2 #-----------------------------------------------------------------------
3 # Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 # Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
20 # Mountain View, CA 94043, USA, or: http://www.sgi.com
21 #-----------------------------------------------------------------------
25 BC=$(which bc 2> /dev/null) || BC=
27 # Some tests are not relevant or functional when testing XFS realtime
28 # subvolumes along with the rtinherit=1 mkfs option. In these cases,
29 # this test will opt-out of the test.
30 _require_no_rtinherit()
32 [ "$FSTYP" = "xfs" ] && echo "$MKFS_OPTIONS" |
33 egrep -q "rtinherit([^=]|=1|$)" && \
34 _notrun "rtinherit mkfs option is not supported by this test."
40 _notrun "this test requires 'bc' tool for doing math operations"
46 [ $# -le 0 ] && return
47 LANG=C echo "scale=0; $@" | "$BC" -q 2> /dev/null
52 if [ "$HOSTOS" == "Linux" ]
54 command dd --help 2>&1 | grep noxfer >/dev/null
58 command dd status=noxfer $@
67 # Prints the md5 checksum of a given file
70 md5sum $1 | cut -d ' ' -f1
73 # Write a byte into a range of a file
79 local xfs_io_args="$5"
81 $XFS_IO_PROG $xfs_io_args -f -c "pwrite -S $pattern $offset $len" "$file"
84 # mmap-write a byte into a range of a file
92 $XFS_IO_PROG -f -c "mmap -rw 0 $mmap_len" -c "mwrite -S $pattern $offset $len" "$file"
95 # ls -l w/ selinux sometimes puts a dot at the end:
96 # -rwxrw-r--. id1 id2 file1
97 # Also filter out lost+found directory on extN file system if present
101 ls -l $* | sed "s/\(^[-rwxdlbcpsStT]*\)\. /\1 /" | grep -v 'lost+found'
125 echo "$_err_msg" | tee -a $seqres.full
126 echo "(see $seqres.full for details)"
129 # make sure we have a standard umask
132 # check for correct setup and source the $FSTYP specific functions now
135 [ "$XFS_LOGPRINT_PROG" = "" ] && _fatal "xfs_logprint not found"
136 [ "$XFS_REPAIR_PROG" = "" ] && _fatal "xfs_repair not found"
137 [ "$XFS_DB_PROG" = "" ] && _fatal "xfs_db not found"
138 [ "$MKFS_XFS_PROG" = "" ] && _fatal "mkfs_xfs not found"
139 [ "$XFS_INFO_PROG" = "" ] && _fatal "xfs_info not found"
144 [ "$MKFS_UDF_PROG" = "" ] && _fatal "mkfs_udf/mkudffs not found"
147 [ "$MKFS_BTRFS_PROG" = "" ] && _fatal "mkfs.btrfs not found"
152 [ "$MKFS_EXT4_PROG" = "" ] && _fatal "mkfs.ext4 not found"
155 [ "$MKFS_F2FS_PROG" = "" ] && _fatal "mkfs.f2fs not found"
172 [ "$MKFS_REISER4_PROG" = "" ] && _fatal "mkfs.reiser4 not found"
177 [ "$UBIUPDATEVOL_PROG" = "" ] && _fatal "ubiupdatevol not found"
181 if [ ! -z "$REPORT_LIST" ]; then
188 $MOUNT_PROG `_mount_ops_filter $*`
191 # Call _mount to do mount operation but also save mountpoint to
192 # MOUNTED_POINT_STACK. Note that the mount point must be the last parameter
195 local mnt_point=${!#}
196 local mnt_dev=${@:(-2):1}
197 local scratch_opts=""
198 if [ "$mnt_dev" = "$SCRATCH_DEV" ]; then
199 _scratch_options mount
200 scratch_opts="$SCRATCH_OPTIONS"
203 _mount $scratch_opts $*
204 if [ $? -eq 0 ]; then
205 MOUNTED_POINT_STACK="$mnt_point $MOUNTED_POINT_STACK"
211 # Unmount the last mounted mountpoint in MOUNTED_POINT_STACK
212 # and return it to caller
215 local last_mnt=`echo $MOUNTED_POINT_STACK | awk '{print $1}'`
217 if [ -n "$last_mnt" ]; then
218 $UMOUNT_PROG $last_mnt
220 MOUNTED_POINT_STACK=`echo $MOUNTED_POINT_STACK | cut -d\ -f2-`
223 # Unmount all mountpoints in MOUNTED_POINT_STACK and clear the stack
226 if [ -n "$MOUNTED_POINT_STACK" ]; then
227 $UMOUNT_PROG $MOUNTED_POINT_STACK
229 MOUNTED_POINT_STACK=""
239 if [ "$FSTYP" != "xfs" ]; then
245 SCRATCH_OPTIONS="$SCRATCH_OPTIONS -f"
254 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
255 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${rt_opt}rtdev=$SCRATCH_RTDEV"
256 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
257 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${log_opt}logdev=$SCRATCH_LOGDEV"
267 if [ "$FSTYP" != "xfs" ]; then
281 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_RTDEV" ] && \
282 TEST_OPTIONS="$TEST_OPTIONS ${rt_opt}rtdev=$TEST_RTDEV"
283 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
284 TEST_OPTIONS="$TEST_OPTIONS ${log_opt}logdev=$TEST_LOGDEV"
290 local last_index=$(( $# - 1 ))
292 #get mount point to handle dmapi mtpt option correctly
293 [ $last_index -gt 0 ] && shift $last_index
296 echo $params | sed -e 's/dmapi/dmi/' \
297 | $PERL_PROG -ne "s#mtpt=[^,|^\n|^\s]*#mtpt=$fs_escaped\1\2#; print;"
301 # Used for mounting non-scratch devices (e.g. loop, dm constructs)
302 # with the safe set of scratch mount options (e.g. loop image may be
303 # hosted on $SCRATCH_DEV, so can't use external scratch devices).
304 _common_dev_mount_options()
306 echo $MOUNT_OPTIONS $SELINUX_MOUNT_OPTIONS $*
309 _scratch_mount_options()
311 _scratch_options mount
313 echo `_common_dev_mount_options $*` $SCRATCH_OPTIONS \
314 $SCRATCH_DEV $SCRATCH_MNT
321 local fstyp=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $2}'`
324 $XFS_INFO_PROG $dir | grep -q "ftype=1"
327 local dev=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $1}'`
328 tune2fs -l $dev | grep -q filetype
331 local testfile=$dir/$$.ftype
333 # look for DT_UNKNOWN files
334 local unknowns=$(src/t_dir_type $dir u | wc -l)
336 # 0 unknowns is success
342 # mount scratch device with given options but don't check mount status
345 if [ "$FSTYP" == "overlay" ]; then
346 _overlay_scratch_mount $*
349 _mount -t $FSTYP `_scratch_mount_options $*`
352 # mount scratch device with given options and _fail if mount fails
355 _try_scratch_mount $* || _fail "mount failed"
362 _overlay_scratch_unmount
365 $UMOUNT_PROG $SCRATCH_MNT
368 $UMOUNT_PROG $SCRATCH_DEV
377 if test -n "$opts"; then
378 mount -o "remount,$opts" $SCRATCH_MNT
382 _scratch_cycle_mount()
386 if [ "$FSTYP" = tmpfs ]; then
387 _scratch_remount "$opts"
390 if test -n "$opts"; then
394 _try_scratch_mount "$opts" || _fail "cycle mount failed"
399 if [ $FSTYP = "overlay" ]; then
400 # In lagacy overlay usage, it may specify directory as
401 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
402 # will be null, so check OVL_BASE_SCRATCH_DEV before
403 # running shutdown to avoid shutting down base fs accidently.
404 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
405 _fail "_scratch_shutdown: call _require_scratch_shutdown first in test"
407 src/godown $* $OVL_BASE_SCRATCH_MNT
410 src/godown $* $SCRATCH_MNT
416 if [ "$FSTYP" == "overlay" ]; then
417 _overlay_test_mount $*
421 _mount -t $FSTYP $TEST_OPTIONS $TEST_FS_MOUNT_OPTS $SELINUX_MOUNT_OPTIONS $* $TEST_DEV $TEST_DIR
426 if [ "$FSTYP" == "overlay" ]; then
427 _overlay_test_unmount
429 $UMOUNT_PROG $TEST_DEV
435 if [ "$FSTYP" = tmpfs ]; then
442 _scratch_mkfs_options()
444 _scratch_options mkfs
445 echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV
448 # Do the actual mkfs work on SCRATCH_DEV. Firstly mkfs with both MKFS_OPTIONS
449 # and user specified mkfs options, if that fails (due to conflicts between mkfs
450 # options), do a second mkfs with only user provided mkfs options.
452 # First param is the mkfs command without any mkfs options and device.
453 # Second param is the filter to remove unnecessary messages from mkfs stderr.
454 # Other extra mkfs options are followed.
460 local extra_mkfs_options=$*
462 local tmp=`mktemp -u`
464 # save mkfs output in case conflict means we need to run again.
465 # only the output for the mkfs that applies should be shown
466 eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
467 2>$tmp.mkfserr 1>$tmp.mkfsstd
470 # a mkfs failure may be caused by conflicts between $MKFS_OPTIONS and
471 # $extra_mkfs_options
472 if [ $mkfs_status -ne 0 -a -n "$extra_mkfs_options" ]; then
474 echo -n "** mkfs failed with extra mkfs options "
475 echo "added to \"$MKFS_OPTIONS\" by test $seq **"
476 echo -n "** attempting to mkfs using only test $seq "
477 echo "options: $extra_mkfs_options **"
480 # running mkfs again. overwrite previous mkfs output files
481 eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
482 2>$tmp.mkfserr 1>$tmp.mkfsstd
486 # output stored mkfs output, filtering unnecessary output from stderr
488 eval "cat $tmp.mkfserr | $mkfs_filter" >&2
490 rm -f $tmp.mkfserr $tmp.mkfsstd
500 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
501 options="-l $SCRATCH_LOGDEV"
503 xfs_metadump $options "$@" $SCRATCH_DEV $dumpfile
506 _setup_large_ext4_fs()
511 [ "$LARGE_SCRATCH_DEV" != yes ] && return 0
512 [ -z "$SCRATCH_DEV_EMPTY_SPACE" ] && SCRATCH_DEV_EMPTY_SPACE=0
513 [ $SCRATCH_DEV_EMPTY_SPACE -ge $fs_size ] && return 0
515 # Default free space in the FS is 50GB, but you can specify more via
516 # SCRATCH_DEV_EMPTY_SPACE
517 local space_to_consume=$(($fs_size - 50*1024*1024*1024 - $SCRATCH_DEV_EMPTY_SPACE))
519 # mount the filesystem and create 16TB - 4KB files until we consume
520 # all the necessary space.
521 _try_scratch_mount 2>&1 >$tmp_dir/mnt.err
523 if [ $status -ne 0 ]; then
525 cat $tmp_dir/mnt.err >&2
526 rm -f $tmp_dir/mnt.err
529 rm -f $tmp_dir/mnt.err
531 local file_size=$((16*1024*1024*1024*1024 - 4096))
533 while [ $space_to_consume -gt $file_size ]; do
536 -c "truncate $file_size" \
537 -c "falloc -k 0 $file_size" \
538 $SCRATCH_MNT/.use_space.$nfiles 2>&1
540 if [ $status -ne 0 ]; then
544 space_to_consume=$(( $space_to_consume - $file_size ))
545 nfiles=$(($nfiles + 1))
548 # consume the remaining space.
