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 [ "$MKFS_XFS_PROG" = "" ] && _fatal "mkfs_xfs not found"
143 [ "$MKFS_UDF_PROG" = "" ] && _fatal "mkfs_udf/mkudffs not found"
146 [ "$MKFS_BTRFS_PROG" = "" ] && _fatal "mkfs.btrfs not found"
151 [ "$MKFS_EXT4_PROG" = "" ] && _fatal "mkfs.ext4 not found"
154 [ "$MKFS_F2FS_PROG" = "" ] && _fatal "mkfs.f2fs not found"
171 [ "$MKFS_REISER4_PROG" = "" ] && _fatal "mkfs.reiser4 not found"
176 [ "$UBIUPDATEVOL_PROG" = "" ] && _fatal "ubiupdatevol not found"
180 if [ ! -z "$REPORT_LIST" ]; then
187 $MOUNT_PROG `_mount_ops_filter $*`
190 # Call _mount to do mount operation but also save mountpoint to
191 # MOUNTED_POINT_STACK. Note that the mount point must be the last parameter
194 local mnt_point=${!#}
195 local mnt_dev=${@:(-2):1}
196 local scratch_opts=""
197 if [ "$mnt_dev" = "$SCRATCH_DEV" ]; then
198 _scratch_options mount
199 scratch_opts="$SCRATCH_OPTIONS"
202 _mount $scratch_opts $*
203 if [ $? -eq 0 ]; then
204 MOUNTED_POINT_STACK="$mnt_point $MOUNTED_POINT_STACK"
210 # Unmount the last mounted mountpoint in MOUNTED_POINT_STACK
211 # and return it to caller
214 local last_mnt=`echo $MOUNTED_POINT_STACK | awk '{print $1}'`
216 if [ -n "$last_mnt" ]; then
217 $UMOUNT_PROG $last_mnt
219 MOUNTED_POINT_STACK=`echo $MOUNTED_POINT_STACK | cut -d\ -f2-`
222 # Unmount all mountpoints in MOUNTED_POINT_STACK and clear the stack
225 if [ -n "$MOUNTED_POINT_STACK" ]; then
226 $UMOUNT_PROG $MOUNTED_POINT_STACK
228 MOUNTED_POINT_STACK=""
238 if [ "$FSTYP" != "xfs" ]; then
244 SCRATCH_OPTIONS="$SCRATCH_OPTIONS -f"
253 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
254 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${rt_opt}rtdev=$SCRATCH_RTDEV"
255 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
256 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${log_opt}logdev=$SCRATCH_LOGDEV"
266 if [ "$FSTYP" != "xfs" ]; then
280 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_RTDEV" ] && \
281 TEST_OPTIONS="$TEST_OPTIONS ${rt_opt}rtdev=$TEST_RTDEV"
282 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
283 TEST_OPTIONS="$TEST_OPTIONS ${log_opt}logdev=$TEST_LOGDEV"
289 local last_index=$(( $# - 1 ))
291 #get mount point to handle dmapi mtpt option correctly
292 [ $last_index -gt 0 ] && shift $last_index
295 echo $params | sed -e 's/dmapi/dmi/' \
296 | $PERL_PROG -ne "s#mtpt=[^,|^\n|^\s]*#mtpt=$fs_escaped\1\2#; print;"
300 # Used for mounting non-scratch devices (e.g. loop, dm constructs)
301 # with the safe set of scratch mount options (e.g. loop image may be
302 # hosted on $SCRATCH_DEV, so can't use external scratch devices).
303 _common_dev_mount_options()
305 echo $MOUNT_OPTIONS $SELINUX_MOUNT_OPTIONS $*
308 _scratch_mount_options()
310 _scratch_options mount
312 echo `_common_dev_mount_options $*` $SCRATCH_OPTIONS \
313 $SCRATCH_DEV $SCRATCH_MNT
320 local fstyp=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $2}'`
323 xfs_info $dir | grep -q "ftype=1"
326 local dev=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $1}'`
327 tune2fs -l $dev | grep -q filetype
330 local testfile=$dir/$$.ftype
332 # look for DT_UNKNOWN files
333 local unknowns=$(src/t_dir_type $dir u | wc -l)
335 # 0 unknowns is success
341 # mount scratch device with given options but don't check mount status
344 if [ "$FSTYP" == "overlay" ]; then
345 _overlay_scratch_mount $*
348 _mount -t $FSTYP `_scratch_mount_options $*`
351 # mount scratch device with given options and _fail if mount fails
354 _try_scratch_mount $* || _fail "mount failed"
361 _overlay_scratch_unmount
364 $UMOUNT_PROG $SCRATCH_MNT
367 $UMOUNT_PROG $SCRATCH_DEV
376 if test -n "$opts"; then
377 mount -o "remount,$opts" $SCRATCH_MNT
381 _scratch_cycle_mount()
385 if [ "$FSTYP" = tmpfs ]; then
386 _scratch_remount "$opts"
389 if test -n "$opts"; then
393 _try_scratch_mount "$opts" || _fail "cycle mount failed"
398 if [ $FSTYP = "overlay" ]; then
399 # In lagacy overlay usage, it may specify directory as
400 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
401 # will be null, so check OVL_BASE_SCRATCH_DEV before
402 # running shutdown to avoid shutting down base fs accidently.
403 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
404 _fail "_scratch_shutdown: call _require_scratch_shutdown first in test"
406 src/godown $* $OVL_BASE_SCRATCH_MNT
409 src/godown $* $SCRATCH_MNT
415 if [ "$FSTYP" == "overlay" ]; then
416 _overlay_test_mount $*
420 _mount -t $FSTYP $TEST_OPTIONS $TEST_FS_MOUNT_OPTS $SELINUX_MOUNT_OPTIONS $* $TEST_DEV $TEST_DIR
425 if [ "$FSTYP" == "overlay" ]; then
426 _overlay_test_unmount
428 $UMOUNT_PROG $TEST_DEV
434 if [ "$FSTYP" = tmpfs ]; then
441 _scratch_mkfs_options()
443 _scratch_options mkfs
444 echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV
447 # Do the actual mkfs work on SCRATCH_DEV. Firstly mkfs with both MKFS_OPTIONS
448 # and user specified mkfs options, if that fails (due to conflicts between mkfs
449 # options), do a second mkfs with only user provided mkfs options.
451 # First param is the mkfs command without any mkfs options and device.
452 # Second param is the filter to remove unnecessary messages from mkfs stderr.
453 # Other extra mkfs options are followed.
459 local extra_mkfs_options=$*
461 local tmp=`mktemp -u`
463 # save mkfs output in case conflict means we need to run again.
464 # only the output for the mkfs that applies should be shown
465 eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
466 2>$tmp.mkfserr 1>$tmp.mkfsstd
469 # a mkfs failure may be caused by conflicts between $MKFS_OPTIONS and
470 # $extra_mkfs_options
471 if [ $mkfs_status -ne 0 -a -n "$extra_mkfs_options" ]; then
473 echo -n "** mkfs failed with extra mkfs options "
474 echo "added to \"$MKFS_OPTIONS\" by test $seq **"
475 echo -n "** attempting to mkfs using only test $seq "
476 echo "options: $extra_mkfs_options **"
479 # running mkfs again. overwrite previous mkfs output files
480 eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
481 2>$tmp.mkfserr 1>$tmp.mkfsstd
485 # output stored mkfs output, filtering unnecessary output from stderr
487 eval "cat $tmp.mkfserr | $mkfs_filter" >&2
489 rm -f $tmp.mkfserr $tmp.mkfsstd
499 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
500 options="-l $SCRATCH_LOGDEV"
502 xfs_metadump $options "$@" $SCRATCH_DEV $dumpfile
505 _setup_large_ext4_fs()
510 [ "$LARGE_SCRATCH_DEV" != yes ] && return 0
511 [ -z "$SCRATCH_DEV_EMPTY_SPACE" ] && SCRATCH_DEV_EMPTY_SPACE=0
512 [ $SCRATCH_DEV_EMPTY_SPACE -ge $fs_size ] && return 0
514 # Default free space in the FS is 50GB, but you can specify more via
515 # SCRATCH_DEV_EMPTY_SPACE
516 local space_to_consume=$(($fs_size - 50*1024*1024*1024 - $SCRATCH_DEV_EMPTY_SPACE))
518 # mount the filesystem and create 16TB - 4KB files until we consume
519 # all the necessary space.
520 _try_scratch_mount 2>&1 >$tmp_dir/mnt.err
522 if [ $status -ne 0 ]; then
524 cat $tmp_dir/mnt.err >&2
525 rm -f $tmp_dir/mnt.err
528 rm -f $tmp_dir/mnt.err
530 local file_size=$((16*1024*1024*1024*1024 - 4096))
532 while [ $space_to_consume -gt $file_size ]; do
535 -c "truncate $file_size" \
536 -c "falloc -k 0 $file_size" \
537 $SCRATCH_MNT/.use_space.$nfiles 2>&1
539 if [ $status -ne 0 ]; then
543 space_to_consume=$(( $space_to_consume - $file_size ))
544 nfiles=$(($nfiles + 1))
547 # consume the remaining space.
