan_area = UNUSED_BLOCKS; break; case '1': /* print a single node */ data->block = strtol(optarg, &tmp, 0); if (*tmp) die("parse_options: bad block number"); break; case 'C': data->mode = DO_CORRUPT_ONE; data->block = strtol(optarg, &tmp, 0); if (*tmp) { die("parse_options: bad block number"); } break; case 'F': data->mode = DO_CORRUPT_FILE; if (asprintf(&corruption_list_file, "%s", optarg) == -1) { die("parse_options: bad list corruption file"); } break; case 'p': data->mode = DO_PACK; break; case 'u': data->mode = DO_UNPACK; break; case 't': data->mode = DO_STAT; break; case 'k': /* read the device and print reiserfs blocks which contain defined key */ data->mode = DO_SCAN; break; case 'n': /* scan for names matching a specified pattern */ data->mode = DO_SCAN_FOR_NAME; data->pattern = optarg; /*asprintf (&data->pattern, "%s", optarg); */ break; case 'N': /* search name in the tree */ data->mode = DO_LOOK_FOR_NAME; break; case 'f': data->mode = DO_FILE_MAP; break; case 'r': asprintf(&data->recovery_file, "%s", optarg); data->mode = DO_RECOVER; break; case 'd': /* print leaf details from internal tree */ data->options |= PRINT_TREE_DETAILS; break; case 'D': /* print leaf details accordingly the bitmap - can be used with -S */ data->options |= PRINT_DETAILS; break; case 'o': /* print objectid map */ data->options |= PRINT_OBJECTID_MAP; break; case 'm': /* print a block map */ case 'M': /* print a block map with details */ data->options |= PRINT_BITMAP; break; case 'j': /* -j must have a parameter */ data->options |= PRINT_JOURNAL; data->journal_device_name = optarg; break; case 'J': data->options |= PRINT_JOURNAL_HEADER; break; case 'R': /* read block numbers from stdin and look for them in the journal */ data->mode = DO_SCAN_JOURNAL; data->JJ++; break; case 'B': /*disabled for a while */ asprintf(&badblocks_file, "%s", optarg); data->mode = DO_EXTRACT_BADBLOCKS; break; case 'q': /* this makes packing to not show speed info during -p or -P */ data->options |= BE_QUIET; break; case 'Z': data->mode = DO_ZERO; break; case 'l': /* --logfile */ data->log_file_name = optarg; data->log = fopen(optarg, "w"); if (!data->log) { fprintf(stderr, "debugreiserfs: Cannot not open " "\'%s\': %s", optarg, strerror(errno)); } break; case 'L': /* random fs corruption */ data->mode = DO_RANDOM_CORRUPTION; break; case 'V': data->mode = DO_NOTHING; break; case 'v': data->options |= BE_VERBOSE; break; } } if (data->mode == DO_NOTHING) { print_banner(program_name); exit(0); } if (optind != argc - 1) /* only one non-option argument is permitted */ print_usage_and_exit(); print_banner(program_name); data->device_name = argv[optind]; return argv[optind]; } void pack_partition(reiserfs_filsys_t fs); static void do_pack(reiserfs_filsys_t fs) { if (certain_block(fs)) pack_one_block(fs, certain_block(fs)); else pack_partition(fs); } /* static int comp (const void * vp1, const void * vp2) { const int * p1, * p2; p1 = vp1; p2 = vp2; if (*p1 < *p2) return -1; if (*p1 > *p2) return 1; return 0; } */ static void init_bitmap(reiserfs_filsys_t fs) { FILE *fp; unsigned long block_count; if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); block_count = get_sb_block_count(fs->fs_ondisk_sb); switch (scan_area(fs)) { case ALL_BLOCKS: input_bitmap(fs) = reiserfs_create_bitmap(block_count); reiserfs_bitmap_fill(input_bitmap(fs)); reiserfs_warning(stderr, "Whole device (%u blocks) is to be scanned\n", reiserfs_bitmap_ones(input_bitmap(fs))); break; case USED_BLOCKS: reiserfs_warning(stderr, "Loading on-disk bitmap .. "); input_bitmap(fs) = reiserfs_create_bitmap(block_count); reiserfs_bitmap_copy(input_bitmap(fs), fs->fs_bitmap2); reiserfs_warning(stderr, "%lu bits set - done\n", reiserfs_bitmap_ones(input_bitmap(fs))); break; case UNUSED_BLOCKS: reiserfs_warning(stderr, "Loading on-disk bitmap .. "); input_bitmap(fs) = reiserfs_create_bitmap(block_count); reiserfs_bitmap_copy(input_bitmap(fs), fs->fs_bitmap2); reiserfs_bitmap_invert(input_bitmap(fs)); reiserfs_warning(stderr, "%lu bits set - done\n", reiserfs_bitmap_ones(input_bitmap(fs))); break; case EXTERN_BITMAP: fp = fopen(input_bitmap_file_name(fs), "r"); if (!fp) { reiserfs_exit(1, "init_bitmap: could not load bitmap: %m\n"); } input_bitmap(fs) = reiserfs_bitmap_load(fp); if (!input_bitmap(fs)) { reiserfs_exit(1, "could not load fitmap from \"%s\"", input_bitmap_file_name(fs)); } reiserfs_warning(stderr, "%u blocks marked in the given bitmap\n", reiserfs_bitmap_ones(input_bitmap(fs))); fclose(fp); break; default: reiserfs_panic("No area to scan specified"); } } /* FIXME: statistics does not work */ static void do_dump_tree(reiserfs_filsys_t fs) { if (certain_block(fs)) { print_one_block(fs, certain_block(fs)); return; } if (((data(fs)->options & PRINT_JOURNAL) || (data(fs)->options & PRINT_JOURNAL_HEADER)) && !reiserfs_journal_opened(fs)) { if (reiserfs_open_journal(fs, data(fs)->journal_device_name, O_RDONLY)) { printf("Could not open journal\n"); return; } } print_filesystem_state(stdout, fs); print_block(stdout, fs, fs->fs_super_bh); if (data(fs)->options & PRINT_JOURNAL) print_journal(fs); if (data(fs)->options & PRINT_JOURNAL_HEADER) print_journal_header(fs); if (data(fs)->options & PRINT_OBJECTID_MAP) print_objectid_map(stdout, fs); if (data(fs)->options & PRINT_BITMAP) print_bmap(stdout, fs, 0 /*opt_print_block_map == 1 ? 1 : 0 */ ); if (data(fs)->options & PRINT_DETAILS) init_bitmap(fs); if (data(fs)->options & PRINT_DETAILS || data(fs)->options & PRINT_TREE_DETAILS) { if (data(fs)->options & PRINT_DETAILS) { print_disk_blocks(fs); printf("The '%s' device with reiserfs has:\n", fs->fs_file_name); } else { print_disk_tree(fs, get_sb_root_block(fs->fs_ondisk_sb)); printf("The internal reiserfs tree has:\n"); } /* print the statistic */ printf("\t%u internal + %u leaves + %u " "unformatted nodes = %u blocks\n", g_stat_info.nr_internals, g_stat_info.nr_leaves, g_stat_info.nr_unformatted, g_stat_info.nr_internals + g_stat_info.nr_leaves + g_stat_info.nr_unformatted); } } static void callback_badblock_print(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data) { struct item_head *tmp_ih; FILE *fd = (FILE *) data; __le32 *ind_item; __u32 i; tmp_ih = tp_item_head(badblock_path); ind_item = (__le32 *) tp_item_body(badblock_path); for (i = 0; i < I_UNFM_NUM(tmp_ih); i++) fprintf(fd, "%u\n", d32_get(ind_item, i)); pathrelse(badblock_path); } static void extract_badblock_list(void) { FILE *fd; if (!(fd = fopen(badblocks_file, "w"))) { reiserfs_exit(1, "debugreiserfs: could not open badblock file %s\n", badblocks_file); } badblock_list(fs, callback_badblock_print, fd); fclose(fd); } static int str2int(char *str, int *res) { int val; char *tmp; val = (int)strtol(str, &tmp, 0); if (tmp == str) /* could not convert string into a number */ return 0; *res = val; return 1; } static void do_corrupt_blocks(reiserfs_filsys_t fs) { char *line; FILE *fd; size_t n = 0; int numblock; fd = fopen(corruption_list_file, "r"); if (fd == NULL) { reiserfs_exit(1, "debugreiserfs: could not open corruption " "list file %s\n", corruption_list_file); } while (1) { line = NULL; n = 0; if (getline(&line, &n, fd) == -1) { break; } /* remove '\n' */ line[strlen(line) - 1] = '\0'; if (str2int(line, &numblock)) { data(fs)->block = (unsigned long)numblock; } else { do_corrupt_one_block(fs, line); } printf("before free line : %s\n", line); free(line); printf("after free\n"); reiserfs_reopen(fs, O_RDWR); } fclose(fd); return; } static void debugreiserfs_zero_reiserfs(reiserfs_filsys_t fs) { unsigned long done, total, i; struct buffer_head *bh; reiserfs_reopen(fs, O_RDWR); total = reiserfs_bitmap_ones(input_bitmap(fs)); done = 0; for (i = 0; i < input_bitmap(fs)->bm_bit_size; i++) { if (!reiserfs_bitmap_test_bit(input_bitmap(fs), i)) continue; bh = getblk(fs->fs_dev, i, fs->fs_blocksize); if (!bh) die("Could not get block %lu\n", i); memset(bh->b_data, 0, fs->fs_blocksize); mark_buffer_dirty(bh); mark_buffer_uptodate(bh, 0); bwrite(bh); brelse(bh); print_how_far(stderr, &done, total, 1, be_quiet(fs)); } fprintf(stderr, "\n"); fflush(stderr); } /* FIXME: need to open reiserfs filesystem first */ int main(int argc, char *argv[]) { char *file_name; long error; struct debugreiserfs_data *data; FILE *log; data = getmem(sizeof(struct debugreiserfs_data)); file_name = parse_options(data, argc, argv); if (data->mode == DO_UNPACK) { do_unpack(file_name, data->journal_device_name, data->input_bitmap, data->options & BE_VERBOSE); return 0; } fs = reiserfs_open(file_name, O_RDONLY, &error, data, 0); if (no_reiserfs_found(fs)) { reiserfs_exit(1, "\n\ndebugreiserfs: can not open reiserfs on " "\"%s\": %s\n\n", file_name, error ? error_message(error) : "no filesystem found"); exit(1); } if (reiserfs_open_journal(fs, data(fs)->journal_device_name, O_RDONLY)) { fprintf(stderr, "\ndebugreiserfs: Failed to open the fs journal.\n"); } switch (debug_mode(fs)) { case DO_STAT: init_bitmap(fs); do_stat(fs); break; case DO_PACK: init_bitmap(fs); do_pack(fs); break; case DO_CORRUPT_ONE: reiserfs_reopen(fs, O_RDWR); do_corrupt_one_block(fs, (char *)NULL); break; case DO_CORRUPT_FILE: reiserfs_reopen(fs, O_RDWR); do_corrupt_blocks(fs); break; case DO_RANDOM_CORRUPTION: reiserfs_reopen(fs, O_RDWR); /* do_leaves_corruption (fs); do_bitmap_corruption (fs); */ do_fs_random_corrupt(fs); break; case DO_DUMP: do_dump_tree(fs); break; case DO_SCAN: case DO_SCAN_FOR_NAME: case DO_LOOK_FOR_NAME: case DO_SCAN_JOURNAL: init_bitmap(fs); do_scan(fs); break; case DO_FILE_MAP: print_map(fs); break; case DO_RECOVER: do_recover(fs); break; case DO_TEST: /*do_test (fs); */ break; case DO_EXTRACT_BADBLOCKS: reiserfs_warning(stderr, "Will try to extract list of bad blocks " "and save it to '%s' file\n", badblocks_file); extract_badblock_list(); reiserfs_warning(stderr, "Done\n\n"); break; case DO_ZERO: init_bitmap(fs); debugreiserfs_zero_reiserfs(fs); break; } log = data(fs)->log; reiserfs_close(fs); if (log) fclose(log); return 0; } reiserfsprogs-3.6.25/debugreiserfs/pack.c0000644000175000001440000004134712725331232015345 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" /* counters for each kind of blocks */ unsigned int packed, packed_leaves, full_blocks, having_ih_array, /* blocks with broken block head */ bad_leaves, /* failed to compress */ internals, descs, others; reiserfs_bitmap_t *what_to_pack; /* these are to calculate compression */ unsigned long sent_bytes; /* how many bytes sent to stdout */ unsigned long had_to_be_sent; /* how many bytes were to be sent */ static void pack_ih(struct packed_item *pi, struct item_head *ih) { __u32 v32; __u16 v16; /* send packed item head first */ fwrite(pi, sizeof(*pi), 1, stdout); sent_bytes += sizeof(*pi); /* sen key components which are to be sent */ if (get_pi_mask(pi) & DIR_ID) { v32 = get_key_dirid(&ih->ih_key); fwrite_le32(&v32); } if (get_pi_mask(pi) & OBJECT_ID) { v32 = get_key_objectid(&ih->ih_key); fwrite_le32(&v32); } if (get_pi_mask(pi) & OFFSET_BITS_64) { __u64 offset; offset = get_offset(&ih->ih_key); fwrite_le64(&offset); } if (get_pi_mask(pi) & OFFSET_BITS_32) { __u32 offset; offset = get_offset(&ih->ih_key); fwrite_le32(&offset); } if (get_pi_mask(pi) & IH_FREE_SPACE) { v16 = get_ih_entry_count(ih); fwrite_le16(&v16); } if (get_pi_mask(pi) & IH_FORMAT) { /* fixme */ fwrite16(&ih->ih_format); } } static void pack_direct(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { if (get_ih_free_space(ih) != 0xffff) /* ih_free_space has unexpected value */ set_pi_mask(pi, get_pi_mask(pi) | IH_FREE_SPACE); if (get_pi_mask(pi) & SAFE_LINK) set_key_dirid(&ih->ih_key, d32_get((__le32 *) ih_item_body(bh, ih), 0)); /* send key components which are to be sent */ pack_ih(pi, ih); } /* if there is at least one extent longer than 2 - it is worth packing */ static int should_pack_indirect(__le32 * ind_item, int unfm_num) { int i, len; for (i = 1, len = 1; i < unfm_num; i++) { if ((d32_get(ind_item, i) == 0 && d32_get(ind_item, i - 1) == 0) || d32_get(ind_item, i) == d32_get(ind_item, i - 1) + 1) { len++; if (len > 2) return 1; } else { /* sequence of blocks or hole broke */ len = 1; } } return 0; } /* indirect item can be either packed using "extents" (when it is worth doing) or be stored as is. Size of item in packed form is not stored. Unpacking will stop when full item length is reached */ static void pack_indirect(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { unsigned int i; __le32 *ind_item; __u16 len; if (get_ih_entry_count(ih)) set_pi_mask(pi, get_pi_mask(pi) | IH_FREE_SPACE); ind_item = (__le32 *) ih_item_body(bh, ih); if (!should_pack_indirect(ind_item, I_UNFM_NUM(ih))) set_pi_mask(pi, get_pi_mask(pi) | WHOLE_INDIRECT); if (get_pi_mask(pi) & SAFE_LINK) set_key_dirid(&ih->ih_key, d32_get(ind_item, 0)); pack_ih(pi, ih); if (get_pi_mask(pi) & SAFE_LINK) return; if (get_pi_mask(pi) & WHOLE_INDIRECT) { fwrite(ind_item, get_ih_item_len(ih), 1, stdout); sent_bytes += get_ih_item_len(ih); return; } fwrite32(&ind_item[0]); for (i = 1, len = 1; i < I_UNFM_NUM(ih); i++) { if ((d32_get(ind_item, i) == 0 && d32_get(ind_item, i - 1) == 0) || d32_get(ind_item, i) == d32_get(ind_item, i - 1) + 1) { len++; } else { fwrite_le16(&len); fwrite32((char *)(ind_item + i)); len = 1; } } fwrite_le16(&len); return; } /* directory item is packed: entry count - 16 bits for each entry mask (8 bits) - it shows whether there are any of (deh_dir_id, gen counter, deh_state) entry length 16 bits entry itself deh_objectid - 32 bits maybe deh_dir_id (32 bits) maybe gencounter (16) maybe deh_state (16) */ static void pack_direntry(reiserfs_filsys_t fs, struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { int i; struct reiserfs_de_head *deh; struct packed_dir_entry pe; __u16 entry_count, gen_counter; set_pi_mask(pi, get_pi_mask(pi) | IH_ENTRY_COUNT); /* send item_head components which are to be sent */ pack_ih(pi, ih); /* entry count is sent unconditionally */ entry_count = get_ih_entry_count(ih); deh = B_I_DEH(bh, ih); for (i = 0; i < entry_count; i++, deh++) { pe.entrylen = entry_length(ih, deh, i); pe.mask = 0; if (get_deh_dirid(deh) != get_key_objectid(&ih->ih_key)) /* entry points to name of another directory, store deh_dir_id */ pe.mask |= HAS_DIR_ID; gen_counter = GET_GENERATION_NUMBER(get_deh_offset(deh)); if (gen_counter != 0) /* store generation counter if it is != 0 */ pe.mask |= HAS_GEN_COUNTER; if (get_deh_state(deh) != 4) /* something unusual in deh_state. Store it */ pe.mask |= HAS_STATE; fwrite8(&pe.mask); fwrite_le16(&pe.entrylen); fwrite(name_in_entry(deh, i), pe.entrylen, 1, stdout); sent_bytes += pe.entrylen; fwrite32(&(deh->deh2_objectid)); if (pe.mask & HAS_DIR_ID) fwrite32(&deh->deh2_dir_id); if (pe.mask & HAS_GEN_COUNTER) fwrite_le16(&gen_counter); if (pe.mask & HAS_STATE) fwrite16(&deh->deh2_state); } } static void pack_stat_data(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { if (get_ih_free_space(ih) != 0xffff) /* ih_free_space has unexpected value */ set_pi_mask(pi, get_pi_mask(pi) | IH_FREE_SPACE); if (stat_data_v1(ih)) { /* for old stat data: we take mode - 16 bits nlink - 16 bits size - 32 bits blocks/rdev - 32 bits maybe first_direct byte 32 bits */ struct stat_data_v1 *sd_v1; sd_v1 = (struct stat_data_v1 *)ih_item_body(bh, ih); if (sd_v1->sd_first_direct_byte != 0xffffffff) /* ok if -1 */ set_pi_mask(pi, get_pi_mask(pi) | WITH_SD_FIRST_DIRECT_BYTE); pack_ih(pi, ih); fwrite16(&sd_v1->sd_mode); fwrite16(&sd_v1->sd_nlink); fwrite32(&sd_v1->sd_size); fwrite32(&sd_v1->u.sd_blocks); if (get_pi_mask(pi) & WITH_SD_FIRST_DIRECT_BYTE) fwrite32(&sd_v1->sd_first_direct_byte); } else { /* for new stat data mode - 16 bits nlink in either 16 or 32 bits size in either 32 or 64 bits blocks - 32 bits */ struct stat_data *sd; /* these will maintain disk-order values */ __le16 nlink16; __le32 nlink32, size32; __u64 size64; sd = (struct stat_data *)ih_item_body(bh, ih); if (sd_v2_nlink(sd) > 0xffff) { set_pi_mask(pi, get_pi_mask(pi) | NLINK_BITS_32); nlink32 = sd->sd_nlink; } else { /* This is required to deal with big endian systems */ nlink16 = cpu_to_le16((__u16) sd_v2_nlink(sd)); } if (sd_v2_size(sd) > 0xffffffff) { set_pi_mask(pi, get_pi_mask(pi) | SIZE_BITS_64); size64 = sd->sd_size; } else { /* This is required to deal with big endian systems */ size32 = cpu_to_le32((__u32) sd_v2_size(sd)); } pack_ih(pi, ih); fwrite16(&sd->sd_mode); if (get_pi_mask(pi) & NLINK_BITS_32) { fwrite32(&nlink32); } else { fwrite16(&nlink16); } if (get_pi_mask(pi) & SIZE_BITS_64) { fwrite64(&size64); } else { fwrite32(&size32); } fwrite32(&sd->sd_blocks); } } static void pack_full_block(reiserfs_filsys_t fs, struct buffer_head *bh) { __u16 magic; __u32 block; magic = FULL_BLOCK_START_MAGIC; fwrite_le16(&magic); block = bh->b_blocknr; fwrite_le32(&block); fwrite(bh->b_data, fs->fs_blocksize, 1, stdout); sent_bytes += fs->fs_blocksize; had_to_be_sent += fs->fs_blocksize; full_blocks++; } #if 0 /* unformatted node pointer is considered bad when it points either to blocks of journal, bitmap blocks, super block or is transparently out of range of disk block numbers */ static int check_unfm_ptr(reiserfs_filsys_t fs, __u32 block) { if (block >= SB_BLOCK_COUNT(fs)) return 1; if (not_data_block(fs, block)) return 1; return 0; } #endif /* we only pack leaves which do not have any corruptions */ static int can_pack_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { int i; struct item_head *ih; ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { if (is_it_bad_item (fs, ih, ih_item_body(bh, ih), 0 /*check_unfm_ptr */ , 1 /*bad dir */ )) return 0; } return 1; } /* pack leaf only if all its items are correct: keys are correct, direntries are hashed properly and hash function is defined, indirect items are correct, stat data ?, */ static void pack_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { int i; struct item_head *ih; struct packed_item pi; __u16 v16; if (!can_pack_leaf(fs, bh)) { /* something looks suspicious in this leaf - pack whole block */ bad_leaves++; pack_full_block(fs, bh); return; } /* start magic in low 8 bits, hash code in high 8 bits */ v16 = (LEAF_START_MAGIC | (func2code(fs->fs_hash_function) << 8)); fwrite_le16(&v16); /* block number */ fwrite_le32(&bh->b_blocknr); /* item number */ v16 = get_blkh_nr_items(B_BLK_HEAD(bh)); fwrite_le16(&v16); ih = item_head(bh, 0); for (i = 0; i < v16; i++, ih++) { #if 0 v32 = ITEM_START_MAGIC; fwrite32(&v32); #endif set_pi_mask(&pi, 0); set_pi_item_len(&pi, get_ih_item_len(ih)); set_pi_type(&pi, get_type(&ih->ih_key)); // format if (get_ih_key_format(ih) == KEY_FORMAT_2) set_pi_mask(&pi, get_pi_mask(&pi) | NEW_FORMAT); // k_dir_id if (!i || (i && get_key_dirid(&ih->ih_key) != get_key_dirid(&(ih - 1)->ih_key))) { /* if item is first in the leaf or if previous item has different k_dir_id - store it */ set_pi_mask(&pi, get_pi_mask(&pi) | DIR_ID); } // k_object_id if (!i || (i && get_key_objectid(&ih->ih_key) != get_key_objectid(&(ih - 1)->ih_key))) { /* if item is first in the leaf or if previous item has different k_objectid - store it */ set_pi_mask(&pi, get_pi_mask(&pi) | OBJECT_ID); } /* store offset if it is != 0 in 32 or 64 bits */ if (get_offset(&ih->ih_key)) { int send_offset = 1; if ((get_pi_mask(&pi) & DIR_ID) == 0 && (get_pi_mask(&pi) & OBJECT_ID) == 0) { /* previous item is of the same object, so try to avoid sending k_offset */ if ((is_stat_data_ih(ih - 1) && get_offset(&ih->ih_key) == 1) || (is_indirect_ih(ih - 1) && is_direct_ih(ih) && get_offset(&(ih - 1)->ih_key) + get_bytes_number(ih - 1, fs->fs_blocksize) == get_offset(&ih->ih_key))) /* unpack can calculate offset itself */ send_offset = 0; } if (send_offset) { if (get_offset(&ih->ih_key) > 0xffffffffULL) set_pi_mask(&pi, get_pi_mask(&pi) | OFFSET_BITS_64); else set_pi_mask(&pi, get_pi_mask(&pi) | OFFSET_BITS_32); } } /* ih key format is correct, check fsck_need field */ if (get_ih_flags(ih)) set_pi_mask(&pi, get_pi_mask(&pi) | IH_FORMAT); if ((get_key_dirid(&ih->ih_key) == (__u32) - 1) && (get_ih_item_len(ih) == 4)) set_pi_mask(&pi, get_pi_mask(&pi) | SAFE_LINK); if (is_direct_ih(ih)) { pack_direct(&pi, bh, ih); } else if (is_indirect_ih(ih)) pack_indirect(&pi, bh, ih); else if (is_direntry_ih(ih)) pack_direntry(fs, &pi, bh, ih); else if (is_stat_data_ih(ih)) pack_stat_data(&pi, bh, ih); else die("pack_leaf: unknown item found"); #if 0 v32 = ITEM_END_MAGIC; fwrite32(&v32); #endif } v16 = LEAF_END_MAGIC; fwrite_le16(&v16); had_to_be_sent += fs->fs_blocksize; packed_leaves++; return; } static int can_pack_internal(reiserfs_filsys_t fs, struct buffer_head *bh) { return 0; } /* pack internal node as a full block */ static void pack_internal(reiserfs_filsys_t fs, struct buffer_head *bh) { internals++; if (!can_pack_internal(fs, bh)) { pack_full_block(fs, bh); return; } reiserfs_panic("pack_internal: packing code is not ready"); } /* packed blocks are marked free in the bitmap*/ static void send_block(reiserfs_filsys_t fs, struct buffer_head *bh, int send_unknown) { int type; packed++; type = who_is_this(bh->b_data, bh->b_size); switch (type) { case THE_LEAF: pack_leaf(fs, bh); break; case HAS_IH_ARRAY: having_ih_array++; // fprintf (stderr, "BROKEN BLOCK HEAD %lu\n", bh->b_blocknr); pack_full_block(fs, bh); break; case THE_INTERNAL: pack_internal(fs, bh); break; default: if (send_unknown) pack_full_block(fs, bh); else packed--; break; } /* do not send one block twice */ reiserfs_bitmap_clear_bit(what_to_pack, bh->b_blocknr); } /* super block, journal, bitmaps */ static void pack_frozen_data(reiserfs_filsys_t fs) { struct buffer_head *bh; unsigned long block; __u16 magic16; int sent_journal_start_magic = 0; unsigned int i; if (is_reiserfs_jr_magic_string(fs->fs_ondisk_sb) && get_jp_journal_dev(sb_jp(fs->fs_ondisk_sb)) && !journal_device_name(fs)) { if (!user_confirmed(stderr, "\n File system has non-standard journal " "that hasn't been specified.\n" "Continue packing without journal? [N/Yes] (note need to type Yes):", "Yes\n")) exit(0); } /* super block */ reiserfs_warning(stderr, "super block.."); fflush(stderr); send_block(fs, fs->fs_super_bh, 1 /*send block even if its format is not determined */ ); reiserfs_warning(stderr, "ok\nbitmaps..(%d).. ", reiserfs_fs_bmap_nr(fs)); fflush(stderr); /* bitmaps */ block = fs->fs_super_bh->b_blocknr + 1; for (i = 0; i < reiserfs_fs_bmap_nr(fs); i++) { bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { fprintf(stderr, "pack_frozen_data: bread failed: %lu\n", block); continue; } send_block(fs, bh, 1); if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; brelse(bh); } /* journal */ if (get_jp_journal_dev(sb_jp(fs->fs_ondisk_sb))) { /* non-standard journal is on a separate device */ if (journal_device_name(fs) && !reiserfs_journal_opened(fs)) die("Specified journal is not available. Specify it correctly or " "don't specify at all"); else if (!journal_device_name(fs)) /* non-standard journal was not specified (that confirmed by user) - skipped packing journal */ return; else { magic16 = SEPARATED_JOURNAL_START_MAGIC; fwrite_le16(&magic16); sent_journal_start_magic = 1; } } block = get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)); reiserfs_warning(stderr, "ok\njournal (from %lu to %lu)..", block, block + get_jp_journal_size(sb_jp(fs->fs_ondisk_sb))); fflush(stderr); for (i = 0; i <= get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)); i++) { bh = bread(fs->fs_journal_dev, block + i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read %lu, skipped\n", i); continue; } send_block(fs, bh, 1); brelse(bh); } if (sent_journal_start_magic) { magic16 = SEPARATED_JOURNAL_END_MAGIC; fwrite_le16(&magic16); } reiserfs_warning(stderr, "ok\n"); fflush(stderr); reiserfs_warning(stderr, "Super block, bitmaps, journal - %u blocks - done, %u blocks left\n", packed, reiserfs_bitmap_ones(what_to_pack)); } /* pack all "not data blocks" and correct leaf */ void pack_partition(reiserfs_filsys_t fs) { struct buffer_head *bh; __u32 magic32; __u16 blocksize; __u16 magic16; unsigned long done = 0, total; unsigned int i; magic32 = REISERFS_SUPER_MAGIC; fwrite_le32(&magic32); blocksize = fs->fs_blocksize; fwrite_le16(&blocksize); /* will get information about what is to be packed. Bits corresponding to packed blocks will be cleared */ what_to_pack = input_bitmap(fs); /* super block, journal, bitmaps */ pack_frozen_data(fs); /* what's left */ total = reiserfs_bitmap_ones(what_to_pack); for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!reiserfs_bitmap_test_bit(what_to_pack, i)) continue; print_how_far(stderr, &done, total, 1, be_quiet(fs)); bh = bread(fs->fs_dev, i, blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } send_block(fs, bh, 0 /*do not send block of not determined format */ ); brelse(bh); } magic16 = END_MAGIC; fwrite_le16(&magic16); fprintf(stderr, "\nPacked %u blocks:\n" "\tcompessed %u\n" "\tfull blocks %u\n" "\t\tleaves with broken block head %u\n" "\t\tcorrupted leaves %u\n" "\t\tinternals %u\n" "\t\tdescriptors %u\n", packed, packed_leaves, full_blocks, having_ih_array, bad_leaves, internals, descs); fprintf(stderr, "data packed with ratio %.2f\n", (double)sent_bytes / had_to_be_sent); } void pack_one_block(reiserfs_filsys_t fs, unsigned long block) { __u32 magic32; __u16 magic16; struct buffer_head *bh; // reiserfs magic magic32 = REISERFS_SUPER_MAGIC; fwrite_le32(&magic32); // blocksize fwrite_le16(&fs->fs_blocksize); bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) return; if (who_is_this(bh->b_data, bh->b_size) == THE_LEAF) pack_leaf(fs, bh); else pack_full_block(fs, bh); brelse(bh); // end magic magic16 = END_MAGIC; fwrite_le16(&magic16); fprintf(stderr, "Done\n"); } reiserfsprogs-3.6.25/debugreiserfs/unpack.c0000644000175000001440000003501212270315344015701 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #include #define print_usage_and_exit() die ("Usage: %s [-v] [-b filename] device\n\ -v prints blocks number of every block unpacked\n\ -b filename saves bitmap of blocks unpacked to filename\n\ -j filename stores journal in the filename\n", argv[0]); /* when super block gets unpacked for the first time - create a bitmap and mark in it what have been unpacked. Save that bitmap at the end */ reiserfs_bitmap_t *what_unpacked = 0; int leaves, full; int verbose = 0; int Default_journal = 1; static void unpack_offset(struct packed_item *pi, struct item_head *ih, int blocksize) { if (get_pi_mask(pi) & OFFSET_BITS_64) { __u64 v64; if (get_ih_key_format(ih) != KEY_FORMAT_2) die("unpack_offset: key format is not set or wrong"); fread_le64(&v64); set_offset(KEY_FORMAT_2, &ih->ih_key, v64); return; } if (get_pi_mask(pi) & OFFSET_BITS_32) { __u32 v32; fread_le32(&v32); set_offset(get_ih_key_format(ih), &ih->ih_key, v32); return; } if ((get_pi_mask(pi) & DIR_ID) == 0 && (get_pi_mask(pi) & OBJECT_ID) == 0) { /* offset was not sent, as it can be calculated looking at the previous item */ if (is_stat_data_ih(ih - 1)) set_offset(get_ih_key_format(ih), &ih->ih_key, 1); if (is_indirect_ih(ih - 1)) set_offset(get_ih_key_format(ih), &ih->ih_key, get_offset(&(ih - 1)->ih_key) + get_bytes_number(ih - 1, blocksize)); } // offset is 0 return; } static void unpack_type(struct packed_item *pi, struct item_head *ih) { set_type(get_ih_key_format(ih), &ih->ih_key, get_pi_type(pi)); if (type_unknown(&ih->ih_key)) reiserfs_panic("unpack_type: unknown type %d unpacked for %H\n", get_pi_type(pi), ih); } /* direntry item comes in the following format: for each entry mask - 8 bits entry length - 16 bits entry itself deh_objectid - 32 bits maybe deh_dir_id (32 bits) maybe gencounter (16) maybe deh_state (16) */ static void unpack_direntry(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih, hashf_t hash_func) { __u16 entry_count, namelen, gen_counter, entry_len; __u8 mask; int i; struct reiserfs_de_head *deh; int location; char *item; /* if (!hash_func) die ("unpack_direntry: hash function is not set");*/ if (!