549 if [ $space_to_consume -gt 0 ]; then
551 -c "truncate $space_to_consume" \
552 -c "falloc -k 0 $space_to_consume" \
553 $SCRATCH_MNT/.use_space.$nfiles 2>&1
556 export NUM_SPACE_FILES=$nfiles
559 if [ $status -ne 0 ]; then
560 echo "large file prealloc failed"
561 cat $tmp_dir/mnt.err >&2
569 local mkfs_cmd="$MKFS_EXT4_PROG -F"
570 local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
571 local tmp=`mktemp -u`
574 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
575 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
576 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
578 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
581 if [ $mkfs_status -eq 0 -a "$LARGE_SCRATCH_DEV" = yes ]; then
582 # manually parse the mkfs output to get the fs size in bytes
583 local fs_size=`cat $tmp.mkfsstd | awk ' \
584 /^Block size/ { split($2, a, "="); bs = a[2] ; } \
585 / inodes, / { blks = $3 } \
586 /reserved for the super user/ { resv = $1 } \
587 END { fssize = bs * blks - resv; print fssize }'`
589 _setup_large_ext4_fs $fs_size
593 # output mkfs stdout and stderr
596 rm -f $tmp.mkfserr $tmp.mkfsstd
608 # do nothing for cifs
614 # do nothing for ceph
617 # do nothing for glusterfs
620 # do nothing for overlay
623 # do nothing for pvfs2
626 $MKFS_UDF_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
629 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
632 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* $TEST_DEV
635 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* $TEST_DEV
642 local tmp=`mktemp -u`
651 # do nothing for overlay
654 # do nothing for pvfs2
657 $MKFS_UDF_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
660 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
663 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* \
664 2>$tmp.mkfserr 1>$tmp.mkfsstd
667 $MKFS_PROG -t $FSTYP -- -f $MKFS_OPTIONS $* \
668 2>$tmp.mkfserr 1>$tmp.mkfsstd
671 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* \
672 2>$tmp.mkfserr 1>$tmp.mkfsstd
676 if [ $? -ne 0 ]; then
677 # output stored mkfs output
683 rm -f $tmp.mkfserr $tmp.mkfsstd
686 # remove all files in $SCRATCH_MNT, useful when testing on NFS/CIFS
687 _scratch_cleanup_files()
691 # Avoid rm -rf /* if we messed up
692 [ -n "$OVL_BASE_SCRATCH_MNT" ] || return 1
693 _overlay_base_scratch_mount || return 1
694 rm -rf $OVL_BASE_SCRATCH_MNT/* || return 1
695 _overlay_mkdirs $OVL_BASE_SCRATCH_MNT
696 # leave base fs mouted so tests can setup lower/upper dir files
699 [ -n "$SCRATCH_MNT" ] || return 1
701 rm -rf $SCRATCH_MNT/*
714 nfs*|cifs|ceph|overlay|glusterfs|pvfs2|9p)
715 # unable to re-create this fstyp, just remove all files in
716 # $SCRATCH_MNT to avoid EEXIST caused by the leftover files
717 # created in previous runs
718 _scratch_cleanup_files
722 # do nothing for tmpfs
726 # erase the UBI volume; reformated automatically on next mount
727 $UBIUPDATEVOL_PROG ${SCRATCH_DEV} -t
731 _scratch_mkfs_ext4 $*
739 mkfs_cmd="$MKFS_UDF_PROG"
743 mkfs_cmd="$MKFS_BTRFS_PROG"
747 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
748 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
750 # put journal on separate device?
751 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
752 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
753 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
756 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
757 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
760 mkfs_cmd="$MKFS_F2FS_PROG"
764 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
765 mkfs_filter="grep -v -e ^mkfs\.ocfs2"
768 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
773 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $*
777 # Helper function to get a spare or replace-target device from
778 # configured SCRATCH_DEV_POLL, must call _scratch_dev_pool_get()
779 # before _spare_dev_get(). Replace-target-device/Spare-device will
780 # be assigned to SPARE_DEV.
781 # As of now only one replace-target-device/spare-device can be
785 # _scratch_dev_pool_get() <ndevs>
789 # _scratch_dev_pool_put()
793 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
794 if [ $? -ne 0 ]; then
795 _fail "Bug: unset val, must call _scratch_dev_pool_get before _spare_dev_get"
798 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
799 _fail "Bug: str empty, must call _scratch_dev_pool_get before _spare_dev_get"
802 # Check if the spare is already assigned
803 typeset -p SPARE_DEV >/dev/null 2>&1
804 if [ $? -eq 0 ]; then
805 if [ ! -z "$SPARE_DEV" ]; then
806 _fail "Bug: SPARE_DEV = $SPARE_DEV already assigned"
810 local ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
811 local config_ndevs=`echo $SCRATCH_DEV_POOL_SAVED| wc -w`
813 if [ $ndevs -eq $config_ndevs ]; then
814 _notrun "All devs used no spare"
816 # Get a dev that is not used
817 local -a devs="( $SCRATCH_DEV_POOL_SAVED )"
818 SPARE_DEV=${devs[@]:$ndevs:1}
824 typeset -p SPARE_DEV >/dev/null 2>&1
825 if [ $? -ne 0 ]; then
826 _fail "Bug: unset val, must call _spare_dev_get before its put"
829 if [ -z "$SPARE_DEV" ]; then
830 _fail "Bug: str empty, must call _spare_dev_get before its put"
837 # Generally test cases will have..
838 # _require_scratch_dev_pool X
839 # to make sure it has the enough scratch devices including
840 # replace-target and spare device. Now arg1 here is the
841 # required number of scratch devices by a-test-case excluding
842 # the replace-target and spare device. So this function will
843 # set SCRATCH_DEV_POOL to the specified number of devices.
846 # _scratch_dev_pool_get() <ndevs>
849 # _scratch_dev_pool_put()
851 _scratch_dev_pool_get()
853 if [ $# -ne 1 ]; then
854 _fail "Usage: _scratch_dev_pool_get ndevs"
858 local config_ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
859 local -a devs="( $SCRATCH_DEV_POOL )"
861 typeset -p config_ndevs >/dev/null 2>&1
862 if [ $? -ne 0 ]; then
863 _fail "Bug: cant find SCRATCH_DEV_POOL ndevs"
866 if [ $config_ndevs -lt $test_ndevs ]; then
867 _notrun "Need at least test requested number of ndevs $test_ndevs"
870 SCRATCH_DEV_POOL_SAVED=${SCRATCH_DEV_POOL}
871 export SCRATCH_DEV_POOL_SAVED
872 SCRATCH_DEV_POOL=${devs[@]:0:$test_ndevs}
873 export SCRATCH_DEV_POOL
876 _scratch_dev_pool_put()
878 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
879 if [ $? -ne 0 ]; then
880 _fail "Bug: unset val, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
883 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
884 _fail "Bug: str empty, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
887 export SCRATCH_DEV_POOL=$SCRATCH_DEV_POOL_SAVED
888 export SCRATCH_DEV_POOL_SAVED=""
895 # if dup profile is in mkfs options call _scratch_mkfs instead
896 # because dup profile only works with single device
897 if [[ "$*" =~ dup ]]; then
900 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $SCRATCH_DEV_POOL > /dev/null
904 echo "_scratch_pool_mkfs is not implemented for $FSTYP" 1>&2
909 # Return the amount of free memory available on the system
912 free -b | grep ^Mem | awk '{print $4}'
915 # Create fs of certain size on scratch device
916 # _scratch_mkfs_sized <size in bytes> [optional blocksize]
917 _scratch_mkfs_sized()
925 def_blksz=`echo $MKFS_OPTIONS|sed -rn 's/.*-b ?size= ?+([0-9]+).*/\1/p'`
927 ext2|ext3|ext4|ext4dev|udf|btrfs|reiser4|ocfs2|reiserfs)
928 def_blksz=`echo $MKFS_OPTIONS| sed -rn 's/.*-b ?+([0-9]+).*/\1/p'`
935 [ -n "$def_blksz" ] && blocksize=$def_blksz
936 [ -z "$blocksize" ] && blocksize=4096
940 if ! [[ $fssize =~ $re ]] ; then
941 _notrun "error: _scratch_mkfs_sized: fs size \"$fssize\" not an integer."
943 if ! [[ $blocksize =~ $re ]] ; then
944 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
947 local blocks=`expr $fssize / $blocksize`
949 if [ "$HOSTOS" == "Linux" -a -b "$SCRATCH_DEV" ]; then
950 local devsize=`blockdev --getsize64 $SCRATCH_DEV`
951 [ "$fssize" -gt "$devsize" ] && _notrun "Scratch device too small"
956 # don't override MKFS_OPTIONS that set a block size.
957 echo $MKFS_OPTIONS |egrep -q "b?size="
958 if [ $? -eq 0 ]; then
959 _scratch_mkfs_xfs -d size=$fssize
961 _scratch_mkfs_xfs -d size=$fssize -b size=$blocksize
964 ext2|ext3|ext4|ext4dev)
965 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
968 # mkfs.gfs2 doesn't automatically shrink journal files on small
969 # filesystems, so the journal files may end up being bigger than the
970 # filesystem, which will cause mkfs.gfs2 to fail. Until that's fixed,
971 # shrink the journal size to at most one eigth of the filesystem and at
972 # least 8 MiB, the minimum size allowed.
973 local min_journal_size=8
974 local default_journal_size=128
975 if (( fssize/8 / (1024*1024) < default_journal_size )); then
976 local journal_size=$(( fssize/8 / (1024*1024) ))
977 (( journal_size >= min_journal_size )) || journal_size=$min_journal_size
978 MKFS_OPTIONS="-J $journal_size $MKFS_OPTIONS"
980 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV $blocks
983 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
986 $MKFS_UDF_PROG $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
990 (( fssize <= 1024 * 1024 * 1024 )) && mixed_opt='--mixed'
991 $MKFS_BTRFS_PROG $MKFS_OPTIONS $mixed_opt -b $fssize $SCRATCH_DEV
994 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS $SCRATCH_DEV $blocks
997 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
1000 # mkfs.resier4 requires size in KB as input for creating filesystem
1001 $MKFS_REISER4_PROG $MKFS_OPTIONS -y -b $blocksize $SCRATCH_DEV \
1002 `expr $fssize / 1024`
1005 # mkfs.f2fs requires # of sectors as an input for the size
1006 local sector_size=`blockdev --getss $SCRATCH_DEV`
1007 $MKFS_F2FS_PROG $MKFS_OPTIONS $SCRATCH_DEV `expr $fssize / $sector_size`
1010 local free_mem=`_free_memory_bytes`
1011 if [ "$free_mem" -lt "$fssize" ] ; then
1012 _notrun "Not enough memory ($free_mem) for tmpfs with $fssize bytes"
1014 export MOUNT_OPTIONS="-o size=$fssize $TMPFS_MOUNT_OPTIONS"
1017 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized"
1022 # Emulate an N-data-disk stripe w/ various stripe units
1023 # _scratch_mkfs_geom <sunit bytes> <swidth multiplier> [optional blocksize]
1024 _scratch_mkfs_geom()
1026 local sunit_bytes=$1
1027 local swidth_mult=$2
1029 [ -z "$blocksize" ] && blocksize=4096
1031 local sunit_blocks=$(( sunit_bytes / blocksize ))
1032 local swidth_blocks=$(( sunit_blocks * swidth_mult ))
1036 MKFS_OPTIONS+=" -b size=$blocksize, -d su=$sunit_bytes,sw=$swidth_mult"
1039 MKFS_OPTIONS+=" -b $blocksize -E stride=$sunit_blocks,stripe_width=$swidth_blocks"
1042 _notrun "can't mkfs $FSTYP with geometry"
1048 # Create fs of certain blocksize on scratch device
1049 # _scratch_mkfs_blocksized blocksize
1050 _scratch_mkfs_blocksized()
1055 if ! [[ $blocksize =~ $re ]] ; then
1056 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
1061 _scratch_mkfs_xfs $MKFS_OPTIONS -b size=$blocksize
1064 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV
1067 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV
1070 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize -C $blocksize $SCRATCH_DEV
1073 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_blocksized"
1082 xfs_io -x -c "resblks $1" $SCRATCH_MNT
1090 # Repair scratch filesystem. Returns 0 if the FS is good to go (either no
1091 # errors found or errors were fixed) and nonzero otherwise; also spits out
1092 # a complaint on stderr if fsck didn't tell us that the FS is good to go.