548 if [ $space_to_consume -gt 0 ]; then
550 -c "truncate $space_to_consume" \
551 -c "falloc -k 0 $space_to_consume" \
552 $SCRATCH_MNT/.use_space.$nfiles 2>&1
555 export NUM_SPACE_FILES=$nfiles
558 if [ $status -ne 0 ]; then
559 echo "large file prealloc failed"
560 cat $tmp_dir/mnt.err >&2
568 local mkfs_cmd="$MKFS_EXT4_PROG -F"
569 local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
570 local tmp=`mktemp -u`
573 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
574 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
575 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
577 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
580 if [ $mkfs_status -eq 0 -a "$LARGE_SCRATCH_DEV" = yes ]; then
581 # manually parse the mkfs output to get the fs size in bytes
582 local fs_size=`cat $tmp.mkfsstd | awk ' \
583 /^Block size/ { split($2, a, "="); bs = a[2] ; } \
584 / inodes, / { blks = $3 } \
585 /reserved for the super user/ { resv = $1 } \
586 END { fssize = bs * blks - resv; print fssize }'`
588 _setup_large_ext4_fs $fs_size
592 # output mkfs stdout and stderr
595 rm -f $tmp.mkfserr $tmp.mkfsstd
607 # do nothing for cifs
613 # do nothing for ceph
616 # do nothing for glusterfs
619 # do nothing for overlay
622 # do nothing for pvfs2
625 $MKFS_UDF_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
628 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
631 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* $TEST_DEV
634 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* $TEST_DEV
641 local tmp=`mktemp -u`
650 # do nothing for overlay
653 # do nothing for pvfs2
656 $MKFS_UDF_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
659 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
662 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* \
663 2>$tmp.mkfserr 1>$tmp.mkfsstd
666 $MKFS_PROG -t $FSTYP -- -f $MKFS_OPTIONS $* \
667 2>$tmp.mkfserr 1>$tmp.mkfsstd
670 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* \
671 2>$tmp.mkfserr 1>$tmp.mkfsstd
675 if [ $? -ne 0 ]; then
676 # output stored mkfs output
682 rm -f $tmp.mkfserr $tmp.mkfsstd
685 # remove all files in $SCRATCH_MNT, useful when testing on NFS/CIFS
686 _scratch_cleanup_files()
690 # Avoid rm -rf /* if we messed up
691 [ -n "$OVL_BASE_SCRATCH_MNT" ] || return 1
692 _overlay_base_scratch_mount || return 1
693 rm -rf $OVL_BASE_SCRATCH_MNT/* || return 1
694 _overlay_mkdirs $OVL_BASE_SCRATCH_MNT
695 # leave base fs mouted so tests can setup lower/upper dir files
698 [ -n "$SCRATCH_MNT" ] || return 1
700 rm -rf $SCRATCH_MNT/*
713 nfs*|cifs|ceph|overlay|glusterfs|pvfs2|9p)
714 # unable to re-create this fstyp, just remove all files in
715 # $SCRATCH_MNT to avoid EEXIST caused by the leftover files
716 # created in previous runs
717 _scratch_cleanup_files
721 # do nothing for tmpfs
725 # erase the UBI volume; reformated automatically on next mount
726 $UBIUPDATEVOL_PROG ${SCRATCH_DEV} -t
730 _scratch_mkfs_ext4 $*
738 mkfs_cmd="$MKFS_UDF_PROG"
742 mkfs_cmd="$MKFS_BTRFS_PROG"
746 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
747 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
749 # put journal on separate device?
750 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
751 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
752 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
755 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
756 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
759 mkfs_cmd="$MKFS_F2FS_PROG"
763 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
764 mkfs_filter="grep -v -e ^mkfs\.ocfs2"
767 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
772 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $*
776 # Helper function to get a spare or replace-target device from
777 # configured SCRATCH_DEV_POLL, must call _scratch_dev_pool_get()
778 # before _spare_dev_get(). Replace-target-device/Spare-device will
779 # be assigned to SPARE_DEV.
780 # As of now only one replace-target-device/spare-device can be
784 # _scratch_dev_pool_get() <ndevs>
788 # _scratch_dev_pool_put()
792 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
793 if [ $? -ne 0 ]; then
794 _fail "Bug: unset val, must call _scratch_dev_pool_get before _spare_dev_get"
797 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
798 _fail "Bug: str empty, must call _scratch_dev_pool_get before _spare_dev_get"
801 # Check if the spare is already assigned
802 typeset -p SPARE_DEV >/dev/null 2>&1
803 if [ $? -eq 0 ]; then
804 if [ ! -z "$SPARE_DEV" ]; then
805 _fail "Bug: SPARE_DEV = $SPARE_DEV already assigned"
809 local ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
810 local config_ndevs=`echo $SCRATCH_DEV_POOL_SAVED| wc -w`
812 if [ $ndevs -eq $config_ndevs ]; then
813 _notrun "All devs used no spare"
815 # Get a dev that is not used
816 local -a devs="( $SCRATCH_DEV_POOL_SAVED )"
817 SPARE_DEV=${devs[@]:$ndevs:1}
823 typeset -p SPARE_DEV >/dev/null 2>&1
824 if [ $? -ne 0 ]; then
825 _fail "Bug: unset val, must call _spare_dev_get before its put"
828 if [ -z "$SPARE_DEV" ]; then
829 _fail "Bug: str empty, must call _spare_dev_get before its put"
836 # Generally test cases will have..
837 # _require_scratch_dev_pool X
838 # to make sure it has the enough scratch devices including
839 # replace-target and spare device. Now arg1 here is the
840 # required number of scratch devices by a-test-case excluding
841 # the replace-target and spare device. So this function will
842 # set SCRATCH_DEV_POOL to the specified number of devices.
845 # _scratch_dev_pool_get() <ndevs>
848 # _scratch_dev_pool_put()
850 _scratch_dev_pool_get()
852 if [ $# -ne 1 ]; then
853 _fail "Usage: _scratch_dev_pool_get ndevs"
857 local config_ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
858 local -a devs="( $SCRATCH_DEV_POOL )"
860 typeset -p config_ndevs >/dev/null 2>&1
861 if [ $? -ne 0 ]; then
862 _fail "Bug: cant find SCRATCH_DEV_POOL ndevs"
865 if [ $config_ndevs -lt $test_ndevs ]; then
866 _notrun "Need at least test requested number of ndevs $test_ndevs"
869 SCRATCH_DEV_POOL_SAVED=${SCRATCH_DEV_POOL}
870 export SCRATCH_DEV_POOL_SAVED
871 SCRATCH_DEV_POOL=${devs[@]:0:$test_ndevs}
872 export SCRATCH_DEV_POOL
875 _scratch_dev_pool_put()
877 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
878 if [ $? -ne 0 ]; then
879 _fail "Bug: unset val, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
882 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
883 _fail "Bug: str empty, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
886 export SCRATCH_DEV_POOL=$SCRATCH_DEV_POOL_SAVED
887 export SCRATCH_DEV_POOL_SAVED=""
894 # if dup profile is in mkfs options call _scratch_mkfs instead
895 # because dup profile only works with single device
896 if [[ "$*" =~ dup ]]; then
899 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $SCRATCH_DEV_POOL > /dev/null
903 echo "_scratch_pool_mkfs is not implemented for $FSTYP" 1>&2
908 # Return the amount of free memory available on the system
911 free -b | grep ^Mem | awk '{print $4}'
914 # Create fs of certain size on scratch device
915 # _scratch_mkfs_sized <size in bytes> [optional blocksize]
916 _scratch_mkfs_sized()
924 def_blksz=`echo $MKFS_OPTIONS|sed -rn 's/.*-b ?size= ?+([0-9]+).*/\1/p'`
926 ext2|ext3|ext4|ext4dev|udf|btrfs|reiser4|ocfs2|reiserfs)
927 def_blksz=`echo $MKFS_OPTIONS| sed -rn 's/.*-b ?+([0-9]+).*/\1/p'`
934 [ -n "$def_blksz" ] && blocksize=$def_blksz
935 [ -z "$blocksize" ] && blocksize=4096
939 if ! [[ $fssize =~ $re ]] ; then
940 _notrun "error: _scratch_mkfs_sized: fs size \"$fssize\" not an integer."
942 if ! [[ $blocksize =~ $re ]] ; then
943 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
946 local blocks=`expr $fssize / $blocksize`
948 if [ "$HOSTOS" == "Linux" -a -b "$SCRATCH_DEV" ]; then
949 local devsize=`blockdev --getsize64 $SCRATCH_DEV`
950 [ "$fssize" -gt "$devsize" ] && _notrun "Scratch device too small"
955 # don't override MKFS_OPTIONS that set a block size.
956 echo $MKFS_OPTIONS |egrep -q "b?size="
957 if [ $? -eq 0 ]; then
958 _scratch_mkfs_xfs -d size=$fssize
960 _scratch_mkfs_xfs -d size=$fssize -b size=$blocksize
963 ext2|ext3|ext4|ext4dev)
964 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
967 # mkfs.gfs2 doesn't automatically shrink journal files on small
968 # filesystems, so the journal files may end up being bigger than the
969 # filesystem, which will cause mkfs.gfs2 to fail. Until that's fixed,
970 # shrink the journal size to at most one eigth of the filesystem and at
971 # least 8 MiB, the minimum size allowed.
972 local min_journal_size=8
973 local default_journal_size=128
974 if (( fssize/8 / (1024*1024) < default_journal_size )); then
975 local journal_size=$(( fssize/8 / (1024*1024) ))
976 (( journal_size >= min_journal_size )) || journal_size=$min_journal_size
977 MKFS_OPTIONS="-J $journal_size $MKFS_OPTIONS"
979 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV $blocks
982 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
985 $MKFS_UDF_PROG $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
989 (( fssize <= 1024 * 1024 * 1024 )) && mixed_opt='--mixed'
990 $MKFS_BTRFS_PROG $MKFS_OPTIONS $mixed_opt -b $fssize $SCRATCH_DEV
993 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS $SCRATCH_DEV $blocks
996 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
999 # mkfs.resier4 requires size in KB as input for creating filesystem
1000 $MKFS_REISER4_PROG $MKFS_OPTIONS -y -b $blocksize $SCRATCH_DEV \
1001 `expr $fssize / 1024`
1004 # mkfs.f2fs requires # of sectors as an input for the size
1005 local sector_size=`blockdev --getss $SCRATCH_DEV`
1006 $MKFS_F2FS_PROG $MKFS_OPTIONS $SCRATCH_DEV `expr $fssize / $sector_size`
1009 local free_mem=`_free_memory_bytes`
1010 if [ "$free_mem" -lt "$fssize" ] ; then
1011 _notrun "Not enough memory ($free_mem) for tmpfs with $fssize bytes"
1013 export MOUNT_OPTIONS="-o size=$fssize $TMPFS_MOUNT_OPTIONS"
1016 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized"
1021 # Emulate an N-data-disk stripe w/ various stripe units
1022 # _scratch_mkfs_geom <sunit bytes> <swidth multiplier> [optional blocksize]
1023 _scratch_mkfs_geom()
1025 local sunit_bytes=$1
1026 local swidth_mult=$2
1028 [ -z "$blocksize" ] && blocksize=4096
1030 local sunit_blocks=$(( sunit_bytes / blocksize ))
1031 local swidth_blocks=$(( sunit_blocks * swidth_mult ))
1035 MKFS_OPTIONS+=" -b size=$blocksize, -d su=$sunit_bytes,sw=$swidth_mult"
1038 MKFS_OPTIONS+=" -b $blocksize -E stride=$sunit_blocks,stripe_width=$swidth_blocks"
1041 _notrun "can't mkfs $FSTYP with geometry"
1047 # Create fs of certain blocksize on scratch device
1048 # _scratch_mkfs_blocksized blocksize
1049 _scratch_mkfs_blocksized()
1054 if ! [[ $blocksize =~ $re ]] ; then
1055 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
1060 _scratch_mkfs_xfs $MKFS_OPTIONS -b size=$blocksize
1063 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV
1066 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV
1069 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize -C $blocksize $SCRATCH_DEV
1072 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_blocksized"
1081 xfs_io -x -c "resblks $1" $SCRATCH_MNT
1089 # Repair scratch filesystem. Returns 0 if the FS is good to go (either no
1090 # errors found or errors were fixed) and nonzero otherwise; also spits out
1091 # a complaint on stderr if fsck didn't tell us that the FS is good to go.