(get_pi_mask(pi) & IH_FREE_SPACE)) die("ih_entry_count must be packed for directory items"); entry_count = get_ih_entry_count(ih); /* if (!entry_count) reiserfs_panic ("unpack_direntry: entry count should be set already");*/ item = bh->b_data + get_ih_location(ih); deh = (struct reiserfs_de_head *)item; location = get_pi_item_len(pi); for (i = 0; i < entry_count; i++, deh++) { fread8(&mask); fread_le16(&entry_len); location -= entry_len; set_deh_location(deh, location); fread(item + location, entry_len, 1, stdin); /* find name length */ if (*(item + location + entry_len - 1)) namelen = entry_len; else namelen = strlen(item + location); fread32(&deh->deh2_objectid); if (mask & HAS_DIR_ID) fread32(&deh->deh2_dir_id); else set_deh_dirid(deh, get_key_objectid(&ih->ih_key)); if (*(item + location) == '.' && namelen == 1) /* old or new "." */ set_deh_offset(deh, DOT_OFFSET); else if (*(item + location) == '.' && *(item + location + 1) == '.' && namelen == 2) /* old or new ".." */ set_deh_offset(deh, DOT_DOT_OFFSET); else if (hash_func) set_deh_offset(deh, hash_value(hash_func, item + location, namelen)); if (mask & HAS_GEN_COUNTER) { fread_le16(&gen_counter); set_deh_offset(deh, get_deh_offset(deh) | gen_counter); } if (mask & HAS_STATE) fread16(&deh->deh2_state); else set_deh_state(deh, (1 << DEH_Visible2)); } return; } /* struct packed_item is already unpacked */ static void unpack_stat_data(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { if (!(get_pi_mask(pi) & IH_FREE_SPACE)) { /* ih_free_space was not packed - set default */ set_ih_entry_count(ih, 0xffff); } if (get_ih_key_format(ih) == KEY_FORMAT_1) { /* stat data comes in the following format: if this is old stat data: mode - 16 bits nlink - 16 bits size - 32 bits blocks/rdev - 32 bits maybe first_direct byte 32 bits */ struct stat_data_v1 *sd; sd = (struct stat_data_v1 *)ih_item_body(bh, ih); memset(sd, 0, sizeof(*sd)); fread16(&sd->sd_mode); fread16(&sd->sd_nlink); fread32(&sd->sd_size); fread32(&sd->u.sd_blocks); if (get_pi_mask(pi) & WITH_SD_FIRST_DIRECT_BYTE) { fread32(&sd->sd_first_direct_byte); } else { sd->sd_first_direct_byte = 0xffffffff; } } else { /* for new stat data mode - 16 bits nlink in either 16 or 32 bits size in either 32 or 64 bits blocks - 32 bits */ struct stat_data *sd; sd = (struct stat_data *)ih_item_body(bh, ih); memset(sd, 0, sizeof(*sd)); fread16(&sd->sd_mode); if (get_pi_mask(pi) & NLINK_BITS_32) { fread32(&sd->sd_nlink); } else { __u16 nlink16; fread16(&nlink16); set_sd_v2_nlink(sd, le16_to_cpu(nlink16)); } if (get_pi_mask(pi) & SIZE_BITS_64) { fread64(&sd->sd_size); } else { __u32 size32; /* We need the endian conversions since sd->sd_size is 64 bit */ fread_le32(&size32); set_sd_v2_size(sd, size32); } fread32(&sd->sd_blocks); } return; } /* indirect item comes either in packed form or as is. ih_free_space can go first */ static void unpack_indirect(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { __le32 *ind_item, *end; int i; __u16 v16; if (!(get_pi_mask(pi) & IH_FREE_SPACE)) { /* ih_free_space was not packed - set default */ set_ih_entry_count(ih, 0); } ind_item = (__le32 *) ih_item_body(bh, ih); if (get_pi_mask(pi) & SAFE_LINK) { d32_put(ind_item, 0, get_key_dirid(&ih->ih_key)); set_key_dirid(&ih->ih_key, (__u32) - 1); return; } if (get_pi_mask(pi) & WHOLE_INDIRECT) { fread(ind_item, get_pi_item_len(pi), 1, stdin); return; } end = ind_item + I_UNFM_NUM(ih); while (ind_item < end) { __u32 base; fread32(ind_item); fread_le16(&v16); base = d32_get(ind_item, 0); for (i = 1; i < v16; i++) { if (base != 0) d32_put(ind_item, i, base + i); else d32_put(ind_item, i, 0); } ind_item += i; } return; } // FIXME: we have no way to preserve symlinks static void unpack_direct(struct packed_item *pi, struct buffer_head *bh, struct item_head *ih) { __le32 *d_item = (__le32 *) ih_item_body(bh, ih); if (!(get_pi_mask(pi) & IH_FREE_SPACE)) /* ih_free_space was not packed - set default */ set_ih_entry_count(ih, 0xffff); if (get_pi_mask(pi) & SAFE_LINK) { d32_put(d_item, 0, get_key_dirid(&ih->ih_key)); set_key_dirid(&ih->ih_key, (__u32) - 1); } else { memset(d_item, 'a', get_pi_item_len(pi)); } return; } static void unpack_leaf(int dev, hashf_t hash_func, __u16 blocksize) { static int unpacked_leaves = 0; struct buffer_head *bh; struct packed_item pi; struct item_head *ih; int i; __le16 v16; __le32 v32; /* block number */ fread_le32(&v32); /* item number */ fread_le16(&v16); if (verbose) reiserfs_warning(stderr, "leaf %d: %d items\n", v32, v16); bh = getblk(dev, v32, blocksize); if (!bh) die("unpack_leaf: getblk failed"); set_blkh_nr_items(B_BLK_HEAD(bh), v16); set_blkh_level(B_BLK_HEAD(bh), DISK_LEAF_NODE_LEVEL); set_blkh_free_space(B_BLK_HEAD(bh), MAX_FREE_SPACE(bh->b_size)); ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { #if 0 fread32(&v32); if (v32 != ITEM_START_MAGIC) die("unpack_leaf: no start item magic found: block %lu, item %i", bh->b_blocknr, i); #endif fread(&pi, sizeof(struct packed_item), 1, stdin); /* dir_id - if it is there */ if (get_pi_mask(&pi) & DIR_ID) { fread32(&v32); set_key_dirid(&ih->ih_key, le32_to_cpu(v32)); } else { if (!i) die("unpack_leaf: dir_id is not set"); set_key_dirid(&ih->ih_key, get_key_dirid(&(ih - 1)->ih_key)); } /* object_id - if it is there */ if (get_pi_mask(&pi) & OBJECT_ID) { fread32(&v32); set_key_objectid(&ih->ih_key, le32_to_cpu(v32)); } else { if (!i) die("unpack_leaf: object_id is not set"); set_key_objectid(&ih->ih_key, get_key_objectid(&(ih - 1)->ih_key)); } // we need to set item format before offset unpacking set_ih_key_format(ih, (get_pi_mask(&pi) & NEW_FORMAT) ? KEY_FORMAT_2 : KEY_FORMAT_1); // offset unpack_offset(&pi, ih, bh->b_size); /* type */ unpack_type(&pi, ih); /* ih_free_space and ih_format */ if (get_pi_mask(&pi) & IH_FREE_SPACE) { fread16(&v16); set_ih_entry_count(ih, le16_to_cpu(v16)); } if (get_pi_mask(&pi) & IH_FORMAT) fread16(&ih->ih_format); /* item length and item location */ set_ih_item_len(ih, get_pi_item_len(&pi)); set_ih_location(ih, (i ? get_ih_location(ih - 1) : bh->b_size) - get_pi_item_len(&pi)); // item itself if (is_direct_ih(ih)) { unpack_direct(&pi, bh, ih); } else if (is_indirect_ih(ih)) { unpack_indirect(&pi, bh, ih); } else if (is_direntry_ih(ih)) { unpack_direntry(&pi, bh, ih, hash_func); } else if (is_stat_data_ih(ih)) { unpack_stat_data(&pi, bh, ih); } set_blkh_free_space(B_BLK_HEAD(bh), get_blkh_free_space(B_BLK_HEAD(bh)) - (IH_SIZE + get_ih_item_len(ih))); #if 0 fread32(&v32); if (v32 != ITEM_END_MAGIC) die("unpack_leaf: no end item magic found: block %lu, item %i", bh->b_blocknr, i); if (verbose) reiserfs_warning(stderr, "%d: %H\n", i, ih); #endif } fread_le16(&v16); if (v16 != LEAF_END_MAGIC) die("unpack_leaf: wrong end signature found - %x, block %lu", v16, bh->b_blocknr); mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); bwrite(bh); /* if (!not_data_block (bh->b_blocknr)) data_blocks_unpacked ++; */ brelse(bh); if (what_unpacked) reiserfs_bitmap_set_bit(what_unpacked, bh->b_blocknr); /*unpacked ++; */ if (!(++unpacked_leaves % 10)) fprintf(stderr, "#"); } static void unpack_full_block(int dev, int blocksize) { static int full_blocks_unpacked = 0; __u32 block; struct buffer_head *bh; fread_le32(&block); if (verbose) fprintf(stderr, "full #%d\n", block); bh = getblk(dev, block, blocksize); if (!bh) die("unpack_full_block: getblk failed"); fread(bh->b_data, bh->b_size, 1, stdin); if (who_is_this(bh->b_data, bh->b_size) == THE_SUPER && !what_unpacked) { unsigned long blocks; struct buffer_head *tmp; blocks = get_sb_block_count((struct reiserfs_super_block *)(bh-> b_data)); fprintf(stderr, "There were %lu blocks on the device\n", blocks); what_unpacked = reiserfs_create_bitmap(blocks); /* make file as long as filesystem is */ tmp = getblk(dev, blocks - 1, blocksize); mark_buffer_dirty(tmp); mark_buffer_uptodate(tmp, 0); bwrite(tmp); brelse(tmp); } mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); bwrite(bh); /* if (!not_data_block (bh->b_blocknr)) data_blocks_unpacked ++; */ brelse(bh); if (what_unpacked) reiserfs_bitmap_set_bit(what_unpacked, block); /*unpacked ++; */ if (!(++full_blocks_unpacked % 50)) fprintf(stderr, "."); } /* just skip bitmaps of unformatted nodes */ static void unpack_unformatted_bitmap(int dev, int blocksize) { __u16 bmap_num; __u32 block_count; int i; char *buf; fread_le16(&bmap_num); fread_le32(&block_count); buf = malloc(blocksize); if (!buf) reiserfs_panic("unpack_unformatted_bitmap: malloc failed: %m"); for (i = 0; i < bmap_num; i++) { if (fread(buf, blocksize, 1, stdin) != 1) reiserfs_panic("unpack_unformatted_bitmap: " "could not read bitmap #%d: %m", i); } free(buf); } // read packed reiserfs partition metadata from stdin void unpack_partition(int fd, int jfd) { __u32 magic32; long position; __le16 magic16; __u16 blocksize; int dev = fd; fread_le32(&magic32); if (magic32 != REISERFS_SUPER_MAGIC) die("unpack_partition: reiserfs magic number (0x%x) not found - %x\n", REISERFS_SUPER_MAGIC, magic32); fread_le16(&blocksize); if (verbose) fprintf(stderr, "Blocksize %d\n", blocksize); while (!feof(stdin)) { char c[2]; fread(c, 1, 1, stdin); switch (c[0]) { case '.': if (verbose) fprintf(stderr, "\".\" skipped\n"); continue; case '1': fread(c, 1, 1, stdin); /* that was 100%, read in first 0 */ case '2': case '4': case '6': case '8': fread(c, 1, 1, stdin); case '0': fread(c + 1, 1, 1, stdin); /* read % */ if (c[0] != '0' || c[1] != '%') die("0%% expected\n"); if (verbose) fprintf(stderr, "0%% skipped\n"); continue; } fread16(&magic16); magic16 = le16_to_cpu(magic16); switch (magic16 & 0xff) { case LEAF_START_MAGIC: leaves++; unpack_leaf(dev, code2func(magic16 >> 8), blocksize); break; case SEPARATED_JOURNAL_START_MAGIC: if (Default_journal) die("file name for separated journal has to be specified"); dev = jfd; break; case SEPARATED_JOURNAL_END_MAGIC: dev = fd; break; case FULL_BLOCK_START_MAGIC: full++; unpack_full_block(dev, blocksize); break; case UNFORMATTED_BITMAP_START_MAGIC: fprintf(stderr, "\nBitmap of unformatted - ignored\n"); unpack_unformatted_bitmap(dev, blocksize); break; case END_MAGIC: goto out; default: position = ftell(stdin); if (position == ~(long)0) die("unpack_partition: bad magic found - %x", magic16 & 0xff); else die("unpack_partition: bad magic found - %x, position %lu", magic16 & 0xff, ftell(stdin)); } } out: fprintf(stderr, "Unpacked %d leaves, %d full blocks\n", leaves, full); /* fclose (block_list); */ } int do_unpack(char *host, char *j_filename, char *filename, int verbose) { int fd, fdj = -2; struct rlimit lim = { RLIM_INFINITY, RLIM_INFINITY }; if (filename == NULL) filename = ".bitmap"; if (j_filename) Default_journal = 0; /* with this 2.4.0-test9's file_write does not send SIGXFSZ */ if (setrlimit(RLIMIT_FSIZE, &lim)) { fprintf(stderr, "sertlimit failed: %m\n"); } if (misc_device_mounted(host) > 0) { fprintf(stderr, "%s seems mounted, umount it first\n", host); return 0; } fd = open(host, O_RDWR | O_LARGEFILE); if (fd == -1) { perror("open failed"); return 0; } if (!Default_journal) { fdj = open(j_filename, O_RDWR | O_LARGEFILE); if (fdj == -1) { perror("open failed"); return 0; } } unpack_partition(fd, fdj); if (what_unpacked && filename) { FILE *file = open_file(filename, "w+"); reiserfs_bitmap_save(file, what_unpacked); close_file(file); } close(fd); if (!Default_journal) close(fdj); return 0; } reiserfsprogs-3.6.25/debugreiserfs/stat.c0000644000175000001440000001445112215632405015376 00000000000000/* * Copyright 2002-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #include #include #define obstack_chunk_alloc malloc #define obstack_chunk_free free /* try to find blocks which contain only items which are */ /* read blocks marked in debug_bitmap and collect statistic of it: number of stat data */ struct { unsigned long all; unsigned long items[5]; unsigned long unique_keys; /* keys of stat datas */ unsigned long unique_entry_keys; /* keys which appear in directory entries */ unsigned long names; /* dir entries but "." and ".." */ unsigned long dir_blocks; /* block containing only one directory item */ unsigned long unique_items; unsigned long leaves; unsigned long blocks_to_skip; } fs_stat; /* store unique item heads */ struct obstack items; /* tree sorting item heades by comp_items_1 */ void *items_tree; static int comp_items_1(const void *p1, const void *p2) { int retval; struct item_head *ih1, *ih2; /* if (*(int *)p1 != *(int *)p2) retval = 1; else retval = 0; */ retval = comp_keys(p1, p2); /*retval = comp_short_keys (p1, p2); */ if (retval) return retval; ih1 = (struct item_head *)p1; ih2 = (struct item_head *)p2; if (get_ih_item_len(ih1) < get_ih_item_len(ih2)) return -1; if (get_ih_item_len(ih1) > get_ih_item_len(ih2)) return 1; if (get_ih_entry_count(ih1) < get_ih_entry_count(ih2)) return -1; if (get_ih_entry_count(ih1) > get_ih_entry_count(ih2)) return 1; return 0; } /* static void print_node (const void *nodep, VISIT value, int level) { int i; if (value == leaf) { for (i = 0; i < level; i ++) reiserfs_warning (stdout, "\t"); reiserfs_warning (stdout, "%H\n", *(struct item_head **)nodep); return; } if (value == postorder) { for (i = 0; i < level; i ++) reiserfs_warning (stdout, "\t"); reiserfs_warning (stdout, "%H\n", *(struct item_head **)nodep); } } */ static int is_unique_item(struct obstack *ostack, void **tree, void *ih) { void *res; void *key1; key1 = obstack_copy(ostack, ih, IH_SIZE); res = tsearch(key1, tree, comp_items_1); if (!res) reiserfs_panic("Too many keys found"); /* twalk (*tree, print_node);*/ /* reiserfs_warning (stderr, "\n\n");*/ if (*(void **)res != key1) { /* key is in tree already, remove it from obstack */ /*reiserfs_warning (stdout, "%H is skipped\n", ih);fflush (stdout); */ obstack_free(ostack, key1); return 0; } /*reiserfs_warning (stdout, "%k is added\n", ih);fflush (stdout); */ return 1; } static void stat1_the_leaf(reiserfs_filsys_t fs, struct buffer_head *bh) { int i, i_num; struct item_head *ih; int is_there_unique_item; ih = item_head(bh, 0); is_there_unique_item = 0; i_num = leaf_item_number_estimate(bh); for (i = 0; i < i_num; i++, ih++) { /* count all items */ fs_stat.all++; if (is_unique_item(&items, &items_tree, ih)) { /* this is item we have not seen yet */ fs_stat.unique_items++; is_there_unique_item++; } } if (!is_there_unique_item) { /* the node contains only items we have seen already. so we will skip it */ fs_stat.blocks_to_skip++; reiserfs_bitmap_clear_bit(input_bitmap(fs), bh->b_blocknr); } else { ih = item_head(bh, 0); /* node contains at least one unique item. We will put it in, count items of each type */ for (i = 0; i < i_num; i++, ih++) { fs_stat.items[get_type(&ih->ih_key)]++; } } } /* static void stat2_the_leaf (struct buffer_head * bh) { int i; struct item_head * ih; ih = B_N_PITEM_HEAD (bh, 0); for (i = 0; i < node_item_number (bh); i ++, ih ++) { } } */ void do_stat(reiserfs_filsys_t fs) { unsigned long i; unsigned long done, total; struct buffer_head *bh; int type; FILE *fp; obstack_init(&items); items_tree = 0; /* bh = bread (fs->s_dev, 8211, fs->s_blocksize); stat1_the_leaf (fs, bh); return; */ /* pass 0 of stating */ total = reiserfs_bitmap_ones(input_bitmap(fs)); done = 0; for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!reiserfs_bitmap_test_bit(input_bitmap(fs), i)) continue; print_how_far(stderr, &done, total, 1, be_quiet(fs)); bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { printf("could not read block %lu\n", i); continue; } type = who_is_this(bh->b_data, bh->b_size); if (type != THE_LEAF && type != HAS_IH_ARRAY) { reiserfs_bitmap_clear_bit(input_bitmap(fs), i); brelse(bh); continue; } fs_stat.leaves++; stat1_the_leaf(fs, bh); brelse(bh); } reiserfs_warning(stderr, "\nThere were found on the '%s' device:\n" "\tleaves %lu\n" "\ttotal number of items %lu\n" "\tblocks containing at least one unique item %lu\n" "\tblocks which can be skipped %lu\n" "\t\tstat data %lu\n" "\t\tindirect %lu\n" "\t\tdirect %lu\n" "\t\tdirectory items %lu\n" "\tunique items %lu\n", /* "\tnames there (but \".\" and \"..\") %lu\n" "\tpointing to unique keys %lu\n" "other items %lu\n" "blocks containing only 1 dir item %lu\n", */ fs->fs_file_name, fs_stat.leaves, fs_stat.all, fs_stat.leaves - fs_stat.blocks_to_skip, fs_stat.blocks_to_skip, fs_stat.items[TYPE_STAT_DATA], fs_stat.items[TYPE_INDIRECT], fs_stat.items[TYPE_DIRECT], fs_stat.items[TYPE_DIRENTRY], fs_stat.unique_items); /* fs_stat.names, fs_stat.unique_keys, fs_stat.items [4], fs_stat.dir_blocks); */ if (!input_bitmap_file_name(fs)) return; fp = fopen(input_bitmap_file_name(fs), "w"); if (!fp) { reiserfs_exit(1, "could not open %s to save bitmap: %m\n", input_bitmap_file_name(fs)); } reiserfs_warning(stderr, "Updated bitmap contains %u blocks marked\n", reiserfs_bitmap_ones(input_bitmap(fs))); reiserfs_bitmap_save(fp, input_bitmap(fs)); fclose(fp); return; /* pass 2 of stating */ reiserfs_warning(stderr, "Looking for blocks containing only keys not pointed by any of entries\n"); total = reiserfs_bitmap_ones(input_bitmap(fs)); done = 0; for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!reiserfs_bitmap_test_bit(input_bitmap(fs), i)) continue; print_how_far(stderr, &done, total, 1, be_quiet(fs)); bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { printf("could not read block %lu\n", i); continue; } /*stat2_the_leaf (bh); */ } } reiserfsprogs-3.6.25/debugreiserfs/corruption.c0000644000175000001440000010742512215632405016633 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #include extern struct reiserfs_fsstat g_stat_info; int do_one_ih_corrupt(struct item_head *ih, unsigned int nr_bytes); int do_one_ih_random_corrupt(struct item_head *ih); void do_one_corruption_in_one_block(reiserfs_filsys_t fs, struct buffer_head *bh, char *corruption_command); int corrupt_block_header(struct block_head *blkh, unsigned int offset, unsigned int bytes); void do_one_block_random_corrupt(struct buffer_head *bh); static int str2int(char *str, int *res) { int val; char *tmp; val = (int)strtol(str, &tmp, 0); if (tmp == str) /* could not convert string into a number */ return 0; *res = val; return 1; } static int get_rand(double min, double max) { /* srand (time (0)); */ int ret; ret = (int)(min + (int)((max - min + 1) * rand() / (RAND_MAX + 1.0))); if ((ret < min) || (ret > max)) die("get_rand failed: min %d, max %d, returned %d\n", (int)min, (int)max, ret); return ret; } static void edit_journal_params(struct journal_params *jp) { char *str; size_t n; int num; printf("Journal parameters:\n"); printf("\tDevice: current: %x: new:", get_jp_journal_dev(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_dev(jp, num); printf("\tFirst block: current: %d: new:", get_jp_journal_1st_block(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_1st_block(jp, num); printf("\tSize: current: %d: new:", get_jp_journal_size(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_size(jp, num); printf("\tMagic number: current: %d: new:", get_jp_journal_magic(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_magic(jp, num); printf("\tMax transaction size: current: %d: new:", get_jp_journal_max_trans_len(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_max_trans_len(jp, num); printf("\tMax batch size: current: %d: new:", get_jp_journal_max_batch(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_max_batch(jp, num); printf("\tMax commit age: current: %d: new:", get_jp_journal_max_commit_age(jp)); getline(&str, &n, stdin); if (str2int(str, &num)) set_jp_journal_max_commit_age(jp, num); } /* this allows to edit all super block fields */ static void edit_super_block(reiserfs_filsys_t fs) { char *str; size_t n; int num; str = NULL; n = 0; /* bs_block_count */ printf("\tBlock count: current: %u: new:", get_sb_block_count(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_block_count(fs->fs_ondisk_sb, num); /* sb_free_blocks */ printf("\tFree block count: current: %u: new:", get_sb_free_blocks(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_free_blocks(fs->fs_ondisk_sb, num); /* sb_root_block */ printf("\tRoot block: current: %u: new:", get_sb_root_block(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_root_block(fs->fs_ondisk_sb, num); /* sb_journal */ edit_journal_params(sb_jp(fs->fs_ondisk_sb)); /* sb_blocksize */ printf("\tBlocksize: current: %u: new:", get_sb_block_size(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_block_size(fs->fs_ondisk_sb, num); /* sb_oid_maxsize */ printf("\tMax objectid size: current: %u: new:", get_sb_oid_maxsize(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_oid_maxsize(fs->fs_ondisk_sb, num); /* sb_oid_cursize */ printf("\tCur objectid size: current: %u: new:", get_sb_oid_cursize(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_oid_cursize(fs->fs_ondisk_sb, num); /* sb_state */ printf("\tUmount state: current: %u: new:", get_sb_umount_state(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_umount_state(fs->fs_ondisk_sb, num); /* char s_magic [10]; */ printf("\tMagic: current: \"%s\": new:", fs->fs_ondisk_sb->s_v1.s_magic); getline(&str, &n, stdin); if (strcmp(str, "\n")) strncpy(fs->fs_ondisk_sb->s_v1.s_magic, str, n > 10 ? 10 : n); /* __u16 sb_fsck_state; */ printf("\tFilesystem state: current: %u: new:", get_sb_fs_state(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_fs_state(fs->fs_ondisk_sb, num); /* __u32 sb_hash_function_code; */ printf("\tHash code: current: %u: new (tea %d, r5 %d, rupasov %d):", get_sb_hash_code(fs->fs_ondisk_sb), TEA_HASH, R5_HASH, YURA_HASH); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_hash_code(fs->fs_ondisk_sb, num); /* __u16 sb_tree_height; */ printf("\tTree height: current: %u: new:", get_sb_tree_height(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_tree_height(fs->fs_ondisk_sb, num); /* __u16 sb_bmap_nr; */ printf("\tNumber of bitmaps: current: %u: new:", get_sb_bmap_nr(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_bmap_nr(fs->fs_ondisk_sb, num); /* __u16 sb_version; */ printf("\tFilesystem format: current: %u: new:", le16_to_cpu(fs->fs_ondisk_sb->s_v1.sb_version)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_version(fs->fs_ondisk_sb, num); /* __u16 sb_reserved_for_journal; */ printf("\tSpace reserved for journal: current: %u: new:", get_sb_reserved_for_journal(fs->fs_ondisk_sb)); getline(&str, &n, stdin); if (str2int(str, &num)) set_sb_reserved_for_journal(fs->fs_ondisk_sb, num); print_block(stdout, fs, fs->fs_super_bh); if (user_confirmed(stderr, "Is this ok ? [N/Yes]: ", "Yes\n")) { mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); } } static void corrupt_clobber_hash(char *name, struct item_head *ih, struct reiserfs_de_head *deh) { printf("\tCorrupting deh_offset of entry \"%s\" of [%u %u]\n", name, get_key_dirid(&ih->ih_key), get_key_objectid(&ih->ih_key)); set_deh_offset(deh, 700); } /* this reads list of desired corruptions from stdin and perform the corruptions. Format of that list: A hash_code C name objectid - 'C'ut entry 'name' from directory item with 'objectid' H name objectid - clobber 'H'hash of entry 'name' of directory 'objectid' I item_num pos_in_item make pos_in_item-th slot of indirect item to point out of device O item_num - destroy item 'O'rder - make 'item_num'-th to have key bigger than 'item_num' + 1-th item D item_num - 'D'elete item_num-th item S item_num value - change file size (item_num-th item must be stat data) F item_num value - change sd_first_direct_byte of stat data J item_num objectid E name objectid new - change entry's deh_objectid to new P - print the block B offset bytes_to_corrupt - corrupt bytes_to_corrupt bytes in block header, start from offset */ void do_corrupt_one_block(reiserfs_filsys_t fs, char *fline) { struct buffer_head *bh; char *line = NULL; size_t n = 0; unsigned long block; block = certain_block(fs); printf("block = %lu\n", block); if (block == fs->fs_super_bh->b_blocknr) { edit_super_block(fs); return; } if (!fs->fs_bitmap2) { struct buffer_head *bm_bh; unsigned long bm_block; if (spread_bitmaps(fs)) bm_block = (block / (fs->fs_blocksize * 8)) ? (block / (fs->fs_blocksize * 8)) * (fs->fs_blocksize * 8) : fs->fs_super_bh->b_blocknr + 1; else bm_block = fs->fs_super_bh->b_blocknr + 1 + (block / (fs->fs_blocksize * 8)); bm_bh = bread(fs->fs_dev, bm_block, fs->fs_blocksize); if (bm_bh) { if (misc_test_bit ((block % (fs->fs_blocksize * 8)), bm_bh->b_data)) fprintf(stderr, "%lu is used in ondisk bitmap\n", block); else fprintf(stderr, "%lu is free in ondisk bitmap\n", block); brelse(bm_bh); } } else { if (reiserfs_bitmap_test_bit(fs->fs_bitmap2, block)) fprintf(stderr, "%lu is used in ondisk bitmap\n", block); else fprintf(stderr, "%lu is free in ondisk bitmap\n", block); } /* READ block */ bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { printf("corrupt_one_block: bread fialed\n"); return; } if (who_is_this(bh->b_data, fs->fs_blocksize) != THE_LEAF) { printf("Can not corrupt not a leaf node\n"); brelse(bh); return; } printf("Corrupting block %lu..