1093 _repair_scratch_fs()
1097 _scratch_xfs_repair "$@" 2>&1
1099 if [ "$res" -ne 0 ]; then
1100 echo "xfs_repair returns $res; replay log?"
1103 if [ "$res" -gt 0 ]; then
1104 echo "mount returns $res; zap log?"
1105 _scratch_xfs_repair -L 2>&1
1106 echo "log zap returns $?"
1108 umount "$SCRATCH_MNT"
1110 _scratch_xfs_repair "$@" 2>&1
1113 if [ $res -ne 0 ]; then
1114 _dump_err2 "xfs_repair failed, err=$res"
1119 # Let's hope fsck -y suffices...
1120 fsck -t $FSTYP -y $SCRATCH_DEV 2>&1
1127 _dump_err2 "fsck.$FSTYP failed, err=$res"
1139 echo "Usage: _get_pids_by_name process-name" 1>&2
1143 # Algorithm ... all ps(1) variants have a time of the form MM:SS or
1144 # HH:MM:SS before the psargs field, use this as the search anchor.
1146 # Matches with $1 (process-name) occur if the first psarg is $1
1147 # or ends in /$1 ... the matching uses sed's regular expressions,
1148 # so passing a regex into $1 will work.
1153 -e 's/[ ][ ]*/ /g' \
1156 -e "/[0-9]:[0-9][0-9] *[^ ]*\/$1 /s/ .*//p" \
1157 -e "/[0-9]:[0-9][0-9] *$1 /s/ .*//p"
1161 # _df_device : get an IRIX style df line for a given device
1163 # - returns "" if not mounted
1164 # - returns fs type in field two (ala IRIX)
1165 # - joins line together if split by fancy df formatting
1166 # - strips header etc
1173 echo "Usage: _df_device device" 1>&2
1177 # Note that we use "==" here so awk doesn't try to interpret an NFS over
1178 # IPv6 server as a regular expression.
1179 $DF_PROG 2>/dev/null | $AWK_PROG -v what=$1 '
1180 ($1==what) && (NF==1) {
1194 # _df_dir : get an IRIX style df line for device where a directory resides
1196 # - returns fs type in field two (ala IRIX)
1197 # - joins line together if split by fancy df formatting
1198 # - strips header etc
1205 echo "Usage: _df_dir device" 1>&2
1209 $DF_PROG $1 2>/dev/null | $AWK_PROG -v what=$1 '
1225 # return percentage used disk space for mounted device
1231 echo "Usage: _used device" 1>&2
1235 _df_device $1 | $AWK_PROG '{ sub("%", "") ; print $6 }'
1238 # return the FS type of a mounted device
1244 echo "Usage: _fs_type device" 1>&2
1249 # The Linux kernel shows NFSv4 filesystems in df output as
1250 # filesystem type nfs4, although we mounted it as nfs earlier.
1251 # Fix the filesystem type up here so that the callers don't
1252 # have to bother with this quirk.
1254 _df_device $1 | $AWK_PROG '{ print $2 }' | \
1255 sed -e 's/nfs4/nfs/' -e 's/fuse.glusterfs/glusterfs/'
1258 # return the FS mount options of a mounted device
1260 # should write a version which just parses the output of mount for IRIX
1261 # compatibility, but since this isn't used at all, at the moment I'll leave
1268 echo "Usage: _fs_options device" 1>&2
1272 $AWK_PROG -v dev=$1 '
1273 match($1,dev) { print $4 }
1277 # returns device number if a file is a block device
1283 echo "Usage: _is_block_dev dev" 1>&2
1288 if [ -L "$dev" ]; then
1289 dev=`readlink -f "$dev"`
1292 if [ -b "$dev" ]; then
1293 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1297 # returns device number if a file is a character device
1301 if [ $# -ne 1 ]; then
1302 echo "Usage: _is_char_dev dev" 1>&2
1307 if [ -L "$dev" ]; then
1308 dev=`readlink -f "$dev"`
1311 if [ -c "$dev" ]; then
1312 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1316 # Do a command, log it to $seqres.full, optionally test return status
1317 # and die if command fails. If called with one argument _do executes the
1318 # command, logs it, and returns its exit status. With two arguments _do
1319 # first prints the message passed in the first argument, and then "done"
1320 # or "fail" depending on the return status of the command passed in the
1321 # second argument. If the command fails and the variable _do_die_on_error
1322 # is set to "always" or the two argument form is used and _do_die_on_error
1323 # is set to "message_only" _do will print an error message to
1324 # $seqres.out and exit.
1328 if [ $# -eq 1 ]; then
1330 elif [ $# -eq 2 ]; then
1335 echo "Usage: _do [note] cmd" 1>&2
1339 (eval "echo '---' \"$cmd\"") >>$seqres.full
1340 (eval "$cmd") >$tmp._out 2>&1
1342 cat $tmp._out >>$seqres.full
1344 if [ $# -eq 2 ]; then
1345 if [ $ret -eq 0 ]; then
1352 && [ "$_do_die_on_error" = "always" \
1353 -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
1355 [ $# -ne 2 ] && echo
1356 eval "echo \"$cmd\" failed \(returned $ret\): see $seqres.full"
1363 # bail out, setting up .notrun file. Need to kill the filesystem check files
1364 # here, otherwise they are set incorrectly for the next test.
1368 echo "$*" > $seqres.notrun
1369 echo "$seq not run: $*"
1370 rm -f ${RESULT_DIR}/require_test*
1371 rm -f ${RESULT_DIR}/require_scratch*
1377 # just plain bail out
1381 echo "$*" | tee -a $seqres.full
1382 echo "(see $seqres.full for details)"
1387 # tests whether $FSTYP is one of the supported filesystems for a test
1395 if [ "$f" = "$FSTYP" -o "$f" = "generic" ]
1401 _notrun "not suitable for this filesystem type: $FSTYP"
1405 # tests whether $FSTYP is one of the supported OSes for a test
1413 if [ "$h" = "$HOSTOS" ]
1419 _notrun "not suitable for this OS: $HOSTOS"
1422 # check if a FS on a device is mounted
1423 # if so, verify that it is mounted on mount point
1424 # if fstype is given as argument, verify that it is also
1425 # mounted with correct fs type
1435 # find $dev as the source, and print result in "$dev $mnt" format
1436 local mount_rec=`findmnt -rncv -S $dev -o SOURCE,TARGET`
1437 [ -n "$mount_rec" ] || return 1 # 1 = not mounted
1439 # if it's mounted, make sure its on $mnt
1440 if [ "$mount_rec" != "$dev $mnt" ]; then
1441 echo "$devname=$dev is mounted but not on $mntname=$mnt - aborting"
1442 echo "Already mounted result:"
1444 return 2 # 2 = mounted on wrong mnt
1447 if [ -n "$type" -a "`_fs_type $dev`" != "$type" ]; then
1448 echo "$devname=$dev is mounted but not a type $type filesystem"
1449 # raw $DF_PROG cannot handle NFS/CIFS/overlay correctly
1451 return 3 # 3 = mounted as wrong type
1453 return 0 # 0 = mounted as expected
1456 # this test needs a scratch partition - check we're ok & unmount it
1457 # No post-test check of the device is required. e.g. the test intentionally
1458 # finishes the test with the filesystem in a corrupt state
1459 _require_scratch_nocheck()
1463 echo $SCRATCH_DEV | egrep -q ":/?" > /dev/null 2>&1
1464 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1465 _notrun "this test requires a valid \$SCRATCH_DEV"
1467 if [ ! -d "$SCRATCH_MNT" ]; then
1468 _notrun "this test requires a valid \$SCRATCH_MNT"
1472 if [ -z "$SCRATCH_DEV" ]; then
1473 _notrun "this test requires a valid \$SCRATCH_DEV"
1475 if [ ! -d "$SCRATCH_MNT" ]; then
1476 _notrun "this test requires a valid \$SCRATCH_MNT"
1480 echo $SCRATCH_DEV | grep -q ":/" > /dev/null 2>&1
1481 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1482 _notrun "this test requires a valid \$SCRATCH_DEV"
1484 if [ ! -d "$SCRATCH_MNT" ]; then
1485 _notrun "this test requires a valid \$SCRATCH_MNT"
1489 echo $SCRATCH_DEV | grep -q "://" > /dev/null 2>&1
1490 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1491 _notrun "this test requires a valid \$SCRATCH_DEV"
1493 if [ ! -d "$SCRATCH_MNT" ]; then
1494 _notrun "this test requires a valid \$SCRATCH_MNT"
1498 echo $SCRATCH_DEV | grep -q "//" > /dev/null 2>&1
1499 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1500 _notrun "this test requires a valid \$SCRATCH_DEV"
1502 if [ ! -d "$SCRATCH_MNT" ]; then
1503 _notrun "this test requires a valid \$SCRATCH_MNT"
1507 if [ -z "$OVL_BASE_SCRATCH_MNT" -o ! -d "$OVL_BASE_SCRATCH_MNT" ]; then
1508 _notrun "this test requires a valid \$OVL_BASE_SCRATCH_MNT as ovl base dir"
1510 # if $SCRATCH_MNT is derived from $OVL_BASE_SCRATCH_MNT then
1511 # don't check $SCRATCH_MNT dir here because base fs may not be mounted
1512 # and we will create the mount point anyway on _overlay_mount
1513 if [ "$SCRATCH_MNT" != "$OVL_BASE_SCRATCH_MNT/$OVL_MNT" -a ! -d "$SCRATCH_MNT" ]; then
1514 _notrun "this test requires a valid \$SCRATCH_MNT"
1518 if [ -z "$SCRATCH_DEV" -o ! -d "$SCRATCH_MNT" ];
1520 _notrun "this test requires a valid \$SCRATCH_MNT and unique $SCRATCH_DEV"
1524 # ubifs needs an UBI volume. This will be a char device, not a block device.