1092 _repair_scratch_fs()
1096 _scratch_xfs_repair "$@" 2>&1
1098 if [ "$res" -ne 0 ]; then
1099 echo "xfs_repair returns $res; replay log?"
1102 if [ "$res" -gt 0 ]; then
1103 echo "mount returns $res; zap log?"
1104 _scratch_xfs_repair -L 2>&1
1105 echo "log zap returns $?"
1107 umount "$SCRATCH_MNT"
1109 _scratch_xfs_repair "$@" 2>&1
1112 if [ $res -ne 0 ]; then
1113 _dump_err2 "xfs_repair failed, err=$res"
1118 # Let's hope fsck -y suffices...
1119 fsck -t $FSTYP -y $SCRATCH_DEV 2>&1
1126 _dump_err2 "fsck.$FSTYP failed, err=$res"
1138 echo "Usage: _get_pids_by_name process-name" 1>&2
1142 # Algorithm ... all ps(1) variants have a time of the form MM:SS or
1143 # HH:MM:SS before the psargs field, use this as the search anchor.
1145 # Matches with $1 (process-name) occur if the first psarg is $1
1146 # or ends in /$1 ... the matching uses sed's regular expressions,
1147 # so passing a regex into $1 will work.
1152 -e 's/[ ][ ]*/ /g' \
1155 -e "/[0-9]:[0-9][0-9] *[^ ]*\/$1 /s/ .*//p" \
1156 -e "/[0-9]:[0-9][0-9] *$1 /s/ .*//p"
1160 # _df_device : get an IRIX style df line for a given device
1162 # - returns "" if not mounted
1163 # - returns fs type in field two (ala IRIX)
1164 # - joins line together if split by fancy df formatting
1165 # - strips header etc
1172 echo "Usage: _df_device device" 1>&2
1176 # Note that we use "==" here so awk doesn't try to interpret an NFS over
1177 # IPv6 server as a regular expression.
1178 $DF_PROG 2>/dev/null | $AWK_PROG -v what=$1 '
1179 ($1==what) && (NF==1) {
1193 # _df_dir : get an IRIX style df line for device where a directory resides
1195 # - returns fs type in field two (ala IRIX)
1196 # - joins line together if split by fancy df formatting
1197 # - strips header etc
1204 echo "Usage: _df_dir device" 1>&2
1208 $DF_PROG $1 2>/dev/null | $AWK_PROG -v what=$1 '
1224 # return percentage used disk space for mounted device
1230 echo "Usage: _used device" 1>&2
1234 _df_device $1 | $AWK_PROG '{ sub("%", "") ; print $6 }'
1237 # return the FS type of a mounted device
1243 echo "Usage: _fs_type device" 1>&2
1248 # The Linux kernel shows NFSv4 filesystems in df output as
1249 # filesystem type nfs4, although we mounted it as nfs earlier.
1250 # Fix the filesystem type up here so that the callers don't
1251 # have to bother with this quirk.
1253 _df_device $1 | $AWK_PROG '{ print $2 }' | \
1254 sed -e 's/nfs4/nfs/' -e 's/fuse.glusterfs/glusterfs/'
1257 # return the FS mount options of a mounted device
1259 # should write a version which just parses the output of mount for IRIX
1260 # compatibility, but since this isn't used at all, at the moment I'll leave
1267 echo "Usage: _fs_options device" 1>&2
1271 $AWK_PROG -v dev=$1 '
1272 match($1,dev) { print $4 }
1276 # returns device number if a file is a block device
1282 echo "Usage: _is_block_dev dev" 1>&2
1287 if [ -L "$dev" ]; then
1288 dev=`readlink -f "$dev"`
1291 if [ -b "$dev" ]; then
1292 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1296 # returns device number if a file is a character device
1300 if [ $# -ne 1 ]; then
1301 echo "Usage: _is_char_dev dev" 1>&2
1306 if [ -L "$dev" ]; then
1307 dev=`readlink -f "$dev"`
1310 if [ -c "$dev" ]; then
1311 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1315 # Do a command, log it to $seqres.full, optionally test return status
1316 # and die if command fails. If called with one argument _do executes the
1317 # command, logs it, and returns its exit status. With two arguments _do
1318 # first prints the message passed in the first argument, and then "done"
1319 # or "fail" depending on the return status of the command passed in the
1320 # second argument. If the command fails and the variable _do_die_on_error
1321 # is set to "always" or the two argument form is used and _do_die_on_error
1322 # is set to "message_only" _do will print an error message to
1323 # $seqres.out and exit.
1327 if [ $# -eq 1 ]; then
1329 elif [ $# -eq 2 ]; then
1334 echo "Usage: _do [note] cmd" 1>&2
1338 (eval "echo '---' \"$cmd\"") >>$seqres.full
1339 (eval "$cmd") >$tmp._out 2>&1
1341 cat $tmp._out >>$seqres.full
1343 if [ $# -eq 2 ]; then
1344 if [ $ret -eq 0 ]; then
1351 && [ "$_do_die_on_error" = "always" \
1352 -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
1354 [ $# -ne 2 ] && echo
1355 eval "echo \"$cmd\" failed \(returned $ret\): see $seqres.full"
1362 # bail out, setting up .notrun file. Need to kill the filesystem check files
1363 # here, otherwise they are set incorrectly for the next test.
1367 echo "$*" > $seqres.notrun
1368 echo "$seq not run: $*"
1369 rm -f ${RESULT_DIR}/require_test*
1370 rm -f ${RESULT_DIR}/require_scratch*
1376 # just plain bail out
1380 echo "$*" | tee -a $seqres.full
1381 echo "(see $seqres.full for details)"
1386 # tests whether $FSTYP is one of the supported filesystems for a test
1394 if [ "$f" = "$FSTYP" -o "$f" = "generic" ]
1400 _notrun "not suitable for this filesystem type: $FSTYP"
1404 # tests whether $FSTYP is one of the supported OSes for a test
1412 if [ "$h" = "$HOSTOS" ]
1418 _notrun "not suitable for this OS: $HOSTOS"
1421 # check if a FS on a device is mounted
1422 # if so, verify that it is mounted on mount point
1423 # if fstype is given as argument, verify that it is also
1424 # mounted with correct fs type
1434 # find $dev as the source, and print result in "$dev $mnt" format
1435 local mount_rec=`findmnt -rncv -S $dev -o SOURCE,TARGET`
1436 [ -n "$mount_rec" ] || return 1 # 1 = not mounted
1438 # if it's mounted, make sure its on $mnt
1439 if [ "$mount_rec" != "$dev $mnt" ]; then
1440 echo "$devname=$dev is mounted but not on $mntname=$mnt - aborting"
1441 echo "Already mounted result:"
1443 return 2 # 2 = mounted on wrong mnt
1446 if [ -n "$type" -a "`_fs_type $dev`" != "$type" ]; then
1447 echo "$devname=$dev is mounted but not a type $type filesystem"
1448 # raw $DF_PROG cannot handle NFS/CIFS/overlay correctly
1450 return 3 # 3 = mounted as wrong type
1452 return 0 # 0 = mounted as expected
1455 # this test needs a scratch partition - check we're ok & unmount it
1456 # No post-test check of the device is required. e.g. the test intentionally
1457 # finishes the test with the filesystem in a corrupt state
1458 _require_scratch_nocheck()
1462 echo $SCRATCH_DEV | egrep -q ":/?" > /dev/null 2>&1
1463 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1464 _notrun "this test requires a valid \$SCRATCH_DEV"
1466 if [ ! -d "$SCRATCH_MNT" ]; then
1467 _notrun "this test requires a valid \$SCRATCH_MNT"
1471 if [ -z "$SCRATCH_DEV" ]; then
1472 _notrun "this test requires a valid \$SCRATCH_DEV"
1474 if [ ! -d "$SCRATCH_MNT" ]; then
1475 _notrun "this test requires a valid \$SCRATCH_MNT"
1479 echo $SCRATCH_DEV | grep -q ":/" > /dev/null 2>&1
1480 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1481 _notrun "this test requires a valid \$SCRATCH_DEV"
1483 if [ ! -d "$SCRATCH_MNT" ]; then
1484 _notrun "this test requires a valid \$SCRATCH_MNT"
1488 echo $SCRATCH_DEV | grep -q "://" > /dev/null 2>&1
1489 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1490 _notrun "this test requires a valid \$SCRATCH_DEV"
1492 if [ ! -d "$SCRATCH_MNT" ]; then
1493 _notrun "this test requires a valid \$SCRATCH_MNT"
1497 echo $SCRATCH_DEV | grep -q "//" > /dev/null 2>&1
1498 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1499 _notrun "this test requires a valid \$SCRATCH_DEV"
1501 if [ ! -d "$SCRATCH_MNT" ]; then
1502 _notrun "this test requires a valid \$SCRATCH_MNT"
1506 if [ -z "$OVL_BASE_SCRATCH_MNT" -o ! -d "$OVL_BASE_SCRATCH_MNT" ]; then
1507 _notrun "this test requires a valid \$OVL_BASE_SCRATCH_MNT as ovl base dir"
1509 # if $SCRATCH_MNT is derived from $OVL_BASE_SCRATCH_MNT then
1510 # don't check $SCRATCH_MNT dir here because base fs may not be mounted
1511 # and we will create the mount point anyway on _overlay_mount
1512 if [ "$SCRATCH_MNT" != "$OVL_BASE_SCRATCH_MNT/$OVL_MNT" -a ! -d "$SCRATCH_MNT" ]; then
1513 _notrun "this test requires a valid \$SCRATCH_MNT"
1517 if [ -z "$SCRATCH_DEV" -o ! -d "$SCRATCH_MNT" ];
1519 _notrun "this test requires a valid \$SCRATCH_MNT and unique $SCRATCH_DEV"
1523 # ubifs needs an UBI volume. This will be a char device, not a block device.