\n", bh->b_blocknr); if (data(fs)->log_file_name) { printf("Log file : %s\n", data(fs)->log_file_name); } else { printf("No Log file specified\n"); } if (fline != NULL) { do_one_corruption_in_one_block(fs, bh, fline); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "%lu\n", block); fprintf(data(fs)->log, "%s\n", fline); } } else { /* Get list of corruptions from stdin */ while (getline(&line, &n, stdin) != -1) { if (line[0] == '\n') { free(line); line = NULL; n = 0; break; } do_one_corruption_in_one_block(fs, bh, line); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "%lu\n", block); fprintf(data(fs)->log, "%s\n", line); } free(line); line = NULL; n = 0; } } printf("Done\n"); bwrite(bh); brelse(bh); return; } void do_one_corruption_in_one_block(reiserfs_filsys_t fs, struct buffer_head *bh, char *corruption_command) { int i, j; struct item_head *ih; int item_num; int item_numbers; int bytes_to_corrupt; char code, name[100]; __u32 objectid, new_objectid; int value; int hash_code; unsigned int pos_in_item; int type, format; printf("corruption_command : %s", corruption_command); switch (corruption_command[0]) { case '#': case '\n': break; case '?': printf("A hash_code - reset hAsh code in super block\n" "T item_num type (0, 1, 2, 3) format (0, 1)\n" "C name objectid - Cut entry 'name' from directory item with 'objectid'\n" "H name objectid - clobber Hash of entry 'name' of directory 'objectid'\n" "I item_num pos_in_item make pos_in_tem-th slot of Indirect item to point out of device\n" "O item_num - destroy item Order - make 'item_num'-th to have key bigger than 'item_num' + 1-th item\n" "D item_num - Delete item_num-th item\n" "S item_num value - change file Size (item_num-th item must be stat data)\n" "F item_num value - change sd_First_direct_byte of stat data\n" "J item_num objectid - set 'obJectid' of 'item_num'-th item\n" "E name objectid objectid - set deh_objectid of an entry to objectid\n" "N item_numbers bytes_to_corrupt - corrupt bytes_to_corrupt in number of bytes in item_numbers items\n" "B offset bytes_to_corrupt - corrupt bytes_to_corrupt in block_header, start corruption from offset\n"); break; case 'P': print_block(stderr, fs, bh, 3, -1, -1); break; case 'A': /* corrupt hash record in super block */ if (sscanf(corruption_command, "%c %d\n", &code, &hash_code) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } reiserfs_warning(stderr, "Changing %s to %s\n", code2name(get_sb_hash_code(fs->fs_ondisk_sb)), code2name(hash_code)); set_sb_hash_code(fs->fs_ondisk_sb, hash_code); break; case 'C': /* cut entry */ case 'H': /* make hash wrong */ if (sscanf (corruption_command, "%c %s %u\n", &code, name, &objectid) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { struct reiserfs_de_head *deh; /* look for property objectid */ if (get_key_objectid(&ih->ih_key) != objectid || !is_direntry_ih(ih)) continue; deh = B_I_DEH(bh, ih); for (j = 0; j < get_ih_entry_count(ih); j++, deh++) { /* look for proper entry */ if (name_in_entry_length(ih, deh, j) == (int)strlen(name) && !strncmp(name, name_in_entry(deh, j), strlen(name))) break; } if (j == get_ih_entry_count(ih)) { printf("Can't find entry %s\n", name); exit(1); } switch (code) { case 'H': /* clobber hash */ corrupt_clobber_hash(name, ih, deh); break; case 'C': /* cut entry */ cut_entry(fs, bh, i, j, 1); break; default: printf("Unknown command found\n"); } } if (!B_IS_IN_TREE(bh)) { printf("NOTE: block is deleted from the tree\n"); exit(0); } break; case 'E': /* set objectid : used to simulate objectid sharing problem */ if (sscanf (corruption_command, "%c %s %u %d\n", &code, name, &objectid, &new_objectid) != 4) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } ih = item_head(bh, 0); for (i = 0; i < get_blkh_nr_items(B_BLK_HEAD(bh)); i++, ih++) { struct reiserfs_de_head *deh; /* look for property objectid */ if (get_key_objectid(&ih->ih_key) != objectid || !is_direntry_ih(ih)) continue; deh = B_I_DEH(bh, ih); set_deh_objectid(deh, new_objectid); break; } break; case 'T': /* set type of item */ if (sscanf (corruption_command, "%c %d %d %d\n", &code, &item_num, &type, &format) != 4) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } ih = item_head(bh, item_num); set_ih_key_format(ih, format); set_type(format, &ih->ih_key, type); break; case 'J': /* set objectid : used to simulate objectid sharing problem */ if (sscanf (corruption_command, "%c %d %d\n", &code, &item_num, &objectid) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } ih = item_head(bh, item_num); set_key_objectid(&ih->ih_key, objectid); break; case 'I': /* break unformatted node pointer */ if (sscanf (corruption_command, "%c %d %u\n", &code, &item_num, &pos_in_item) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } ih = item_head(bh, item_num); if (!is_indirect_ih(ih) || pos_in_item >= I_UNFM_NUM(ih)) { reiserfs_warning(stderr, "Not an indirect item or there is " "not so many unfm ptrs in it\n"); return; } d32_put((__le32 *) ih_item_body(bh, ih), pos_in_item, get_sb_block_count(fs->fs_ondisk_sb) + 100); break; case 'D': /* delete item */ if (sscanf(corruption_command, "%c %d\n", &code, &item_num) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } delete_item(fs, bh, item_num); break; case 'O': /* make item out of order */ { struct reiserfs_key *key; if (sscanf (corruption_command, "%c %d\n", &code, &item_num) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } /* destroy item order */ if (item_num == get_blkh_nr_items(B_BLK_HEAD(bh)) - 1) { printf("can not destroy order\n"); return; } ih = item_head(bh, item_num); key = &(ih + 1)->ih_key; set_key_dirid(&ih->ih_key, get_key_dirid(key) + 1); break; } case 'S': /* corrupt st_size */ { /* fixme: old stat data only */ struct stat_data_v1 *sd; if (sscanf (corruption_command, "%c %d %d\n", &code, &item_num, &value) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } ih = item_head(bh, item_num); sd = (struct stat_data_v1 *)ih_item_body(bh, ih); reiserfs_warning(stderr, "Changing sd_size of %k from %d to %d\n", &ih->ih_key, sd_v1_size(sd), value); set_sd_v1_size(sd, value); break; } case 'F': /* st_first_direct_byte */ { /* fixme: old stat data only */ struct stat_data_v1 *sd; if (sscanf (corruption_command, "%c %d %d\n", &code, &item_num, &value) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_num > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf("Wrong format \'%c\', wrong item_num \n", corruption_command[0]); return; } ih = item_head(bh, item_num); sd = (struct stat_data_v1 *)ih_item_body(bh, ih); reiserfs_warning(stderr, "Changing sd_first_direct_byte of %k from %d to %d\n", &ih->ih_key, sd_v1_first_direct_byte(sd), value); set_sd_v1_first_direct_byte(sd, value); break; } case 'N': /* corrupt N number of items */ if (sscanf(corruption_command, "%c %d %d\n", &code, &item_numbers, &bytes_to_corrupt) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } if (item_numbers > get_blkh_nr_items(B_BLK_HEAD(bh))) { printf ("Wrong item_numbers %d expected not more then %d\n", item_numbers, get_blkh_nr_items(B_BLK_HEAD(bh))); return; } for (i = 0; i < item_numbers; i++) { printf("Do corruptions : %d item header; \n", i); ih = item_head(bh, i); do_one_ih_corrupt(ih, bytes_to_corrupt); printf("Ok\n"); } break; case 'B': { struct block_head *blkh; unsigned int offset; if (sscanf(corruption_command, "%c %d %d\n", &code, &offset, &bytes_to_corrupt) != 3) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } blkh = B_BLK_HEAD(bh); corrupt_block_header(blkh, offset, bytes_to_corrupt); break; } default: printf("Unknown command found\n"); } mark_buffer_dirty(bh); return; } /* corrupt first nr_bytes bytes in item header */ int do_one_ih_corrupt(struct item_head *ih, unsigned int nr_bytes) { if (nr_bytes > IH_SIZE) { printf("Bad byte number %u expected not more then %lu\n", nr_bytes, (unsigned long)IH_SIZE); exit(1); } if (memset((char *)ih, 0, nr_bytes) != ih) { perror("do_one_ih_corrupt: memset failed"); exit(1); } if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "\tfirst %u bytes corrupted\n", nr_bytes); printf("\tfirst %u bytes corrupted\n", nr_bytes); return 0; } /* item header random corruption */ int do_one_ih_random_corrupt(struct item_head *ih) { unsigned int i; unsigned int from; unsigned int count; from = get_rand(0, IH_SIZE - 1); count = get_rand(1, IH_SIZE); if (from + count > IH_SIZE) count = IH_SIZE - from; for (i = from; i < from + count; i++) ((char *)ih)[i] = get_rand(0, 255); if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "\tfrom %u ( %u )\n", from, count); printf("\tfrom %u ( %u )\n", from, count); return 0; } /* Corrupt n bytes in block header */ int corrupt_block_header(struct block_head *blkh, unsigned int offset, unsigned int bytes) { if ((offset + bytes) > BLKH_SIZE) { printf ("Bad offset number: %u or bad bytes number: %u, the suumary " "value expected not more then %lu\n", offset, bytes, (unsigned long)BLKH_SIZE); exit(1); } if (memset((char *)blkh, 0, bytes) != blkh) { perror("corrupt_block_head: memset failed"); exit(1); } printf("offset : %u, corrupt %u bytes\n", offset, bytes); return 0; } /* corrupt random number of bytes within block header started from random offset */ static void do_one_blkh_random_corrupt(struct buffer_head *bh) { struct block_head *blkh; unsigned int from; unsigned int count; unsigned int i; from = get_rand(0, BLKH_SIZE - 1); count = get_rand(1, BLKH_SIZE); blkh = B_BLK_HEAD(bh); if (from + count > BLKH_SIZE) count = BLKH_SIZE - from; for (i = from; i < from + count; i++) ((char *)blkh)[i] = get_rand(0, 255); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "# : %lu # ", bh->b_blocknr); fprintf(data(fs)->log, "from %u (%u)\n", from, count); } printf("# : %lu # ", bh->b_blocknr); printf("from %u (%u)\n", from, count); } void do_leaves_corruption(reiserfs_filsys_t fs, unsigned long nr_leaves_cr) { struct buffer_head *bh; unsigned long nr_leaves = 0; unsigned int i, should_be_corrupted; srand(time(NULL)); printf("%lu leaves will be corrupted\n", nr_leaves_cr); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "Block headers in %lu leaves will be corrupted\n", nr_leaves_cr); } if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); for (i = 0; (i < get_sb_block_count(fs->fs_ondisk_sb)) && nr_leaves < nr_leaves_cr; i++) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } if (who_is_this(bh->b_data, bh->b_size) != THE_LEAF) { brelse(bh); continue; } if ((!is_leaf_node(bh)) || (block_of_journal(fs, i))) { brelse(bh); continue; } should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) { brelse(bh); continue; } do_one_blkh_random_corrupt(bh); /* do_one_block_random_corrupt (bh); */ mark_buffer_dirty(bh); bwrite(bh); brelse(bh); nr_leaves++; } if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "%lu leaves WERE corrupted\n", nr_leaves); } printf("%lu leaves WERE corrupted\n", nr_leaves); reiserfs_close_ondisk_bitmap(fs); return; } void do_one_block_random_corrupt(struct buffer_head *bh) { unsigned int from = get_rand(0, bh->b_size - 1); unsigned int count = get_rand(1, bh->b_size); unsigned int i; if (from + count > bh->b_size) count = bh->b_size - from; for (i = from; i < from + count; i++) ((char *)bh->b_data)[i] = get_rand(0, 255); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "# block %lu: ", bh->b_blocknr); fprintf(data(fs)->log, "from %u ( %u )\n", from, count); } printf("# block %lu: ", bh->b_blocknr); printf("from %u ( %u )\n", from, count); } void do_bitmap_corruption(reiserfs_filsys_t fs) { unsigned long first = fs->fs_super_bh->b_blocknr + 1; unsigned long nr_bitmap_to_corrupt; unsigned long block; struct buffer_head *bh; unsigned int i; nr_bitmap_to_corrupt = (unsigned long)get_rand(1, reiserfs_fs_bmap_nr(fs) - 1); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "%lu bitmaps will be corrupted\n", nr_bitmap_to_corrupt); } printf("%lu bitmaps will be corrupted\n", nr_bitmap_to_corrupt); for (i = 0; i < nr_bitmap_to_corrupt; i++) { block = (i == 0) ? first : fs->fs_blocksize * 8 * i; bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) { printf ("do_bitmap_corruption: bread failed for bitmap %d: %lu\n", i, block); exit(1); } do_one_block_random_corrupt(bh); mark_buffer_dirty(bh); bwrite(bh); brelse(bh); } } /* corrupt the random number of item headers in random number of leaves */ static void do_ih_random_corrupt(reiserfs_filsys_t fs, unsigned long nr_leaves_cr) { unsigned int nr_ih_cr; unsigned int i, j; struct buffer_head *bh; struct item_head *ih; unsigned long nr_leaves = 0; unsigned int should_be_corrupted = 0; srand(time(NULL)); printf("item headers in %lu leaves will be corrupted\n", nr_leaves_cr); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "item headers in %lu leaves will be corrupted\n", nr_leaves_cr); } if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); for (i = 0; (i < get_sb_block_count(fs->fs_ondisk_sb)) && nr_leaves < nr_leaves_cr; i++) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } if (who_is_this(bh->b_data, bh->b_size) != THE_LEAF) { brelse(bh); continue; } if ((!is_leaf_node(bh)) || (block_of_journal(fs, i))) { brelse(bh); continue; } should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) { brelse(bh); continue; } nr_ih_cr = get_rand(1, get_blkh_nr_items(B_BLK_HEAD(bh))); for (j = 0; j < nr_ih_cr; j++) { should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) continue; if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "# block %lu , item header %d\n", bh->b_blocknr, j); printf("# block %lu , item header %d\n", bh->b_blocknr, j); ih = item_head(bh, j); do_one_ih_random_corrupt(ih); } mark_buffer_dirty(bh); bwrite(bh); brelse(bh); nr_leaves++; } if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "item headers in %lu leaves WERE corrupted\n", nr_leaves); printf("item headers in %lu leaves WERE corrupted\n", nr_leaves); reiserfs_close_ondisk_bitmap(fs); } /* corrupt item */ static void do_one_item_random_corrupt(struct buffer_head *bh, struct item_head *ih) { unsigned int i; unsigned int from; unsigned int count; char *p; p = (char *)ih_item_body(bh, ih); from = get_rand(0, get_ih_item_len(ih) - 1); count = get_rand(1, get_ih_item_len(ih)); if (from + count > get_ih_item_len(ih)) count = get_ih_item_len(ih) - from; for (i = from; i < from + count; i++) ((char *)p)[i] = get_rand(0, 255); if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "item body \tfrom %u ( %u )\n", from, count); printf("item body \tfrom %u ( %u )\n", from, count); return; } /* corrupt the random number of directory items in random number of leaves */ static void do_dir_random_corrupt(reiserfs_filsys_t fs, unsigned long nr_leaves_cr) { unsigned int nr_ih_cr; unsigned int i, j; struct buffer_head *bh; struct item_head *ih; unsigned long nr_leaves = 0; unsigned int should_be_corrupted = 0; srand(time(NULL)); printf("DIR items in %lu leaves will be corrupted\n", nr_leaves_cr); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "DIR items in %lu leaves will be corrupted\n", nr_leaves_cr); } if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); for (i = 0; (i < get_sb_block_count(fs->fs_ondisk_sb)) && nr_leaves < nr_leaves_cr; i++) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } if (who_is_this(bh->b_data, bh->b_size) != THE_LEAF) { brelse(bh); continue; } if ((!is_leaf_node(bh)) || (block_of_journal(fs, i))) { brelse(bh); continue; } should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) { brelse(bh); continue; } /* get next item, look is it a DIR */ nr_ih_cr = get_rand(1, get_blkh_nr_items(B_BLK_HEAD(bh))); for (j = 0; j < nr_ih_cr; j++) { should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) continue; if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "# block %lu , item %d\n", bh->b_blocknr, j); printf("# block %lu , item %d\n", bh->b_blocknr, j); ih = item_head(bh, j); if (get_type(&ih->ih_key) != TYPE_DIRENTRY) continue; do_one_item_random_corrupt(bh, ih); } mark_buffer_dirty(bh); bwrite(bh); brelse(bh); nr_leaves++; } if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "DIR items in %lu leaves WERE corrupted\n", nr_leaves); printf("DIR items in %lu leaves WERE corrupted\n", nr_leaves); reiserfs_close_ondisk_bitmap(fs); } /* corrupt the random number of stat data items in random number of leaves */ static void do_sd_random_corrupt(reiserfs_filsys_t fs, unsigned long nr_leaves_cr) { unsigned int nr_ih_cr; unsigned int i, j; struct buffer_head *bh; struct item_head *ih; unsigned long nr_leaves = 0; unsigned int should_be_corrupted = 0; srand(time(NULL)); printf("SD items in %lu leaves will be corrupted\n", nr_leaves_cr); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "SD items in %lu leaves will be corrupted\n", nr_leaves_cr); } if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); for (i = 0; (i < get_sb_block_count(fs->fs_ondisk_sb)) && nr_leaves < nr_leaves_cr; i++) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } if (who_is_this(bh->b_data, bh->b_size) != THE_LEAF) { brelse(bh); continue; } if ((!is_leaf_node(bh)) || (block_of_journal(fs, i))) { brelse(bh); continue; } should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) { brelse(bh); continue; } /* get next item, look is it a SD */ nr_ih_cr = get_rand(1, get_blkh_nr_items(B_BLK_HEAD(bh))); for (j = 0; j < nr_ih_cr; j++) { should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) continue; if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "# block %lu , item %d\n", bh->b_blocknr, j); printf("# block %lu , item %d\n", bh->b_blocknr, j); ih = item_head(bh, j); if (get_type(&ih->ih_key) != TYPE_STAT_DATA) continue; do_one_item_random_corrupt(bh, ih); } mark_buffer_dirty(bh); bwrite(bh); brelse(bh); nr_leaves++; } if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "SD items in %lu leaves WERE corrupted\n", nr_leaves); printf("SD items in %lu leaves WERE corrupted\n", nr_leaves); reiserfs_close_ondisk_bitmap(fs); } /* corrupt the random number of indierct items in random number of leaves */ static void do_ind_random_corrupt(reiserfs_filsys_t fs, unsigned long nr_leaves_cr) { unsigned int nr_ih_cr; unsigned int i, j; struct buffer_head *bh; struct item_head *ih; unsigned long nr_leaves = 0; unsigned int should_be_corrupted = 0; srand(time(NULL)); printf("IND items in %lu leaves will be corrupted\n", nr_leaves_cr); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "IND items in %lu leaves will be corrupted\n", nr_leaves_cr); } if (reiserfs_open_ondisk_bitmap(fs) < 0) reiserfs_exit(1, "Could not open ondisk bitmap"); for (i = 0; (i < get_sb_block_count(fs->fs_ondisk_sb)) && nr_leaves < nr_leaves_cr; i++) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "could not read block %lu\n", i); continue; } if (who_is_this(bh->b_data, bh->b_size) != THE_LEAF) { brelse(bh); continue; } if ((!is_leaf_node(bh)) || (block_of_journal(fs, i))) { brelse(bh); continue; } should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) { brelse(bh); continue; } /* get next item, look is it an IND */ nr_ih_cr = get_rand(1, get_blkh_nr_items(B_BLK_HEAD(bh))); for (j = 0; j < nr_ih_cr; j++) { should_be_corrupted = (unsigned int)get_rand((double)0, (double)1); if (should_be_corrupted == 0) continue; ih = item_head(bh, j); if (get_type(&ih->ih_key) != TYPE_INDIRECT) continue; if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "# block %lu , item %d\n", bh->b_blocknr, j); printf("# block %lu , item %d\n", bh->b_blocknr, j); do_one_item_random_corrupt(bh, ih); } mark_buffer_dirty(bh); bwrite(bh); brelse(bh); nr_leaves++; } if ((data(fs)->log_file_name) && (data(fs)->log)) fprintf(data(fs)->log, "IND items in %lu leaves WERE corrupted\n", nr_leaves); printf("IND items in %lu leaves WERE corrupted\n", nr_leaves); reiserfs_close_ondisk_bitmap(fs); } /* this reads list of desired corruptions from stdin and performs the corruptions. Format of that list: B - the random number of bitmap to be corrupted L nr_leaves - block headers in nr_leaves leaves to be corupted H nr_leaves - the random number of item headers in nr_leaves to be corrupted S nr_leaves - the random number of stat data items in nr_leaves to be corrupted D nr_leaves - the random number of directory items in nr_leaves to be corrupted I nr_leaves - the random number of indirect items in nr_leaves to be corrupted */ static void what_to_corrupt(reiserfs_filsys_t fs, char *corruption_command) { unsigned long nr_leaves_cr; char code; switch (corruption_command[0]) { case 'B': /* bitmap */ do_bitmap_corruption(fs); break; case 'L': /* leaves */ if (sscanf(corruption_command, "%c %lu\n", &code, &nr_leaves_cr) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } do_leaves_corruption(fs, nr_leaves_cr); break; case 'H': /* item headers */ if (sscanf(corruption_command, "%c %lu\n", &code, &nr_leaves_cr) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } do_ih_random_corrupt(fs, nr_leaves_cr); break; case 'D': /* directory items */ if (sscanf(corruption_command, "%c %lu\n", &code, &nr_leaves_cr) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } do_dir_random_corrupt(fs, nr_leaves_cr); break; case 'S': /* stat data items */ if (sscanf(corruption_command, "%c %lu\n", &code, &nr_leaves_cr) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } do_sd_random_corrupt(fs, nr_leaves_cr); break; case 'I': /* indirect items */ if (sscanf(corruption_command, "%c %lu\n", &code, &nr_leaves_cr) != 2) { printf("Wrong format \'%c\'\n", corruption_command[0]); return; } do_ind_random_corrupt(fs, nr_leaves_cr); break; default: printf("Unknown command specified\n"); } } void do_fs_random_corrupt(reiserfs_filsys_t fs) { char *line = NULL; size_t n = 0; printf("Corrupting fs. Please insert one of the following command\n" " B - the random number of bitmap to be corrupted\n" " L nr_leaves - block headers in nr_leaves leaves to be corupted\n" " H nr_leaves - the random number of item headers in nr_leaves to be corrupted\n" " S nr_leaves - the random number of stat data items in nr_leaves to be corrupted\n" " D nr_leaves - the random number of directory items in nr_leaves to be corrupted\n" " I nr_leaves - the random number of indirect items in nr_leaves to be corrupted\n" ".. ->\n"); /* Get list of corruptions from stdin */ while (getline(&line, &n, stdin) != -1) { if (line[0] == '\n') { free(line); line = NULL; n = 0; break; } printf("################## command : %s", line); if ((data(fs)->log_file_name) && (data(fs)->log)) { fprintf(data(fs)->log, "################## command : %s", line); } what_to_corrupt(fs, line); free(line); line = NULL; n = 0; } } /* Local variables: c-indentation-style: "K&R" mode-name: "LC" c-basic-offset: 4 tab-width: 4 fill-column: 80 End: */ reiserfsprogs-3.6.25/debugreiserfs/scan.c0000644000175000001440000006434112310423334015345 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #include #include #include #define obstack_chunk_alloc malloc #define obstack_chunk_free free /* -n pattern scans the area (on-disk bitmap, or all the device or extern bitmap) and looks for every name matching the pattern. All those names get stored in 'name_store' and are indexed by name (name_index) and by a key they point to (key_index) */ struct obstack name_store; struct obstack item_store; int saved_names; int saved_items; int skipped_names; void *key_index; void *name_index; regex_t pattern; struct saved_name { unsigned int dirid; /* pointed object */ unsigned int objectid; struct saved_name *first_name; /* pointer to name which points to the same object and contains list of file items */ unsigned int parent_dirid; /* parent directory */ unsigned int parent_objectid; unsigned long block; /* where we saw the name for the first time */ unsigned short count; /* how many times the name appeared */ void *items; struct saved_name *name_next; /* list of identical names */ unsigned short name_len; char name[1]; }; /* attach item to every name in the list */ static void store_item(struct saved_name *name, const struct buffer_head *bh, const struct item_head *ih, int pos) { struct saved_item *new; void *vp; struct saved_item *item_in; new = obstack_alloc(&item_store, sizeof(struct saved_item)); new->si_ih = *ih; new->si_block = bh->b_blocknr; new->si_item_num = ih - item_head(bh, 0); new->si_next = 0; new->si_entry_pos = pos; vp = tfind(new, &name->items, comp_keys); if (vp) { item_in = *(void **)vp; /* add item to the end of list of items having this key */ while (1) { if (!item_in->si_next) { item_in->si_next = new; break; } item_in = item_in->si_next; } } else tsearch(new, &name->items, comp_keys); saved_items++; } static int comp_names(const void *p1, const void *p2) { struct saved_name *name1, *name2; name1 = (struct saved_name *)p1; name2 = (struct saved_name *)p2; return strcmp(name1->name, name2->name); } static int comp_pointed(const void *p1, const void *p2) { struct saved_name *name1, *name2; name1 = (struct saved_name *)p1; name2 = (struct saved_name *)p2; return comp_short_keys(&name1->dirid, &name2->dirid); } /* we consider name found only if it points to the same object and from the same directory */ static int name_found(struct saved_name *name, struct saved_name **name_in) { void *vp; struct saved_name *cur; vp = tfind(name, &name_index, comp_names); if (!vp) { *name_in = 0; return 0; } *name_in = *(void **)vp; /* check every name in the list */ cur = *name_in; while (cur) { if (!not_of_one_file(&name->dirid, &cur->dirid) && !not_of_one_file(&name->parent_dirid, &cur->parent_dirid)) { cur->count++; *name_in = cur; return 1; } cur = cur->name_next; } return 0; } /* add key name is pointing to to the index of keys. If there was already name pointing to this key - add pointer to that name */ static void add_key(struct saved_name *name) { void *vp; vp = tfind(name, &key_index, comp_pointed); if (vp) { /* */ name->first_name = *(void **)vp; } else { tsearch(name, &key_index, comp_pointed); } } static void add_name(struct saved_name *name, struct saved_name *name_in) { if (name_in) { /* add name to the end of list of identical names */ while (1) { if (!name_in->name_next) { name_in->name_next = name; break; } name_in = name_in->name_next; } } else { /* add name into name index */ tsearch(name, &name_index, comp_names); } } /* take each name matching to a given pattern, */ static void scan_for_name(struct buffer_head *bh) { int i, j, i_num; struct item_head *ih; struct reiserfs_de_head *deh; int namelen; char *name; struct saved_name *new, *name_in; char ch; int retval; int min_entry_size = 1; int ih_entry_count = 0; ih = item_head(bh, 0); i_num = leaf_item_number_estimate(bh); for (i = 0; i < i_num; i++, ih++) { if (!is_direntry_ih(ih)) continue; if (is_it_bad_item(fs, ih, ih_item_body(bh, ih), 0, 1)) continue; deh = B_I_DEH(bh, ih); if ((get_ih_entry_count(ih) > (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size))) || (get_ih_entry_count(ih) == 0)) ih_entry_count = get_ih_item_len(ih) / (DEH_SIZE + min_entry_size); else ih_entry_count = get_ih_entry_count(ih); for (j = 0; j < ih_entry_count; j++, deh++) { name = name_in_entry(deh, j); namelen = name_in_entry_length(ih, deh, j); ch = name[namelen]; name[namelen] = 0; retval = regexec(&pattern, name, 0, NULL, 0); name[namelen] = ch; if (retval != 0) continue; /* name matching given pattern found */ new = obstack_alloc(&name_store, sizeof(struct saved_name) + namelen); /* pointed object */ new->dirid = get_deh_dirid(deh); new->objectid = get_deh_objectid(deh); /* pointer to first name which points the same key */ new->first_name = 0; /* where this name is from */ new->parent_dirid = get_key_dirid(&ih->ih_key); new->parent_objectid = get_key_objectid(&ih->ih_key); new->block = bh->b_blocknr; new->count = 1; new->items = 0; /* name */ new->name_len = namelen; memcpy(new->name, name, namelen); new->name[namelen] = 0; new->name_next = 0; /* reiserfs_warning (stdout, "\n(%K):%s-->(%K) - ", &new->parent_dirid, new->name, &new->dirid); */ if (name_found(new, &name_in)) { /* there was already exactly this name */ obstack_free(&name_store, new); continue; } saved_names++; add_name(new, name_in); add_key(new); } /* for each entry */ } /* for each item */ return; } static struct saved_name *scan_for_key(const struct reiserfs_key *key) { char *name; struct saved_name *new, *name_in; asprintf(&name, "%u_%u", get_key_dirid(key), get_key_objectid(key)); new = obstack_alloc(&name_store, sizeof(struct saved_name) + strlen(name)); /* pointed object */ new->dirid = get_key_dirid(key); new->objectid = get_key_objectid(key); /* pointer to first name which points the same key */ new->first_name = 0; /* where this name is from */ new->parent_dirid = 0; new->parent_objectid = 0; new->block = 0; new->count = 1; new->items = 0; /* name */ new->name_len = strlen(name); memcpy(new->name, name, new->name_len); new->name[new->name_len] = 0; new->name_next = 0; free(name); if (name_found(new, &name_in)) { /* there was already exactly this name */ obstack_free(&name_store, new); return name_in; } saved_names++; add_name(new, name_in); return new; } static int comp_token_key(const struct buffer_head *bh, const struct item_head *ih, const struct reiserfs_key *key) { struct reiserfs_de_head *deh; int j, ih_entry_count = 0; int min_entry_size = 1; if ((get_key_dirid(&ih->ih_key) == get_key_dirid(key) || get_key_dirid(key) == ~(__u32) 0) && (get_key_objectid(&ih->ih_key) == get_key_objectid(key) || get_key_objectid(key) == ~(__u32) 0)) return -1; if (!is_direntry_ih(ih)) return 0; deh = B_I_DEH(bh, ih); if ((get_ih_entry_count(ih) > (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size))) || (get_ih_entry_count(ih) == 0)) ih_entry_count = get_ih_item_len(ih) / (DEH_SIZE + min_entry_size); else ih_entry_count = get_ih_entry_count(ih); for (j = 0; j < ih_entry_count; j++, deh++) { if ((get_deh_dirid(deh) == get_key_dirid(key) || (int)get_key_dirid(key) == -1) && (get_deh_objectid(deh) == get_key_objectid(key) || (int)get_key_objectid(key) == -1)) { return j; } } return 0; } /* take every item, look for its key in the key index, if it is found - store item in the sorted list of items of a file */ static void scan_items(const struct buffer_head *bh, const struct reiserfs_key *key) { int i, i_num, pos; struct item_head *ih; struct saved_name *name_in_store; void *res; ih = item_head(bh, 0); i_num = leaf_item_number_estimate(bh); for (i = 0; i < i_num; i++, ih++) { if (key) { if (!