1525 if [ ! -c "$SCRATCH_DEV" ]; then
1526 _notrun "this test requires a valid UBI volume for \$SCRATCH_DEV"
1528 if [ ! -d "$SCRATCH_MNT" ]; then
1529 _notrun "this test requires a valid \$SCRATCH_MNT"
1533 if [ -z "$SCRATCH_DEV" -o "`_is_block_dev "$SCRATCH_DEV"`" = "" ]
1535 _notrun "this test requires a valid \$SCRATCH_DEV"
1537 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1539 _notrun "this test requires a valid \$SCRATCH_DEV"
1541 if [ ! -d "$SCRATCH_MNT" ]
1543 _notrun "this test requires a valid \$SCRATCH_MNT"
1548 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
1550 [ $err -le 1 ] || exit 1
1553 # if it's mounted, unmount it
1554 if ! _scratch_unmount
1556 echo "failed to unmount $SCRATCH_DEV"
1560 rm -f ${RESULT_DIR}/require_scratch
1563 # we need the scratch device and it should be checked post test.
1566 _require_scratch_nocheck
1567 touch ${RESULT_DIR}/require_scratch
1570 # require a scratch dev of a minimum size (in kb)
1571 _require_scratch_size()
1573 [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
1576 local devsize=`_get_device_size $SCRATCH_DEV`
1577 [ $devsize -lt $1 ] && _notrun "scratch dev too small"
1581 # this test needs a test partition - check we're ok & mount it
1587 echo $TEST_DEV | egrep -q ":/?" > /dev/null 2>&1
1588 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1589 _notrun "this test requires a valid \$TEST_DEV"
1591 if [ ! -d "$TEST_DIR" ]; then
1592 _notrun "this test requires a valid \$TEST_DIR"
1596 if [ -z "$TEST_DEV" ]; then
1597 _notrun "this test requires a valid \$TEST_DEV"
1599 if [ ! -d "$TEST_DIR" ]; then
1600 _notrun "this test requires a valid \$TEST_DIR"
1604 echo $TEST_DEV | grep -q ":/" > /dev/null 2>&1
1605 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1606 _notrun "this test requires a valid \$TEST_DEV"
1608 if [ ! -d "$TEST_DIR" ]; then
1609 _notrun "this test requires a valid \$TEST_DIR"
1613 echo $TEST_DEV | grep -q "//" > /dev/null 2>&1
1614 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1615 _notrun "this test requires a valid \$TEST_DEV"
1617 if [ ! -d "$TEST_DIR" ]; then
1618 _notrun "this test requires a valid \$TEST_DIR"
1622 echo $TEST_DEV | grep -q "://" > /dev/null 2>&1
1623 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1624 _notrun "this test requires a valid \$TEST_DIR"
1626 if [ ! -d "$TEST_DIR" ]; then
1627 _notrun "this test requires a valid \$TEST_DIR"
1631 if [ -z "$OVL_BASE_TEST_DIR" -o ! -d "$OVL_BASE_TEST_DIR" ]; then
1632 _notrun "this test requires a valid \$TEST_DIR as ovl base dir"
1634 if [ ! -d "$TEST_DIR" ]; then
1635 _notrun "this test requires a valid \$TEST_DIR"
1639 if [ -z "$TEST_DEV" -o ! -d "$TEST_DIR" ];
1641 _notrun "this test requires a valid \$TEST_DIR and unique $TEST_DEV"
1645 # ubifs needs an UBI volume. This will be a char device, not a block device.
1646 if [ ! -c "$TEST_DEV" ]; then
1647 _notrun "this test requires a valid UBI volume for \$TEST_DEV"
1649 if [ ! -d "$TEST_DIR" ]; then
1650 _notrun "this test requires a valid \$TEST_DIR"
1654 if [ -z "$TEST_DEV" ] || [ "`_is_block_dev "$TEST_DEV"`" = "" ]
1656 _notrun "this test requires a valid \$TEST_DEV"
1658 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1660 _notrun "this test requires a valid \$TEST_DEV"
1662 if [ ! -d "$TEST_DIR" ]
1664 _notrun "this test requires a valid \$TEST_DIR"
1669 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR
1671 [ $err -le 1 ] || exit 1
1676 echo "!!! failed to mount $TEST_DEV on $TEST_DIR"
1680 touch ${RESULT_DIR}/require_test
1686 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && ret=1
1687 [ "$USE_EXTERNAL" != yes ] && ret=1
1692 # this test needs a logdev
1696 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && \
1697 _notrun "This test requires a valid \$SCRATCH_LOGDEV"
1698 [ "$USE_EXTERNAL" != yes ] && \
1699 _notrun "This test requires USE_EXTERNAL to be enabled"
1701 # ensure its not mounted
1702 $UMOUNT_PROG $SCRATCH_LOGDEV 2>/dev/null
1705 # this test requires loopback device support
1709 if [ "$HOSTOS" != "Linux" ]
1711 _notrun "This test requires linux for loopback device support"
1714 modprobe loop >/dev/null 2>&1
1715 if grep loop /proc/devices >/dev/null 2>&1
1719 _notrun "This test requires loopback device support"
1723 # this test requires ext2 filesystem support
1727 if [ "$HOSTOS" != "Linux" ]
1729 _notrun "This test requires linux for ext2 filesystem support"
1732 modprobe ext2 >/dev/null 2>&1
1733 if grep ext2 /proc/filesystems >/dev/null 2>&1
1737 _notrun "This test requires ext2 filesystem support"
1741 # this test requires tmpfs filesystem support
1745 modprobe tmpfs >/dev/null 2>&1
1746 grep -q tmpfs /proc/filesystems ||
1747 _notrun "this test requires tmpfs support"
1750 # this test requires that (large) loopback device files are not in use
1752 _require_no_large_scratch_dev()
1754 [ "$LARGE_SCRATCH_DEV" = yes ] && \
1755 _notrun "Large filesystem testing in progress, skipped this test"
1758 # this test requires that a realtime subvolume is in use, and
1759 # that the kernel supports realtime as well.
1763 [ "$USE_EXTERNAL" = yes ] || \
1764 _notrun "External volumes not in use, skipped this test"
1765 [ "$SCRATCH_RTDEV" = "" ] && \
1766 _notrun "Realtime device required, skipped this test"
1769 # This test requires that a realtime subvolume is not in use
1771 _require_no_realtime()
1773 [ "$USE_EXTERNAL" = "yes" ] && [ -n "$SCRATCH_RTDEV" ] && \
1774 _notrun "Test not compatible with realtime subvolumes, skipped this test"
1777 # this test requires that a specified command (executable) exists
1778 # $1 - command, $2 - name for error message
1780 # Note: the command string might have parameters, so strip them before checking
1781 # whether it is executable.
1784 if [ $# -eq 2 ]; then
1786 elif [ $# -eq 1 ]; then
1789 _fail "usage: _require_command <command> [<name>]"
1792 local command=`echo "$1" | awk '{ print $1 }'`
1793 if [ ! -x "$command" ]; then
1794 _notrun "$name utility required, skipped this test"
1798 # this test requires the device to be valid block device
1800 _require_block_device()
1802 if [ -z "$1" ]; then
1803 echo "Usage: _require_block_device <dev>" 1>&2
1806 if [ "`_is_block_dev "$1"`" == "" ]; then
1807 _notrun "require $1 to be valid block disk"
1811 # this test requires a path to refere to a local block or character device
1813 _require_local_device()
1815 if [ -z "$1" ]; then
1816 echo "Usage: _require_local_device <dev>" 1>&2
1819 if [ "`_is_block_dev "$1"`" != "" ]; then
1822 if [ "`_is_char_dev "$1"`" != "" ]; then
1825 _notrun "require $1 to be local device"
1828 # brd based ram disks erase the device when they receive a flush command when no
1829 # active references are present. This causes problems for DM devices sitting on
1830 # top of brd devices as DM doesn't hold active references to the brd device.
1831 _require_sane_bdev_flush()
1833 echo $1 | grep -q "^/dev/ram[0-9]\+$"
1834 if [ $? -eq 0 ]; then
1835 _notrun "This test requires a sane block device flush"
1839 # this test requires a specific device mapper target
1840 _require_dm_target()
1844 # require SCRATCH_DEV to be a valid block device with sane BLKFLSBUF
1846 _require_block_device $SCRATCH_DEV
1847 _require_sane_bdev_flush $SCRATCH_DEV
1848 _require_command "$DMSETUP_PROG" dmsetup
1850 modprobe dm-$target >/dev/null 2>&1
1852 $DMSETUP_PROG targets 2>&1 | grep -q ^$target
1853 if [ $? -ne 0 ]; then
1854 _notrun "This test requires dm $target support"
1858 # this test requires the ext4 kernel support crc feature on scratch device
1860 _require_scratch_ext4_crc()
1862 _scratch_mkfs_ext4 >/dev/null 2>&1
1863 dumpe2fs -h $SCRATCH_DEV 2> /dev/null | grep -q metadata_csum || _notrun "metadata_csum not supported by this filesystem"
1864 _try_scratch_mount >/dev/null 2>&1 \
1865 || _notrun "Kernel doesn't support metadata_csum feature"
1869 # Check whether the specified feature whether it is supported by
1870 # mkfs.ext4 and the kernel.
1871 _require_scratch_ext4_feature()
1873 if [ -z "$1" ]; then
1874 echo "Usage: _require_scratch_ext4_feature feature"
1877 $MKFS_EXT4_PROG -F $MKFS_OPTIONS -O "$1" \
1878 $SCRATCH_DEV 512m >/dev/null 2>&1 \
1879 || _notrun "mkfs.ext4 doesn't support $1 feature"
1880 _try_scratch_mount >/dev/null 2>&1 \
1881 || _notrun "Kernel doesn't support the ext4 feature(s): $1"
1885 # this test requires that external log/realtime devices are not in use
1887 _require_nonexternal()
1889 [ "$USE_EXTERNAL" = yes ] && \
1890 _notrun "External device testing in progress, skipped this test"
1893 # this test requires that the kernel supports asynchronous I/O
1896 $here/src/feature -A
1901 _notrun "kernel does not support asynchronous I/O"
1904 _fail "unexpected error testing for asynchronous I/O support"
1909 # this test requires that a (specified) aio-dio executable exists
1910 # and that the kernel supports asynchronous I/O.
1911 # $1 - command (optional)
1917 AIO_TEST=src/aio-dio-regress/aiodio_sparse2
1918 [ -x $AIO_TEST ] || _notrun "aio-dio utilities required"
1920 AIO_TEST=src/aio-dio-regress/$1
1921 [ -x $AIO_TEST ] || _notrun "$AIO_TEST not built"
1927 # this test requires that a test program exists under src/
1928 # $1 - command (require)
1930 _require_test_program()
1933 [ -x $prog ] || _notrun "$prog not built"
1936 # run an aio-dio program
1942 echo "usage: _run_aiodio command_name" 2>&1
1948 local testtemp=$TEST_DIR/aio-testfile
1950 $AIO_TEST $testtemp 2>&1
1957 # this test requires y2038 sysfs switch and filesystem
1958 # timestamp ranges support.