1524 if [ ! -c "$SCRATCH_DEV" ]; then
1525 _notrun "this test requires a valid UBI volume for \$SCRATCH_DEV"
1527 if [ ! -d "$SCRATCH_MNT" ]; then
1528 _notrun "this test requires a valid \$SCRATCH_MNT"
1532 if [ -z "$SCRATCH_DEV" -o "`_is_block_dev "$SCRATCH_DEV"`" = "" ]
1534 _notrun "this test requires a valid \$SCRATCH_DEV"
1536 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1538 _notrun "this test requires a valid \$SCRATCH_DEV"
1540 if [ ! -d "$SCRATCH_MNT" ]
1542 _notrun "this test requires a valid \$SCRATCH_MNT"
1547 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
1549 [ $err -le 1 ] || exit 1
1552 # if it's mounted, unmount it
1553 if ! _scratch_unmount
1555 echo "failed to unmount $SCRATCH_DEV"
1559 rm -f ${RESULT_DIR}/require_scratch
1562 # we need the scratch device and it should be checked post test.
1565 _require_scratch_nocheck
1566 touch ${RESULT_DIR}/require_scratch
1569 # require a scratch dev of a minimum size (in kb)
1570 _require_scratch_size()
1572 [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
1575 local devsize=`_get_device_size $SCRATCH_DEV`
1576 [ $devsize -lt $1 ] && _notrun "scratch dev too small"
1580 # this test needs a test partition - check we're ok & mount it
1586 echo $TEST_DEV | egrep -q ":/?" > /dev/null 2>&1
1587 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1588 _notrun "this test requires a valid \$TEST_DEV"
1590 if [ ! -d "$TEST_DIR" ]; then
1591 _notrun "this test requires a valid \$TEST_DIR"
1595 if [ -z "$TEST_DEV" ]; then
1596 _notrun "this test requires a valid \$TEST_DEV"
1598 if [ ! -d "$TEST_DIR" ]; then
1599 _notrun "this test requires a valid \$TEST_DIR"
1603 echo $TEST_DEV | grep -q ":/" > /dev/null 2>&1
1604 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1605 _notrun "this test requires a valid \$TEST_DEV"
1607 if [ ! -d "$TEST_DIR" ]; then
1608 _notrun "this test requires a valid \$TEST_DIR"
1612 echo $TEST_DEV | grep -q "//" > /dev/null 2>&1
1613 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1614 _notrun "this test requires a valid \$TEST_DEV"
1616 if [ ! -d "$TEST_DIR" ]; then
1617 _notrun "this test requires a valid \$TEST_DIR"
1621 echo $TEST_DEV | grep -q "://" > /dev/null 2>&1
1622 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1623 _notrun "this test requires a valid \$TEST_DIR"
1625 if [ ! -d "$TEST_DIR" ]; then
1626 _notrun "this test requires a valid \$TEST_DIR"
1630 if [ -z "$OVL_BASE_TEST_DIR" -o ! -d "$OVL_BASE_TEST_DIR" ]; then
1631 _notrun "this test requires a valid \$TEST_DIR as ovl base dir"
1633 if [ ! -d "$TEST_DIR" ]; then
1634 _notrun "this test requires a valid \$TEST_DIR"
1638 if [ -z "$TEST_DEV" -o ! -d "$TEST_DIR" ];
1640 _notrun "this test requires a valid \$TEST_DIR and unique $TEST_DEV"
1644 # ubifs needs an UBI volume. This will be a char device, not a block device.
1645 if [ ! -c "$TEST_DEV" ]; then
1646 _notrun "this test requires a valid UBI volume for \$TEST_DEV"
1648 if [ ! -d "$TEST_DIR" ]; then
1649 _notrun "this test requires a valid \$TEST_DIR"
1653 if [ -z "$TEST_DEV" ] || [ "`_is_block_dev "$TEST_DEV"`" = "" ]
1655 _notrun "this test requires a valid \$TEST_DEV"
1657 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1659 _notrun "this test requires a valid \$TEST_DEV"
1661 if [ ! -d "$TEST_DIR" ]
1663 _notrun "this test requires a valid \$TEST_DIR"
1668 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR
1670 [ $err -le 1 ] || exit 1
1675 echo "!!! failed to mount $TEST_DEV on $TEST_DIR"
1679 touch ${RESULT_DIR}/require_test
1685 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && ret=1
1686 [ "$USE_EXTERNAL" != yes ] && ret=1
1691 # this test needs a logdev
1695 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && \
1696 _notrun "This test requires a valid \$SCRATCH_LOGDEV"
1697 [ "$USE_EXTERNAL" != yes ] && \
1698 _notrun "This test requires USE_EXTERNAL to be enabled"
1700 # ensure its not mounted
1701 $UMOUNT_PROG $SCRATCH_LOGDEV 2>/dev/null
1704 # this test requires loopback device support
1708 if [ "$HOSTOS" != "Linux" ]
1710 _notrun "This test requires linux for loopback device support"
1713 modprobe loop >/dev/null 2>&1
1714 if grep loop /proc/devices >/dev/null 2>&1
1718 _notrun "This test requires loopback device support"
1722 # this test requires ext2 filesystem support
1726 if [ "$HOSTOS" != "Linux" ]
1728 _notrun "This test requires linux for ext2 filesystem support"
1731 modprobe ext2 >/dev/null 2>&1
1732 if grep ext2 /proc/filesystems >/dev/null 2>&1
1736 _notrun "This test requires ext2 filesystem support"
1740 # this test requires tmpfs filesystem support
1744 modprobe tmpfs >/dev/null 2>&1
1745 grep -q tmpfs /proc/filesystems ||
1746 _notrun "this test requires tmpfs support"
1749 # this test requires that (large) loopback device files are not in use
1751 _require_no_large_scratch_dev()
1753 [ "$LARGE_SCRATCH_DEV" = yes ] && \
1754 _notrun "Large filesystem testing in progress, skipped this test"
1757 # this test requires that a realtime subvolume is in use, and
1758 # that the kernel supports realtime as well.
1762 [ "$USE_EXTERNAL" = yes ] || \
1763 _notrun "External volumes not in use, skipped this test"
1764 [ "$SCRATCH_RTDEV" = "" ] && \
1765 _notrun "Realtime device required, skipped this test"
1768 # This test requires that a realtime subvolume is not in use
1770 _require_no_realtime()
1772 [ "$USE_EXTERNAL" = "yes" ] && [ -n "$SCRATCH_RTDEV" ] && \
1773 _notrun "Test not compatible with realtime subvolumes, skipped this test"
1776 # this test requires that a specified command (executable) exists
1777 # $1 - command, $2 - name for error message
1779 # Note: the command string might have parameters, so strip them before checking
1780 # whether it is executable.
1783 if [ $# -eq 2 ]; then
1785 elif [ $# -eq 1 ]; then
1788 _fail "usage: _require_command <command> [<name>]"
1791 local command=`echo "$1" | awk '{ print $1 }'`
1792 if [ ! -x "$command" ]; then
1793 _notrun "$name utility required, skipped this test"
1797 # this test requires the device to be valid block device
1799 _require_block_device()
1801 if [ -z "$1" ]; then
1802 echo "Usage: _require_block_device <dev>" 1>&2
1805 if [ "`_is_block_dev "$1"`" == "" ]; then
1806 _notrun "require $1 to be valid block disk"
1810 # this test requires a path to refere to a local block or character device
1812 _require_local_device()
1814 if [ -z "$1" ]; then
1815 echo "Usage: _require_local_device <dev>" 1>&2
1818 if [ "`_is_block_dev "$1"`" != "" ]; then
1821 if [ "`_is_char_dev "$1"`" != "" ]; then
1824 _notrun "require $1 to be local device"
1827 # brd based ram disks erase the device when they receive a flush command when no
1828 # active references are present. This causes problems for DM devices sitting on
1829 # top of brd devices as DM doesn't hold active references to the brd device.
1830 _require_sane_bdev_flush()
1832 echo $1 | grep -q "^/dev/ram[0-9]\+$"
1833 if [ $? -eq 0 ]; then
1834 _notrun "This test requires a sane block device flush"
1838 # this test requires a specific device mapper target
1839 _require_dm_target()
1843 # require SCRATCH_DEV to be a valid block device with sane BLKFLSBUF
1845 _require_block_device $SCRATCH_DEV
1846 _require_sane_bdev_flush $SCRATCH_DEV
1847 _require_command "$DMSETUP_PROG" dmsetup
1849 modprobe dm-$target >/dev/null 2>&1
1851 $DMSETUP_PROG targets 2>&1 | grep -q ^$target
1852 if [ $? -ne 0 ]; then
1853 _notrun "This test requires dm $target support"
1857 # this test requires the ext4 kernel support crc feature on scratch device
1859 _require_scratch_ext4_crc()
1861 _scratch_mkfs_ext4 >/dev/null 2>&1
1862 dumpe2fs -h $SCRATCH_DEV 2> /dev/null | grep -q metadata_csum || _notrun "metadata_csum not supported by this filesystem"
1863 _try_scratch_mount >/dev/null 2>&1 \
1864 || _notrun "Kernel doesn't support metadata_csum feature"
1868 # Check whether the specified feature whether it is supported by
1869 # mkfs.ext4 and the kernel.