(pos = comp_token_key(bh, ih, key))) continue; name_in_store = scan_for_key(&ih->ih_key); } else { if (! (res = tfind(&ih->ih_key, &key_index, comp_pointed))) continue; /* name pointing to this key found */ name_in_store = *(struct saved_name **)res; pos = -1; } store_item(name_in_store, bh, ih, pos); } } /* FIXME: does not work for long files */ struct version { int flag; /* direct or indirect */ int len; __u32 from; int count; void *data; }; struct tail { __u32 offset; int len; char *data; }; struct file_map { int head_len; /* number of unfm pointers */ void *head; int tail_nr; /* number of tails found */ struct tail *tails; int version_nr; void *versions; /* list of range versions */ }; struct file_map map; static int have_to_append(struct item_head *ih) { loff_t off = get_offset(&ih->ih_key); if (is_indirect_ih(ih)) { if (map.head_len * fs->fs_blocksize + 1 <= off) return 1; return 0; } else if (is_direct_ih(ih)) { int i; __u32 tail_start; tail_start = (off & ~(fs->fs_blocksize - 1)) + 1; // find correct tail first for (i = 0; i < map.tail_nr; i++) { if (map.tails[i].offset == tail_start) { if (map.tails[i].offset + map.tails[i].len <= off) return 1; return 0; } } // there was no this tail yet return 1; } return 0; } static void do_append(struct item_head *ih, void *data) { int i; int padd; unsigned long long off = get_offset(&ih->ih_key); if (is_indirect_ih(ih)) { padd = (off - 1) / fs->fs_blocksize - map.head_len; map.head = realloc(map.head, (map.head_len + padd + I_UNFM_NUM(ih)) * 4); if (!map.head) reiserfs_panic("realloc failed"); memset((char *)map.head + map.head_len * 4, 0, padd * 4); memcpy((char *)map.head + (map.head_len + padd) * 4, data, get_ih_item_len(ih)); map.head_len += (padd + I_UNFM_NUM(ih)); } else if (is_direct_ih(ih)) { unsigned int tail_start, skip; // find correct tail first tail_start = (off & ~(fs->fs_blocksize - 1)) + 1; skip = (off - 1) & (fs->fs_blocksize - 1); for (i = 0; i < map.tail_nr; i++) { if (map.tails[i].offset == tail_start) { map.tails[i].data = realloc(map.tails[i].data, off - tail_start + get_ih_item_len (ih)); if (!map.tails[i].data) reiserfs_panic("realloc failed"); padd = skip - map.tails[i].len; memset(map.tails[i].data + map.tails[i].len, 0, padd); memcpy(map.tails[i].data + map.tails[i].len + padd, data, get_ih_item_len(ih)); map.tails[i].len += (padd + get_ih_item_len(ih)); return; } } // allocate memory for new tail map.tails = realloc(map.tails, (map.tail_nr + 1) * sizeof(struct tail)); if (!map.tails) reiserfs_panic("realloc failed"); map.tails[map.tail_nr].offset = off; map.tails[map.tail_nr].len = skip + get_ih_item_len(ih); map.tails[map.tail_nr].data = malloc(map.tails[map.tail_nr].len); memset(map.tails[map.tail_nr].data, 0, skip); memcpy(map.tails[map.tail_nr].data + skip, data, get_ih_item_len(ih)); map.tail_nr++; } } // map contains static void do_overwrite(struct item_head *ih, void *data) { unsigned long long off, skip; int to_compare, to_append; struct item_head tmp_ih; char *p; off = get_offset(&ih->ih_key); if (is_indirect_ih(ih)) { skip = (off - 1) / fs->fs_blocksize; to_compare = (map.head_len - skip > I_UNFM_NUM(ih)) ? I_UNFM_NUM(ih) : (map.head_len - skip); to_append = I_UNFM_NUM(ih) - to_compare; p = (char *)map.head + skip * 4; if (memcmp(p, data, to_compare * 4)) reiserfs_warning(stderr, "overwrite (indirect): %H contains different data\n", ih); if (to_append) { tmp_ih = *ih; set_ih_item_len(&tmp_ih, get_ih_item_len(ih) - to_compare * 4); set_offset(key_format(&ih->ih_key), &tmp_ih.ih_key, off + to_compare * fs->fs_blocksize); do_append(&tmp_ih, (char *)data + to_compare * 4); } } else if (is_direct_ih(ih)) { unsigned int tail_start; int i; // find correct tail first tail_start = (off & ~(fs->fs_blocksize - 1)) + 1; for (i = 0; i < map.tail_nr; i++) { if (map.tails[i].offset == tail_start) { // ih is a part of this tail skip = (off - 1) & (fs->fs_blocksize - 1); to_compare = (map.tails[i].len - skip > get_ih_item_len(ih) ? get_ih_item_len(ih) : map.tails[i].len - skip); to_append = get_ih_item_len(ih) - to_compare; p = (char *)map.tails[i].data + skip; if (memcmp(p, data, to_compare)) reiserfs_warning(stderr, "overwrite (direct): %H contains different data\n", ih); if (to_append) { tmp_ih = *ih; set_ih_item_len(&tmp_ih, get_ih_item_len(ih) - to_compare); set_offset(key_format(&ih->ih_key), &tmp_ih.ih_key, off + to_compare); do_append(&tmp_ih, (char *)data + to_compare); } return; } } reiserfs_panic("no appropriate tail found"); } } static void map_one_item(struct saved_item *item) { struct buffer_head *bh; struct item_head *ih; void *data; // read the block containing the item bh = bread(fs->fs_dev, item->si_block, fs->fs_blocksize); if (!bh) { reiserfs_warning(stderr, "bread failed\n"); return; } ih = item_head(bh, item->si_item_num); data = ih_item_body(bh, ih); if (memcmp(&item->si_ih, ih, sizeof(*ih))) reiserfs_panic("wrong item"); if (have_to_append(ih)) { do_append(ih, data); } else do_overwrite(ih, data); brelse(bh); } // flush map which is in variable map static void flush_map(reiserfs_filsys_t fs, const struct reiserfs_key *dir, const char *name, const struct reiserfs_key *key) { int i; FILE *fp; __u32 v32; if (!map_file(fs)) asprintf(&map_file(fs), "%s", ".map"); //reiserfs_warning (stderr, "Saving maps into %s\n", map_file (fs)); fp = fopen(map_file(fs), "a"); if (fp == 0) { reiserfs_warning(stderr, "flush_map: fopen failed: %m"); return; } v32 = MAP_MAGIC; fwrite(&v32, sizeof(v32), 1, fp); // device name v32 = strlen(device_name(fs)) + 1; fwrite(&v32, sizeof(v32), 1, fp); fwrite(device_name(fs), v32, 1, fp); // name length and the name itself v32 = strlen(name) + 1; fwrite(&v32, sizeof(v32), 1, fp); fwrite(name, v32, 1, fp); // short key of a directory fwrite(dir, SHORT_KEY_SIZE, 1, fp); // short key of file fwrite(key, SHORT_KEY_SIZE, 1, fp); // list of data block pointers fwrite(&map.head_len, sizeof(map.head_len), 1, fp); fwrite(map.head, map.head_len * 4, 1, fp); // find correct tail first for (i = 0; i < map.tail_nr; i++) { if (map.tails[i].offset == map.head_len * fs->fs_blocksize) { // tail length and the tail itself fwrite(&map.tails[i].len, sizeof(map.tails[i].len), 1, fp); fwrite(map.tails[i].data, map.tails[i].len, 1, fp); break; } } if (i == map.tail_nr) { // no tail v32 = 0; fwrite(&v32, sizeof(v32), 1, fp); } v32 = MAP_END_MAGIC; fwrite(&v32, sizeof(v32), 1, fp); fclose(fp); } // write map of file to a map file /* static void map_item_list (const void *nodep, VISIT value, int level) { struct saved_item * item, * longest; int bytes, max_bytes; if (value != leaf && value != postorder) return; item = *(struct saved_item **)nodep; // 1. find the longest item max_bytes = get_bytes_number (&item->si_ih, fs->fs_blocksize); longest = item; while (item->si_next) { item = item->si_next; bytes = get_bytes_number (&item->si_ih, fs->fs_blocksize); if (bytes > max_bytes) { longest = item; max_bytes = bytes; } } map_one_item (longest); // map other items item = *(struct saved_item **)nodep; while (item) { if (item != longest) map_one_item (item); item = item->si_next; } } static void make_file_map (const void *nodep, VISIT value, int level) { struct saved_name * name; static int nr = 0; name = *(struct saved_name **)nodep; if (value == leaf || value == postorder) { while (name) { reiserfs_warning (stdout, "%d - (%d): [%K]:\"%s\":\n", ++nr, name->count, &name->parent_dirid, name->name); if (name->items) { // initialize the map memset (&map, 0, sizeof (struct file_map)); // make a map of file twalk (name->items, map_item_list); // write map to a file flush_map (fs, (struct reiserfs_key *)&name->parent_dirid, name->name, (struct reiserfs_key *)&name->dirid); } else if (name->first_name) reiserfs_warning (stdout, "[%K]:\"%s\" has item list\n", &name->first_name->parent_dirid, name->first_name->name); else { reiserfs_warning (stdout, "No items of the file [%K] found\n", &name->dirid); } name = name->name_next; } } } */ static void print_items(FILE * fp, reiserfs_filsys_t fs) { struct buffer_head *bh; struct item_head *ih; struct saved_item item; int size = sizeof(struct saved_item) - sizeof(struct saved_item *); while (fread(&item, size, 1, fp) == 1) { bh = bread(fs->fs_dev, item.si_block, fs->fs_blocksize); if (!bh) { reiserfs_warning(fp, "bread failed\n"); continue; } ih = item_head(bh, item.si_item_num); reiserfs_print_item(stdout, bh, ih); brelse(bh); } } void print_map(reiserfs_filsys_t fs) { FILE *fp; if (map_file(fs)) { fp = fopen(map_file(fs), "r"); if (fp == 0) { reiserfs_warning(stderr, "fopen failed: %m\n"); return; } } else { reiserfs_warning(stderr, "Reading file map from stdin..\n"); fflush(stderr); fp = stdin; } print_items(fp, fs); if (fp != stdin) { fclose(fp); fp = NULL; } } static FILE *fp = 0; FILE *log_to; static void save_items(const void *nodep, VISIT value, int level) { struct saved_item *item; if (value != leaf && value != postorder) return; item = *(struct saved_item **)nodep; while (item) { if (fp) { fwrite(item, sizeof(struct saved_item) - sizeof(struct saved_item *), 1, fp); } else { if (is_direntry_ih(&item->si_ih) && item->si_entry_pos != -1) { reiserfs_warning(log_to, "block %lu, item %d (%H): entry %d\n", item->si_block, item->si_item_num, &item->si_ih, item->si_entry_pos); } else { reiserfs_warning(log_to, "block %lu, item %d belongs to file %K: %H\n", item->si_block, item->si_item_num, &item->si_ih.ih_key, &item->si_ih); } } item = item->si_next; } } static void make_map(const void *nodep, VISIT value, int level) { struct saved_name *name; char *file_name = 0; static int nr = 0; name = *(struct saved_name **)nodep; if (value == leaf || value == postorder) { while (name) { if (map_file(fs)) { asprintf(&file_name, "%s.%d", map_file(fs), ++nr); reiserfs_warning(log_to, "%d - (%d): [%K]:\"%s\": stored in the %s\n", nr, name->count, &name->parent_dirid, name->name, file_name); if (fp == 0) { fp = fopen(file_name, "w+"); if (!fp) { reiserfs_exit(1, "could open %s: %m", file_name); } } } if (name->items) twalk(name->items, save_items); name = name->name_next; if (fp) { fclose(fp); fp = NULL; free(file_name); } } } } /* store map if it is a regular file */ static void locate_file(reiserfs_filsys_t fs, struct reiserfs_key *key) { INITIALIZE_REISERFS_PATH(path); struct reiserfs_key *next_key; int retval; do { retval = reiserfs_search_by_key_4(fs, key, &path); if (retval != ITEM_FOUND) break; if (!is_stat_data_key(key) && !is_direntry_key(key)) { struct saved_item si; si.si_block = get_bh(&path)->b_blocknr; si.si_item_num = get_item_pos(&path); si.si_ih = *tp_item_head(&path); map_one_item(&si); } /*reiserfs_warning (stdout, "\t"); reiserfs_print_item (stdout, get_bh (&path), get_ih (&path)); */ next_key = reiserfs_next_key(&path); if (!next_key || not_of_one_file(next_key, key)) break; *key = *next_key; pathrelse(&path); } while (1); pathrelse(&path); } /* read stdin and look for specified name in the specified directory */ static void look_for_name(reiserfs_filsys_t fs) { INITIALIZE_REISERFS_PATH(path); char *name, *objectid, *dirid; size_t n; struct reiserfs_key key = { 0, }; reiserfs_warning(stderr, "Enter dirid objectid \"name\" or press ^D to quit\n"); while (1) { reiserfs_warning(stderr, ">"); n = 0; dirid = 0; if (getdelim(&dirid, &n, ' ', stdin) == -1) break; if (!strcmp(dirid, "\n")) break; set_key_dirid(&key, atol(dirid)); n = 0; objectid = 0; if (getdelim(&objectid, &n, ' ', stdin) == -1) break; set_key_objectid(&key, atol(objectid)); n = 0; name = 0; if (getdelim(&name, &n, '\n', stdin) == -1) break; name[strlen(name) - 1] = 0; reiserfs_warning(stdout, "looking for file \"%s\" in (%K) - ", name, &key); if (reiserfs_locate_entry(fs, &key, name, &path)) { struct reiserfs_key fkey = { 0, }; struct reiserfs_de_head *deh; reiserfs_warning(stdout, "name is found in block %lu (item %d, entry %d)\n", get_bh(&path)->b_blocknr, get_item_pos(&path), path.pos_in_item); deh = B_I_DEH(get_bh(&path), tp_item_head(&path)) + path.pos_in_item; set_key_dirid(&fkey, get_deh_dirid(deh)); set_key_objectid(&fkey, get_deh_objectid(deh)); pathrelse(&path); /* look for file and print its layout */ memset(&map, 0, sizeof(struct file_map)); locate_file(fs, &fkey); flush_map(fs, &key, name, &fkey); } else { reiserfs_warning(stdout, "name not found\n"); } free(dirid); free(objectid); free(name); } } #if 0 static void scan_for_key(struct buffer_head *bh, struct reiserfs_key *key) { int i, j, i_num; struct item_head *ih; struct reiserfs_de_head *deh; int min_entry_size = 1; int ih_entry_count = 0; ih = item_head(bh, 0); i_num = leaf_item_number_estimate(bh); for (i = 0; i < i_num; i++, ih++) { if ((get_key_dirid(&ih->ih_key) == get_key_dirid(key) || get_key_dirid(key) == ~(__u32) 0) && (get_key_objectid(&ih->ih_key) == get_key_objectid(key) || get_key_objectid(key) == ~(__u32) 0)) { reiserfs_warning(log_to, "%d-th item of block %lu is item of file %K: %H\n", i, bh->b_blocknr, key, ih); } if (!is_direntry_ih(ih)) continue; deh = B_I_DEH(bh, ih); if ((get_ih_entry_count(ih) > (get_ih_item_len(ih) / (DEH_SIZE + min_entry_size))) || (get_ih_entry_count(ih) == 0)) ih_entry_count = get_ih_item_len(ih) / (DEH_SIZE + min_entry_size); else ih_entry_count = get_ih_entry_count(ih); for (j = 0; j < ih_entry_count; j++, deh++) { if ((get_deh_dirid(deh) == get_key_dirid(key) || (int)get_key_dirid(key) == -1) && (get_deh_objectid(deh) == get_key_objectid(key) || (int)get_key_objectid(key) == -1)) { reiserfs_warning(log_to, "dir item %d (%H) of block %lu has " "entry (%d-th) %.*s pointing to %K\n", i, ih, bh->b_blocknr, j, name_in_entry_length(ih, deh, j), name_in_entry(deh, j), key); } } } return; } #endif void do_scan(reiserfs_filsys_t fs) { unsigned long i; struct buffer_head *bh; int type; char *answer = 0; size_t n = 0; struct reiserfs_key key = { 0, 0, }; unsigned long done, total; if (debug_mode(fs) == DO_LOOK_FOR_NAME) { /* look for a file in using tree algorithms */ look_for_name(fs); return; } /* scan area of disk and store all names matching the pattern */ /* initialize storage and two indexes */ obstack_init(&name_store); obstack_init(&item_store); key_index = 0; name_index = 0; total = reiserfs_bitmap_ones(input_bitmap(fs)); log_to = fopen("scan.log", "w+"); printf("Log file 'scan.log' is opened\n"); if (debug_mode(fs) == DO_SCAN_FOR_NAME) { if (regcomp(&pattern, name_pattern(fs), 0)) { printf("regcomp failed"); return; } printf("Looking for names matching %s\n", name_pattern(fs)); set_key_dirid(&key, 1); } else { printf("What key do you want to find: dirid?"); getline(&answer, &n, stdin); set_key_dirid(&key, atoi(answer)); printf("objectid?"); getline(&answer, &n, stdin); set_key_objectid(&key, atoi(answer)); reiserfs_warning(stderr, "looking for (%K)\n", &key); } if (debug_mode(fs) == DO_SCAN_FOR_NAME) { done = 0; for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (!reiserfs_bitmap_test_bit(input_bitmap(fs), i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { printf("could not read block %lu\n", i); continue; } type = who_is_this(bh->b_data, bh->b_size); if (type == THE_LEAF || type == HAS_IH_ARRAY) scan_for_name(bh); else reiserfs_bitmap_clear_bit(input_bitmap(fs), i); brelse(bh); print_how_far(stderr, &done, total, 1, be_quiet(fs)); } } fprintf(stderr, "\n"); if (debug_mode(fs) == DO_SCAN_FOR_NAME) fprintf(stderr, "There were found %d names matching the pattern \"%s\", %d names skipped\n", saved_names, name_pattern(fs), skipped_names); fflush(stderr); /* step 2: */ done = 0; total = reiserfs_bitmap_ones(input_bitmap(fs)); printf("%lu bits set in bitmap\n", total); for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { int type; if (!reiserfs_bitmap_test_bit(input_bitmap(fs), i)) continue; bh = bread(fs->fs_dev, i, fs->fs_blocksize); if (!bh) { printf("could not read block %lu\n", i); continue; } type = who_is_this(bh->b_data, bh->b_size); switch (type) { case THE_JDESC: if (!get_key_dirid(&key)) printf("block %lu is journal descriptor\n", i); break; case THE_SUPER: if (!get_key_dirid(&key)) printf("block %lu is reiserfs super block\n", i); break; case THE_INTERNAL: if (!get_key_dirid(&key)) printf("block %lu is reiserfs internal node\n", i); break; case THE_LEAF: case HAS_IH_ARRAY: scan_items(bh, (debug_mode(fs) == DO_SCAN_FOR_NAME ? NULL : &key)); break; default: break; } brelse(bh); print_how_far(stderr, &done, total, 1, be_quiet(fs)); } fprintf(stderr, "\nThere were %d items saved\n", saved_items); /* ok, print what we found */ /*twalk (name_index, print_file); */ /* create map for every file in */ twalk(name_index, make_map); /* print names of files we have map of in a file 'file.list' */ /*twalk (name_index, print_name); */ } reiserfsprogs-3.6.25/debugreiserfs/recover.c0000644000175000001440000002415012215632405016065 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "debugreiserfs.h" #if 0 /* this reads stdin and recover file of given key: */ /* the input has to be in the follwong format: K dirid objectid N name B blocknumber .. then recover_file will read every block, look there specified file and put it into */ void do_recover(reiserfs_filsys_t fs) { char name[100]; char *line = 0; int n = 0; int fd; struct reiserfs_key key = { 0, 0, }; struct buffer_head *bh; struct item_head *ih; unsigned long block; char code; loff_t recovered = 0; int i, j; reiserfs_bitmap_t bitmap; int used, not_used; bitmap = reiserfs_create_bitmap(SB_BLOCK_COUNT(fs)); reiserfs_fetch_disk_bitmap(bitmap, fs); /* we check how many blocks recoverd items point to are free or used */ used = 0; not_used = 0; fd = 0; while (getline(&line, &n, stdin) != -1) { if (line[0] == '#' || line[0] == '\n') continue; switch (line[0]) { case 'K': /* get a key of file which is to be recovered */ if (sscanf (line, "%c %u %u\n", &code, &key.k_dir_id, &key.k_objectid) != 3) { die("recover_file: wrong input K format"); } printf("Recovering file (%u, %u)\n", key.k_dir_id, key.k_objectid); break; case 'N': /* get a file name */ recovered = 0; if (sscanf(line, "%c %s\n", &code, name) != 2) { die("recover_file: wrong input N format"); } fd = open(name, O_RDWR | O_CREAT | O_EXCL, 0644); if (fd == -1) die("recover_file: could not create file %s: %s", name, strerror(errno)); printf("Recovering file %s..\n", name); break; case 'B': if (!fd) die("recover_file: file name is not specified"); if (sscanf(line, "%c %lu\n", &code, &block) != 2) { die("recover_file: wrong input B format"); } bh = bread(fs->s_dev, block, fs->s_blocksize); if (!bh) { printf("reading block %lu failed\n", block); continue; } printf("working with block %lu..\n", block); ih = item_head(bh, 0); for (i = 0; i < node_item_number(bh); i++, ih++) { __le32 *indirect; struct buffer_head *tmp_bh; if (!is_indirect_ih(ih) || key.k_dir_id != ih->ih_key.k_dir_id || key.k_objectid != ih->ih_key.k_objectid) continue; indirect = (__u32 *) ih_item_body(bh, ih); for (j = 0; j < I_UNFM_NUM(ih); j++) { block = le32_to_cpu(indirect[j]); if (!block) continue; tmp_bh = bread(fs->s_dev, block, fs->s_blocksize); if (!tmp_bh) { printf ("reading block %Lu failed\n", (loff_t) block * fs->s_blocksize); continue; } if (lseek64 (fd, get_offset(&ih->ih_key) + j * fs->s_blocksize - 1, SEEK_SET) == (loff_t) - 1) { printf ("llseek failed to pos %Ld\n", (loff_t) block * fs->s_blocksize); brelse(tmp_bh); continue; } if (reiserfs_bitmap_test_bit (bitmap, block)) used++; else not_used++; /*printf ("block of file %Ld gets block %lu\n", (get_offset (&ih->ih_key) - 1) / fs->s_blocksize + j, block); */ if (write (fd, tmp_bh->b_data, tmp_bh->b_size) != tmp_bh->b_size) { printf ("write failed to pos %Ld\n", (loff_t) block * fs->s_blocksize); brelse(tmp_bh); continue; } recovered += fs->s_blocksize; brelse(tmp_bh); } } brelse(bh); break; } } printf ("recover_file: %Ld bytes recovered of file %s, key %u %u, %d blocks are free and %d are used\n", recovered, name, key.k_dir_id, key.k_objectid, not_used, used); } #endif /* read a file containing map of one or more files and either recover them or just print info */ /* static void read_map (FILE * fp) { int i; __u32 v32; char * buf; __u32 ids [4]; int do_recover = 0; buf = 0; while (1) { if (fread (&v32, sizeof (v32), 1, fp) != 1) break; if (v32 != MAP_MAGIC) reiserfs_panic ("read_map: no magic found"); // device name length and name itself fread (&v32, sizeof (v32), 1, fp); buf = realloc (buf, v32); if (!buf) reiserfs_panic ("realloc failed"); fread (buf, v32, 1, fp); reiserfs_warning (stdout, "\"%s\": ", buf); // file name length and name itself fread (&v32, sizeof (v32), 1, fp); buf = realloc (buf, v32); if (!buf) reiserfs_panic ("realloc failed"); fread (buf, v32, 1, fp); // read directory key and poined object key fread (ids, sizeof (ids), 1, fp); reiserfs_warning (stdout, "[%K]:\"%s\"-->[%K]\n", &ids[0], buf, &ids[2]); //do_recover = user_confirmed (stdout, "recover? (Y):", "Y\n"); //if (do_recover) // reiserfs_warning (stderr, "recovering not ready\n"); // how many data blocks are there fread (&v32, sizeof (v32), 1, fp); if (v32) { buf = realloc (buf, v32 * 4); if (!buf) reiserfs_panic ("realloc failed (%u)", v32); // read list of data block numbers fread (buf, 4, v32, fp); if (!do_recover) { for (i = 0; i < v32; i ++) reiserfs_warning (stdout, "%d ", ((__u32 *)buf)[i]); reiserfs_warning (stdout, "\n"); } } // main tail length fread (&v32, sizeof (v32), 1, fp); if (v32) { // there is tail buf = realloc (buf, v32); if (!buf) reiserfs_panic ("realloc failed"); fread (buf, v32, 1, fp); if (!do_recover) reiserfs_warning (stdout, "%d bytes long tail\n", v32); } else { if (!do_recover) reiserfs_warning (stdout, "No tail\n"); } if (fread (&v32, sizeof (v32), 1, fp) != 1) break; if (v32 != MAP_END_MAGIC) reiserfs_panic ("read_map: no magic found"); } free (buf); } void do_recover (reiserfs_filsys_t fs) { FILE * fp; if (map_file (fs)) { fp = fopen (map_file (fs), "r"); if (fp == 0) { reiserfs_warning (stderr, "do_recover: fopen failed: %m"); return; } } else { reiserfs_warning (stderr, "Reading file map from stdin..