1961 local device=${1:-$TEST_DEV}
1962 local sysfsdir=/proc/sys/fs/fs-timestamp-check-on
1964 if [ ! -e $sysfsdir ]; then
1965 _notrun "no kernel support for y2038 sysfs switch"
1969 read tsmin tsmax <<<$(_filesystem_timestamp_range $device)
1970 if [ $tsmin -eq -1 -a $tsmax -eq -1 ]; then
1971 _notrun "filesystem $FSTYP timestamp bounds are unknown"
1975 _filesystem_timestamp_range()
1977 local device=${1:-$TEST_DEV}
1980 if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
1981 echo "-2147483648 15032385535"
1983 echo "-2147483648 2147483647"
1988 echo "-2147483648 2147483647"
1994 echo "-2147483648 2147483647"
2002 # indicate whether YP/NIS is active or not
2007 dn=$(domainname 2>/dev/null)
2008 local ypcat=$(type -P ypcat)
2009 test -n "${dn}" -a "${dn}" != "(none)" -a "${dn}" != "localdomain" -a -n "${ypcat}"
2013 # cat the password file
2017 [ $(_yp_active) -eq 0 ] && ypcat passwd
2021 # cat the group file
2025 [ $(_yp_active) -eq 0 ] && ypcat group
2029 # check for a user on the machine, fsgqa as default
2037 _cat_passwd | grep -q $qa_user
2038 [ "$?" == "0" ] || _notrun "$qa_user user not defined."
2039 echo /bin/true | su $qa_user
2040 [ "$?" == "0" ] || _notrun "$qa_user cannot execute commands."
2043 # check for a group on the machine, fsgqa as default
2051 _cat_group | grep -q $qa_group
2052 [ "$?" == "0" ] || _notrun "$qa_group group not defined."
2058 s,.*Permission\sdenied.*,Permission denied,;
2059 s,.*no\saccess\sto\stty.*,,;
2060 s,.*no\sjob\scontrol\sin\sthis\sshell.*,,;
2067 echo $1 | su -s /bin/bash $qa_user 2>&1 | _filter_user_do
2070 _require_xfs_io_command()
2074 echo "Usage: _require_xfs_io_command command [switch]" 1>&2
2080 local param_checked=0
2083 local testfile=$TEST_DIR/$$.xfs_io
2087 testio=`$XFS_IO_PROG -F -f -c "chproj 0" $testfile 2>&1`
2090 local testcopy=$TEST_DIR/$$.copy.xfs_io
2091 $XFS_IO_PROG -F -f -c "pwrite 0 4k" $testfile > /dev/null 2>&1
2092 testio=`$XFS_IO_PROG -F -f -c "copy_range $testfile" $testcopy 2>&1`
2093 rm -f $testcopy > /dev/null 2>&1
2096 testio=`$XFS_IO_PROG -F -f -c "falloc $param 0 1m" $testfile 2>&1`
2099 "fpunch" | "fcollapse" | "zero" | "fzero" | "finsert" | "funshare")
2100 local blocksize=$(_get_block_size $TEST_DIR)
2101 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 $((5 * $blocksize))" \
2102 -c "fsync" -c "$command $blocksize $((2 * $blocksize))" \
2106 # If 'ranged' is passed as argument then we check to see if fiemap supports
2107 # ranged query params
2108 if echo "$param" | grep -q "ranged"; then
2109 param=$(echo "$param" | sed "s/ranged//")
2110 $XFS_IO_PROG -c "help fiemap" | grep -q "\[offset \[len\]\]"
2111 [ $? -eq 0 ] || _notrun "xfs_io $command ranged support is missing"
2113 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
2114 -c "fiemap -v $param" $testfile 2>&1`
2118 local testlink=$TEST_DIR/$$.link.xfs_io
2119 testio=`$XFS_IO_PROG -F -f -c "flink $testlink" $testfile 2>&1`
2120 rm -f $testlink > /dev/null 2>&1
2123 # Check O_TMPFILE support in xfs_io, kernel and fs
2124 testio=`$XFS_IO_PROG -T -c quit $TEST_DIR 2>&1`
2125 echo $testio | egrep -q "invalid option|Is a directory" && \
2126 _notrun "xfs_io $command support is missing"
2127 echo $testio | grep -q "Operation not supported" && \
2128 _notrun "O_TMPFILE is not supported"
2131 testio=`$XFS_IO_PROG -f -c "fsmap" $testfile 2>&1`
2132 echo $testio | grep -q "Inappropriate ioctl" && \
2133 _notrun "xfs_io $command support is missing"
2136 testio=`$XFS_IO_PROG -c "label" $TEST_DIR 2>&1`
2139 # -c "open $f" is broken in xfs_io <= 4.8. Along with the fix,
2140 # a new -C flag was introduced to execute one shot commands.
2141 # Check for -C flag support as an indication for the bug fix.
2142 testio=`$XFS_IO_PROG -F -f -C "open $testfile" $testfile 2>&1`
2143 echo $testio | grep -q "invalid option" && \
2144 _notrun "xfs_io $command support is missing"
2147 # -N (RWF_NOWAIT) only works with direct vectored I/O writes
2148 local pwrite_opts=" "
2149 if [ "$param" == "-N" ]; then
2151 pwrite_opts+="-V 1 -b 4k"
2153 testio=`$XFS_IO_PROG -f $opts -c \
2154 "pwrite $pwrite_opts $param 0 4k" $testfile 2>&1`
2158 testio=`$XFS_IO_PROG -x -c "$command probe" $TEST_DIR 2>&1`
2159 echo $testio | grep -q "Inappropriate ioctl" && \
2160 _notrun "xfs_io $command support is missing"
2163 testio=`$XFS_IO_PROG -f -c "utimes" 0 0 0 0 $testfile 2>&1`
2167 testio=`$XFS_IO_PROG -c "syncfs" $testfile 2>&1`
2170 testio=`$XFS_IO_PROG -c "help $command" 2>&1`
2173 rm -f $testfile 2>&1 > /dev/null
2174 echo $testio | grep -q "not found" && \
2175 _notrun "xfs_io $command support is missing"
2176 echo $testio | grep -q "Operation not supported\|Inappropriate ioctl" && \
2177 _notrun "xfs_io $command failed (old kernel/wrong fs?)"
2178 echo $testio | grep -q "Invalid" && \
2179 _notrun "xfs_io $command failed (old kernel/wrong fs/bad args?)"
2180 echo $testio | grep -q "foreign file active" && \
2181 _notrun "xfs_io $command not supported on $FSTYP"
2182 echo $testio | grep -q "Function not implemented" && \
2183 _notrun "xfs_io $command support is missing (missing syscall?)"
2185 [ -n "$param" ] || return
2187 if [ $param_checked -eq 0 ]; then
2188 $XFS_IO_PROG -c "help $command" | grep -q "^ $param --" || \
2189 _notrun "xfs_io $command doesn't support $param"
2191 # xfs_io could result in "command %c not supported" if it was
2192 # built on kernels not supporting pwritev2() calls
2193 echo $testio | grep -q "\(invalid option\|not supported\)" && \
2194 _notrun "xfs_io $command doesn't support $param"
2198 # check that kernel and filesystem support direct I/O
2201 if [ $FSTYP = "ext4" ] ; then
2202 if echo "$MOUNT_OPTIONS" | grep -q "test_dummy_encryption"; then
2203 _notrun "ext4 encryption doesn't support O_DIRECT"
2204 elif echo "$MOUNT_OPTIONS" | grep -q "data=journal"; then
2205 _notrun "ext4 data journaling doesn't support O_DIRECT"
2208 local testfile=$TEST_DIR/$$.direct
2209 $XFS_IO_PROG -F -f -d -c "pwrite 0 20k" $testfile > /dev/null 2>&1
2210 if [ $? -ne 0 ]; then
2211 _notrun "O_DIRECT is not supported"
2213 rm -f $testfile 2>&1 > /dev/null
2216 _format_swapfile() {
2223 # Swap files must be nocow on Btrfs.
2224 $CHATTR_PROG +C "$fname" > /dev/null 2>&1
2225 _pwrite_byte 0x61 0 "$sz" "$fname" >> $seqres.full
2226 mkswap "$fname" >> $seqres.full
2229 # Check that the filesystem supports swapfiles
2230 _require_scratch_swapfile()
2234 _scratch_mkfs >/dev/null
2237 # Minimum size for mkswap is 10 pages
2238 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
2240 if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
2242 _notrun "swapfiles are not supported"
2245 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
2249 # Check that a fs has enough free space (in 1024b blocks)
2254 local blocks=$2 # in units of 1024
2255 local gb=$(( blocks / 1024 / 1024 ))
2257 local free_blocks=`df -kP $mnt | grep -v Filesystem | awk '{print $4}'`
2258 [ $free_blocks -lt $blocks ] && \
2259 _notrun "This test requires at least ${gb}GB free on $mnt to run"
2263 # Check if the filesystem supports sparse files.
2265 # Unfortunately there is no better way to do this than a manual black list.
2267 _require_sparse_files()
2271 _notrun "Sparse files not supported by this filesystem type: $FSTYP"
2280 #boot_params always present in debugfs
2281 [ -d "$DEBUGFS_MNT/boot_params" ] || _notrun "Debugfs not mounted"
2284 _require_fail_make_request()
2286 [ -f "$DEBUGFS_MNT/fail_make_request/probability" ] \
2287 || _notrun "$DEBUGFS_MNT/fail_make_request \
2288 not found. Seems that CONFIG_FAIL_MAKE_REQUEST kernel config option not enabled"
2291 # Disable extent zeroing for ext4 on the given device
2292 _ext4_disable_extent_zeroout()
2294 local dev=${1:-$TEST_DEV}
2295 local sdev=`_short_dev $dev`
2297 [ -f /sys/fs/ext4/$sdev/extent_max_zeroout_kb ] && \
2298 echo 0 >/sys/fs/ext4/$sdev/extent_max_zeroout_kb
2301 # Check if the file system supports seek_data/hole
2302 _require_seek_data_hole()
2304 local dev=${1:-$TEST_DEV}
2305 local testfile=$TEST_DIR/$$.seek
2306 local testseek=`$here/src/seek_sanity_test -t $testfile 2>&1`
2308 rm -f $testfile &>/dev/null
2309 echo $testseek | grep -q "Kernel does not support" && \
2310 _notrun "File system does not support llseek(2) SEEK_DATA/HOLE"
2311 # Disable extent zeroing for ext4 as that change where holes are
2313 if [ "$FSTYP" = "ext4" ]; then
2314 _ext4_disable_extent_zeroout $dev
2320 _require_test_program "runas"
2325 "$here/src/runas" "$@"
2328 _require_richacl_prog()
2330 _require_command "$GETRICHACL_PROG" getrichacl
2331 _require_command "$SETRICHACL_PROG" setrichacl
2334 _require_scratch_richacl_xfs()
2336 _scratch_mkfs_xfs_supported -m richacl=1 >/dev/null 2>&1 \
2337 || _notrun "mkfs.xfs doesn't have richacl feature"
2338 _scratch_mkfs_xfs -m richacl=1 >/dev/null 2>&1
2339 _try_scratch_mount >/dev/null 2>&1 \
2340 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2344 _require_scratch_richacl_ext4()
2346 _scratch_mkfs -O richacl >/dev/null 2>&1 \
2347 || _notrun "can't mkfs $FSTYP with option -O richacl"
2348 _try_scratch_mount >/dev/null 2>&1 \
2349 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2353 _require_scratch_richacl_support()
2356 $GETFATTR_PROG -n system.richacl >/dev/null 2>&1 \
2357 || _notrun "this test requires richacl support on \$SCRATCH_DEV"
2361 _require_scratch_richacl()
2364 xfs) _require_scratch_richacl_xfs
2366 ext4) _require_scratch_richacl_ext4
2369 _require_scratch_richacl_support
2371 *) _notrun "this test requires richacl support on \$SCRATCH_DEV"
2376 _scratch_mkfs_richacl()
2379 xfs) _scratch_mkfs_xfs -m richacl=1
2381 ext4) _scratch_mkfs -O richacl
2389 # check if the given device is mounted, if so, return mount point
2393 local fstype=${2:-$FSTYP}
2395 if [ $# -lt 1 ]; then
2396 echo "Usage: _is_dev_mounted <device> [fstype]" 1>&2
2400 findmnt -rncv -S $dev -t $fstype -o TARGET | head -1
2403 # check if the given dir is a mount point, if so, return mount point
2404 _is_dir_mountpoint()
2407 local fstype=${2:-$FSTYP}
2409 if [ $# -lt 1 ]; then
2410 echo "Uasge: _is_dir_mountpoint <dir> [fstype]" 1>&2
2414 findmnt -rncv -t $fstype -o TARGET $dir | head -1
2417 # remount a FS to a new mode (ro or rw)
2423 echo "Usage: _remount device ro/rw" 1>&2
2429 if ! mount -o remount,$mode $device
2431 echo "_remount: failed to remount filesystem on $device as $mode"
2436 # Run the appropriate repair/check on a filesystem
2438 # if the filesystem is mounted, it's either remounted ro before being
2439 # checked or it's unmounted and then remounted
2442 # If set, we remount ro instead of unmounting for fsck
2445 _umount_or_remount_ro()
2449 echo "Usage: _umount_or_remount_ro <device>" 1>&2
2454 local mountpoint=`_is_dev_mounted $device`
2456 if [ $USE_REMOUNT -eq 0 ]; then
2457 $UMOUNT_PROG $device
2464 _mount_or_remount_rw()
2466 if [ $# -ne 3 ]; then
2467 echo "Usage: _mount_or_remount_rw <opts> <dev> <mnt>" 1>&2
2474 if [ $USE_REMOUNT -eq 0 ]; then
2475 if [ "$FSTYP" != "overlay" ]; then
2476 _mount -t $FSTYP $mount_opts $device $mountpoint
2478 _overlay_mount $device $mountpoint
2480 if [ $? -ne 0 ]; then
2481 _dump_err "!!! failed to remount $device on $mountpoint"
2491 # Check a generic filesystem in no-op mode; this assumes that the
2492 # underlying fsck program accepts "-n" for a no-op (check-only) run,
2493 # and that it will still return an errno for corruption in this mode.