1870 _require_scratch_ext4_feature()
1872 if [ -z "$1" ]; then
1873 echo "Usage: _require_scratch_ext4_feature feature"
1876 $MKFS_EXT4_PROG -F $MKFS_OPTIONS -O "$1" \
1877 $SCRATCH_DEV 512m >/dev/null 2>&1 \
1878 || _notrun "mkfs.ext4 doesn't support $1 feature"
1879 _try_scratch_mount >/dev/null 2>&1 \
1880 || _notrun "Kernel doesn't support the ext4 feature(s): $1"
1884 # this test requires that external log/realtime devices are not in use
1886 _require_nonexternal()
1888 [ "$USE_EXTERNAL" = yes ] && \
1889 _notrun "External device testing in progress, skipped this test"
1892 # this test requires that the kernel supports asynchronous I/O
1895 $here/src/feature -A
1900 _notrun "kernel does not support asynchronous I/O"
1903 _fail "unexpected error testing for asynchronous I/O support"
1908 # this test requires that a (specified) aio-dio executable exists
1909 # and that the kernel supports asynchronous I/O.
1910 # $1 - command (optional)
1916 AIO_TEST=src/aio-dio-regress/aiodio_sparse2
1917 [ -x $AIO_TEST ] || _notrun "aio-dio utilities required"
1919 AIO_TEST=src/aio-dio-regress/$1
1920 [ -x $AIO_TEST ] || _notrun "$AIO_TEST not built"
1926 # this test requires that a test program exists under src/
1927 # $1 - command (require)
1929 _require_test_program()
1932 [ -x $prog ] || _notrun "$prog not built"
1935 # run an aio-dio program
1941 echo "usage: _run_aiodio command_name" 2>&1
1947 local testtemp=$TEST_DIR/aio-testfile
1949 $AIO_TEST $testtemp 2>&1
1956 # this test requires y2038 sysfs switch and filesystem
1957 # timestamp ranges support.
1960 local device=${1:-$TEST_DEV}
1961 local sysfsdir=/proc/sys/fs/fs-timestamp-check-on
1963 if [ ! -e $sysfsdir ]; then
1964 _notrun "no kernel support for y2038 sysfs switch"
1968 read tsmin tsmax <<<$(_filesystem_timestamp_range $device)
1969 if [ $tsmin -eq -1 -a $tsmax -eq -1 ]; then
1970 _notrun "filesystem $FSTYP timestamp bounds are unknown"
1974 _filesystem_timestamp_range()
1976 local device=${1:-$TEST_DEV}
1979 if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
1980 echo "-2147483648 15032385535"
1982 echo "-2147483648 2147483647"
1987 echo "-2147483648 2147483647"
1993 echo "-2147483648 2147483647"
2001 # indicate whether YP/NIS is active or not
2006 dn=$(domainname 2>/dev/null)
2007 local ypcat=$(type -P ypcat)
2008 test -n "${dn}" -a "${dn}" != "(none)" -a "${dn}" != "localdomain" -a -n "${ypcat}"
2012 # cat the password file
2016 [ $(_yp_active) -eq 0 ] && ypcat passwd
2020 # cat the group file
2024 [ $(_yp_active) -eq 0 ] && ypcat group
2028 # check for a user on the machine, fsgqa as default
2036 _cat_passwd | grep -q $qa_user
2037 [ "$?" == "0" ] || _notrun "$qa_user user not defined."
2038 echo /bin/true | su $qa_user
2039 [ "$?" == "0" ] || _notrun "$qa_user cannot execute commands."
2042 # check for a group on the machine, fsgqa as default
2050 _cat_group | grep -q $qa_group
2051 [ "$?" == "0" ] || _notrun "$qa_group group not defined."
2057 s,.*Permission\sdenied.*,Permission denied,;
2058 s,.*no\saccess\sto\stty.*,,;
2059 s,.*no\sjob\scontrol\sin\sthis\sshell.*,,;
2066 echo $1 | su -s /bin/bash $qa_user 2>&1 | _filter_user_do
2069 _require_xfs_io_command()
2073 echo "Usage: _require_xfs_io_command command [switch]" 1>&2
2079 local param_checked=0
2082 local testfile=$TEST_DIR/$$.xfs_io
2086 testio=`$XFS_IO_PROG -F -f -c "chproj 0" $testfile 2>&1`
2089 local testcopy=$TEST_DIR/$$.copy.xfs_io
2090 $XFS_IO_PROG -F -f -c "pwrite 0 4k" $testfile > /dev/null 2>&1
2091 testio=`$XFS_IO_PROG -F -f -c "copy_range $testfile" $testcopy 2>&1`
2092 rm -f $testcopy > /dev/null 2>&1
2095 testio=`$XFS_IO_PROG -F -f -c "falloc $param 0 1m" $testfile 2>&1`
2098 "fpunch" | "fcollapse" | "zero" | "fzero" | "finsert" | "funshare")
2099 local blocksize=$(_get_block_size $TEST_DIR)
2100 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 $((5 * $blocksize))" \
2101 -c "fsync" -c "$command $blocksize $((2 * $blocksize))" \
2105 # If 'ranged' is passed as argument then we check to see if fiemap supports
2106 # ranged query params
2107 if echo "$param" | grep -q "ranged"; then
2108 param=$(echo "$param" | sed "s/ranged//")
2109 $XFS_IO_PROG -c "help fiemap" | grep -q "\[offset \[len\]\]"
2110 [ $? -eq 0 ] || _notrun "xfs_io $command ranged support is missing"
2112 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
2113 -c "fiemap -v $param" $testfile 2>&1`
2117 local testlink=$TEST_DIR/$$.link.xfs_io
2118 testio=`$XFS_IO_PROG -F -f -c "flink $testlink" $testfile 2>&1`
2119 rm -f $testlink > /dev/null 2>&1
2122 # Check O_TMPFILE support in xfs_io, kernel and fs
2123 testio=`$XFS_IO_PROG -T -c quit $TEST_DIR 2>&1`
2124 echo $testio | egrep -q "invalid option|Is a directory" && \
2125 _notrun "xfs_io $command support is missing"
2126 echo $testio | grep -q "Operation not supported" && \
2127 _notrun "O_TMPFILE is not supported"
2130 testio=`$XFS_IO_PROG -f -c "fsmap" $testfile 2>&1`
2131 echo $testio | grep -q "Inappropriate ioctl" && \
2132 _notrun "xfs_io $command support is missing"
2135 testio=`$XFS_IO_PROG -c "label" $TEST_DIR 2>&1`
2138 # -c "open $f" is broken in xfs_io <= 4.8. Along with the fix,
2139 # a new -C flag was introduced to execute one shot commands.
2140 # Check for -C flag support as an indication for the bug fix.
2141 testio=`$XFS_IO_PROG -F -f -C "open $testfile" $testfile 2>&1`
2142 echo $testio | grep -q "invalid option" && \
2143 _notrun "xfs_io $command support is missing"
2146 # -N (RWF_NOWAIT) only works with direct vectored I/O writes
2147 local pwrite_opts=" "
2148 if [ "$param" == "-N" ]; then
2150 pwrite_opts+="-V 1 -b 4k"
2152 testio=`$XFS_IO_PROG -f $opts -c \
2153 "pwrite $pwrite_opts $param 0 4k" $testfile 2>&1`
2157 testio=`$XFS_IO_PROG -x -c "$command probe" $TEST_DIR 2>&1`
2158 echo $testio | grep -q "Inappropriate ioctl" && \
2159 _notrun "xfs_io $command support is missing"
2162 testio=`$XFS_IO_PROG -f -c "utimes" 0 0 0 0 $testfile 2>&1`
2166 testio=`$XFS_IO_PROG -c "syncfs" $testfile 2>&1`
2169 testio=`$XFS_IO_PROG -c "help $command" 2>&1`
2172 rm -f $testfile 2>&1 > /dev/null
2173 echo $testio | grep -q "not found" && \
2174 _notrun "xfs_io $command support is missing"
2175 echo $testio | grep -q "Operation not supported\|Inappropriate ioctl" && \
2176 _notrun "xfs_io $command failed (old kernel/wrong fs?)"
2177 echo $testio | grep -q "Invalid" && \
2178 _notrun "xfs_io $command failed (old kernel/wrong fs/bad args?)"
2179 echo $testio | grep -q "foreign file active" && \
2180 _notrun "xfs_io $command not supported on $FSTYP"
2181 echo $testio | grep -q "Function not implemented" && \
2182 _notrun "xfs_io $command support is missing (missing syscall?)"
2184 [ -n "$param" ] || return
2186 if [ $param_checked -eq 0 ]; then
2187 $XFS_IO_PROG -c "help $command" | grep -q "^ $param --" || \
2188 _notrun "xfs_io $command doesn't support $param"
2190 # xfs_io could result in "command %c not supported" if it was
2191 # built on kernels not supporting pwritev2() calls
2192 echo $testio | grep -q "\(invalid option\|not supported\)" && \
2193 _notrun "xfs_io $command doesn't support $param"
2197 # check that kernel and filesystem support direct I/O
2200 if [ $FSTYP = "ext4" ] ; then
2201 if echo "$MOUNT_OPTIONS" | grep -q "test_dummy_encryption"; then
2202 _notrun "ext4 encryption doesn't support O_DIRECT"
2203 elif echo "$MOUNT_OPTIONS" | grep -q "data=journal"; then
2204 _notrun "ext4 data journaling doesn't support O_DIRECT"
2207 local testfile=$TEST_DIR/$$.direct
2208 $XFS_IO_PROG -F -f -d -c "pwrite 0 20k" $testfile > /dev/null 2>&1
2209 if [ $? -ne 0 ]; then
2210 _notrun "O_DIRECT is not supported"
2212 rm -f $testfile 2>&1 > /dev/null
2215 _format_swapfile() {
2222 # Swap files must be nocow on Btrfs.