\n"); fflush (stderr); fp = stdin; } read_map (fp); if (fp != stdin) fclose (fp); } */ #include static long int get_answer(long int max) { char *answer, *tmp; size_t n = 0; long int result = 0; do { printf("Which should be left?: "); getline(&answer, &n, stdin); result = strtol(answer, &tmp, 0); if ((errno != ERANGE) && (result < max) && (result >= 0) && (answer != tmp)) break; } while (1); return result; } static void recover_items(FILE * fp, reiserfs_filsys_t fs, FILE * target_file) { struct buffer_head *bh, *bh_pointed; struct item_head *ih; struct saved_item item, *cur; int size = sizeof(struct saved_item) - sizeof(struct saved_item *); struct saved_item *map = NULL; __u32 map_size = 0; int start = -1; unsigned int i, j; __u64 offset = 0, length; long int result = 0; unsigned long unfm_ptr; while (fread(&item, size, 1, fp) == 1) { map_size += sizeof(struct saved_item); map = realloc(map, map_size); memcpy((void *)map + map_size - sizeof(struct saved_item), &item, size); } for (i = 1, cur = map + 1; i <= map_size / sizeof(struct saved_item); i++, cur++) { bh = bread(fs->fs_dev, (cur - 1)->si_block, fs->fs_blocksize); if (!bh) { reiserfs_warning(fp, "bread failed\n"); continue; } if (i == map_size / sizeof(struct saved_item)) { if (start != -1) { reiserfs_print_item(stdout, bh, item_head(bh, (cur - 1)-> si_item_num)); result = get_answer(i - start) + start; } else { result = i - 1; } start = -1; } else if (is_direntry_ih(&(cur - 1)->si_ih) || is_stat_data_ih(&(cur - 1)->si_ih)) { brelse(bh); continue; } else { length = get_bytes_number(&(cur - 1)->si_ih, fs->fs_blocksize); if (offset < get_offset(&(cur - 1)->si_ih.ih_key) + get_bytes_number(&(cur - 1)->si_ih, fs->fs_blocksize)) offset = get_offset(&(cur - 1)->si_ih.ih_key) + (length ? length - 1 : 0); if (offset >= get_offset(&cur->si_ih.ih_key)) { /* Problem interval */ if (start == -1) start = i - 1; printf("Problem item %d:\n", i - start - 1); reiserfs_print_item(stdout, bh, item_head(bh, (cur - 1)-> si_item_num)); } else if (start != -1) { /* problem interval finished */ printf("Problem item %d:\n", i - start - 1); reiserfs_print_item(stdout, bh, item_head(bh, (cur - 1)-> si_item_num)); result = get_answer((long int)i - start) + start; start = -1; } else { result = i - 1; } } brelse(bh); if (start != -1) continue; printf("write %ld\n", result); bh = bread(fs->fs_dev, (map + result)->si_block, fs->fs_blocksize); if (!bh) { reiserfs_warning(fp, "bread failed\n"); continue; } fseek(target_file, get_offset(&(map + result)->si_ih.ih_key) - 1, SEEK_SET); ih = item_head(bh, (map + result)->si_item_num); if (is_direct_ih(ih)) { fwrite(ih_item_body(bh, ih), (map + result)->si_ih.ih2_item_len, 1, target_file); } else if (is_indirect_ih(ih)) { for (j = 0; j < I_UNFM_NUM(ih); j++) { unfm_ptr = d32_get((__le32 *) ih_item_body(bh, ih), j); if (!unfm_ptr) { fseek(target_file, fs->fs_blocksize, SEEK_CUR); continue; } bh_pointed = bread(fs->fs_dev, unfm_ptr, fs->fs_blocksize); if (!bh_pointed) { reiserfs_warning(fp, "bread failed\n"); continue; } fwrite(bh_pointed->b_data, fs->fs_blocksize, 1, target_file); brelse(bh_pointed); } } brelse(bh); } free(map); } void do_recover(reiserfs_filsys_t fs) { FILE *fp, *recovery; if (map_file(fs)) { fp = fopen(map_file(fs), "r"); if (fp == 0) { reiserfs_warning(stderr, "fopen failed: %m\n"); return; } } else { reiserfs_warning(stderr, "Reading file map from stdin..\n"); fflush(stderr); fp = stdin; } if (!(recovery = fopen(recovery_file(fs), "w+"))) { reiserfs_warning(stderr, "fopen failed: %m\n"); return; } recover_items(fp, fs, recovery); if (fp != stdin) fclose(fp); fclose(recovery); } reiserfsprogs-3.6.25/debugreiserfs/debugreiserfs.h0000644000175000001440000001770612725331232017267 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #ifndef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include "../version.h" #include #include extern reiserfs_filsys_t fs; /* * modes */ #define DO_DUMP 1 /* not a real dump, just printing to stdout contents of tree nodes */ #define DO_CORRUPT_ONE 2 /* used to make filesystem corruption and then test fsck */ #define DO_CORRUPT_FILE 3 /* used to make filesystem corruption and then test fsck, the list of corruption is set on the file */ #define DO_RANDOM_CORRUPTION 4 #define DO_SCAN 5 #define DO_RECOVER 6 #define DO_TEST 7 #define DO_PACK 8 /* -p extract meta data of reiserfs filesystem */ #define DO_UNPACK 9 /* -u create the fs by the givem metadata */ #define DO_STAT 10 #define DO_SCAN_FOR_NAME 11 /* -n */ #define DO_LOOK_FOR_NAME 12 /* -N */ #define DO_SCAN_JOURNAL 13 /* -J */ #define DO_EXTRACT_BADBLOCKS 14 #define DO_FILE_MAP 15 #define DO_ZERO 16 #define DO_NOTHING 17 /*first bits are in reiserfs_fs.b*/ #define PRINT_JOURNAL 0x10 #define PRINT_JOURNAL_HEADER 0x20 #define PRINT_BITMAP 0x40 #define PRINT_OBJECTID_MAP 0x80 #define BE_QUIET 0x100 #define BE_VERBOSE 0x200 /* these moved to reiserfs_fs.h */ //#define PRINT_TREE_DETAILS //#define PRINT_DETAILS //#define PRINT_ITEM_DETAILS //#define PRINT_DIRECT_ITEMS // the leaf is stored in compact form: // start magic number // block number __u32 // item number __u16 // struct packed_item // .. // end magic number /* we store hash code in high byte of 16 bits */ #define LEAF_START_MAGIC 0xa6 #define LEAF_END_MAGIC 0x5a #define FULL_BLOCK_START_MAGIC 0xb6 #define FULL_BLOCK_END_MAGIC 0x6b #define UNFORMATTED_BITMAP_START_MAGIC 0xc7 #define UNFORMATTED_BITMAP_END_MAGIC 0x7c #define END_MAGIC 0x8d #define INTERNAL_START_MAGIC #define INTERNAL_START_MAGIC #define SEPARATED_JOURNAL_START_MAGIC 0xf8 #define SEPARATED_JOURNAL_END_MAGIC 0x8f #define ITEM_START_MAGIC 0x476576 #define ITEM_END_MAGIC 0x2906504 #define MAP_MAGIC 0xe9 #define MAP_END_MAGIC 0x9e /* 12 bits of mask are used to define */ #define NEW_FORMAT 0x01 /* 1. 0 here means - old format, 1 - new format */ #define DIR_ID 0x02 /* 2. dir_id is stored */ #define OBJECT_ID 0x04 /* 3. objectid is stored */ #define OFFSET_BITS_32 0x08 /* 4. offset is stored as 32 bit */ #define OFFSET_BITS_64 0x10 /* 5. offset is stored as 64 bit */ #define IH_ENTRY_COUNT 0x20 /* 6. ih_free_space/ih_entry_count is stored */ #define IH_FREE_SPACE 0x20 #define IH_FORMAT 0x40 /* 7. ih_format is stored */ #define WITH_SD_FIRST_DIRECT_BYTE 0x80 /* 8. for old stat data first_direct_byte is stored */ #define NLINK_BITS_32 0x0100 /* 9. nlinks stored in 32 bits */ #define SIZE_BITS_64 0x0200 /* 10. size has to be stored in 64 bit */ #define WHOLE_INDIRECT 0x0400 /* 11. indirect item is stored with compression */ #define SAFE_LINK 0x0800 /* 11. indirect item is stored with compression */ #define TYPE_MASK 0x3 /* two lowest bits are used to store item type */ //#define MASK_MASK 0xffffc /* what is packed: dirid, objectid, etc */ #define ITEM_LEN_MASK 0xfff00000 /* contents of ih_item_len of item_head */ struct packed_item { __u32 type_2_mask_18_len_12; }; static inline void set_pi_type(struct packed_item *pi, __u32 val) { set_bit_field_XX(32, pi, val, 0, 2); } static inline __u32 get_pi_type(const struct packed_item *pi) { get_bit_field_XX(32, pi, 0, 2); } static inline void set_pi_mask(struct packed_item *pi, __u32 val) { set_bit_field_XX(32, pi, val, 2, 18); } static inline __u32 get_pi_mask(const struct packed_item *pi) { get_bit_field_XX(32, pi, 2, 18); } static inline void set_pi_item_len(struct packed_item *pi, __u32 val) { set_bit_field_XX(32, pi, val, 20, 12); } static inline __u32 get_pi_item_len(const struct packed_item *pi) { get_bit_field_XX(32, pi, 20, 12); } #define HAS_DIR_ID 0x01 #define HAS_GEN_COUNTER 0x02 #define HAS_STATE 0x04 #define YURA 0x08 #define TEA 0x10 #define R5 0x20 struct packed_dir_entry { __u8 mask; __u16 entrylen; }; /* packed_dir_entry.mask is *always* endian safe, since it's 8 bit */ #define get_pe_entrylen(pe) (le16_to_cpu((pe)->entrylen)) #define set_pe_entrylen(pe,v) ((pe)->entrylen = cpu_to_le16(v)) #define fread8(pv) fread (pv, sizeof (__u8), 1, stdin) #define fread_le16(pv)\ {\ __le16 tmp; \ fread16(&tmp); \ *pv = le16_to_cpu(tmp); \ } #define fread_le32(pv)\ {\ __le32 tmp; \ fread32(&tmp); \ *pv = le32_to_cpu(tmp); \ } #define fread_le64(pv)\ {\ __le64 tmp; \ fread64(&tmp); \ *pv = le64_to_cpu(tmp); \ } #define fread8(pv) fread (pv, sizeof (__u8), 1, stdin) #define fread16(pv) fread (pv, sizeof (__u16), 1, stdin) #define fread32(pv) fread (pv, sizeof (__u32), 1, stdin) #define fread64(pv) fread (pv, sizeof (__u64), 1, stdin) #define fwrite_le16(pv)\ {\ __le16 tmp = cpu_to_le16(*(pv));\ fwrite16(&tmp);\ } #define fwrite_le32(pv)\ {\ __le32 tmp = cpu_to_le32(*(pv));\ fwrite32(&tmp);\ } #define fwrite_le64(pv)\ {\ __le64 tmp = cpu_to_le64(*(pv));\ fwrite64(&tmp);\ } #define fwrite8(pv) {\ if (fwrite (pv, sizeof (__u8), 1, stdout) != 1)\ reiserfs_panic ("fwrite8 failed: %m");\ sent_bytes ++;\ } #define fwrite16(pv) {\ if (fwrite (pv, sizeof (__u16), 1, stdout) != 1)\ reiserfs_panic ("fwrite16 failed: %m");\ sent_bytes += 2;\ } #define fwrite32(pv) {\ if (fwrite (pv, sizeof (__u32), 1, stdout) != 1)\ reiserfs_panic ("fwrite32 failed: %m");\ sent_bytes += 4;\ } #define fwrite64(pv) {\ if (fwrite (pv, sizeof (__u64), 1, stdout) != 1)\ reiserfs_panic ("fwrite64 failed: %m");\ sent_bytes += 8;\ } struct debugreiserfs_data { int mode; /* DO_DUMP | DO_PACK | DO_CORRUPT_ONE... */ #define USED_BLOCKS 1 #define EXTERN_BITMAP 2 #define ALL_BLOCKS 3 #define UNUSED_BLOCKS 4 int scan_area; /* for -p, -s and -n */ char *input_bitmap; /* when ->scan_area is set to EXTERN_BITMAP */ reiserfs_bitmap_t *bitmap; /* bitmap is read from ->input_bitmap */ unsigned long block; /* set by -B. this is a must for -C, option for -p and -d */ char *pattern; /* for -n */ char *device_name; char *journal_device_name; /* for -j */ char *map_file; /* for -n, -N and -f */ char *recovery_file; /* for -r */ unsigned long options; /* -q only yet */ int JJ; /* log file name and handle */ char *log_file_name; FILE *log; }; #define data(fs) ((struct debugreiserfs_data *)((fs)->fs_vp)) #define debug_mode(fs) (data(fs)->mode) #define certain_block(fs) (data(fs)->block) #define input_bitmap(fs) (data(fs)->bitmap) #define input_bitmap_file_name(fs) (data(fs)->input_bitmap) #define scan_area(fs) (data(fs)->scan_area) #define name_pattern(fs) (data(fs)->pattern) #define device_name(fs) (data(fs)->device_name) #define journal_device_name(fs) (data(fs)->journal_device_name) #define map_file(fs) (data(fs)->map_file) #define recovery_file(fs) (data(fs)->recovery_file) #define be_quiet(fs) (data(fs)->options & BE_QUIET) /* stat.c */ void do_stat(reiserfs_filsys_t fs); /* corruption.c */ void do_corrupt_one_block(reiserfs_filsys_t fs, char *fline); void do_leaves_corruption(reiserfs_filsys_t fs, unsigned long nr_leaves_cr); void do_bitmap_corruption(reiserfs_filsys_t fs); void do_fs_random_corrupt(reiserfs_filsys_t fs); /* recover.c */ void do_recover(reiserfs_filsys_t fs); /* scan.c */ void do_scan(reiserfs_filsys_t fs); /* journal.c */ void scan_journal(reiserfs_filsys_t fs); /* unpack.c */ extern int do_unpack(char *host, char *j_filename, char *filename, int verbose); void print_map(reiserfs_filsys_t fs); struct saved_item { struct item_head si_ih; unsigned long si_block; int si_item_num, si_entry_pos; struct saved_item *si_next; /* list of items having the same key */ }; /* Local variables: c-indentation-style: "K&R" mode-name: "LC" c-basic-offset: 4 tab-width: 4 fill-column: 80 End: */ reiserfsprogs-3.6.25/debugreiserfs/debugreiserfs.80000644000175000001440000000574112725336324017212 00000000000000.\" -*- nroff -*- .\" Copyright 1996-2004 Hans Reiser. .\" .TH DEBUGREISERFS 8 "January 2009" "Reiserfsprogs 3.6.25" .SH NAME debugreiserfs \- The debugging tool for the ReiserFS filesystem. .SH SYNOPSIS .B debugreiserfs [ .B -dDJmoqpuSV ] [ .B -j \fIdevice ] [ .B -B \fIfile ] [ .B -1 \fIN ] .\" ] [ .\" .B -s .\" ] [ .I device .SH DESCRIPTION \fBdebugreiserfs\fR sometimes helps to solve problems with reiserfs filesystems. When run without options it prints the super block of the ReiserFS filesystem found on the \fIdevice\fR. .TP .I device is the special file corresponding to the device (e.g /dev/hdXX for an IDE disk partition or /dev/sdXX for a SCSI disk partition). .SH OPTIONS .TP \fB-j\fR \fIdevice\fR prints the contents of the journal. The option \-p allows it to pack the journal with other metadata into the archive. .TP \fB-J\fR prints the journal header. .TP .B -d prints the formatted nodes of the internal tree of the filesystem. .TP .B -D prints the formatted nodes of all used blocks of the filesystem. .TP .B -m prints the contents of the bitmap (slightly useful). .TP .B -o prints the objectid map (slightly useful). .TP \fB-B\fR \fIfile\fR takes the list of bad blocks stored in the internal ReiserFS tree and translates it into an ascii list written to the specified file. .TP \fB-1\fR \fIblocknumber\fR prints the specified block of the filesystem. .TP .\" \fB-s .\" scans the partition and prints a line when any kind of reiserfs .\" formatted nodes found. Can be used to find specific key in the filesystem. .\" .TP .B -p extracts the filesystem's metadata with \fBdebugreiserfs\fR \-p /dev/xxx | gzip \-c > xxx.gz. None of your data are packed unless a filesystem corruption presents when the whole block having this corruption is packed. You send us the output, and we use it to create a filesystem with the same strucure as yours using \fBdebugreiserfs \-u\fR. When the data file is not too large, this usually allows us to quickly reproduce and debug the problem. .TP .B -u builds the ReiserFS filesystem image with gunzip \-c xxx.gz | \fBdebugreiserfs\fR \-u /dev/image of the previously packed metadata with \fBdebugreiserfs \-p\fR. The result image is not the same as the original filesystem, because mostly only metadata were packed with \fBdebugreiserfs \-p\fR, but the filesystem structure is completely recreated. .TP .B -S When \-S is not specified \-p .\" and -s deals with blocks marked used in the filesystem bitmap only. With this option set \fBdebugreiserfs\fR will work with the entire device. .TP .B -q When .\" -s or \-p is in use, suppress showing the speed of progress. .SH AUTHOR This version of \fBdebugreiserfs\fR has been written by Vitaly Fertman . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR mkreiserfs (8) reiserfsprogs-3.6.25/resize_reiserfs/0000755000175000001440000000000012725336325014714 500000000000000reiserfsprogs-3.6.25/resize_reiserfs/Makefile.am0000644000175000001440000000032712215632405016662 00000000000000sbin_PROGRAMS = resize_reiserfs resize_reiserfs_SOURCES = fe.c resize_reiserfs.c do_shrink.c resize.h man_MANS = resize_reiserfs.8 EXTRA_DIST = $(man_MANS) LDADD = $(top_builddir)/reiserfscore/libreiserfscore.la reiserfsprogs-3.6.25/resize_reiserfs/Makefile.in0000644000175000001440000005470012725336310016701 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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It enlarges or shrinks an reiserfs file system located on a .I device so that it will have .I size bytes or size=old_size +(\-) .I size bytes if the + or \- prefix is used. If the .B \-s option is not specified, the filesystem will be resized to fill the given device. The .I size parameter may have one of the optional modifiers .BR K ", " M ", " G , which means the .I size parameter is given in kilo\-, mega\-, gigabytes respectively. .PP The .B resize_reiserfs program does not manipulate the size of the device. If you wish to enlarge a filesystem, you must make sure you expand the underlying device first. This can be done using .BR cfdisk (8) for partitions, by deleting the partition and recreating it with a larger size (assuming there is free space .I after the partition in question). Make sure you re\-create it with the same starting disk cylinder as before! Otherwise, the resize operation will certainly not work, and you may lose your entire filesystem. .PP The .B resize_reiserfs program allows to grow a reiserfs on-line if there is a free space on block .I device. .PP If you wish to shrink a reiserfs partition, first use .B resize_reiserfs to shrink the file system. You may then use .BR cfdisk (8) to shrink the device. When shrinking the size of the device, make sure you do not make it smaller than the reduced size of the reiserfs filesystem. .SH OPTIONS .TP .BR \-s\ [+|\-]\fIsize Set the new size in bytes. .TP .BR \-j\ \fIdev Set the journal device name. .TP .BR \-f Force, do not perform checks. .TP .BR \-q Do not print anything but error messages. .TP .BR \-v Turn on extra progress status messages (default). .SH RETURN VALUES 0 Resizing successful. .TP \-1 Resizing not successful. .SH EXAMPLES The following example shows how to test .B resize_reiserfs\fR. Suppose 2Gb reiserfs filesystem is created on the device /dev/hda8 and is mounted on /mnt. For shrinking the device we need to unmount it first, then run .B resize_reiserfs with a .I size \fR parameter (in this case -1Gb): .PP \ df .br \ umount /mnt .br \ resize_reiserfs \-s \-1G /dev/hda8 .br \ mount /dev/hda8 /mnt .br \ df /mnt .SH AUTHOR This version of .B resize_reiserfs has been written by Alexander Zarochentcev . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR cfdisk (8), .BR reiserfsck (8), .BR debugreiserfs (8) reiserfsprogs-3.6.25/resize_reiserfs/fe.c0000644000175000001440000000115512206770175015373 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "resize.h" /* the front-end for kernel on-line resizer */ int resize_fs_online(char *devname, long long int blocks) { struct mntent *mnt; char buf[40]; /* Find the mount entry. */ if ((mnt = misc_mntent(devname)) == NULL) die("resize_reiserfs: can't find mount entry\n"); sprintf(buf, "resize=%lld", blocks); if (mount(mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, (unsigned long)(MS_MGC_VAL << 16 | MS_REMOUNT), buf)) { die("resize_reiserfs: remount failed: %s\n", strerror(errno)); } return 0; } reiserfsprogs-3.6.25/resize_reiserfs/resize_reiserfs.c0000644000175000001440000002061012725332456020203 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* * Written by Alexander Zarochentcev. * * FS resize utility * */ #define _GNU_SOURCE #include "resize.h" #include static int opt_banner = 0; static int opt_skipj = 0; int opt_force = 0; int opt_verbose = 1; /* now "verbose" option is default */ int opt_nowrite = 0; int opt_safe = 0; char *g_progname; /* calculate the new fs size (in blocks) from old fs size and the string representation of new size */ static long long int calc_new_fs_size(unsigned long count, unsigned int bs, char *bytes_str) { long long int bytes; long long int blocks; char *end; int rel; end = bytes_str + strlen(bytes_str) - 1; rel = bytes_str[0] == '+' || bytes_str[0] == '-'; bytes = strtoll(bytes_str, &bytes_str, 10); /* Some error occured while convertion or the specified string is not valid. */ if (bytes == LONG_LONG_MIN || bytes == LONG_LONG_MAX || (bytes_str != end && bytes_str != end + 1)) return -EINVAL; switch (*end) { case 'G': case 'g': bytes *= 1024; case 'M': case 'm': bytes *= 1024; case 'K': case 'k': bytes *= 1024; } blocks = bytes / bs; return rel ? count + blocks : blocks; } /* print some fs parameters */ static void sb_report(struct reiserfs_super_block *sb1, struct reiserfs_super_block *sb2) { printf("ReiserFS report:\n" "blocksize %u\n" "block count %u (%u)\n" "free blocks %u (%u)\n" "bitmap block count %u (%u)\n", get_sb_block_size(sb1), get_sb_block_count(sb1), get_sb_block_count(sb2), get_sb_free_blocks(sb1), get_sb_free_blocks(sb2), get_sb_bmap_nr(sb1), get_sb_bmap_nr(sb2)); }; /* conditional bwrite */ static int bwrite_cond(struct buffer_head *bh) { if (!opt_nowrite) { mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); bwrite(bh); } return 0; } /* the first one of the most important functions */ static int expand_fs(reiserfs_filsys_t fs, long long int block_count_new) { unsigned int bmap_nr_new, bmap_nr_old; struct reiserfs_super_block *sb; unsigned int i; reiserfs_reopen(fs, O_RDWR); if (reiserfs_open_ondisk_bitmap(fs)) reiserfs_exit(1, "cannot open ondisk bitmap"); sb = fs->fs_ondisk_sb; set_sb_fs_state(fs->fs_ondisk_sb, FS_ERROR); bwrite_cond(fs->fs_super_bh); if (reiserfs_expand_bitmap(fs->fs_bitmap2, block_count_new)) reiserfs_exit(1, "cannot expand bitmap\n"); /* count bitmap blocks in new fs */ bmap_nr_new = (block_count_new - 1) / (fs->fs_blocksize * 8) + 1; bmap_nr_old = reiserfs_fs_bmap_nr(fs); /* update super block buffer */ set_sb_free_blocks(sb, get_sb_free_blocks(sb) + (block_count_new - get_sb_block_count(sb)) - (bmap_nr_new - bmap_nr_old)); set_sb_block_count(sb, block_count_new); set_sb_bmap_nr(fs->fs_ondisk_sb, reiserfs_bmap_over(bmap_nr_new) ? 0 : bmap_nr_new); /* mark new bitmap blocks as used */ for (i = bmap_nr_old; i < bmap_nr_new; i++) reiserfs_bitmap_set_bit(fs->fs_bitmap2, i * fs->fs_blocksize * 8); /* normally, this is done by reiserfs_bitmap_set_bit, but if we ** haven't actually added any bitmap blocks, the bitmap won't be dirtied. ** ** In memory, reiserfsprogs puts zeros for the bits past the end of ** the old filesystem. But, on disk that bitmap is full of ones. ** we explicitly dirty the bitmap here to make sure the zeros get written ** to disk */ fs->fs_bitmap2->bm_dirty = 1; return 0; } static int resizer_check_fs_size(reiserfs_filsys_t fs, long long int new_size) { if (new_size < 0) { reiserfs_warning(stderr, "\nresizer_reiserfs: the new size " "value is wrong.\n\n"); return new_size; } if (new_size == get_sb_block_count(fs->fs_ondisk_sb)) { reiserfs_warning(stderr, "%s already is of the needed size. " "Nothing to be done\n\n", fs->fs_file_name); return 1; } if (new_size < get_sb_block_count(fs->fs_ondisk_sb)) { if (misc_device_mounted(fs->fs_file_name) > 0) { reiserfs_warning(stderr, "Can't shrink filesystem on-line.\n\n"); return 1; } } if (new_size >= get_sb_block_count(fs->fs_ondisk_sb)) { loff_t offset = (loff_t) new_size * fs->fs_blocksize - 1; if (!valid_offset(fs->fs_dev, offset)) { reiserfs_warning(stderr, "%s is of %lu blocks size only with " "reiserfs of %u blocks\nsize on it. You are " "trying to expand reiserfs up to %lu blocks " "size.\nYou probably forgot to expand your " "partition size.\n\n", fs->fs_file_name, count_blocks(fs->fs_file_name, fs->fs_blocksize), get_sb_block_count(fs->fs_ondisk_sb), new_size); return 1; } } return 0; } int main(int argc, char *argv[]) { char *bytes_count_str = NULL; char *devname; char *jdevice_name = NULL; reiserfs_filsys_t fs; struct reiserfs_super_block *sb; int c; long error; struct reiserfs_super_block *sb_old; long long int block_count_new; g_progname = basename(argv[0]); if (argc < 2) print_usage_and_exit(); while ((c = getopt(argc, argv, "fvcqks:j:V")) != EOF) { switch (c) { case 's': if (!optarg) reiserfs_exit(1, "Missing argument to -s option"); bytes_count_str = optarg; break; case 'j': if (!optarg) reiserfs_exit(1, "Missing argument to -j option"); jdevice_name = optarg; case 'f': opt_force = 1; break; case 'v': opt_verbose++; break; case 'n': /* no nowrite option at this moment */ /* opt_nowrite = 1; */ break; case 'c': opt_safe = 1; break; case 'q': opt_verbose = 0; break; case 'k': opt_skipj = 1; break; case 'V': opt_banner++; break; default: print_usage_and_exit(); } } print_banner(g_progname); if (opt_banner) exit(0); devname = argv[optind]; fs = reiserfs_open(devname, O_RDONLY, &error, NULL, 1); if (!fs) { if (error) { reiserfs_exit(1, "cannot open '%s': %s", devname, error_message(error)); } else { exit(1); } } if (reiserfs_open_journal(fs, jdevice_name, O_RDWR | O_LARGEFILE)) { reiserfs_exit(1, "Failed to open the journal device (%s).", jdevice_name); } if (reiserfs_journal_params_check(fs)) { if (!opt_skipj) { reiserfs_exit(1, "Wrong journal parameters detected on (%s)", jdevice_name); } else { reiserfs_close_journal(fs); } } /* forced to continue without journal available/specified */ if (no_reiserfs_found(fs)) { reiserfs_exit(1, "no reiserfs found on the device."); } if (!spread_bitmaps(fs)) { reiserfs_exit(1, "cannot resize reiserfs in old (not spread " "bitmap) format."); } sb = fs->fs_ondisk_sb; /* If size change was specified by user, calculate it, otherwise take the whole device. */ block_count_new = bytes_count_str ? calc_new_fs_size(get_sb_block_count(sb), fs->fs_blocksize, bytes_count_str) : count_blocks(devname, fs->fs_blocksize); if (resizer_check_fs_size(fs, block_count_new)) return 1; if (misc_device_mounted(devname) > 0) { reiserfs_close(fs); error = resize_fs_online(devname, block_count_new); reiserfs_warning(stderr, "\n\nresize_reiserfs: On-line resizing %s.\n\n", error ? "failed" : "finished successfully"); return error; } if (!reiserfs_is_fs_consistent(fs)) { reiserfs_warning(stderr, "\n\nresize_reiserfs: run reiserfsck --check " "first\n\n"); reiserfs_close(fs); return 1; } if (get_sb_umount_state(sb) != FS_CLEANLY_UMOUNTED) /* fixme: shouldn't we check for something like: fsck guarantees: fs is ok */ reiserfs_exit(1, "the file system isn't in valid state."); /* Needed to keep idiot compiler from issuing false warning */ sb_old = NULL; /* save SB for reporting */ if (opt_verbose) { sb_old = getmem(SB_SIZE); memcpy(sb_old, fs->fs_ondisk_sb, SB_SIZE); } error = (block_count_new > get_sb_block_count(fs->fs_ondisk_sb)) ? expand_fs(fs, block_count_new) : shrink_fs(fs, block_count_new); if (error) { reiserfs_warning(stderr, "\n\nresize_reiserfs: Resizing failed.\n\n "); return error; } if (opt_verbose) { sb_report(fs->fs_ondisk_sb, sb_old); freemem(sb_old); } set_sb_fs_state(fs->fs_ondisk_sb, FS_CONSISTENT); bwrite_cond(fs->fs_super_bh); if (opt_verbose) { printf("\nSyncing.."); fflush(stdout); } reiserfs_close(fs); if (opt_verbose) printf("done\n"); reiserfs_warning(stderr, "\n\nresize_reiserfs: Resizing finished " "successfully.\n\n "); return 0; } reiserfsprogs-3.6.25/resize_reiserfs/do_shrink.c0000644000175000001440000001740012215632405016752 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #include "resize.h" #include static unsigned long int_node_cnt = 0, int_moved_cnt = 0; static unsigned long leaf_node_cnt = 0, leaf_moved_cnt = 0; static unsigned long unfm_node_cnt = 0, unfm_moved_cnt = 0; static unsigned long total_node_cnt = 0; static unsigned long total_moved_cnt = 0; static unsigned long unused_block; static unsigned long blocks_used; static int block_count_mismatch = 0; static reiserfs_bitmap_t *bmp; static struct reiserfs_super_block *ondisk_sb; /* abnornal exit from block reallocation process */ static void quit_resizer(reiserfs_filsys_t fs) { /* save changes to bitmap blocks */ reiserfs_close(fs); /* leave fs in ERROR state */ reiserfs_exit(1, "fs shrinking was not completed successfully, " "run reiserfsck."); } /* block moving */ static unsigned long move_generic_block(reiserfs_filsys_t fs, unsigned long block, unsigned long bnd, int h) { struct buffer_head *bh, *bh2; /* primitive fsck */ if (block > get_sb_block_count(ondisk_sb)) { fprintf(stderr, "resize_reiserfs: invalid block number " "(%lu) found.\n", block); quit_resizer(fs); } /* progress bar, 3D style :) */ if (opt_verbose) print_how_far(stderr, &total_node_cnt, blocks_used, 1, 0); else total_node_cnt++; /* infinite loop check */ if (total_node_cnt > blocks_used && !block_count_mismatch) { fputs("resize_reiserfs: warning: block count exeeded\n", stderr); block_count_mismatch = 1; } if (block < bnd) /* block will not be moved */ return 0; /* move wrong block */ bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) reiserfs_exit(1, "move_generic_block: bread failed.