2495 # Filesystems which don't support this will need to define their
2496 # own check routine.
2498 _check_generic_filesystem()
2502 # If type is set, we're mounted
2503 local type=`_fs_type $device`
2506 if [ "$type" = "$FSTYP" ]
2509 local mountpoint=`_umount_or_remount_ro $device`
2512 fsck -t $FSTYP $FSCK_OPTIONS $device >$tmp.fsck 2>&1
2515 _log_err "_check_generic_filesystem: filesystem on $device is inconsistent"
2516 echo "*** fsck.$FSTYP output ***" >>$seqres.full
2517 cat $tmp.fsck >>$seqres.full
2518 echo "*** end fsck.$FSTYP output" >>$seqres.full
2526 echo "*** mount output ***" >>$seqres.full
2527 _mount >>$seqres.full
2528 echo "*** end mount output" >>$seqres.full
2529 elif [ "$type" = "$FSTYP" ]
2532 _mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
2536 if [ $ok -eq 0 ]; then
2538 if [ "$iam" != "check" ]; then
2547 # Filter the knowen errors the UDF Verifier reports.
2548 _udf_test_known_error_filter()
2550 egrep -v "PVD 60 Error: Interchange Level: 1, Maximum Interchange Level: 0|FSD 28 Error: Interchange Level: 1, Maximum Interchange Level: 1,|PVD 72 Warning: Volume Set Identifier: \"\*IRIX UDF\",|Warning: [0-9]+ unused blocks NOT marked as unallocated."
2554 _check_udf_filesystem()
2556 [ "$DISABLE_UDF_TEST" == "1" ] && return
2558 if [ $# -ne 1 -a $# -ne 2 ]
2560 echo "Usage: _check_udf_filesystem device [last_block]" 1>&2
2564 if [ ! -x $here/src/udf_test ]
2566 echo "udf_test not installed, please download and build the Philips"
2567 echo "UDF Verification Software from http://www.extra.research.philips.com/udf/."
2568 echo "Then copy the udf_test binary to $here/src/."
2569 echo "If you do not wish to run udf_test then set environment variable DISABLE_UDF_TEST"
2576 if [ $# -eq 2 ]; then
2577 opt_arg="-lastvalidblock $(( $2 - 1 ))"
2580 rm -f $seqres.checkfs
2581 sleep 1 # Due to a problem with time stamps in udf_test
2582 $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | egrep "Error|Warning" | \
2583 _udf_test_known_error_filter | \
2584 egrep -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
2585 echo "Warning UDF Verifier reported errors see $seqres.checkfs." && return 1
2596 # no way to check consistency for nfs
2599 # no way to check consistency for cifs
2602 # no way to check consistency for 9p
2605 # no way to check consistency for CephFS
2608 # no way to check consistency for GlusterFS
2611 _check_overlay_test_fs
2616 # do nothing for now
2619 _check_btrfs_filesystem $TEST_DEV
2622 # no way to check consistency for tmpfs
2625 # there is no fsck program for ubifs yet
2628 _check_generic_filesystem $TEST_DEV
2635 local device=$SCRATCH_DEV
2636 [ $# -eq 1 ] && device=$1
2640 local scratch_log="none"
2641 local scratch_rt="none"
2642 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
2643 scratch_log="$SCRATCH_LOGDEV"
2645 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
2646 scratch_rt="$SCRATCH_RTDEV"
2648 _check_xfs_filesystem $device $scratch_log $scratch_rt
2651 _check_udf_filesystem $device $udf_fsize
2654 # Don't know how to check an NFS filesystem, yet.
2657 # Don't know how to check a CIFS filesystem, yet.
2660 # no way to check consistency for 9p
2663 # no way to check consistency for CephFS
2666 # no way to check consistency for GlusterFS
2669 _check_overlay_scratch_fs
2674 _check_btrfs_filesystem $device
2677 # no way to check consistency for tmpfs
2680 # there is no fsck program for ubifs yet
2683 _check_generic_filesystem $device
2688 _full_fstyp_details()
2690 [ -z "$FSTYP" ] && FSTYP=xfs
2691 if [ $FSTYP = xfs ]; then
2692 if [ -d /proc/fs/xfs ]; then
2693 if grep -q 'debug 0' /proc/fs/xfs/stat; then
2694 FSTYP="$FSTYP (non-debug)"
2695 elif grep -q 'debug 1' /proc/fs/xfs/stat; then
2696 FSTYP="$FSTYP (debug)"
2699 if uname -a | grep -qi 'debug'; then
2700 FSTYP="$FSTYP (debug)"
2702 FSTYP="$FSTYP (non-debug)"
2709 _full_platform_details()
2712 local host=`hostname -s`
2713 local kernel=`uname -r`
2714 local platform=`uname -m`
2715 echo "$os/$platform $host $kernel"
2720 if [ "`uname`" == "Linux" ]; then
2723 echo Unknown operating system: `uname`
2728 _link_out_file_named()
2731 local suffix=$(FEATURES="$features" perl -e '
2733 my $feature, $result, $suffix, $opts;
2735 foreach $feature (split(/,/, $ENV{"FEATURES"})) {
2736 $feathash{$feature} = 1;
2738 $result = "default";
2743 ($opts, $suffix) = split(/ *: */);
2744 foreach my $opt (split(/,/, $opts)) {
2745 if (!exists($feathash{$opt})) {
2758 ln -fs $(basename $1).$suffix $1
2765 if [ $# -eq 0 ]; then
2766 features="$(_get_os_name)"
2767 if [ -n "$MOUNT_OPTIONS" ]; then
2768 features=$features,${MOUNT_OPTIONS##"-o "}
2774 _link_out_file_named $seqfull.out "$features"
2783 # convert urandom incompressible data to compressible text data
2786 od /dev/urandom | dd iflag=fullblock ${*}
2789 #takes files, randomdata
2797 if [ $size -gt 0 ]; then
2798 if [ "$2" == "false" ]; then
2799 dd if=/dev/zero of=$file bs=1024 count=$size 2>&1 | _filter_dd
2800 elif [ "$2" == "comp" ]; then
2801 _ddt of=$file bs=1024 count=$size 2>&1 | _filter_dd
2803 dd if=/dev/urandom of=$file bs=1024 count=$size 2>&1 | _filter_dd
2810 # takes dirname, depth, randomdata
2813 local dirname=$1 depth=$2 randomdata=$3
2814 mkdir $dirname || die "mkdir $dirname failed"
2817 _nfiles $files $randomdata # files for this dir and data type
2819 [ $depth -eq 0 ] && return
2820 local deep=$(( depth - 1 )) # go 1 down
2822 [ $verbose = true ] && echo "descending, depth from leaves = $deep"
2825 while [ $d -lt $dirs ]
2827 _descend d$d $deep &
2833 # Populate a filesystem with inodes for performance experiments
2835 # usage: populate [-v] [-n ndirs] [-f nfiles] [-d depth] [-r root] [-s size] [-x]
2840 local dirs=5 # ndirs in each subdir till leaves
2841 local size=0 # sizeof files in K
2842 local files=100 # num files in _each_ subdir
2843 local depth=2 # depth of tree from root to leaves
2845 local root=root # path of initial root of directory tree
2846 local randomdata=false # -x data type urandom, zero or compressible
2850 while getopts "d:f:n:r:s:v:x:c" c
2859 x) randomdata=true;;
2860 c) randomdata=comp;;
2864 _descend $root $depth $randomdata
2869 [ $verbose = true ] && echo done
2872 # query whether the given file has the given inode flag set
2879 if $XFS_IO_PROG -r -c 'lsattr -v' "$file" | grep -q "$flag" ; then
2885 # query the given files extsize allocator hint in bytes (if any)
2892 blocks=`$XFS_IO_PROG -r -c 'stat' "$file" | \
2893 awk '/^xattr.extsize =/ { print $3 }'`
2894 [ -z "$blocks" ] && blocks="0"
2898 # scratch_dev_pool should contain the disks pool for the btrfs raid
2899 _require_scratch_dev_pool()
2904 if [ -z "$SCRATCH_DEV_POOL" ]; then
2905 _notrun "this test requires a valid \$SCRATCH_DEV_POOL"
2908 if [ -z "$1" ]; then
2914 # btrfs test case needs ndevs or more scratch_dev_pool; other FS not sure
2918 if [ "`echo $SCRATCH_DEV_POOL|wc -w`" -lt $ndevs ]; then
2919 _notrun "btrfs and this test needs $ndevs or more disks in SCRATCH_DEV_POOL"
2923 _notrun "dev_pool is not supported by fstype \"$FSTYP\""
2927 for i in $SCRATCH_DEV_POOL; do
2928 if [ "`_is_block_dev "$i"`" = "" ]; then
2929 _notrun "this test requires valid block disk $i"
2931 if [ "`_is_block_dev "$i"`" = "`_is_block_dev "$TEST_DEV"`" ]; then
2932 _notrun "$i is part of TEST_DEV, this test requires unique disks"
2934 if _mount | grep -q $i; then
2935 if ! $UMOUNT_PROG $i; then
2936 echo "failed to unmount $i - aborting"
2940 # to help better debug when something fails, we remove
2941 # traces of previous btrfs FS on the dev.