2223 $CHATTR_PROG +C "$fname" > /dev/null 2>&1
2224 _pwrite_byte 0x61 0 "$sz" "$fname" >> $seqres.full
2225 mkswap "$fname" >> $seqres.full
2228 # Check that the filesystem supports swapfiles
2229 _require_scratch_swapfile()
2233 _scratch_mkfs >/dev/null
2236 # Minimum size for mkswap is 10 pages
2237 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
2239 if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
2241 _notrun "swapfiles are not supported"
2244 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
2248 # Check that a fs has enough free space (in 1024b blocks)
2253 local blocks=$2 # in units of 1024
2254 local gb=$(( blocks / 1024 / 1024 ))
2256 local free_blocks=`df -kP $mnt | grep -v Filesystem | awk '{print $4}'`
2257 [ $free_blocks -lt $blocks ] && \
2258 _notrun "This test requires at least ${gb}GB free on $mnt to run"
2262 # Check if the filesystem supports sparse files.
2264 # Unfortunately there is no better way to do this than a manual black list.
2266 _require_sparse_files()
2270 _notrun "Sparse files not supported by this filesystem type: $FSTYP"
2279 #boot_params always present in debugfs
2280 [ -d "$DEBUGFS_MNT/boot_params" ] || _notrun "Debugfs not mounted"
2283 _require_fail_make_request()
2285 [ -f "$DEBUGFS_MNT/fail_make_request/probability" ] \
2286 || _notrun "$DEBUGFS_MNT/fail_make_request \
2287 not found. Seems that CONFIG_FAIL_MAKE_REQUEST kernel config option not enabled"
2290 # Disable extent zeroing for ext4 on the given device
2291 _ext4_disable_extent_zeroout()
2293 local dev=${1:-$TEST_DEV}
2294 local sdev=`_short_dev $dev`
2296 [ -f /sys/fs/ext4/$sdev/extent_max_zeroout_kb ] && \
2297 echo 0 >/sys/fs/ext4/$sdev/extent_max_zeroout_kb
2300 # Check if the file system supports seek_data/hole
2301 _require_seek_data_hole()
2303 local dev=${1:-$TEST_DEV}
2304 local testfile=$TEST_DIR/$$.seek
2305 local testseek=`$here/src/seek_sanity_test -t $testfile 2>&1`
2307 rm -f $testfile &>/dev/null
2308 echo $testseek | grep -q "Kernel does not support" && \
2309 _notrun "File system does not support llseek(2) SEEK_DATA/HOLE"
2310 # Disable extent zeroing for ext4 as that change where holes are
2312 if [ "$FSTYP" = "ext4" ]; then
2313 _ext4_disable_extent_zeroout $dev
2319 _require_test_program "runas"
2324 "$here/src/runas" "$@"
2327 _require_richacl_prog()
2329 _require_command "$GETRICHACL_PROG" getrichacl
2330 _require_command "$SETRICHACL_PROG" setrichacl
2333 _require_scratch_richacl_xfs()
2335 _scratch_mkfs_xfs_supported -m richacl=1 >/dev/null 2>&1 \
2336 || _notrun "mkfs.xfs doesn't have richacl feature"
2337 _scratch_mkfs_xfs -m richacl=1 >/dev/null 2>&1
2338 _try_scratch_mount >/dev/null 2>&1 \
2339 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2343 _require_scratch_richacl_ext4()
2345 _scratch_mkfs -O richacl >/dev/null 2>&1 \
2346 || _notrun "can't mkfs $FSTYP with option -O richacl"
2347 _try_scratch_mount >/dev/null 2>&1 \
2348 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2352 _require_scratch_richacl_support()
2355 $GETFATTR_PROG -n system.richacl >/dev/null 2>&1 \
2356 || _notrun "this test requires richacl support on \$SCRATCH_DEV"
2360 _require_scratch_richacl()
2363 xfs) _require_scratch_richacl_xfs
2365 ext4) _require_scratch_richacl_ext4
2368 _require_scratch_richacl_support
2370 *) _notrun "this test requires richacl support on \$SCRATCH_DEV"
2375 _scratch_mkfs_richacl()
2378 xfs) _scratch_mkfs_xfs -m richacl=1
2380 ext4) _scratch_mkfs -O richacl
2388 # check if the given device is mounted, if so, return mount point
2392 local fstype=${2:-$FSTYP}
2394 if [ $# -lt 1 ]; then
2395 echo "Usage: _is_dev_mounted <device> [fstype]" 1>&2
2399 findmnt -rncv -S $dev -t $fstype -o TARGET | head -1
2402 # check if the given dir is a mount point, if so, return mount point
2403 _is_dir_mountpoint()
2406 local fstype=${2:-$FSTYP}
2408 if [ $# -lt 1 ]; then
2409 echo "Uasge: _is_dir_mountpoint <dir> [fstype]" 1>&2
2413 findmnt -rncv -t $fstype -o TARGET $dir | head -1
2416 # remount a FS to a new mode (ro or rw)
2422 echo "Usage: _remount device ro/rw" 1>&2
2428 if ! mount -o remount,$mode $device
2430 echo "_remount: failed to remount filesystem on $device as $mode"
2435 # Run the appropriate repair/check on a filesystem
2437 # if the filesystem is mounted, it's either remounted ro before being
2438 # checked or it's unmounted and then remounted
2441 # If set, we remount ro instead of unmounting for fsck
2444 _umount_or_remount_ro()
2448 echo "Usage: _umount_or_remount_ro <device>" 1>&2
2453 local mountpoint=`_is_dev_mounted $device`
2455 if [ $USE_REMOUNT -eq 0 ]; then
2456 $UMOUNT_PROG $device
2463 _mount_or_remount_rw()
2465 if [ $# -ne 3 ]; then
2466 echo "Usage: _mount_or_remount_rw <opts> <dev> <mnt>" 1>&2
2473 if [ $USE_REMOUNT -eq 0 ]; then
2474 if [ "$FSTYP" != "overlay" ]; then
2475 _mount -t $FSTYP $mount_opts $device $mountpoint
2477 _overlay_mount $device $mountpoint
2479 if [ $? -ne 0 ]; then
2480 _dump_err "!!! failed to remount $device on $mountpoint"
2490 # Check a generic filesystem in no-op mode; this assumes that the
2491 # underlying fsck program accepts "-n" for a no-op (check-only) run,
2492 # and that it will still return an errno for corruption in this mode.
2494 # Filesystems which don't support this will need to define their
2495 # own check routine.
2497 _check_generic_filesystem()
2501 # If type is set, we're mounted
2502 local type=`_fs_type $device`
2505 if [ "$type" = "$FSTYP" ]
2508 local mountpoint=`_umount_or_remount_ro $device`
2511 fsck -t $FSTYP $FSCK_OPTIONS $device >$tmp.fsck 2>&1
2514 _log_err "_check_generic_filesystem: filesystem on $device is inconsistent"
2515 echo "*** fsck.$FSTYP output ***" >>$seqres.full
2516 cat $tmp.fsck >>$seqres.full
2517 echo "*** end fsck.$FSTYP output" >>$seqres.full
2525 echo "*** mount output ***" >>$seqres.full
2526 _mount >>$seqres.full
2527 echo "*** end mount output" >>$seqres.full
2528 elif [ "$type" = "$FSTYP" ]
2531 _mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
2535 if [ $ok -eq 0 ]; then
2537 if [ "$iam" != "check" ]; then
2546 # Filter the knowen errors the UDF Verifier reports.
2547 _udf_test_known_error_filter()
2549 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."
2553 _check_udf_filesystem()
2555 [ "$DISABLE_UDF_TEST" == "1" ] && return
2557 if [ $# -ne 1 -a $# -ne 2 ]
2559 echo "Usage: _check_udf_filesystem device [last_block]" 1>&2
2563 if [ ! -x $here/src/udf_test ]
2565 echo "udf_test not installed, please download and build the Philips"
2566 echo "UDF Verification Software from http://www.extra.research.philips.com/udf/."
2567 echo "Then copy the udf_test binary to $here/src/."
2568 echo "If you do not wish to run udf_test then set environment variable DISABLE_UDF_TEST"
2575 if [ $# -eq 2 ]; then
2576 opt_arg="-lastvalidblock $(( $2 - 1 ))"
2579 rm -f $seqres.checkfs
2580 sleep 1 # Due to a problem with time stamps in udf_test
2581 $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | egrep "Error|Warning" | \
2582 _udf_test_known_error_filter | \
2583 egrep -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
2584 echo "Warning UDF Verifier reported errors see $seqres.checkfs." && return 1
2595 # no way to check consistency for nfs
2598 # no way to check consistency for cifs
2601 # no way to check consistency for 9p
2604 # no way to check consistency for CephFS
2607 # no way to check consistency for GlusterFS
2610 _check_overlay_test_fs
2615 # do nothing for now
2618 _check_btrfs_filesystem $TEST_DEV
2621 # no way to check consistency for tmpfs
2624 # there is no fsck program for ubifs yet
2627 _check_generic_filesystem $TEST_DEV
2634 local device=$SCRATCH_DEV
2635 [ $# -eq 1 ] && device=$1
2639 local scratch_log="none"
2640 local scratch_rt="none"
2641 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
2642 scratch_log="$SCRATCH_LOGDEV"
2644 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
2645 scratch_rt="$SCRATCH_RTDEV"
2647 _check_xfs_filesystem $device $scratch_log $scratch_rt
2650 _check_udf_filesystem $device $udf_fsize
2653 # Don't know how to check an NFS filesystem, yet.
2656 # Don't know how to check a CIFS filesystem, yet.