\n"); reiserfs_bitmap_find_zero_bit(bmp, &unused_block); if (unused_block == 0 || unused_block >= bnd) { fputs("resize_reiserfs: can\'t find free block\n", stderr); quit_resizer(fs); } /* blocknr changing */ bh2 = getblk(fs->fs_dev, unused_block, fs->fs_blocksize); memcpy(bh2->b_data, bh->b_data, bh2->b_size); reiserfs_bitmap_clear_bit(bmp, block); reiserfs_bitmap_set_bit(bmp, unused_block); brelse(bh); mark_buffer_uptodate(bh2, 1); mark_buffer_dirty(bh2); bwrite(bh2); brelse(bh2); total_moved_cnt++; return unused_block; } static unsigned long move_unformatted_block(reiserfs_filsys_t fs, unsigned long block, unsigned long bnd, int h) { unsigned long b; unfm_node_cnt++; b = move_generic_block(fs, block, bnd, h); if (b) unfm_moved_cnt++; return b; } /* recursive function processing all tree nodes */ static unsigned long move_formatted_block(reiserfs_filsys_t fs, unsigned long block, unsigned long bnd, int h) { struct buffer_head *bh; struct item_head *ih; unsigned long new_blocknr = 0; int node_is_internal = 0; unsigned int i, j; bh = bread(fs->fs_dev, block, fs->fs_blocksize); if (!bh) reiserfs_exit(1, "move_formatted_block: bread failed"); if (is_leaf_node(bh)) { leaf_node_cnt++; for (i = 0; i < B_NR_ITEMS(bh); i++) { ih = item_head(bh, i); /* skip the bad blocks. */ if (get_key_objectid(&ih->ih_key) == BADBLOCK_OBJID && get_key_dirid(&ih->ih_key) == BADBLOCK_DIRID) continue; if (is_indirect_ih(ih)) { __le32 *indirect; indirect = (__le32 *) ih_item_body(bh, ih); for (j = 0; j < I_UNFM_NUM(ih); j++) { unsigned long unfm_block; if (d32_get(indirect, j) == 0) /* hole */ continue; unfm_block = move_unformatted_block(fs, d32_get (indirect, j), bnd, h + 1); if (unfm_block) { d32_put(indirect, j, unfm_block); mark_buffer_dirty(bh); } } } } } else if (is_internal_node(bh)) { /* internal node */ int_node_cnt++; node_is_internal = 1; for (i = 0; i <= B_NR_ITEMS(bh); i++) { unsigned long moved_block; moved_block = move_formatted_block(fs, get_dc_child_blocknr(B_N_CHILD (bh, i)), bnd, h + 1); if (moved_block) { set_dc_child_blocknr(B_N_CHILD(bh, i), moved_block); mark_buffer_dirty(bh); } } } else { DIE("block (%lu) has invalid format\n", block); } if (buffer_dirty(bh)) { mark_buffer_uptodate(bh, 1); bwrite(bh); } brelse(bh); new_blocknr = move_generic_block(fs, block, bnd, h); if (new_blocknr) { if (node_is_internal) int_moved_cnt++; else leaf_moved_cnt++; } return new_blocknr; } int shrink_fs(reiserfs_filsys_t fs, long long int blocks) { unsigned long n_root_block; unsigned int bmap_nr_new; unsigned long bad_count; ondisk_sb = fs->fs_ondisk_sb; bmap_nr_new = (blocks - 1) / (8 * fs->fs_blocksize) + 1; /* is shrinking possible ? */ if (get_sb_block_count(ondisk_sb) - blocks > get_sb_free_blocks(ondisk_sb) + reiserfs_fs_bmap_nr(fs) - bmap_nr_new) { fprintf(stderr, "resize_reiserfs: can\'t shrink fs; too many " "blocks already allocated\n"); return -1; } /* warn about alpha version */ { int c; printf("You are running BETA version of reiserfs shrinker.\n" "This version is only for testing or VERY CAREFUL use.\n" "Backup of you data is recommended.\n\n" "Do you want to continue? [y/N]:"); fflush(stdout); c = getchar(); if (c != 'y' && c != 'Y') exit(1); } reiserfs_reopen(fs, O_RDWR); if (reiserfs_open_ondisk_bitmap(fs)) reiserfs_exit(1, "cannot open ondisk bitmap"); bmp = fs->fs_bitmap2; ondisk_sb = fs->fs_ondisk_sb; set_sb_fs_state(fs->fs_ondisk_sb, FS_ERROR); mark_buffer_uptodate(fs->fs_super_bh, 1); mark_buffer_dirty(fs->fs_super_bh); bwrite(fs->fs_super_bh); /* calculate number of data blocks */ blocks_used = get_sb_block_count(fs->fs_ondisk_sb) - get_sb_free_blocks(fs->fs_ondisk_sb) - reiserfs_fs_bmap_nr(fs) - get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)) - REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize - 2; /* superblock itself and 1 descriptor after the journal */ unused_block = 1; if (opt_verbose) { printf("Processing the tree: "); fflush(stdout); } n_root_block = move_formatted_block(fs, get_sb_root_block(ondisk_sb), blocks, 0); if (n_root_block) set_sb_root_block(ondisk_sb, n_root_block); if (opt_verbose) printf("\n\nnodes processed (moved):\n" "int %lu (%lu),\n" "leaves %lu (%lu),\n" "unfm %lu (%lu),\n" "total %lu (%lu).\n\n", int_node_cnt, int_moved_cnt, leaf_node_cnt, leaf_moved_cnt, unfm_node_cnt, unfm_moved_cnt, (unsigned long)total_node_cnt, total_moved_cnt); if (block_count_mismatch) { fprintf(stderr, "resize_reiserfs: data block count %lu" " doesn\'t match data block count %lu from super block\n", (unsigned long)total_node_cnt, blocks_used); } { unsigned long l; /* make sure that none of truncated block are in use */ printf("check for used blocks in truncated region\n"); for (l = blocks; l < fs->fs_bitmap2->bm_bit_size; l++) { if ((l % (fs->fs_blocksize * 8)) == 0) continue; if (reiserfs_bitmap_test_bit(fs->fs_bitmap2, l)) printf("<%lu>", l); } printf("\n"); } badblock_list(fs, mark_badblock, NULL); if (fs->fs_badblocks_bm) { bad_count = reiserfs_bitmap_ones(fs->fs_badblocks_bm); reiserfs_shrink_bitmap(fs->fs_badblocks_bm, blocks); add_badblock_list(fs, 1); bad_count -= reiserfs_bitmap_ones(fs->fs_badblocks_bm); } else bad_count = 0; reiserfs_shrink_bitmap(fs->fs_bitmap2, blocks); set_sb_free_blocks(ondisk_sb, get_sb_free_blocks(ondisk_sb) - (get_sb_block_count(ondisk_sb) - blocks) + (reiserfs_fs_bmap_nr(fs) - bmap_nr_new) + bad_count); set_sb_block_count(ondisk_sb, blocks); set_sb_bmap_nr(ondisk_sb, bmap_nr_new); set_sb_bmap_nr(fs->fs_ondisk_sb, reiserfs_bmap_over(bmap_nr_new) ? 0 : bmap_nr_new); return 0; } reiserfsprogs-3.6.25/resize_reiserfs/resize.h0000644000175000001440000000161512215632405016301 00000000000000/* * Copyright 2000-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifndef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include "../version.h" #if __GLIBC__ >= 2 #include #else #include #endif #include #include #include #define print_usage_and_exit() {\ fprintf (stderr, "Usage: %s [-s[+|-]#[G|M|K]] [-fqvV] device\n\n", argv[0]);\ exit(16);\ } #define DIE(form, args...) die("%s: " form "\n", g_progname , ## args) /* reiserfs_resize.c */ extern struct buffer_head *g_sb_bh; extern char *g_progname; extern int opt_force; extern int opt_verbose; extern int opt_nowrite; extern int opt_safe; /* fe.c */ extern int resize_fs_online(char *devname, long long int blocks); /* do_shrink.c */ extern int shrink_fs(reiserfs_filsys_t , long long int blocks); reiserfsprogs-3.6.25/resize_reiserfs/resize_reiserfs.80000644000175000001440000000565412725336323020140 00000000000000.\" -*- nroff -*- .\" Copyright 1996-2004 Hans Reiser. .\" .TH RESIZE_REISERFS 8 "January 2009" "Reiserfsprogs-3.6.25" .SH NAME resize_reiserfs \- resizer tool for the ReiserFS filesystem .SH SYNOPSIS .BR resize_reiserfs [ .B \-s .IR \fR[\fB+\fR|\fB\- ]\fIsize\fB[\fBK\fR|\fBM\fR|\fBG\fR] ] [ .B \-j .IR \fR\fIdev ] [ .B \-fqv ] .I device .SH DESCRIPTION The .B resize_reiserfs tool resizes an unmounted reiserfs file system. It enlarges or shrinks an reiserfs file system located on a .I device so that it will have .I size bytes or size=old_size +(\-) .I size bytes if the + or \- prefix is used. If the .B \-s option is not specified, the filesystem will be resized to fill the given device. The .I size parameter may have one of the optional modifiers .BR K ", " M ", " G , which means the .I size parameter is given in kilo\-, mega\-, gigabytes respectively. .PP The .B resize_reiserfs program does not manipulate the size of the device. If you wish to enlarge a filesystem, you must make sure you expand the underlying device first. This can be done using .BR cfdisk (8) for partitions, by deleting the partition and recreating it with a larger size (assuming there is free space .I after the partition in question). Make sure you re\-create it with the same starting disk cylinder as before! Otherwise, the resize operation will certainly not work, and you may lose your entire filesystem. .PP The .B resize_reiserfs program allows to grow a reiserfs on-line if there is a free space on block .I device. .PP If you wish to shrink a reiserfs partition, first use .B resize_reiserfs to shrink the file system. You may then use .BR cfdisk (8) to shrink the device. When shrinking the size of the device, make sure you do not make it smaller than the reduced size of the reiserfs filesystem. .SH OPTIONS .TP .BR \-s\ [+|\-]\fIsize Set the new size in bytes. .TP .BR \-j\ \fIdev Set the journal device name. .TP .BR \-f Force, do not perform checks. .TP .BR \-q Do not print anything but error messages. .TP .BR \-v Turn on extra progress status messages (default). .SH RETURN VALUES 0 Resizing successful. .TP \-1 Resizing not successful. .SH EXAMPLES The following example shows how to test .B resize_reiserfs\fR. Suppose 2Gb reiserfs filesystem is created on the device /dev/hda8 and is mounted on /mnt. For shrinking the device we need to unmount it first, then run .B resize_reiserfs with a .I size \fR parameter (in this case -1Gb): .PP \ df .br \ umount /mnt .br \ resize_reiserfs \-s \-1G /dev/hda8 .br \ mount /dev/hda8 /mnt .br \ df /mnt .SH AUTHOR This version of .B resize_reiserfs has been written by Alexander Zarochentcev . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR cfdisk (8), .BR reiserfsck (8), .BR debugreiserfs (8) reiserfsprogs-3.6.25/mkreiserfs/0000755000175000001440000000000012725336325013663 500000000000000reiserfsprogs-3.6.25/mkreiserfs/Makefile.am0000644000175000001440000000054112270511625015630 00000000000000sbin_PROGRAMS = mkreiserfs mkreiserfs_SOURCES = mkreiserfs.c man_MANS = mkreiserfs.8 EXTRA_DIST = $(man_MANS) LDADD = $(top_builddir)/reiserfscore/libreiserfscore.la install-exec-hook: $(LN_S) mkreiserfs $(DESTDIR)$(sbindir)/mkfs.reiserfs $(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man8 $(LN_S) mkreiserfs.8 $(DESTDIR)$(mandir)/man8/mkfs.reiserfs.8 reiserfsprogs-3.6.25/mkreiserfs/Makefile.in0000644000175000001440000005461412725336310015654 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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If omitted, \fBmkreiserfs\fR will automatically set it. .SH OPTIONS .TP \fB-b\fR | \fB--block-size \fIN\fR \fIN\fR is block size in bytes. It may only be set to a power of 2 within the 512-8192 interval. .TP \fB-h\fR | \fB--hash \fIHASH\fR \fIHASH\fR specifies which hash function will sort the names in the directories. Choose from r5, rupasov, or tea. r5 is the default one. .TP \fB--format \fIFORMAT\fR \fIFORMAT\fR specifies the format for the new filsystem. Choose format 3.5 or 3.6. If none is specified \fBmkreiserfs\fR will create format 3.6 if running kernel is 2.4 or higher, and format 3.5 if kernel 2.2 is running, and will refuse creation under all other kernels. .TP \fB-u\fR | \fB--uuid \fIUUID\fR Sets the Universally Unique IDentifier of the filesystem to \fIUUID\fR (see also \fBuuidgen(8)\fR). The format of the \fIUUID\fR is a series of hex digits separated by hypthens, e.g.: "c1b9d5a2-f162-11cf-9ece-0020afc76f16". If the option is skipped, \fBmkreiserfs\fR will by default generate a new \fIUUID\fR. .TP \fB-l\fR | \fB--label \fILABEL\fR Sets the volume label of the filesystem. \fILABEL\fR can at most be 16 characters long; if it is longer than 16 characters, \fBmkreiserfs\fR will truncate it. .TP \fB-q\fR | \fB--quiet \fR Sets \fBmkreiserfs\fR to work quietly without producing messages, progress or questions. It is useful, but only for use by end users, if you run \fBmkreiserfs\fR in a script. .TP \fB-j\fR | \fB--journal-device \fIFILE\fR \fIFILE\fR is the name of the block device on which is to be places the filesystem journal. .TP \fB-o\fR | \fB--journal-offset \fIN\fR \fIN\fR is the offset where the journal starts when it is to be on a separate device. Default is 0. \fIN\fR has no effect when the journal is to be on the host device. .TP \fB-s\fR | \fB--journal-size \fIN \fIN\fR is the size of the journal in blocks. When the journal is to be on a separate device, its size defaults to the number of blocks that the device has. When journal is to be on the host device, its size defaults to 8193 and the maximal possible size is 32749 (for blocksize 4k). The minimum size is 513 blocks (whether the journal is on the host or on a separate device). .TP \fB-t\fR | \fB--transaction-max-size \fIN \fIN\fR is the maximum transaction size parameter for the journal. The default, and max possible, value is 1024 blocks. It should be less than half the size of the journal. If specified incorrectly, it will automatically be adjusted. .TP \fB-B\fR | \fB--badblocks \fIfile \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the filesystem. This list can be created by \fB/sbin/badblocks \-b block-size device\fR. .TP \fB-f\fR Forces \fBmkreiserfs\fR to continue even when the device is the whole disk, looks mounted, or is not a block device. If \fB-f\fR is specified more than once, it allows the user to avoid asking for confirmation. .TP \fB-d\fR Sets \fBmkreiserfs\fR to print debugging information during \fBmkreiserfs\fR. .TP \fB-V\fR Prints the version and then exits. .SH AUTHOR This version of .B mkreiserfs has been written by Edward Shishkin . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR debugreiserfs (8), .BR reiserfstune (8) reiserfsprogs-3.6.25/mkreiserfs/mkreiserfs.c0000644000175000001440000005143112725332456016126 00000000000000/* * Copyright 1996-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ /* mkreiserfs is very simple. It skips first 64k of device, and then writes the super block, the needed amount of bitmap blocks (this amount is calculated based on file system size), and root block. Bitmap policy is primitive: it assumes, that device does not have unreadable blocks, and it occupies first blocks for super, bitmap and root blocks. bitmap blocks are interleaved across the disk, mainly to make resizing faster. */ #define _GNU_SOURCE #ifndef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include "../version.h" #include #include #include #include #include #include #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) # include #endif static char *program_name; static void message(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); static void message(const char *fmt, ...) { char *buf; va_list args; buf = NULL; va_start(args, fmt); vasprintf(&buf, fmt, args); va_end(args); if (buf) { fprintf(stderr, "%s: %s\n", program_name, buf); free(buf); } } static void print_usage_and_exit(void) { fprintf(stderr, "Usage: %s [options] " " device [block-count]\n" "\n" "Options:\n\n" " -b | --block-size N size of file-system block, in bytes\n" " -j | --journal-device FILE path to separate device to hold journal\n" " -s | --journal-size N size of the journal in blocks\n" " -o | --journal-offset N offset of the journal from the start of\n" " the separate device, in blocks\n" " -t | --transaction-max-size N maximal size of transaction, in blocks\n" " -B | --badblocks file store all bad blocks given in file on the fs\n" " -h | --hash rupasov|tea|r5 hash function to use by default\n" " -u | --uuid UUID store UUID in the superblock\n" " -l | --label LABEL store LABEL in the superblock\n" " --format 3.5|3.6 old 3.5 format or newer 3.6\n" " -f | --force specified once, make mkreiserfs the whole\n" " disk, not block device or mounted partition;\n" " specified twice, do not ask for confirmation\n" " -q | --quiet quiet work without messages, progress and\n" " questions. Useful if run in a script. For use\n" " by end users only.\n" " -d | --debug print debugging information during mkreiser\n" " -V print version and exit\n", program_name); exit(1); } static int Create_default_journal = 1; static int Block_size = 4096; /* size of journal + 1 block for journal header */ static unsigned long Journal_size = 0; static int Max_trans_size = 0; //JOURNAL_TRANS_MAX; static int Hash = DEFAULT_HASH; static int Offset = 0; static char *Format; static unsigned char UUID[16]; static char *LABEL = NULL; static char *badblocks_file; enum mkfs_mode { DEBUG_MODE = 1 << 0, QUIET_MODE = 1 << 1, DO_NOTHING = 1 << 2 }; static int mode; /* form super block (old one) */ static void make_super_block(reiserfs_filsys_t fs) { set_sb_umount_state(fs->fs_ondisk_sb, FS_CLEANLY_UMOUNTED); set_sb_tree_height(fs->fs_ondisk_sb, 2); set_sb_hash_code(fs->fs_ondisk_sb, Hash); if (fs->fs_format == REISERFS_FORMAT_3_6) { #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (uuid_is_null(UUID)) uuid_generate(UUID); memcpy(fs->fs_ondisk_sb->s_uuid, UUID, 16); #endif if (LABEL != NULL) { if (strlen(LABEL) > 16) reiserfs_warning(stderr, "\nSpecified LABEL is longer then 16 " "characters, will be truncated\n\n"); strncpy(fs->fs_ondisk_sb->s_label, LABEL, 16); } set_sb_v2_flag(fs->fs_ondisk_sb, reiserfs_attrs_cleared); } if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb) || strcmp(fs->fs_file_name, fs->fs_j_file_name)) /* either standard journal (and we leave all new fields to be 0) or journal is created on separate device so there is no space on data device which can be used as a journal */ set_sb_reserved_for_journal(fs->fs_ondisk_sb, 0); else set_sb_reserved_for_journal(fs->fs_ondisk_sb, get_jp_journal_size(sb_jp (fs-> fs_ondisk_sb)) + 1); if (fs->fs_badblocks_bm) set_sb_free_blocks(fs->fs_ondisk_sb, get_sb_free_blocks(fs->fs_ondisk_sb) - fs->fs_badblocks_bm->bm_set_bits); } /* wipe out first 64 k of a device and both possible reiserfs super block */ static void invalidate_other_formats(int dev) { struct buffer_head *bh; bh = bread(dev, 0, 64 * 1024); if (!bh) { reiserfs_exit(1, "Unable to read first blocks of the device"); } #if defined(__sparc__) || defined(__sparc_v9__) memset(bh->b_data + 1024, 0, bh->b_size - 1024); #else memset(bh->b_data, 0, bh->b_size); #endif mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); bwrite(bh); brelse(bh); } static void zero_journal(reiserfs_filsys_t fs) { unsigned long start, len, done; struct buffer_head *bh; unsigned int i; fprintf(stdout, "Initializing journal - "); start = get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)); len = get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)); done = 0; for (i = 0; i < len; i++) { print_how_far(stdout, &done, len, 1, 1 /*be quiet */ ); bh = getblk(fs->fs_journal_dev, start + i, fs->fs_blocksize); if (!bh) { reiserfs_exit(1, "zero_journal: getblk failed"); } memset(bh->b_data, 0, bh->b_size); mark_buffer_dirty(bh); mark_buffer_uptodate(bh, 1); bwrite(bh); brelse(bh); } fprintf(stdout, "\n"); fflush(stdout); } /* this only sets few first bits in bitmap block. Fills not initialized fields of super block (root block and bitmap block numbers) */ static void make_bitmap(reiserfs_filsys_t fs) { struct reiserfs_super_block *sb = fs->fs_ondisk_sb; unsigned int i; unsigned long block; int marked; marked = 0; /* mark skipped area and super block */ for (i = 0; i <= fs->fs_super_bh->b_blocknr; i++) { reiserfs_bitmap_set_bit(fs->fs_bitmap2, i); marked++; } if (fs->fs_badblocks_bm) { for (i = 0; i < get_sb_block_count(sb); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) { reiserfs_bitmap_set_bit(fs->fs_bitmap2, i); marked++; } } } /* mark bitmaps as used */ block = fs->fs_super_bh->b_blocknr + 1; for (i = 0; i < reiserfs_fs_bmap_nr(fs); i++) { reiserfs_bitmap_set_bit(fs->fs_bitmap2, block); marked++; if (spread_bitmaps(fs)) block = (block / (fs->fs_blocksize * 8) + 1) * (fs->fs_blocksize * 8); else block++; } if (!get_size_of_journal_or_reserved_area(fs->fs_ondisk_sb)) /* root block follows directly super block and first bitmap */ block = fs->fs_super_bh->b_blocknr + 1 + 1; else { /* makr journal blocks as used */ for (i = 0; i <= get_jp_journal_size(sb_jp(sb)); i++) { reiserfs_bitmap_set_bit(fs->fs_bitmap2, i + get_jp_journal_1st_block(sb_jp (sb))); marked++; } block = get_jp_journal_1st_block(sb_jp(sb)) + i; } /*get correct block - not journal nor bitmap */ while (block_of_journal(fs, block) || block_of_bitmap(fs, block)) { block++; } while ((block < get_sb_block_count(sb)) && reiserfs_bitmap_test_bit(fs->fs_bitmap2, block)) { block++; } if (block >= get_sb_block_count(sb)) reiserfs_exit(1, "mkreiserfs: too many bad blocks"); reiserfs_bitmap_set_bit(fs->fs_bitmap2, block); marked++; set_sb_root_block(sb, block); set_sb_free_blocks(sb, get_sb_block_count(sb) - marked); } static void set_root_dir_nlink(struct item_head *ih, void *sd) { __u32 nlink; nlink = 3; set_sd_nlink(ih, sd, &nlink); } /* form the root block of the tree (the block head, the item head, the root directory) */ static void make_root_block(reiserfs_filsys_t fs) { struct reiserfs_super_block *sb; struct buffer_head *bh; sb = fs->fs_ondisk_sb; /* get memory for root block */ bh = getblk(fs->fs_dev, get_sb_root_block(sb), get_sb_block_size(sb)); if (!bh) { reiserfs_exit(1, "getblk failed"); } mark_buffer_uptodate(bh, 1); make_empty_leaf(bh); make_sure_root_dir_exists(fs, set_root_dir_nlink, 0); brelse(bh); mark_objectid_used(fs, REISERFS_ROOT_PARENT_OBJECTID); mark_objectid_used(fs, REISERFS_ROOT_OBJECTID); } static void report(reiserfs_filsys_t fs, char *j_filename) { // print_block (stdout, fs, fs->fs_super_bh); struct reiserfs_super_block *sb = (struct reiserfs_super_block *)(fs->fs_super_bh->b_data); struct stat st; dev_t rdev; if (!is_any_reiserfs_magic_string(sb)) return; if (fstat(fs->fs_super_bh->b_dev, &st) == -1) { /*reiserfs_warning (stderr, "fstat failed: %s\n", strerror(errno)); */ rdev = 0; } else rdev = st.st_rdev; if (mode & DEBUG_MODE) { reiserfs_warning(stdout, "Block %lu (0x%x) contains super block. ", fs->fs_super_bh->b_blocknr, rdev); } switch (get_reiserfs_format(sb)) { case REISERFS_FORMAT_3_5: reiserfs_warning(stdout, " Format 3.5 with "); break; case REISERFS_FORMAT_3_6: reiserfs_warning(stdout, "Format 3.6 with "); break; } if (is_reiserfs_jr_magic_string(sb)) reiserfs_warning(stdout, "non-"); reiserfs_warning(stdout, "standard journal\n"); reiserfs_warning(stdout, "Count of blocks on the device: %u\n", get_sb_block_count(sb)); reiserfs_warning(stdout, "Number of blocks consumed by mkreiserfs " "formatting process: %u\n", get_sb_block_count(sb) - get_sb_free_blocks(sb)); if (mode & DEBUG_MODE) reiserfs_warning(stdout, "Free blocks: %u\n", get_sb_free_blocks(sb)); reiserfs_warning(stdout, "Blocksize: %d\n", get_sb_block_size(sb)); reiserfs_warning(stdout, "Hash function used to sort names: %s\n", code2name(get_sb_hash_code(sb))); if (mode & DEBUG_MODE) { reiserfs_warning(stdout, "Number of bitmaps: %u", get_sb_bmap_nr(sb)); if (get_sb_bmap_nr(sb) != reiserfs_fs_bmap_nr(fs)) reiserfs_warning(stdout, " (really uses %u)", reiserfs_fs_bmap_nr(fs)); reiserfs_warning(stdout, "\nRoot block: %u\n", get_sb_root_block(sb)); reiserfs_warning(stdout, "Tree height: %d\n", get_sb_tree_height(sb)); reiserfs_warning(stdout, "Objectid map size %d, max %d\n", get_sb_oid_cursize(sb), get_sb_oid_maxsize(sb)); reiserfs_warning(stdout, "Journal parameters:\n"); print_journal_params(stdout, sb_jp(sb)); } else { if (j_filename && strcmp(j_filename, fs->fs_file_name)) reiserfs_warning(stdout, "Journal Device [0x%x]\n", get_jp_journal_dev(sb_jp(sb))); reiserfs_warning(stdout, "Journal Size %u blocks (first block %u)\n", get_jp_journal_size(sb_jp(sb)) + 1, get_jp_journal_1st_block(sb_jp(sb))); reiserfs_warning(stdout, "Journal Max transaction length %u\n", get_jp_journal_max_trans_len(sb_jp(sb))); } if (j_filename && strcmp(j_filename, fs->fs_file_name)) { reiserfs_warning(stdout, "Space on this device reserved by journal: " "%u\n", get_sb_reserved_for_journal(sb)); } if (mode & DEBUG_MODE) { reiserfs_warning(stdout, "Filesystem state 0x%x\n", get_sb_fs_state(sb)); reiserfs_warning(stdout, "sb_version %u\n", get_sb_version(sb)); } if (get_reiserfs_format(sb) == REISERFS_FORMAT_3_6) { reiserfs_warning(stdout, "inode generation number: %u\n", get_sb_v2_inode_generation(sb)); reiserfs_warning(stdout, "UUID: %U\n", sb->s_uuid); if (strcmp(sb->s_label, "")) reiserfs_warning(stdout, "LABEL: %s\n", sb->s_label); } return; } static void set_hash_function(char *str) { if (!strcmp(str, "tea")) Hash = TEA_HASH; else if (!strcmp(str, "rupasov")) Hash = YURA_HASH; else if (!strcmp(str, "r5")) Hash = R5_HASH; else message("wrong hash type specified. Using default"); } static void set_reiserfs_version(char *str) { if (!strcmp(str, "3.5")) Format = "3.5"; else { Format = "3.6"; if (strcmp(str, "3.6")) message("wrong reiserfs version specified. " "Using default 3.6 format"); } } static int str2int(char *str) { int val; char *tmp; val = (int)strtol(str, &tmp, 0); if (*tmp) { reiserfs_exit(1, "%s: strtol is unable to make an integer of %s\n", program_name, str); } return val; } static __u64 str2u64(char *str) { __u64 val; char *tmp; val = (__u64) strtoll(str, &tmp, 0); if (*tmp) { reiserfs_exit(1, "%s: strtoll is unable to make an integer of %s\n", program_name, str); } return val; } static void set_block_size(char *str, int *b_size) { *b_size = str2int(str); if (!is_blocksize_correct(*b_size)) reiserfs_exit(1, "%s: wrong blocksize %s specified, " "only power of 2 from 512-8192 interval " "are supported", program_name, str); } static void set_transaction_max_size(char *str) { Max_trans_size = str2int(str); } /* reiserfs_create_journal will check this */ static void set_journal_device_size(char *str) { Journal_size = str2int(str); /* if (Journal_size < JOURNAL_MIN_SIZE) die ("%s: wrong journal size specified: %lu. Should be at least %u", program_name, Journal_size + 1, JOURNAL_MIN_SIZE + 1); */ } /* reiserfs_create_journal will check this */ static void set_offset_in_journal_device(char *str) { Offset = str2int(str); } static int is_journal_default(char *name, char *jname, int blocksize) { if (jname && strcmp(name, jname)) return 0; if (Journal_size && Journal_size != journal_default_size(REISERFS_DISK_OFFSET_IN_BYTES / blocksize, blocksize) + 1) /* journal size is set and it is not default size */ return 0; if (Max_trans_size && Max_trans_size != JOURNAL_TRANS_MAX) return 0; return 1; } /* if running kernel is 2.2 - mkreiserfs creates 3.5 format, if 2.4 - 3.6, otherwise - mkreiserfs fails */ static int select_format(void) { struct utsname sysinfo; if (Format) { if (!strcmp(Format, "3.5")) return REISERFS_FORMAT_3_5; if (strcmp(Format, "3.6")) { message("Unknown fromat %s specified\n", Format); exit(1); } return REISERFS_FORMAT_3_6; } reiserfs_warning(stdout, "Guessing about desired format.. "); if (uname(&sysinfo) == -1) { message("could not get system info: %s", strerror(errno)); exit(1); } reiserfs_warning(stdout, "Kernel %s is running.\n", sysinfo.release); if (strncmp(sysinfo.release, "2.4", 3) >= 0) return REISERFS_FORMAT_3_6; if (strncmp(sysinfo.release, "2.2", 3)) { message("You should run either 2.2 or 2.4 or higher to be able " "to create reiserfs filesystem or specify desired format with --format"); exit(1); } reiserfs_warning(stdout, "Creating filesystem of format 3.5\n"); return REISERFS_FORMAT_3_5; } static int block_size_ok(int blocksize, int force) { int pagesize = getpagesize(); if (blocksize > 4096) { reiserfs_warning(stderr, "Block sizes larger than 4k are not " "supported on all architectures.\n"); if (blocksize > pagesize) reiserfs_warning(stderr, "The newly created filesystem will not " "be mountable on this system.