2942 dd if=/dev/zero of=$i bs=4096 count=100 > /dev/null 2>&1
2946 # ensure devices in SCRATCH_DEV_POOL are of the same size
2947 # must be called after _require_scratch_dev_pool
2948 _require_scratch_dev_pool_equal_size()
2954 # SCRATCH_DEV has been set to the first device in SCRATCH_DEV_POOL
2955 size=`_get_device_size $SCRATCH_DEV`
2956 for dev in $SCRATCH_DEV_POOL; do
2957 newsize=`_get_device_size $dev`
2958 if [ $size -ne $newsize ]; then
2959 _notrun "This test requires devices in SCRATCH_DEV_POOL have the same size"
2964 # We will check if the device is deletable
2965 _require_deletable_scratch_dev_pool()
2969 for i in $SCRATCH_DEV_POOL; do
2970 x=`echo $i | cut -d"/" -f 3`
2971 if [ ! -f /sys/class/block/${x}/device/delete ]; then
2972 _notrun "$i is a device which is not deletable"
2977 # Check that fio is present, and it is able to execute given jobfile
2982 _require_command "$FIO_PROG" fio
2983 if [ -z "$1" ]; then
2987 $FIO_PROG --warnings-fatal --showcmd $job >> $seqres.full 2>&1
2988 [ $? -eq 0 ] || _notrun "$FIO_PROG too old, see $seqres.full"
2991 # Does freeze work on this fs?
2994 xfs_freeze -f "$TEST_DIR" >/dev/null 2>&1
2996 xfs_freeze -u "$TEST_DIR" >/dev/null 2>&1
2997 [ $result -eq 0 ] || _notrun "$FSTYP does not support freezing"
3000 # Does NFS export work on this fs?
3003 _require_test_program "open_by_handle"
3004 mkdir -p "$TEST_DIR"/exportfs_test
3005 $here/src/open_by_handle -c "$TEST_DIR"/exportfs_test 2>&1 \
3006 || _notrun "$FSTYP does not support NFS export"
3010 # Does shutdown work on this fs?
3011 _require_scratch_shutdown()
3013 [ -x src/godown ] || _notrun "src/godown executable not found"
3015 _scratch_mkfs > /dev/null 2>&1 || _notrun "_scratch_mkfs failed on $SCRATCH_DEV"
3018 if [ $FSTYP = "overlay" ]; then
3019 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
3020 # In lagacy overlay usage, it may specify directory as
3021 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
3022 # will be null, so check OVL_BASE_SCRATCH_DEV before
3023 # running shutdown to avoid shutting down base fs accidently.
3024 _notrun "$SCRATCH_DEV is not a block device"
3026 src/godown -f $OVL_BASE_SCRATCH_MNT 2>&1 \
3027 || _notrun "Underlying filesystem does not support shutdown"
3030 src/godown -f $SCRATCH_MNT 2>&1 \
3031 || _notrun "$FSTYP does not support shutdown"
3037 # Does dax mount option work on this dev/fs?
3038 _require_scratch_dax()
3041 _scratch_mkfs > /dev/null 2>&1
3042 _try_scratch_mount -o dax || \
3043 _notrun "mount $SCRATCH_DEV with dax failed"
3044 # Check options to be sure. XFS ignores dax option
3045 # and goes on if dev underneath does not support dax.
3046 _fs_options $SCRATCH_DEV | grep -qw "dax" || \
3047 _notrun "$SCRATCH_DEV $FSTYP does not support -o dax"
3051 # Does norecovery support by this fs?
3052 _require_norecovery()
3054 _try_scratch_mount -o ro,norecovery || \
3055 _notrun "$FSTYP does not support norecovery"
3059 # Does this filesystem support metadata journaling?
3060 # We exclude ones here that don't; otherwise we assume that it does, so the
3061 # test will run, fail, and motivate someone to update this test for a new
3064 # It's possible that TEST_DEV and SCRATCH_DEV have different features (it'd be
3065 # odd, but possible) so check $TEST_DEV by default, but we can optionall pass
3067 _require_metadata_journaling()
3076 ext2|vfat|msdos|udf)
3077 _notrun "$FSTYP does not support metadata journaling"
3080 # ext4 could be mkfs'd without a journal...
3082 $DUMPE2FS_PROG -h $dev 2>&1 | grep -q has_journal || \
3083 _notrun "$FSTYP on $dev not configured with metadata journaling"
3084 # ext4 might not load a journal
3085 _exclude_scratch_mount_option "noload"
3088 # metadata journaling check is based on base filesystem configurations
3089 # and because -overlay option saves those configurations to OVL_BASE_*,
3090 # adding restore/override the configurations before/after the check.
3091 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
3092 _overlay_config_restore
3093 _require_metadata_journaling
3094 _overlay_config_override
3096 _notrun "No metadata journaling support for legacy overlay setup"
3100 # by default we pass; if you need to, add your fs above!
3107 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep -v hole | wc -l
3112 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep hole | wc -l
3115 _count_attr_extents()
3117 $XFS_IO_PROG -c "fiemap -a" $1 | tail -n +2 | grep -v hole | wc -l
3120 # arg 1 is dev to remove and is output of the below eg.
3121 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3127 echo 1 > /sys/class/scsi_device/${lun}/device/delete || _fail "Remove disk failed"
3129 stat $disk > /dev/null 2>&1
3130 while [ $? -eq 0 ]; do
3132 stat $disk > /dev/null 2>&1
3136 # arg 1 is dev to add and is output of the below eg.
3137 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3142 # arg 1 will be in h:t:d:l format now in the h and "t d l" format
3143 h=`echo ${1} | cut -d":" -f 1`
3144 tdl=`echo ${1} | cut -d":" -f 2-|sed 's/:/ /g'`
3146 echo ${tdl} > /sys/class/scsi_host/host${h}/scan || _fail "Add disk failed"
3148 # ensure the device comes online
3149 local dev_back_oneline=0
3151 for i in `seq 1 10`; do
3152 if [ -d /sys/class/scsi_device/${1}/device/block ]; then
3153 local dev=`ls /sys/class/scsi_device/${1}/device/block`
3155 for j in `seq 1 10`;
3157 stat /dev/$dev > /dev/null 2>&1
3158 if [ $? -eq 0 ]; then
3169 if [ $dev_back_oneline -eq 0 ]; then
3170 echo "/dev/$dev online failed" >> $seqres.full
3172 echo "/dev/$dev is back online" >> $seqres.full
3178 if [ -z "$FSTRIM_PROG" ]; then
3179 _notrun "This test requires fstrim utility."
3183 _require_batched_discard()
3185 if [ $# -ne 1 ]; then
3186 echo "Usage: _require_batched_discard mnt_point" 1>&2
3190 $FSTRIM_PROG $1 > /dev/null 2>&1 || _notrun "FITRIM not supported on $1"
3195 if [ -z "$DUMPE2FS_PROG" ]; then
3196 _notrun "This test requires dumpe2fs utility."
3202 if [ ! -e /proc/self/uid_map ]; then
3203 _notrun "This test requires procfs uid_map support."
3205 if [ ! -e /proc/self/gid_map ]; then
3206 _notrun "This test requires procfs gid_map support."
3212 FSSUM_PROG=$here/src/fssum
3213 [ -x $FSSUM_PROG ] || _notrun "fssum not built"
3218 CLONER_PROG=$here/src/cloner
3219 [ -x $CLONER_PROG ] || \
3220 _notrun "cloner binary not present at $CLONER_PROG"
3223 # Normalize mount options from global $MOUNT_OPTIONS
3224 # Convert options like "-o opt1,opt2 -oopt3" to
3226 _normalize_mount_options()
3228 echo $MOUNT_OPTIONS | sed -n 's/-o\s*\(\S*\)/\1/gp'| sed 's/,/ /g'
3231 # skip test if MOUNT_OPTIONS contains the given strings
3232 _exclude_scratch_mount_option()
3234 local mnt_opts=$(_normalize_mount_options)
3236 while [ $# -gt 0 ]; do
3237 if echo $mnt_opts | grep -qw "$1"; then
3238 _notrun "mount option \"$1\" not allowed in this test"
3246 _exclude_scratch_mount_option "noatime"
3249 _notrun "atime related mount options have no effect on $FSTYP"
3257 _scratch_mkfs > /dev/null 2>&1
3258 _try_scratch_mount -o relatime || \
3259 _notrun "relatime not supported by the current kernel"
3265 [ -x src/nsexec ] || _notrun "src/nsexec executable not found"
3266 src/nsexec -U true 2>/dev/null || _notrun "userns not supported by this kernel"
3269 _create_loop_device()
3272 dev=`losetup -f --show $file` || _fail "Cannot assign $file to a loop device"
3276 _destroy_loop_device()
3279 losetup -d $dev || _fail "Cannot destroy loop device $dev"
3282 _scale_fsstress_args()
3285 while [ $# -gt 0 ]; do
3287 -n) args="$args $1 $(($2 * $TIME_FACTOR))"; shift ;;
3288 -p) args="$args $1 $(($2 * $LOAD_FACTOR))"; shift ;;
3289 *) args="$args $1" ;;
3297 # Return the logical block size if running on a block device,
3298 # else substitute the page size.
3300 _min_dio_alignment()
3304 if [ -b "$dev" ]; then
3305 blockdev --getss $dev
3307 $here/src/feature -s
3313 echo "# $@" >> $seqres.full 2>&1
3314 "$@" >> $seqres.full 2>&1 || _fail "failed: '$@'"
3317 _require_test_symlinks()
3319 local target=`mktemp -p $TEST_DIR`
3320 local link=`mktemp -p $TEST_DIR -u`
3321 ln -s `basename $target` $link
3322 if [ "$?" -ne 0 ]; then
3324 _notrun "Require symlinks support"
3329 _require_test_fcntl_advisory_locks()
3331 [ "$FSTYP" != "cifs" ] && return 0
3332 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -q "nobrl" && return 0
3333 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -qE "nounix|forcemand" && \
3334 _notrun "Require fcntl advisory locks support"
3337 _require_ofd_locks()
3339 # Give a test run by getlk wrlck on testfile.
3340 # If the running kernel does not support OFD locks,
3341 # EINVAL will be returned.