2659 # no way to check consistency for 9p
2662 # no way to check consistency for CephFS
2665 # no way to check consistency for GlusterFS
2668 _check_overlay_scratch_fs
2673 _check_btrfs_filesystem $device
2676 # no way to check consistency for tmpfs
2679 # there is no fsck program for ubifs yet
2682 _check_generic_filesystem $device
2687 _full_fstyp_details()
2689 [ -z "$FSTYP" ] && FSTYP=xfs
2690 if [ $FSTYP = xfs ]; then
2691 if [ -d /proc/fs/xfs ]; then
2692 if grep -q 'debug 0' /proc/fs/xfs/stat; then
2693 FSTYP="$FSTYP (non-debug)"
2694 elif grep -q 'debug 1' /proc/fs/xfs/stat; then
2695 FSTYP="$FSTYP (debug)"
2698 if uname -a | grep -qi 'debug'; then
2699 FSTYP="$FSTYP (debug)"
2701 FSTYP="$FSTYP (non-debug)"
2708 _full_platform_details()
2711 local host=`hostname -s`
2712 local kernel=`uname -r`
2713 local platform=`uname -m`
2714 echo "$os/$platform $host $kernel"
2719 if [ "`uname`" == "Linux" ]; then
2722 echo Unknown operating system: `uname`
2727 _link_out_file_named()
2730 local suffix=$(FEATURES="$features" perl -e '
2732 my $feature, $result, $suffix, $opts;
2734 foreach $feature (split(/,/, $ENV{"FEATURES"})) {
2735 $feathash{$feature} = 1;
2737 $result = "default";
2742 ($opts, $suffix) = split(/ *: */);
2743 foreach my $opt (split(/,/, $opts)) {
2744 if (!exists($feathash{$opt})) {
2757 ln -fs $(basename $1).$suffix $1
2764 if [ $# -eq 0 ]; then
2765 features="$(_get_os_name)"
2766 if [ -n "$MOUNT_OPTIONS" ]; then
2767 features=$features,${MOUNT_OPTIONS##"-o "}
2773 _link_out_file_named $seqfull.out "$features"
2782 # convert urandom incompressible data to compressible text data
2785 od /dev/urandom | dd iflag=fullblock ${*}
2788 #takes files, randomdata
2796 if [ $size -gt 0 ]; then
2797 if [ "$2" == "false" ]; then
2798 dd if=/dev/zero of=$file bs=1024 count=$size 2>&1 | _filter_dd
2799 elif [ "$2" == "comp" ]; then
2800 _ddt of=$file bs=1024 count=$size 2>&1 | _filter_dd
2802 dd if=/dev/urandom of=$file bs=1024 count=$size 2>&1 | _filter_dd
2809 # takes dirname, depth, randomdata
2812 local dirname=$1 depth=$2 randomdata=$3
2813 mkdir $dirname || die "mkdir $dirname failed"
2816 _nfiles $files $randomdata # files for this dir and data type
2818 [ $depth -eq 0 ] && return
2819 local deep=$(( depth - 1 )) # go 1 down
2821 [ $verbose = true ] && echo "descending, depth from leaves = $deep"
2824 while [ $d -lt $dirs ]
2826 _descend d$d $deep &
2832 # Populate a filesystem with inodes for performance experiments
2834 # usage: populate [-v] [-n ndirs] [-f nfiles] [-d depth] [-r root] [-s size] [-x]
2839 local dirs=5 # ndirs in each subdir till leaves
2840 local size=0 # sizeof files in K
2841 local files=100 # num files in _each_ subdir
2842 local depth=2 # depth of tree from root to leaves
2844 local root=root # path of initial root of directory tree
2845 local randomdata=false # -x data type urandom, zero or compressible
2849 while getopts "d:f:n:r:s:v:x:c" c
2858 x) randomdata=true;;
2859 c) randomdata=comp;;
2863 _descend $root $depth $randomdata
2868 [ $verbose = true ] && echo done
2871 # query whether the given file has the given inode flag set
2878 if $XFS_IO_PROG -r -c 'lsattr -v' "$file" | grep -q "$flag" ; then
2884 # query the given files extsize allocator hint in bytes (if any)
2891 blocks=`$XFS_IO_PROG -r -c 'stat' "$file" | \
2892 awk '/^xattr.extsize =/ { print $3 }'`
2893 [ -z "$blocks" ] && blocks="0"
2897 # scratch_dev_pool should contain the disks pool for the btrfs raid
2898 _require_scratch_dev_pool()
2903 if [ -z "$SCRATCH_DEV_POOL" ]; then
2904 _notrun "this test requires a valid \$SCRATCH_DEV_POOL"
2907 if [ -z "$1" ]; then
2913 # btrfs test case needs ndevs or more scratch_dev_pool; other FS not sure
2917 if [ "`echo $SCRATCH_DEV_POOL|wc -w`" -lt $ndevs ]; then
2918 _notrun "btrfs and this test needs $ndevs or more disks in SCRATCH_DEV_POOL"
2922 _notrun "dev_pool is not supported by fstype \"$FSTYP\""
2926 for i in $SCRATCH_DEV_POOL; do
2927 if [ "`_is_block_dev "$i"`" = "" ]; then
2928 _notrun "this test requires valid block disk $i"
2930 if [ "`_is_block_dev "$i"`" = "`_is_block_dev "$TEST_DEV"`" ]; then
2931 _notrun "$i is part of TEST_DEV, this test requires unique disks"
2933 if _mount | grep -q $i; then
2934 if ! $UMOUNT_PROG $i; then
2935 echo "failed to unmount $i - aborting"
2939 # to help better debug when something fails, we remove
2940 # traces of previous btrfs FS on the dev.
2941 dd if=/dev/zero of=$i bs=4096 count=100 > /dev/null 2>&1
2945 # ensure devices in SCRATCH_DEV_POOL are of the same size
2946 # must be called after _require_scratch_dev_pool
2947 _require_scratch_dev_pool_equal_size()
2953 # SCRATCH_DEV has been set to the first device in SCRATCH_DEV_POOL
2954 size=`_get_device_size $SCRATCH_DEV`
2955 for dev in $SCRATCH_DEV_POOL; do
2956 newsize=`_get_device_size $dev`
2957 if [ $size -ne $newsize ]; then
2958 _notrun "This test requires devices in SCRATCH_DEV_POOL have the same size"
2963 # We will check if the device is deletable
2964 _require_deletable_scratch_dev_pool()
2968 for i in $SCRATCH_DEV_POOL; do
2969 x=`echo $i | cut -d"/" -f 3`
2970 if [ ! -f /sys/class/block/${x}/device/delete ]; then
2971 _notrun "$i is a device which is not deletable"
2976 # Check that fio is present, and it is able to execute given jobfile
2981 _require_command "$FIO_PROG" fio
2982 if [ -z "$1" ]; then
2986 $FIO_PROG --warnings-fatal --showcmd $job >> $seqres.full 2>&1
2987 [ $? -eq 0 ] || _notrun "$FIO_PROG too old, see $seqres.full"
2990 # Does freeze work on this fs?
2993 xfs_freeze -f "$TEST_DIR" >/dev/null 2>&1
2995 xfs_freeze -u "$TEST_DIR" >/dev/null 2>&1
2996 [ $result -eq 0 ] || _notrun "$FSTYP does not support freezing"
2999 # Does NFS export work on this fs?
3002 _require_test_program "open_by_handle"
3003 mkdir -p "$TEST_DIR"/exportfs_test
3004 $here/src/open_by_handle -c "$TEST_DIR"/exportfs_test 2>&1 \
3005 || _notrun "$FSTYP does not support NFS export"
3009 # Does shutdown work on this fs?
3010 _require_scratch_shutdown()
3012 [ -x src/godown ] || _notrun "src/godown executable not found"
3014 _scratch_mkfs > /dev/null 2>&1 || _notrun "_scratch_mkfs failed on $SCRATCH_DEV"
3017 if [ $FSTYP = "overlay" ]; then
3018 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
3019 # In lagacy overlay usage, it may specify directory as
3020 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
3021 # will be null, so check OVL_BASE_SCRATCH_DEV before
3022 # running shutdown to avoid shutting down base fs accidently.
3023 _notrun "$SCRATCH_DEV is not a block device"
3025 src/godown -f $OVL_BASE_SCRATCH_MNT 2>&1 \
3026 || _notrun "Underlying filesystem does not support shutdown"
3029 src/godown -f $SCRATCH_MNT 2>&1 \
3030 || _notrun "$FSTYP does not support shutdown"
3036 # Does dax mount option work on this dev/fs?
3037 _require_scratch_dax()
3040 _scratch_mkfs > /dev/null 2>&1
3041 _try_scratch_mount -o dax || \
3042 _notrun "mount $SCRATCH_DEV with dax failed"
3043 # Check options to be sure. XFS ignores dax option
3044 # and goes on if dev underneath does not support dax.
3045 _fs_options $SCRATCH_DEV | grep -qw "dax" || \
3046 _notrun "$SCRATCH_DEV $FSTYP does not support -o dax"
3050 # Does norecovery support by this fs?
3051 _require_norecovery()
3053 _try_scratch_mount -o ro,norecovery || \
3054 _notrun "$FSTYP does not support norecovery"
3058 # Does this filesystem support metadata journaling?
3059 # We exclude ones here that don't; otherwise we assume that it does, so the
3060 # test will run, fail, and motivate someone to update this test for a new
3063 # It's possible that TEST_DEV and SCRATCH_DEV have different features (it'd be
3064 # odd, but possible) so check $TEST_DEV by default, but we can optionall pass
3066 _require_metadata_journaling()
3075 ext2|vfat|msdos|udf)
3076 _notrun "$FSTYP does not support metadata journaling"
3079 # ext4 could be mkfs'd without a journal...
3081 $DUMPE2FS_PROG -h $dev 2>&1 | grep -q has_journal || \
3082 _notrun "$FSTYP on $dev not configured with metadata journaling"
3083 # ext4 might not load a journal
3084 _exclude_scratch_mount_option "noload"
3087 # metadata journaling check is based on base filesystem configurations
3088 # and because -overlay option saves those configurations to OVL_BASE_*,
3089 # adding restore/override the configurations before/after the check.
3090 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
3091 _overlay_config_restore
3092 _require_metadata_journaling
3093 _overlay_config_override
3095 _notrun "No metadata journaling support for legacy overlay setup"
3099 # by default we pass; if you need to, add your fs above!
3106 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep -v hole | wc -l
3111 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep hole | wc -l
3114 _count_attr_extents()
3116 $XFS_IO_PROG -c "fiemap -a" $1 | tail -n +2 | grep -v hole | wc -l
3119 # arg 1 is dev to remove and is output of the below eg.