\n"); else reiserfs_warning(stderr, "The newly created filesystem may not " "be mountable on other systems.\n"); check_forcing_ask_confirmation(force); } else if (blocksize < 4096) { reiserfs_warning(stderr, "Block sizes smaller than 4k " "are not supported.\n"); return 0; } return 1; } int main(int argc, char **argv) { reiserfs_filsys_t fs; int force = 0; char *device_name = NULL; char *jdevice_name = NULL; __u64 fs_size = 0; int c; static int flag; long error; program_name = strrchr(argv[0], '/'); if (program_name) program_name++; else program_name = argv[0]; if (argc < 2) print_usage_and_exit(); memset(UUID, 0, 16); while (1) { static struct option options[] = { {"block-size", required_argument, NULL, 'b'}, {"journal-device", required_argument, NULL, 'j'}, {"journal-size", required_argument, NULL, 's'}, {"transaction-max-size", required_argument, NULL, 't'}, {"journal-offset", required_argument, NULL, 'o'}, {"badblocks", required_argument, NULL, 'B'}, {"hash", required_argument, NULL, 'h'}, {"uuid", required_argument, NULL, 'u'}, {"label", required_argument, NULL, 'l'}, {"format", required_argument, &flag, 1}, {} }; int option_index; c = getopt_long(argc, argv, "b:j:s:t:o:h:u:l:VfdB:q", options, &option_index); if (c == -1) break; switch (c) { case 0: if (flag) { Format = optarg; flag = 0; } break; case 'b': /* --block-size */ set_block_size(optarg, &Block_size); break; case 'j': /* --journal-device */ Create_default_journal = 0; jdevice_name = optarg; break; case 's': /* --journal-size */ Create_default_journal = 0; set_journal_device_size(optarg); break; case 't': /* --transaction-max-size */ Create_default_journal = 0; set_transaction_max_size(optarg); break; case 'o': /* --offset */ Create_default_journal = 0; set_offset_in_journal_device(optarg); break; case 'B': /* --badblock-list */ asprintf(&badblocks_file, "%s", optarg); break; case 'h': /* --hash */ set_hash_function(optarg); break; case 'v': /* --format */ set_reiserfs_version(optarg); break; case 'V': mode = DO_NOTHING; break; case 'f': force++; break; case 'd': mode |= DEBUG_MODE; break; case 'u': #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (uuid_parse(optarg, UUID) < 0) { reiserfs_warning(stderr, "Invalid UUID '%s' is " "specified\n", optarg); return 1; } #else message("Cannot set up the UUID, uuidlib was not " "found by configure.\n"); return 1; #endif break; case 'l': LABEL = optarg; break; case 'q': mode |= QUIET_MODE; break; default: print_usage_and_exit(); } } print_banner(program_name); if (mode & QUIET_MODE) fclose(stdout); if (mode == DO_NOTHING) exit(0); /* device to be formatted */ device_name = argv[optind]; if (optind == argc - 2) { /* number of blocks for filesystem is specified */ fs_size = str2u64(argv[optind + 1]); } else if (optind == argc - 1) { /* number of blocks is not specified */ if (!(fs_size = count_blocks(device_name, Block_size))) exit(1); } else { print_usage_and_exit(); } if (fs_size >= UINT_MAX) { fprintf(stderr, ">>> ReiserFS supports file systems of up to %u " "blocks.\n>>> The maximum size with a block size of %u bytes " "is about %Lu MiB.\n>>> This file system would occupy %Lu " "blocks. ", UINT_MAX, Block_size, ((__u64) UINT_MAX * Block_size) / (1024 * 1024), fs_size); if (optind == argc - 1) { if (!force && !user_confirmed(stderr, "Truncate? (y/N): ", "y\n")) { fprintf(stderr, "\nExiting.\n\n"); exit(1); } fprintf(stderr, "Truncating.\n\n"); fs_size = UINT_MAX; } else { fprintf(stderr, "Exiting.\n\n"); exit(1); } } if (is_journal_default(device_name, jdevice_name, Block_size)) Create_default_journal = 1; if (!(mode & QUIET_MODE) && !can_we_format_it(device_name, force)) return 1; if (!(mode & QUIET_MODE) && !block_size_ok(Block_size, force)) return 1; if (jdevice_name) if (!(mode & QUIET_MODE) && !can_we_format_it(jdevice_name, force)) return 1; fs = reiserfs_create(device_name, select_format(), fs_size, Block_size, Create_default_journal, 1, &error); if (!fs) { reiserfs_warning(stderr, "reiserfs_create failed: %s %ld\n", error_message(error), error); return 1; } if (!reiserfs_create_journal(fs, jdevice_name, Offset, Journal_size, Max_trans_size, force)) { return 1; } if (!reiserfs_create_ondisk_bitmap(fs)) { return 1; } /* these fill buffers (super block, first bitmap, root block) with reiserfs structures */ #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (!uuid_is_null(UUID) && fs->fs_format != REISERFS_FORMAT_3_6) { reiserfs_warning(stderr, "UUID can be specified only with 3.6 format\n"); return 1; } #endif if (badblocks_file) { if (create_badblock_bitmap(fs, badblocks_file)) exit(1); } make_super_block(fs); make_bitmap(fs); make_root_block(fs); add_badblock_list(fs, 1); report(fs, jdevice_name); if (!force && !(mode & QUIET_MODE)) { fprintf(stderr, "ATTENTION: YOU SHOULD REBOOT AFTER FDISK!\n" "\tALL DATA WILL BE LOST ON '%s'", device_name); if (jdevice_name && strcmp(jdevice_name, device_name)) fprintf(stderr, " AND ON JOURNAL DEVICE '%s'", jdevice_name); if (!user_confirmed(stderr, "!\nContinue (y/n):", "y\n")) return 1; } invalidate_other_formats(fs->fs_dev); zero_journal(fs); reiserfs_close(fs); printf("Syncing.."); fflush(stdout); sync(); printf("ok\n"); if (mode & DEBUG_MODE) return 0; printf("ReiserFS is successfully created on %s.\n", device_name); return 0; } /* * Use BSD fomatting. * Local variables: * c-indentation-style: "bsd" * mode-name: "BSDC" * c-basic-offset: 4 * tab-width: 4 * End: */ reiserfsprogs-3.6.25/mkreiserfs/mkreiserfs.80000644000175000001440000001071512725336323016050 00000000000000.\" -*- nroff -*- .\" Copyright 1996-2004 Hans Reiser. .\" .TH MKREISERFS 8 "January 2009" "Reiserfsprogs-3.6.25" .SH NAME mkreiserfs \- The create tool for the Linux ReiserFS filesystem. .SH SYNOPSIS .B mkreiserfs [ \fB-dfV\fR ] [ \fB-b\fR | \fB--block-size \fIN\fR ] [ \fB-h\fR | \fB--hash \fIHASH\fR ] [ \fB-u\fR | \fB--uuid \fIUUID\fR ] [ \fB-l\fR | \fB--label \fILABEL\fR ] [ \fB--format \fIFORMAT\fR ] [ \fB-q\fR | \fB--quiet\fR ] [ \fB-j\fR | \fB--journal-device \fIFILE\fR ] [ \fB-s\fR | \fB--journal-size \fIN\fR ] [ \fB-o\fR | \fB--journal-offset \fIN\fR ] [ \fB-t\fR | \fB--transaction-max-size\fR \fIN\fR ] [ \fB-B\fR | \fB--badblocks\fR \fIfile\fR ] \fI device\fR [ \fIfilesystem-size\fR ] .SH DESCRIPTION \fBmkreiserfs\fR creates a Linux ReiserFS filesystem on a device (usually a disk partition). .TP .I device is the special file corresponding to a device or to a partition (e.g /dev/hdXX for an IDE disk partition or /dev/sdXX for a SCSI disk partition). .TP .I filesystem-size is the size in blocks of the filesystem. If omitted, \fBmkreiserfs\fR will automatically set it. .SH OPTIONS .TP \fB-b\fR | \fB--block-size \fIN\fR \fIN\fR is block size in bytes. It may only be set to a power of 2 within the 512-8192 interval. .TP \fB-h\fR | \fB--hash \fIHASH\fR \fIHASH\fR specifies which hash function will sort the names in the directories. Choose from r5, rupasov, or tea. r5 is the default one. .TP \fB--format \fIFORMAT\fR \fIFORMAT\fR specifies the format for the new filsystem. Choose format 3.5 or 3.6. If none is specified \fBmkreiserfs\fR will create format 3.6 if running kernel is 2.4 or higher, and format 3.5 if kernel 2.2 is running, and will refuse creation under all other kernels. .TP \fB-u\fR | \fB--uuid \fIUUID\fR Sets the Universally Unique IDentifier of the filesystem to \fIUUID\fR (see also \fBuuidgen(8)\fR). The format of the \fIUUID\fR is a series of hex digits separated by hypthens, e.g.: "c1b9d5a2-f162-11cf-9ece-0020afc76f16". If the option is skipped, \fBmkreiserfs\fR will by default generate a new \fIUUID\fR. .TP \fB-l\fR | \fB--label \fILABEL\fR Sets the volume label of the filesystem. \fILABEL\fR can at most be 16 characters long; if it is longer than 16 characters, \fBmkreiserfs\fR will truncate it. .TP \fB-q\fR | \fB--quiet \fR Sets \fBmkreiserfs\fR to work quietly without producing messages, progress or questions. It is useful, but only for use by end users, if you run \fBmkreiserfs\fR in a script. .TP \fB-j\fR | \fB--journal-device \fIFILE\fR \fIFILE\fR is the name of the block device on which is to be places the filesystem journal. .TP \fB-o\fR | \fB--journal-offset \fIN\fR \fIN\fR is the offset where the journal starts when it is to be on a separate device. Default is 0. \fIN\fR has no effect when the journal is to be on the host device. .TP \fB-s\fR | \fB--journal-size \fIN \fIN\fR is the size of the journal in blocks. When the journal is to be on a separate device, its size defaults to the number of blocks that the device has. When journal is to be on the host device, its size defaults to 8193 and the maximal possible size is 32749 (for blocksize 4k). The minimum size is 513 blocks (whether the journal is on the host or on a separate device). .TP \fB-t\fR | \fB--transaction-max-size \fIN \fIN\fR is the maximum transaction size parameter for the journal. The default, and max possible, value is 1024 blocks. It should be less than half the size of the journal. If specified incorrectly, it will automatically be adjusted. .TP \fB-B\fR | \fB--badblocks \fIfile \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the filesystem. This list can be created by \fB/sbin/badblocks \-b block-size device\fR. .TP \fB-f\fR Forces \fBmkreiserfs\fR to continue even when the device is the whole disk, looks mounted, or is not a block device. If \fB-f\fR is specified more than once, it allows the user to avoid asking for confirmation. .TP \fB-d\fR Sets \fBmkreiserfs\fR to print debugging information during \fBmkreiserfs\fR. .TP \fB-V\fR Prints the version and then exits. .SH AUTHOR This version of .B mkreiserfs has been written by Edward Shishkin . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR debugreiserfs (8), .BR reiserfstune (8) reiserfsprogs-3.6.25/tune/0000755000175000001440000000000012725336325012464 500000000000000reiserfsprogs-3.6.25/tune/Makefile.am0000644000175000001440000000056112270511632014431 00000000000000sbin_PROGRAMS = reiserfstune reiserfstune_SOURCES = tune.c tune.h man_MANS = reiserfstune.8 EXTRA_DIST = $(man_MANS) LDADD = $(top_builddir)/reiserfscore/libreiserfscore.la install-exec-hook: $(LN_S) reiserfstune $(DESTDIR)$(sbindir)/tunefs.reiserfs $(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man8 $(LN_S) reiserfstune.8 $(DESTDIR)$(mandir)/man8/tunefs.reiserfs.8 reiserfsprogs-3.6.25/tune/Makefile.in0000644000175000001440000005464112725336310014455 00000000000000# Makefile.in generated by automake 1.15 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2014 Free Software Foundation, Inc. # This Makefile.in is free software; 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It can change two journal parameters (the journal size and the maximum transaction size), and it can move the journal's location to a new specified block device. (The old ReiserFS's journal may be kept unused, or discarded at the user's option.) Besides that \fBreiserfstune\fR can store the bad block list to the ReiserFS and set UUID and LABEL. Note: At the time of writing the relocated journal was implemented for a special release of ReiserFS, and was not expected to be put into the mainstream kernel until approximately Linux 2.5. This means that if you have the stock kernel you must apply a special patch. Without this patch the kernel will refuse to mount the newly modified file system. We will charge $25 to explain this to you if you ask us why it doesn't work. .PP Perhaps the most interesting application of this code is to put the journal on a solid state disk. .TP \fIdevice is the special file corresponding to the newly specified block device (e.g /dev/hdXX for IDE disk partition or /dev/sdXX for the SCSI disk partition). .SH OPTIONS .TP \fB-h\fR | \fB--help\fR Print usage information and exit. .TP \fB-j\fR | \fB--journal-device\fR \fIFILE \fIFILE\fR is the file name of the block device the file system has the current journal (the one prior to running reiserfstune) on. This option is required when the journal is already on a separate device from the main data device (although it can be avoided with \fB--no-journal-available\fR). If you don't specify journal device by this option, reiserfstune suppose that journal is on main device. .TP \fB--no-journal-available allows \fBreiserfstune\fR to continue when the current journal's block device is no longer available. This might happen if a disk goes bad and you remove it (and run fsck). .TP \fB--journal-new-device \fIFILE \fIFILE\fR is the file name of the block device which will contain the new journal for the file system. If you don't specify this, reiserfstune supposes that journal device remains the same. .TP \fB \-s\fR | \fB\--journal-new-size \fIN \fIN\fR is the size parameter for the new journal. When journal is to be on a separate device - its size defaults to number of blocks that device has. When journal is to be on the same device as the filesytem - its size defaults to amount of blocks allocated for journal by \fImkreiserfs\fR when it created the filesystem. Minimum is 513 for both cases. .TP \fB \-o\fR | \fB\--journal-new-offset \fIN \fIN\fR is an offset in blocks where journal will starts from when journal is to be on a separate device. Default is 0. Has no effect when journal is to be on the same device as the filesystem. Most users have no need to use this feature. It can be used when you want the journals from multiple filesystems to reside on the same device, and you don't want to or cannot partition that device. .TP \fB \-t\fR | \fB\--maximal-transaction-size \fIN \fIN\fR is the maximum transaction size parameter for the new journal. The default, and max possible, value is 1024 blocks. It should be less than half the size of the journal. If specifed incorrectly, it will be adjusted. .TP \fB \-b\fR | \fB\--add-badblocks\fR \fIfile\fR \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the fs. The list is added to the fs list of bad blocks. .TP \fB \-B\fR | \fB\--badblocks\fR \fIfile\fR \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the fs. The bad block list on the fs is cleared before the list specified in the \fIFile\fR is added to the fs. .TP \fB\-f\fR | \fB--force\fR Normally \fBreiserfstune\fR will refuse to change a journal of a file system that was created before this journal relocation code. This is because if you change the journal, you cannot go back (without special option \fB--make-journal-standard\fR) to an old kernel that lacks this feature and be able to use your filesytem. This option forces it to do that. Specified more than once it allows to avoid asking for confirmation. .TP \fB--make-journal-standard\fR As it was mentioned above, if your file system has non-standard journal, it can not be mounted on the kernel without journal relocation code. The thing can be changed, the only condition is that there is reserved area on main device of the standard journal size 8193 blocks (it will be so for instance if you convert standard journal to non-standard). Just specify this option when you relocate journal back, or without relocation if you already have it on main device. .TP \fB-u\fR | \fB--uuid \fIUUID\fR Set the universally unique identifier (\fB UUID \fR) of the filesystem to \fIUUID\fR (see also \fBuuidgen(8)\fR). The format of the UUID is a series of hex digits separated by hypthens, like this: "c1b9d5a2-f162-11cf-9ece-0020afc76f16". .TP \fB-l\fR | \fB--label \fILABEL\fR Set the volume label of the filesystem. \fILABEL\fR can be at most 16 characters long; if it is longer than 16 characters, reiserfstune will truncate it. .TP \fB-c\fR | \fB--check-interval \fIinterval-in-days\fR Adjust the maximal time between two filesystem checks. A value of "disable" will disable the time-dependent checking. A value of "default" will restore the compile-time default. It is strongly recommended that either .B \-m (mount-count dependent) or .B \-c (time-dependent) checking be enabled to force periodic full .BR fsck.reiserfs(8) checking of the filesystem. Failure to do so may lead to filesystem corruption (due to bad disks, cables, memory, or kernel bugs) going unnoticed, ultimately resulting in data loss or corruption. .TP \fB-C\fR | \fB--time-last-checked \fItimestamp\fR Set the time the filesystem was last checked using fsck.reiserfs. This can be useful in scripts which use a Logical Volume Manager to make a consistent snapshot of a filesystem, and then check the filesystem during off hours to make sure it hasn't been corrupted due to hardware problems, etc. If the filesystem was clean, then this option can be used to set the last checked time on the original filesystem. The format of time-last-checked is the international date format, with an optional time specifier, i.e. YYYYMMDD[HH[MM[SS]]]. The keyword .B now is also accepted, in which case the last checked time will be set to the current time. .TP \fB-m\fR | \fB--max-mnt-count \fImax-mount-count\fR Adjust the number of mounts after which the filesystem will be checked by .BR fsck.reiserfs(8). If max-mount-count is "disable", the number of times the filesystem is mounted will be disregarded by .BR fsck.reiserfs(8) and the kernel. A value of "default" will restore the compile-time default. Staggering the mount-counts at which filesystems are forcibly checked will avoid all filesystems being checked at one time when using journaled filesystems. You should strongly consider the consequences of disabling mount-count-dependent checking entirely. Bad disk drives, cables, memory, and kernel bugs could all corrupt a filesystem without marking the filesystem dirty or in error. If you are using journaling on your filesystem, your filesystem will never be marked dirty, so it will not normally be checked. A filesys‐ tem error detected by the kernel will still force an fsck on the next reboot, but it may already be too late to prevent data loss at that point. This option requires a kernel which supports incrementing the count on each mount. This feature has not been incorporated into kernel versions older than 2.6.25. See also the .B \-c option for time-dependent checking. .TP \fB-M\fR | \fB--mnt-count \fIcount\fR Set the number of times the filesystem has been mounted. If set to a greater value than the max-mount-counts parameter set by the .B \-m option, .BR fsck.reiserfs(8) will check the filesystem at the next reboot. .SH POSSIBLE SCENARIOS OF USING REISERFSTUNE: 1. You have ReiserFS on /dev/hda1, and you wish to have it working with its journal on the device /dev/journal .nf .IP boot kernel patched with special "relocatable journal support" patch reiserfstune /dev/hda1 \-\-journal\-new\-device /dev/journal \-f mount /dev/hda1 and use. You would like to change max transaction size to 512 blocks reiserfstune \-t 512 /dev/hda1 You would like to use your file system on another kernel that doesn't contain relocatable journal support. umount /dev/hda1 reiserfstune /dev/hda1 \-j /dev/journal \-\-journal\-new\-device /dev/hda1 \-\-make\-journal\-standard mount /dev/hda1 and use. .LP 2. You would like to have ReiserFS on /dev/hda1 and to be able to switch between different journals including journal located on the device containing the filesystem. .nf .IP boot kernel patched with special "relocatable journal support" patch mkreiserfs /dev/hda1 you got solid state disk (perhaps /dev/sda, they typically look like scsi disks) reiserfstune \-\-journal\-new\-device /dev/sda1 \-f /dev/hda1 Your scsi device dies, it is three in the morning, you have an extra IDE device lying around reiserfsck \-\-no\-journal\-available /dev/hda1 or reiserfsck \-\-rebuild-tree \-\-no\-journal\-available /dev/hda1 reiserfstune \-\-no\-journal\-available \-\-journal\-new\-device /dev/hda1 /dev/hda1 using /dev/hda1 under patched kernel .SH AUTHOR This version of \fBreiserfstune\fR has been written by Vladimir Demidov and Edward Shishkin . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR debugreiserfs (8), .BR mkreiserfs (8) reiserfsprogs-3.6.25/tune/tune.c0000644000175000001440000005747412725332456013545 00000000000000/* * Copyright 2002-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #define _GNU_SOURCE #include "tune.h" #include #include #include #include #include #include "parse_time.h" static char *program_name; static void message(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); static void message(const char *fmt, ...) { char *buf; va_list args; buf = NULL; va_start(args, fmt); vasprintf(&buf, fmt, args); va_end(args); if (buf) { fprintf(stderr, "%s: %s\n", program_name, buf); free(buf); } } static void print_usage_and_exit(void) { message("Usage: %s [options] device [block-count]\n" "\n" "Options:\n\n" " -j | --journal-device file\tcurrent journal device\n" " --journal-new-device file\tnew journal device\n" " -o | --journal-new-offset N\tnew journal offset in blocks\n" " -s | --journal-new-size N\tnew journal size in blocks\n" " -t | --trans-max-size N\tnew journal max transaction size in blocks\n" " --no-journal-available\tcurrent journal is not available\n" " --make-journal-standard\tnew journal to be standard\n" /*"\t-p | --keep-old-journal-param (keep parametrs from old journal to new one)\n" */ " -b | --add-badblocks file\tadd to bad block list\n" " -B | --badblocks file\t\tset the bad block list\n" " -u | --uuid UUID|random\tset new UUID\n" " -l | --label LABEL\t\tset new label\n" " -f | --force\t\t\tforce tuning, less confirmations\n" " -c | --check-interval\t\tset interval in days for fsck -a to check,\n" " \t\t\"disable\" to disable check,\n" " \t\tor \"default\" to restore default\n" " -C | --time-last-checked\tset the time the filesystem was last checked\n" " \t(now or YYYYMMDD[HH[MM[SS]]])\n" " -m | --max-mnt-count\t\tset maximum number of mounts before fsck -a\n" " \t\tchecks, \"disable\" to disable check,\n" " \t\tor \"default\" to restore default\n" " -M | --mnt-count\t\tset the number of times the filesystem\n" " \t\thas been mounted\n" " -h | --help\t\t\tprint help and exit\n" " -V\t\t\t\tprint version and exit\n", program_name); exit(1); } static unsigned long Journal_size = 0; static int Max_trans_size = JOURNAL_TRANS_MAX; static unsigned short Max_mnt_count = 0; static unsigned short Mnt_count = 0; static unsigned int Check_interval = 0; static time_t Time_last_checked = 0; static int Offset = 0; static __u16 Options = 0; static int Force = 0; static int Bads = 0; static char *LABEL; static unsigned char UUID[16]; static char *badblocks_file; /* If specified paramenters defines the standard journal, make it standard. */ static int should_make_journal_standard(reiserfs_filsys_t fs, char *j_new_dev_name) { if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) return 0; /* if (!user_confirmed (stderr, "ATTENTION! Filesystem with non-standard journal " "found. Continue? (y/n):", "y\n")) { exit(1); } */ /* make sure journal is on main device, it has default size and the file system has non-standard magic */ if (j_new_dev_name) { /* new journal was specified - check if it is available */ if (strcmp(j_new_dev_name, fs->fs_file_name)) return 0; if (Journal_size && Journal_size != journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1) return 0; if (Max_trans_size && (Max_trans_size != JOURNAL_TRANS_MAX)) return 0; } else { /* new journal was not specified - check ondisk journal params */ if (get_sb_reserved_for_journal(fs->fs_ondisk_sb) < journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1) { message ("Can not create standard journal of the size %llu", journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1); return 0; } } return 1; } static int set_standard_journal_params(reiserfs_filsys_t fs) { struct buffer_head *bh; /* ondisk superblock update */ if (get_sb_version(fs->fs_ondisk_sb) == 0) memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_3_5_SUPER_MAGIC_STRING, strlen(REISERFS_3_5_SUPER_MAGIC_STRING)); else if (get_sb_version(fs->fs_ondisk_sb) == 2) memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_3_6_SUPER_MAGIC_STRING, strlen(REISERFS_3_6_SUPER_MAGIC_STRING)); else { message ("Can not set standard reiserfs magic: unknown format found %u," " try reiserfsck first", get_sb_version(fs->fs_ondisk_sb)); return 0; } set_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb), get_journal_start_must(fs)); set_jp_journal_dev(sb_jp(fs->fs_ondisk_sb), 0); set_jp_journal_size(sb_jp(fs->fs_ondisk_sb), journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize)); if (get_jp_journal_max_trans_len(sb_jp(fs->fs_ondisk_sb)) != JOURNAL_TRANS_MAX) set_jp_journal_max_trans_len(sb_jp(fs->fs_ondisk_sb), JOURNAL_TRANS_MAX); if (get_jp_journal_max_batch(sb_jp(fs->fs_ondisk_sb)) != JOURNAL_MAX_BATCH) set_jp_journal_max_batch(sb_jp(fs->fs_ondisk_sb), JOURNAL_MAX_BATCH); if (get_jp_journal_max_commit_age(sb_jp(fs->fs_ondisk_sb)) != JOURNAL_MAX_COMMIT_AGE) set_jp_journal_max_commit_age(sb_jp(fs->fs_ondisk_sb), JOURNAL_MAX_COMMIT_AGE); if (get_jp_journal_max_trans_age(sb_jp(fs->fs_ondisk_sb)) != JOURNAL_MAX_TRANS_AGE) set_jp_journal_max_trans_age(sb_jp(fs->fs_ondisk_sb), JOURNAL_MAX_TRANS_AGE); set_sb_reserved_for_journal(fs->fs_ondisk_sb, 0); /* journal_header update */ bh = getblk(fs->fs_journal_dev, get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)) + get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)), fs->fs_blocksize); if (!bh) { message ("Cannot get the journal header block. getblk failed.