3342 _require_test_program "t_ofd_locks"
3343 touch $TEST_DIR/ofd_testfile
3344 src/t_ofd_locks -t $TEST_DIR/ofd_testfile > /dev/null 2>&1
3345 [ $? -eq 22 ] && _notrun "Require OFD locks support"
3348 _require_test_lsattr()
3350 local testio=$(lsattr -d $TEST_DIR 2>&1)
3351 echo $testio | grep -q "Operation not supported" && \
3352 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3353 echo $testio | grep -q "Inappropriate ioctl for device" && \
3354 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3359 if [ -z "$1" ]; then
3360 echo "Usage: _require_chattr <attr>"
3365 touch $TEST_DIR/syscalltest
3366 chattr "+$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3368 chattr "-$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3369 if [ "$ret" -ne 0 ]; then
3370 _notrun "file system doesn't support chattr +$attribute"
3372 cat $TEST_DIR/syscalltest.out >> $seqres.full
3373 rm -f $TEST_DIR/syscalltest.out
3378 if [ -z "$1" ]; then
3379 echo "Usage: _get_total_inode <mnt>"
3383 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $3}'`
3389 if [ -z "$1" ]; then
3390 echo "Usage: _get_used_inode <mnt>"
3394 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $4}'`
3398 _get_used_inode_percent()
3400 if [ -z "$1" ]; then
3401 echo "Usage: _get_used_inode_percent <mnt>"
3405 pct_inode=`$DF_PROG -i $1 | tail -1 | awk '{ print $6 }' | \
3412 if [ -z "$1" ]; then
3413 echo "Usage: _get_free_inode <mnt>"
3417 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $5}'`
3421 # get the available space in bytes
3423 _get_available_space()
3425 if [ -z "$1" ]; then
3426 echo "Usage: _get_available_space <mnt>"
3430 avail_kb=`$DF_PROG $1 | tail -n1 | awk '{ print $5 }'`
3431 echo $((avail_kb * 1024))
3434 # return device size in kb
3437 grep `_short_dev $1` /proc/partitions | awk '{print $3}'
3440 # Make sure we actually have dmesg checking set up.
3441 _require_check_dmesg()
3443 test -w /dev/kmsg || \
3444 _notrun "Test requires writable /dev/kmsg."
3447 # Return the dmesg log since the start of this test. Caller must ensure that
3448 # /dev/kmsg was writable when the test was started so that we can find the
3449 # beginning of this test's log messages; _require_check_dmesg does this.
3450 _dmesg_since_test_start()
3452 # search the dmesg log of last run of $seqnum for possible failures
3453 # use sed \cregexpc address type, since $seqnum contains "/"
3454 dmesg | tac | sed -ne "0,\#run fstests $seqnum at $date_time#p" | \
3458 # check dmesg log for a specific string, subject to the same requirements as
3459 # _dmesg_since_test_start.
3462 _dmesg_since_test_start | egrep -q "$1"
3465 # check dmesg log for WARNING/Oops/etc.
3468 if [ ! -f ${RESULT_DIR}/check_dmesg ]; then
3471 rm -f ${RESULT_DIR}/check_dmesg
3473 # default filter is a simple cat command, caller could provide a
3474 # customized filter and pass the name through the first argument, to
3475 # filter out intentional WARNINGs or Oopses
3476 local filter=${1:-cat}
3478 _dmesg_since_test_start | $filter >$seqres.dmesg
3479 egrep -q -e "kernel BUG at" \
3483 -e "possible recursive locking detected" \
3484 -e "Internal error" \
3485 -e "(INFO|ERR): suspicious RCU usage" \
3486 -e "INFO: possible circular locking dependency detected" \
3487 -e "general protection fault:" \
3488 -e "BUG .* remaining" \
3491 if [ $? -eq 0 ]; then
3492 _dump_err "_check_dmesg: something found in dmesg (see $seqres.dmesg)"
3500 # capture the kmemleak report
3503 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3504 local leak_file="$1"
3506 # Tell the kernel to scan for memory leaks. Apparently the write
3507 # returns before the scan is complete, so do it twice in the hopes
3508 # that twice is enough to capture all the leaks.
3509 echo "scan" > "$kern_knob"
3510 cat "$kern_knob" > /dev/null
3511 echo "scan" > "$kern_knob"
3512 cat "$kern_knob" > "$leak_file.tmp"
3513 if [ -s "$leak_file.tmp" ]; then
3514 cat > "$leak_file" << ENDL
3515 EXPERIMENTAL kmemleak reported some memory leaks! Due to the way kmemleak
3516 works, the leak might be from an earlier test, or something totally unrelated.
3518 cat "$leak_file.tmp" >> "$leak_file"
3520 rm -rf "$leak_file.tmp"
3521 echo "clear" > "$kern_knob"
3527 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3529 if [ ! -w "$kern_knob" ]; then
3533 # Disable the automatic scan so that we can control it completely,
3534 # then dump all the leaks recorded so far.
3535 echo "scan=off" > "$kern_knob"
3536 _capture_kmemleak /dev/null
3539 # check kmemleak log
3542 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3543 local leak_file="${seqres}.kmemleak"
3545 if [ ! -w "$kern_knob" ]; then
3549 # Capture and report any leaks
3550 _capture_kmemleak "$leak_file"
3551 if [ -s "$leak_file" ]; then
3552 _dump_err "_check_kmemleak: something found in kmemleak (see $leak_file)"
3560 # don't check dmesg log after test
3561 _disable_dmesg_check()
3563 rm -f ${RESULT_DIR}/check_dmesg
3568 # make some further configuration checks here
3569 if [ "$TEST_DEV" = "" ]
3571 echo "common/rc: Error: \$TEST_DEV is not set"
3575 # if $TEST_DEV is not mounted, mount it now as XFS
3576 if [ -z "`_fs_type $TEST_DEV`" ]
3578 # $TEST_DEV is not mounted
3581 echo "common/rc: retrying test device mount with external set"
3582 [ "$USE_EXTERNAL" != "yes" ] && export USE_EXTERNAL=yes
3585 echo "common/rc: could not mount $TEST_DEV on $TEST_DIR"
3591 # Sanity check that TEST partition is not mounted at another mount point
3592 # or as another fs type
3593 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR $FSTYP || exit 1
3594 if [ -n "$SCRATCH_DEV" ]; then
3595 # Sanity check that SCRATCH partition is not mounted at another
3596 # mount point, because it is about to be unmounted and formatted.
3597 # Another fs type for scratch is fine (bye bye old fs type).
3598 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
3599 [ $? -le 1 ] || exit 1
3602 # Figure out if we need to add -F ("foreign", deprecated) option to xfs_io
3603 $XFS_IO_PROG -c stat $TEST_DIR 2>&1 | grep -q "is not on an XFS filesystem" && \
3604 export XFS_IO_PROG="$XFS_IO_PROG -F"
3606 # xfs_io -i option starts an idle thread for xfs_io.
3607 # With single threaded process, the file table is not shared
3608 # and file structs are not reference counted.
3609 # Spawning an idle thread can help detecting file struct
3610 # reference leaks, so we want to enable the option whenever
3612 $XFS_IO_PROG -i -c quit 2>/dev/null && \
3613 export XFS_IO_PROG="$XFS_IO_PROG -i"
3615 # xfs_copy on v5 filesystems do not require the "-d" option if xfs_db
3616 # can change the UUID on v5 filesystems
3617 if [ "$FSTYP" == "xfs" ]; then
3619 $MKFS_XFS_PROG -d file,name=/tmp/$$.img,size=512m >/dev/null 2>&1
3620 # xfs_db will return 0 even if it can't generate a new uuid, so
3621 # check the output to make sure if it can change UUID of V5 xfs
3622 $XFS_DB_PROG -x -c "uuid generate" /tmp/$$.img \
3623 | grep -q "invalid UUID\|supported on V5 fs" \
3624 && export XFS_COPY_PROG="$XFS_COPY_PROG -d"
3629 # get real device path name by following link
3633 if [ -b "$dev" ] && [ -L "$dev" ]; then
3634 dev=`readlink -f "$dev"`
3639 # basename of a device
3642 echo `basename $(_real_dev $1)`
3647 local dev=`_real_dev $1`
3648 local maj=$(stat -c%t $dev | tr [:lower:] [:upper:])
3649 local min=$(stat -c%T $dev | tr [:lower:] [:upper:])
3650 maj=$(echo "ibase=16; $maj" | bc)
3651 min=$(echo "ibase=16; $min" | bc)
3652 echo /sys/dev/block/$maj:$min
3655 # Get the minimum block size of a file. Usually this is the
3656 # minimum fs block size, but some filesystems (ocfs2) do block
3657 # mappings in larger units.
3658 _get_file_block_size()
3660 if [ -z $1 ] || [ ! -d $1 ]; then
3661 echo "Missing mount point argument for _get_file_block_size"
3664 if [ "$FSTYP" = "ocfs2" ]; then
3671 # Get the minimum block size of an fs.
3674 if [ -z $1 ] || [ ! -d $1 ]; then
3675 echo "Missing mount point argument for _get_block_size"
3683 echo $(getconf PAGE_SIZE)
3690 local args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"`
3691 set -- $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk
3692 echo "$@" >>$seqres.full
3693 rm -f $TEST_DIR/junk
3694 "$@" 2>&1 | tee -a $seqres.full >$tmp.fsx
3695 if [ ${PIPESTATUS[0]} -ne 0 ]; then
3703 # Test for the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
3705 # Only one argument is needed:
3706 # - attr: path name under /sys/fs/$FSTYP/DEV
3709 # _require_fs_sysfs error/fail_at_unmount
3713 local dname=$(_short_dev $TEST_DEV)
3715 if [ -z "$attr" -o -z "$dname" ];then
3716 _fail "Usage: _require_fs_sysfs <sysfs_attr_path>"
3719 if [ ! -e /sys/fs/${FSTYP}/${dname}/${attr} ];then
3720 _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
3726 $here/src/stat_test --check-statx ||
3727 _notrun "This test requires the statx system call"
3730 # Write "content" into /sys/fs/$FSTYP/$DEV/$ATTR
3732 # All arguments are necessary, and in this order:
3733 # - dev: device name, e.g. $SCRATCH_DEV
3734 # - attr: path name under /sys/fs/$FSTYP/$dev
3735 # - content: the content of $attr
3738 # _set_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount 0
3739 _set_fs_sysfs_attr()
3747 if [ ! -b "$dev" -o -z "$attr" -o -z "$content" ];then
3748 _fail "Usage: _set_fs_sysfs_attr <mounted_device> <attr> <content>"
3751 local dname=$(_short_dev $dev)
3752 echo "$content" > /sys/fs/${FSTYP}/${dname}/${attr}
3755 # Print the content of /sys/fs/$FSTYP/$DEV/$ATTR
3757 # All arguments are necessary, and in this order:
3758 # - dev: device name, e.g. $SCRATCH_DEV
3759 # - attr: path name under /sys/fs/$FSTYP/$dev
3762 # _get_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
3763 _get_fs_sysfs_attr()
3768 if [ ! -b "$dev" -o -z "$attr" ];then
3769 _fail "Usage: _get_fs_sysfs_attr <mounted_device> <attr>"
3772 local dname=$(_short_dev $dev)
3773 cat /sys/fs/${FSTYP}/${dname}/${attr}
3776 # Generic test for specific filesystem feature.
3777 # Currently only implemented to test overlayfs features.
3778 _require_scratch_feature()
3784 _require_scratch_overlay_features ${feature}
3787 _fail "Test for feature '${feature}' of ${FSTYP} is not implemented"
3792 # The maximum filesystem label length, /not/ including terminating NULL
3803 _notrun "$FSTYP does not define maximum label length"
3808 # Helper to check above early in a script
3809 _require_label_get_max()
3811 # Just call _label_get_max which will notrun if appropriate
3812 dummy=$(_label_get_max)
3817 ################################################################################
3818 # make sure this script returns success