\n"); return 0; } ((struct reiserfs_journal_header *)(bh->b_data))->jh_journal = *(sb_jp(fs->fs_ondisk_sb)); mark_buffer_uptodate(bh, 1); mark_buffer_dirty(bh); bwrite(bh); brelse(bh); return 1; } static void zero_journal(reiserfs_filsys_t fs) { unsigned int i; struct buffer_head *bh; unsigned long done; unsigned long start, len; fprintf(stderr, "Initializing journal - "); start = get_jp_journal_1st_block(sb_jp(fs->fs_ondisk_sb)); len = get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)); done = 0; for (i = 0; i < len; i++) { print_how_far(stderr, &done, len, 1, 1 /*be quiet */ ); bh = getblk(fs->fs_journal_dev, start + i, fs->fs_blocksize); if (!bh) die("zero_journal: getblk failed"); memset(bh->b_data, 0, bh->b_size); mark_buffer_dirty(bh); mark_buffer_uptodate(bh, 1); bwrite(bh); brelse(bh); } fprintf(stderr, "\n"); fflush(stderr); } static int str2int(char *str) { int val; char *tmp; val = (int)strtol(str, &tmp, 0); if (*tmp) die("%s: strtol is unable to make an integer of %s\n", program_name, str); return val; } static void set_transaction_max_size(char *str) { Max_trans_size = str2int(str); } /* journal must fit into number of blocks pointed by first bitmap */ static void set_journal_device_size(char *str) { Journal_size = str2int(str); } static void set_offset_in_journal_device(char *str) { Offset = str2int(str); } static void set_max_mnt_count(char *str) { if (!strcmp(str, "disable")) Max_mnt_count = USHRT_MAX; else if (!strcmp(str, "default")) Max_mnt_count = DEFAULT_MAX_MNT_COUNT; else Max_mnt_count = str2int(str); } static void set_mnt_count(char *str) { Mnt_count = str2int(str); } static void set_check_interval(char *str) { if (!strcmp(str, "disable")) Check_interval = UINT_MAX; else if (!strcmp(str, "default")) Check_interval = DEFAULT_CHECK_INTERVAL; else Check_interval = str2int(str) * 60 * 60 * 24; } static void set_time_last_checked(char *str) { if (!strcmp(str, "now")) Time_last_checked = time(NULL); else Time_last_checked = parse_time(str); if (Time_last_checked == 0) print_usage_and_exit(); } static void callback_new_badblocks(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data) { struct item_head *tmp_ih; __le32 *ind_item; __u32 i; tmp_ih = tp_item_head(badblock_path); ind_item = (__le32 *) tp_item_body(badblock_path); for (i = 0; i < I_UNFM_NUM(tmp_ih); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, d32_get(ind_item, i))) { message("Block %u is marked as bad already.", d32_get(ind_item, i)); reiserfs_bitmap_clear_bit(fs->fs_badblocks_bm, d32_get(ind_item, i)); } } pathrelse(badblock_path); } static void callback_clear_badblocks(reiserfs_filsys_t fs, struct reiserfs_path *badblock_path, void *data) { struct item_head *tmp_ih; __le32 *ind_item; __u32 i; tmp_ih = tp_item_head(badblock_path); ind_item = (__le32 *) tp_item_body(badblock_path); for (i = 0; i < I_UNFM_NUM(tmp_ih); i++) { reiserfs_bitmap_clear_bit(fs->fs_bitmap2, d32_get(ind_item, i)); } pathrelse(badblock_path); } static void add_badblocks(reiserfs_filsys_t fs) { unsigned long i, marked = 0; if (reiserfs_open_ondisk_bitmap(fs) < 0) { message("Failed to open reiserfs ondisk bitmap.\n"); reiserfs_close(fs); exit(1); } if (create_badblock_bitmap(fs, badblocks_file)) { message("Failed to initialize the bad block bitmap.\n"); reiserfs_close(fs); exit(1); } if (Bads == 1) badblock_list(fs, callback_new_badblocks, NULL); else badblock_list(fs, callback_clear_badblocks, NULL); for (i = 0; i < get_sb_block_count(fs->fs_ondisk_sb); i++) { if (reiserfs_bitmap_test_bit(fs->fs_badblocks_bm, i)) { if (!reiserfs_bitmap_test_bit(fs->fs_bitmap2, i)) { reiserfs_bitmap_set_bit(fs->fs_bitmap2, i); marked++; } else { /* Check that this is a block */ message ("Bad block %lu is used already in reiserfs tree. " "To mark it as a bad block use reiserfsck\n" "--fix-fixable with -B option.", i); reiserfs_bitmap_clear_bit(fs->fs_badblocks_bm, i); } } } if (marked) { set_sb_free_blocks(fs->fs_ondisk_sb, get_sb_free_blocks(fs->fs_ondisk_sb) - fs->fs_badblocks_bm->bm_set_bits); mark_buffer_dirty(fs->fs_super_bh); } if (Bads == 1) { /* fs->fs_badblocks_bm contains blocks which are not in the bad block list yet. Merge it with what is in the tree already. */ badblock_list(fs, mark_badblock, NULL); } if (marked) { add_badblock_list(fs, 1); } message("%lu blocks were marked as bad.", marked); } int main(int argc, char **argv) { reiserfs_filsys_t fs; char *device_name; char *jdevice_name; char *j_new_device_name; int c; static int flag; struct reiserfs_journal_header *j_head; reiserfs_trans_t old, new; int Is_journal_or_maxtrans_size_specified = 0; long error; program_name = strrchr(argv[0], '/'); if (program_name) program_name++; else program_name = argv[0]; if (argc < 2) print_usage_and_exit(); device_name = NULL; jdevice_name = NULL; j_new_device_name = NULL; memset(UUID, 0, 16); while (1) { static struct option options[] = { {"help", no_argument, NULL, 'h'}, {"journal-device", required_argument, NULL, 'j'}, {"journal-new-device", required_argument, &flag, OPT_NEW_J}, {"journal-new-size", required_argument, NULL, 's'}, {"trans-max-size", required_argument, NULL, 't'}, {"journal-new-offset", required_argument, NULL, 'o'}, {"no-journal-available", no_argument, &flag, OPT_SKIP_J}, /*{"keep-old-journal-param", no_argument, NULL, 'p'}, */ {"uuid", required_argument, NULL, 'u'}, {"label", required_argument, NULL, 'l'}, {"add-badblocks", required_argument, NULL, 'b'}, {"badblocks", required_argument, NULL, 'B'}, {"force", no_argument, NULL, 'f'}, {"make-journal-standard", no_argument, &flag, OPT_STANDARD}, {"check-interval", required_argument, NULL, 'c'}, {"time-last-checked", required_argument, NULL, 'C'}, {"max-mount-count", required_argument, NULL, 'm'}, {"mount-count", required_argument, NULL, 'M'}, {} }; int option_index; c = getopt_long(argc, argv, "hj:s:t:o:fu:l:b:B:Vc:C:m:M:", options, &option_index); if (c == -1) break; switch (c) { case 0: /* long-only optins */ if (flag == OPT_NEW_J) { Options |= OPT_NEW_J; j_new_device_name = optarg; } if (flag == OPT_SKIP_J) { Options |= OPT_SKIP_J; } if (flag == OPT_STANDARD) { Options |= OPT_STANDARD; } break; case 'j': /* --journal-device */ jdevice_name = optarg; break; case 's': /* --journal-new-size */ set_journal_device_size(optarg); Is_journal_or_maxtrans_size_specified = 1; break; case 't': /* --trans-max-size */ set_transaction_max_size(optarg); Is_journal_or_maxtrans_size_specified = 1; break; case 'o': /* --offset */ set_offset_in_journal_device(optarg); break; case 'f': /* forces replacing standard journal with non-standard one. Specified more than once - allows to avoid asking for confirmation */ Force++; break; case 'b': /* --add-badblocks */ asprintf(&badblocks_file, "%s", optarg); Bads = 1; break; case 'B': /* --badblocks */ asprintf(&badblocks_file, "%s", optarg); Bads = 2; break; case 'u': /* UUID */ #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (!strcmp(optarg, "random")) { uuid_generate(UUID); } else { if (uuid_parse(optarg, UUID) < 0) { message ("Invalid UUID '%s' was specified\n", optarg); return 1; } } #else message("Cannot set the UUID, uuidlib was not found " "by configure.\n"); return 1; #endif break; case 'l': /* LABEL */ LABEL = optarg; break; case 'V': print_banner("reiserfstune"); exit(0); case 'h': print_usage_and_exit(); break; case 'c': set_check_interval(optarg); break; case 'C': set_time_last_checked(optarg); break; case 'm': set_max_mnt_count(optarg); break; case 'M': set_mnt_count(optarg); break; #if 0 case 'J': /* --journal-new-device */ Options |= OPT_NEW_J; j_new_device_name = optarg; break; case 'u': /* --no-journal-available */ Options |= OPT_SKIPJ; break; case 'p': /* --keep-old-journal-param */ Options |= OPT_KEEPO; break; #endif default: print_usage_and_exit(); } } if (optind != argc - 1) print_usage_and_exit(); /* device to be formatted */ device_name = argv[optind]; fs = reiserfs_open(device_name, O_RDONLY, &error, NULL, 1); if (no_reiserfs_found(fs)) { message("Cannot open reiserfs on %s: %s", device_name, error_message(error)); return 1; } /* journal was opened or it wasn't opened but the option --no-journal-available has been specified by user */ /* make sure filesystem is not mounted */ if (misc_device_mounted(fs->fs_file_name) > 0) { /* fixme: it can not be mounted, btw */ message ("Reiserfstune is not allowed to be run on mounted filesystem."); reiserfs_close(fs); return 1; } if (!reiserfs_is_fs_consistent(fs)) { message ("Filesystem looks not cleanly umounted, check the consistency first.\n"); reiserfs_close(fs); return 1; } reiserfs_reopen(fs, O_RDWR); if (badblocks_file) { add_badblocks(fs); reiserfs_close(fs); exit(0); } if (!jdevice_name && !(Options & OPT_SKIP_J)) { message ("Journal device has not been specified. Assuming journal is on the main " "device (%s).\n", device_name); jdevice_name = device_name; } if (jdevice_name && (Options & OPT_SKIP_J)) { message("Either specify journal device, " "or choose the option --no-journal-available"); return 1; } if (j_new_device_name && (Options & OPT_STANDARD)) { /* New device was specified and --make-journal-standard was also. */ message("Either specify new journal device, " "or choose the option --make-journal-standard"); return 1; } /* now we try to open journal, it makes sence if there is no the flag NEED_TUNE in ondisk superblock and --no-journal available is not specified. */ if (get_jp_journal_magic(sb_jp(fs->fs_ondisk_sb)) != NEED_TUNE && !(Options & OPT_SKIP_J)) { if (reiserfs_open_journal(fs, jdevice_name, O_RDWR #if defined(O_LARGEFILE) | O_LARGEFILE #endif )) { message("Failed to open the journal device (%s).", jdevice_name); return 1; } if (reiserfs_journal_params_check(fs)) { message ("Unable to open old journal. Wrong journal parameters."); reiserfs_close(fs); return 1; } } /* in spite of journal was opened, the file system can be non-consistent or there are non-replayed transaction in journal, make sure it isn't (if there is no the flag NEED_TUNE in ondisk superblock */ if (get_jp_journal_magic(sb_jp(fs->fs_ondisk_sb)) != NEED_TUNE && reiserfs_journal_opened(fs)) { j_head = (struct reiserfs_journal_header *)(fs->fs_jh_bh->b_data); if (get_boundary_transactions(fs, &old, &new)) { if (new.trans_id != get_jh_last_flushed(j_head)) { message ("There are non-replayed transaction in old journal," " check filesystem consistency first"); reiserfs_close(fs); return 1; } } if (!reiserfs_is_fs_consistent(fs)) { message("Check filesystem consistency first"); reiserfs_close(fs); return 1; } } /* set UUID and LABEL if specified */ if (fs->fs_format == REISERFS_FORMAT_3_6) { int need_dirty = 0; #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (!uuid_is_null(UUID)) { memcpy(fs->fs_ondisk_sb->s_uuid, UUID, 16); need_dirty = 1; } #endif if (LABEL != NULL) { if (strlen(LABEL) > 16) message ("Specified LABEL is longer then 16 characters, will be truncated\n"); strncpy(fs->fs_ondisk_sb->s_label, LABEL, 16); need_dirty = 1; } if (Max_mnt_count && Max_mnt_count != get_sb_v2_max_mnt_count(fs->fs_ondisk_sb)) { if (Max_mnt_count <= 0) reiserfs_exit(1, "max-mnt-count must be > 0\n"); set_sb_v2_max_mnt_count(fs->fs_ondisk_sb, Max_mnt_count); need_dirty = 1; } if (Mnt_count && Mnt_count != get_sb_v2_mnt_count(fs->fs_ondisk_sb)) { if (Max_mnt_count <= 0) reiserfs_exit(1, "max-mnt-count must be > 0\n"); set_sb_v2_mnt_count(fs->fs_ondisk_sb, Mnt_count); need_dirty = 1; } if (Check_interval && Check_interval != get_sb_v2_check_interval(fs->fs_ondisk_sb)) { if (Check_interval <= 0) reiserfs_exit(1, "check-interval must be > 0\n"); set_sb_v2_check_interval(fs->fs_ondisk_sb, Check_interval); need_dirty = 1; } if (Time_last_checked && Time_last_checked != get_sb_v2_lastcheck(fs->fs_ondisk_sb)) { set_sb_v2_lastcheck(fs->fs_ondisk_sb, Time_last_checked); need_dirty = 1; } if (need_dirty) { mark_buffer_dirty(fs->fs_super_bh); fs->fs_dirt = 1; } } else { #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) if (!uuid_is_null(UUID)) reiserfs_exit(1, "UUID cannot be specified for 3.5 format\n"); #endif if (LABEL) reiserfs_exit(1, "LABEL cannot be specified for 3.5 format\n"); if (Max_mnt_count) reiserfs_exit(1, "max-mnt-count cannot be specified for 3.5 format\n"); if (Check_interval) reiserfs_exit(1, "check-interval cannot be specified for 3.5 format\n"); } if (!j_new_device_name) { /* new journal device hasn't been specified */ printf("Current parameters:\n"); print_filesystem_state(stdout, fs); print_block(stdout, fs, fs->fs_super_bh); if ((Options & OPT_STANDARD) && should_make_journal_standard(fs, j_new_device_name)) { if (!user_confirmed (stderr, "ATTENTION! Filesystem with " "non-standard journal found. Continue? (y/n):", "y\n")) { exit(1); } fs->fs_journal_dev = fs->fs_dev; if (set_standard_journal_params(fs)) { printf("\nNew parameters:\n"); print_filesystem_state(stdout, fs); print_block(stdout, fs, fs->fs_super_bh); printf("New journal parameters:\n"); print_journal_params(stdout, sb_jp(fs->fs_ondisk_sb)); mark_buffer_dirty(fs->fs_super_bh); mark_buffer_uptodate(fs->fs_super_bh, 1); reiserfs_close(fs); printf("Syncing.."); fflush(stdout); sync(); printf("ok\n"); return 0; } } if (Is_journal_or_maxtrans_size_specified) { /* new journal device hasn't been specified, but journal size or max transaction size have been, so we suppose that journal device remains the same */ if (!reiserfs_journal_opened(fs)) { message ("Cannot set up new paramenters for not specified journal."); return 1; } j_new_device_name = jdevice_name; } else { /* the only parameter has been specified is device_name, so there is nothing to do */ reiserfs_close(fs); return 0; } } /* new journal device has been specified */ /* make sure new journal device is block device file */ if (!can_we_format_it(j_new_device_name, Force)) { reiserfs_close(fs); return 1; } if (!strcmp(device_name, j_new_device_name)) { unsigned long reserved, journal_size; /* we have to put journal on main device. It is only possible if there is enough space reserved by mkreiserfs */ if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) /* standard journal */ reserved = get_jp_journal_size(sb_jp(fs->fs_ondisk_sb)) + 1; else /* non-standard journal */ reserved = get_sb_reserved_for_journal(fs->fs_ondisk_sb); journal_size = Journal_size; if (!journal_size) { journal_size = journal_default_size(fs->fs_super_bh->b_blocknr, fs->fs_blocksize) + 1; message ("Journal size has not been specified. Assuming it is the default size (%lu)", journal_size); } /* journal_size = (Journal_size ? Journal_size : // specified (fs->fs_blocksize == 1024 ? (fs->fs_blocksize) * 8 - 3 - REISERFS_DISK_OFFSET_IN_BYTES / fs->fs_blocksize : JOURNAL_DEFAULT_SIZE + 1)); // default */ if (journal_size + Offset > get_journal_start_must(fs) + reserved) { message ("There is no enough space reserved for journal on main " "device (journal_size=%lu, reserved=%lu)\n", journal_size, reserved); reiserfs_close(fs); return 1; } } message("Current journal parameters:"); print_journal_params(stdout, sb_jp(fs->fs_ondisk_sb)); if (!is_reiserfs_jr_magic_string(fs->fs_ondisk_sb)) { /* we have standard journal, so check if we can convert it to non-standard one */ /* if (!should_make_journal_non_standard (Force)) { reiserfs_close (fs); return 1; } */ if (is_reiserfs_3_6_magic_string(fs->fs_ondisk_sb)) set_sb_version(fs->fs_ondisk_sb, REISERFS_FORMAT_3_6); else if (is_reiserfs_3_5_magic_string(fs->fs_ondisk_sb)) set_sb_version(fs->fs_ondisk_sb, REISERFS_FORMAT_3_5); else { message ("Could not convert from unknown version, try reiserfsck first"); reiserfs_close(fs); return 1; } memcpy(fs->fs_ondisk_sb->s_v1.s_magic, REISERFS_JR_SUPER_MAGIC_STRING, strlen(REISERFS_JR_SUPER_MAGIC_STRING)); set_sb_reserved_for_journal(fs->fs_ondisk_sb, get_jp_journal_size(sb_jp (fs-> fs_ondisk_sb)) + 1); } /* now we are going to close old journal and to create a new one */ reiserfs_close_journal(fs); if (!reiserfs_create_journal(fs, j_new_device_name, Offset, Journal_size, Max_trans_size, Force)) { message("Could not create new journal"); reiserfs_close(fs); return 1; } if (should_make_journal_standard(fs, j_new_device_name)) set_standard_journal_params(fs); message("New journal parameters:"); print_journal_params(stdout, sb_jp(fs->fs_ondisk_sb)); print_block(stdout, fs, fs->fs_super_bh); if (Force < 2) { message ("ATTENTION: YOU ARE ABOUT TO SETUP THE NEW JOURNAL FOR THE \"%s\"!\n" "AREA OF \"%s\" DEDICATED FOR JOURNAL WILL BE ZEROED!", device_name, j_new_device_name); if (!user_confirmed(stderr, "Continue (y/n):", "y\n")) { return 1; } } zero_journal(fs); reiserfs_close(fs); printf("Syncing.."); fflush(stdout); sync(); printf("ok\n"); return 0; } reiserfsprogs-3.6.25/tune/tune.h0000644000175000001440000000113712206770175013531 00000000000000/* * Copyright 2002-2004 by Hans Reiser, licensing governed by * reiserfsprogs/README */ #ifndef HAVE_CONFIG_H # include "config.h" #endif #include "io.h" #include "misc.h" #include "reiserfs_lib.h" #include "../version.h" #if defined(HAVE_LIBUUID) && defined(HAVE_UUID_UUID_H) # include #endif /* * options */ #define OPT_SUPER_FORCE 0x0010 #define OPT_OLD_J 0x0100 #define OPT_NEW_J 0x0200 #define OPT_SIZEJ 0x0400 #define OPT_TMAXS 0x0800 #define OPT_OFSET 0x1000 #define OPT_SKIP_J 0x2000 #define OPT_KEEPO 0x4000 #define OPT_FORCE 0x8000 #define OPT_STANDARD 0x0020 reiserfsprogs-3.6.25/tune/reiserfstune.80000644000175000001440000002500112725336324015210 00000000000000.\" -*- nroff -*- .\" Copyright 1996-2004 Hans Reiser. .\" .TH REISERFSTUNE 8 "January 2009" "Reiserfsprogs-3.6.25" .SH NAME reiserfstune \- The tunning tool for the ReiserFS filesystem. .SH SYNOPSIS .B reiserfstune [ \fB-f\fR ] [ \fB-h\fR | \fB--help\fR ] [ \fB-j\fR | \fB--journal-device\fR \fIFILE\fR ] [ \fB--no-journal-available\fR ] [ \fB--journal-new-device\fR \fIFILE\fR ] [ \fB--make-journal-standard\fR ] [ \fB-s\fR | \fB--journal-new-size\fR \fIN\fR ] [ \fB-o\fR | \fB--journal-new-offset\fR \fIN\fR ] [ \fB-t\fR | \fB--max-transaction-size\fR \fIN\fR ] [ \fB-b\fR | \fB--add-badblocks\fR \fIfile\fR ] [ \fB-B\fR | \fB--badblocks\fR \fIfile\fR ] [ \fB-u\fR | \fB--uuid \fIUUID\fR ] [ \fB-l\fR | \fB--label \fILABEL\fR ] [ \fB-c\fR | \fB--check-interval \fIinterval-in-days\fR ] [ \fB-C\fR | \fB--time-last-checked \fItimestamp\fR ] [ \fB-m\fR | \fB--max-mnt-count \fIcount\fR ] [ \fB-M\fR | \fB--mnt-count \fIcount\fR ] .I device .SH DESCRIPTION \fBreiserfstune\fR is used for tuning the ReiserFS. It can change two journal parameters (the journal size and the maximum transaction size), and it can move the journal's location to a new specified block device. (The old ReiserFS's journal may be kept unused, or discarded at the user's option.) Besides that \fBreiserfstune\fR can store the bad block list to the ReiserFS and set UUID and LABEL. Note: At the time of writing the relocated journal was implemented for a special release of ReiserFS, and was not expected to be put into the mainstream kernel until approximately Linux 2.5. This means that if you have the stock kernel you must apply a special patch. Without this patch the kernel will refuse to mount the newly modified file system. We will charge $25 to explain this to you if you ask us why it doesn't work. .PP Perhaps the most interesting application of this code is to put the journal on a solid state disk. .TP \fIdevice is the special file corresponding to the newly specified block device (e.g /dev/hdXX for IDE disk partition or /dev/sdXX for the SCSI disk partition). .SH OPTIONS .TP \fB-h\fR | \fB--help\fR Print usage information and exit. .TP \fB-j\fR | \fB--journal-device\fR \fIFILE \fIFILE\fR is the file name of the block device the file system has the current journal (the one prior to running reiserfstune) on. This option is required when the journal is already on a separate device from the main data device (although it can be avoided with \fB--no-journal-available\fR). If you don't specify journal device by this option, reiserfstune suppose that journal is on main device. .TP \fB--no-journal-available allows \fBreiserfstune\fR to continue when the current journal's block device is no longer available. This might happen if a disk goes bad and you remove it (and run fsck). .TP \fB--journal-new-device \fIFILE \fIFILE\fR is the file name of the block device which will contain the new journal for the file system. If you don't specify this, reiserfstune supposes that journal device remains the same. .TP \fB \-s\fR | \fB\--journal-new-size \fIN \fIN\fR is the size parameter for the new journal. When journal is to be on a separate device - its size defaults to number of blocks that device has. When journal is to be on the same device as the filesytem - its size defaults to amount of blocks allocated for journal by \fImkreiserfs\fR when it created the filesystem. Minimum is 513 for both cases. .TP \fB \-o\fR | \fB\--journal-new-offset \fIN \fIN\fR is an offset in blocks where journal will starts from when journal is to be on a separate device. Default is 0. Has no effect when journal is to be on the same device as the filesystem. Most users have no need to use this feature. It can be used when you want the journals from multiple filesystems to reside on the same device, and you don't want to or cannot partition that device. .TP \fB \-t\fR | \fB\--maximal-transaction-size \fIN \fIN\fR is the maximum transaction size parameter for the new journal. The default, and max possible, value is 1024 blocks. It should be less than half the size of the journal. If specifed incorrectly, it will be adjusted. .TP \fB \-b\fR | \fB\--add-badblocks\fR \fIfile\fR \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the fs. The list is added to the fs list of bad blocks. .TP \fB \-B\fR | \fB\--badblocks\fR \fIfile\fR \fIFile\fR is the file name of the file that contains the list of blocks to be marked as bad on the fs. The bad block list on the fs is cleared before the list specified in the \fIFile\fR is added to the fs. .TP \fB\-f\fR | \fB--force\fR Normally \fBreiserfstune\fR will refuse to change a journal of a file system that was created before this journal relocation code. This is because if you change the journal, you cannot go back (without special option \fB--make-journal-standard\fR) to an old kernel that lacks this feature and be able to use your filesytem. This option forces it to do that. Specified more than once it allows to avoid asking for confirmation. .TP \fB--make-journal-standard\fR As it was mentioned above, if your file system has non-standard journal, it can not be mounted on the kernel without journal relocation code. The thing can be changed, the only condition is that there is reserved area on main device of the standard journal size 8193 blocks (it will be so for instance if you convert standard journal to non-standard). Just specify this option when you relocate journal back, or without relocation if you already have it on main device. .TP \fB-u\fR | \fB--uuid \fIUUID\fR Set the universally unique identifier (\fB UUID \fR) of the filesystem to \fIUUID\fR (see also \fBuuidgen(8)\fR). The format of the UUID is a series of hex digits separated by hypthens, like this: "c1b9d5a2-f162-11cf-9ece-0020afc76f16". .TP \fB-l\fR | \fB--label \fILABEL\fR Set the volume label of the filesystem. \fILABEL\fR can be at most 16 characters long; if it is longer than 16 characters, reiserfstune will truncate it. .TP \fB-c\fR | \fB--check-interval \fIinterval-in-days\fR Adjust the maximal time between two filesystem checks. A value of "disable" will disable the time-dependent checking. A value of "default" will restore the compile-time default. It is strongly recommended that either .B \-m (mount-count dependent) or .B \-c (time-dependent) checking be enabled to force periodic full .BR fsck.reiserfs(8) checking of the filesystem. Failure to do so may lead to filesystem corruption (due to bad disks, cables, memory, or kernel bugs) going unnoticed, ultimately resulting in data loss or corruption. .TP \fB-C\fR | \fB--time-last-checked \fItimestamp\fR Set the time the filesystem was last checked using fsck.reiserfs. This can be useful in scripts which use a Logical Volume Manager to make a consistent snapshot of a filesystem, and then check the filesystem during off hours to make sure it hasn't been corrupted due to hardware problems, etc. If the filesystem was clean, then this option can be used to set the last checked time on the original filesystem. The format of time-last-checked is the international date format, with an optional time specifier, i.e. YYYYMMDD[HH[MM[SS]]]. The keyword .B now is also accepted, in which case the last checked time will be set to the current time. .TP \fB-m\fR | \fB--max-mnt-count \fImax-mount-count\fR Adjust the number of mounts after which the filesystem will be checked by .BR fsck.reiserfs(8). If max-mount-count is "disable", the number of times the filesystem is mounted will be disregarded by .BR fsck.reiserfs(8) and the kernel. A value of "default" will restore the compile-time default. Staggering the mount-counts at which filesystems are forcibly checked will avoid all filesystems being checked at one time when using journaled filesystems. You should strongly consider the consequences of disabling mount-count-dependent checking entirely. Bad disk drives, cables, memory, and kernel bugs could all corrupt a filesystem without marking the filesystem dirty or in error. If you are using journaling on your filesystem, your filesystem will never be marked dirty, so it will not normally be checked. A filesys‐ tem error detected by the kernel will still force an fsck on the next reboot, but it may already be too late to prevent data loss at that point. This option requires a kernel which supports incrementing the count on each mount. This feature has not been incorporated into kernel versions older than 2.6.25. See also the .B \-c option for time-dependent checking. .TP \fB-M\fR | \fB--mnt-count \fIcount\fR Set the number of times the filesystem has been mounted. If set to a greater value than the max-mount-counts parameter set by the .B \-m option, .BR fsck.reiserfs(8) will check the filesystem at the next reboot. .SH POSSIBLE SCENARIOS OF USING REISERFSTUNE: 1. You have ReiserFS on /dev/hda1, and you wish to have it working with its journal on the device /dev/journal .nf .IP boot kernel patched with special "relocatable journal support" patch reiserfstune /dev/hda1 \-\-journal\-new\-device /dev/journal \-f mount /dev/hda1 and use. You would like to change max transaction size to 512 blocks reiserfstune \-t 512 /dev/hda1 You would like to use your file system on another kernel that doesn't contain relocatable journal support. umount /dev/hda1 reiserfstune /dev/hda1 \-j /dev/journal \-\-journal\-new\-device /dev/hda1 \-\-make\-journal\-standard mount /dev/hda1 and use. .LP 2. You would like to have ReiserFS on /dev/hda1 and to be able to switch between different journals including journal located on the device containing the filesystem. .nf .IP boot kernel patched with special "relocatable journal support" patch mkreiserfs /dev/hda1 you got solid state disk (perhaps /dev/sda, they typically look like scsi disks) reiserfstune \-\-journal\-new\-device /dev/sda1 \-f /dev/hda1 Your scsi device dies, it is three in the morning, you have an extra IDE device lying around reiserfsck \-\-no\-journal\-available /dev/hda1 or reiserfsck \-\-rebuild-tree \-\-no\-journal\-available /dev/hda1 reiserfstune \-\-no\-journal\-available \-\-journal\-new\-device /dev/hda1 /dev/hda1 using /dev/hda1 under patched kernel .SH AUTHOR This version of \fBreiserfstune\fR has been written by Vladimir Demidov and Edward Shishkin . .SH BUGS Please report bugs to the ReiserFS developers , providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information. .SH SEE ALSO .BR reiserfsck (8), .BR debugreiserfs (8), .BR mkreiserfs (8)