3120 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3126 echo 1 > /sys/class/scsi_device/${lun}/device/delete || _fail "Remove disk failed"
3128 stat $disk > /dev/null 2>&1
3129 while [ $? -eq 0 ]; do
3131 stat $disk > /dev/null 2>&1
3135 # arg 1 is dev to add and is output of the below eg.
3136 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3141 # arg 1 will be in h:t:d:l format now in the h and "t d l" format
3142 h=`echo ${1} | cut -d":" -f 1`
3143 tdl=`echo ${1} | cut -d":" -f 2-|sed 's/:/ /g'`
3145 echo ${tdl} > /sys/class/scsi_host/host${h}/scan || _fail "Add disk failed"
3147 # ensure the device comes online
3148 local dev_back_oneline=0
3150 for i in `seq 1 10`; do
3151 if [ -d /sys/class/scsi_device/${1}/device/block ]; then
3152 local dev=`ls /sys/class/scsi_device/${1}/device/block`
3154 for j in `seq 1 10`;
3156 stat /dev/$dev > /dev/null 2>&1
3157 if [ $? -eq 0 ]; then
3168 if [ $dev_back_oneline -eq 0 ]; then
3169 echo "/dev/$dev online failed" >> $seqres.full
3171 echo "/dev/$dev is back online" >> $seqres.full
3177 if [ -z "$FSTRIM_PROG" ]; then
3178 _notrun "This test requires fstrim utility."
3182 _require_batched_discard()
3184 if [ $# -ne 1 ]; then
3185 echo "Usage: _require_batched_discard mnt_point" 1>&2
3189 $FSTRIM_PROG $1 > /dev/null 2>&1 || _notrun "FITRIM not supported on $1"
3194 if [ -z "$DUMPE2FS_PROG" ]; then
3195 _notrun "This test requires dumpe2fs utility."
3201 if [ ! -e /proc/self/uid_map ]; then
3202 _notrun "This test requires procfs uid_map support."
3204 if [ ! -e /proc/self/gid_map ]; then
3205 _notrun "This test requires procfs gid_map support."
3211 FSSUM_PROG=$here/src/fssum
3212 [ -x $FSSUM_PROG ] || _notrun "fssum not built"
3217 CLONER_PROG=$here/src/cloner
3218 [ -x $CLONER_PROG ] || \
3219 _notrun "cloner binary not present at $CLONER_PROG"
3222 # Normalize mount options from global $MOUNT_OPTIONS
3223 # Convert options like "-o opt1,opt2 -oopt3" to
3225 _normalize_mount_options()
3227 echo $MOUNT_OPTIONS | sed -n 's/-o\s*\(\S*\)/\1/gp'| sed 's/,/ /g'
3230 # skip test if MOUNT_OPTIONS contains the given strings
3231 _exclude_scratch_mount_option()
3233 local mnt_opts=$(_normalize_mount_options)
3235 while [ $# -gt 0 ]; do
3236 if echo $mnt_opts | grep -qw "$1"; then
3237 _notrun "mount option \"$1\" not allowed in this test"
3245 _exclude_scratch_mount_option "noatime"
3246 if [ "$FSTYP" == "nfs" ]; then
3247 _notrun "atime related mount options have no effect on NFS"
3253 _scratch_mkfs > /dev/null 2>&1
3254 _try_scratch_mount -o relatime || \
3255 _notrun "relatime not supported by the current kernel"
3261 [ -x src/nsexec ] || _notrun "src/nsexec executable not found"
3262 src/nsexec -U true 2>/dev/null || _notrun "userns not supported by this kernel"
3265 _create_loop_device()
3268 dev=`losetup -f --show $file` || _fail "Cannot assign $file to a loop device"
3272 _destroy_loop_device()
3275 losetup -d $dev || _fail "Cannot destroy loop device $dev"
3278 _scale_fsstress_args()
3281 while [ $# -gt 0 ]; do
3283 -n) args="$args $1 $(($2 * $TIME_FACTOR))"; shift ;;
3284 -p) args="$args $1 $(($2 * $LOAD_FACTOR))"; shift ;;
3285 *) args="$args $1" ;;
3293 # Return the logical block size if running on a block device,
3294 # else substitute the page size.
3296 _min_dio_alignment()
3300 if [ -b "$dev" ]; then
3301 blockdev --getss $dev
3303 $here/src/feature -s
3309 echo "# $@" >> $seqres.full 2>&1
3310 "$@" >> $seqres.full 2>&1 || _fail "failed: '$@'"
3313 _require_test_symlinks()
3315 local target=`mktemp -p $TEST_DIR`
3316 local link=`mktemp -p $TEST_DIR -u`
3317 ln -s `basename $target` $link
3318 if [ "$?" -ne 0 ]; then
3320 _notrun "Require symlinks support"
3325 _require_test_fcntl_advisory_locks()
3327 [ "$FSTYP" != "cifs" ] && return 0
3328 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -q "nobrl" && return 0
3329 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -qE "nounix|forcemand" && \
3330 _notrun "Require fcntl advisory locks support"
3333 _require_ofd_locks()
3335 # Give a test run by getlk wrlck on testfile.
3336 # If the running kernel does not support OFD locks,
3337 # EINVAL will be returned.
3338 _require_test_program "t_ofd_locks"
3339 touch $TEST_DIR/ofd_testfile
3340 src/t_ofd_locks -t $TEST_DIR/ofd_testfile > /dev/null 2>&1
3341 [ $? -eq 22 ] && _notrun "Require OFD locks support"
3344 _require_test_lsattr()
3346 local testio=$(lsattr -d $TEST_DIR 2>&1)
3347 echo $testio | grep -q "Operation not supported" && \
3348 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3349 echo $testio | grep -q "Inappropriate ioctl for device" && \
3350 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3355 if [ -z "$1" ]; then
3356 echo "Usage: _require_chattr <attr>"
3361 touch $TEST_DIR/syscalltest
3362 chattr "+$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3364 chattr "-$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3365 if [ "$ret" -ne 0 ]; then
3366 _notrun "file system doesn't support chattr +$attribute"
3368 cat $TEST_DIR/syscalltest.out >> $seqres.full
3369 rm -f $TEST_DIR/syscalltest.out
3374 if [ -z "$1" ]; then
3375 echo "Usage: _get_total_inode <mnt>"
3379 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $3}'`
3385 if [ -z "$1" ]; then
3386 echo "Usage: _get_used_inode <mnt>"
3390 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $4}'`
3394 _get_used_inode_percent()
3396 if [ -z "$1" ]; then
3397 echo "Usage: _get_used_inode_percent <mnt>"
3401 pct_inode=`$DF_PROG -i $1 | tail -1 | awk '{ print $6 }' | \
3408 if [ -z "$1" ]; then
3409 echo "Usage: _get_free_inode <mnt>"
3413 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $5}'`
3417 # get the available space in bytes
3419 _get_available_space()
3421 if [ -z "$1" ]; then
3422 echo "Usage: _get_available_space <mnt>"
3426 avail_kb=`$DF_PROG $1 | tail -n1 | awk '{ print $5 }'`
3427 echo $((avail_kb * 1024))
3430 # return device size in kb
3433 grep `_short_dev $1` /proc/partitions | awk '{print $3}'
3436 # Make sure we actually have dmesg checking set up.
3437 _require_check_dmesg()
3439 test -w /dev/kmsg || \
3440 _notrun "Test requires writable /dev/kmsg."
3443 # Return the dmesg log since the start of this test. Caller must ensure that
3444 # /dev/kmsg was writable when the test was started so that we can find the
3445 # beginning of this test's log messages; _require_check_dmesg does this.
3446 _dmesg_since_test_start()
3448 # search the dmesg log of last run of $seqnum for possible failures
3449 # use sed \cregexpc address type, since $seqnum contains "/"
3450 dmesg | tac | sed -ne "0,\#run fstests $seqnum at $date_time#p" | \
3454 # check dmesg log for a specific string, subject to the same requirements as
3455 # _dmesg_since_test_start.
3458 _dmesg_since_test_start | egrep -q "$1"
3461 # check dmesg log for WARNING/Oops/etc.
3464 if [ ! -f ${RESULT_DIR}/check_dmesg ]; then
3467 rm -f ${RESULT_DIR}/check_dmesg
3469 # default filter is a simple cat command, caller could provide a
3470 # customized filter and pass the name through the first argument, to
3471 # filter out intentional WARNINGs or Oopses
3472 local filter=${1:-cat}
3474 _dmesg_since_test_start | $filter >$seqres.dmesg
3475 egrep -q -e "kernel BUG at" \
3479 -e "possible recursive locking detected" \
3480 -e "Internal error" \
3481 -e "(INFO|ERR): suspicious RCU usage" \
3482 -e "INFO: possible circular locking dependency detected" \
3483 -e "general protection fault:" \
3484 -e "BUG .* remaining" \
3487 if [ $? -eq 0 ]; then
3488 _dump_err "_check_dmesg: something found in dmesg (see $seqres.dmesg)"
3496 # capture the kmemleak report
3499 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3500 local leak_file="$1"
3502 # Tell the kernel to scan for memory leaks. Apparently the write
3503 # returns before the scan is complete, so do it twice in the hopes
3504 # that twice is enough to capture all the leaks.
3505 echo "scan" > "$kern_knob"
3506 cat "$kern_knob" > /dev/null
3507 echo "scan" > "$kern_knob"
3508 cat "$kern_knob" > "$leak_file.tmp"
3509 if [ -s "$leak_file.tmp" ]; then
3510 cat > "$leak_file" << ENDL
3511 EXPERIMENTAL kmemleak reported some memory leaks! Due to the way kmemleak
3512 works, the leak might be from an earlier test, or something totally unrelated.
3514 cat "$leak_file.tmp" >> "$leak_file"
3516 rm -rf "$leak_file.tmp"
3517 echo "clear" > "$kern_knob"
3523 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3525 if [ ! -w "$kern_knob" ]; then
3529 # Disable the automatic scan so that we can control it completely,
3530 # then dump all the leaks recorded so far.
3531 echo "scan=off" > "$kern_knob"
3532 _capture_kmemleak /dev/null
3535 # check kmemleak log
3538 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3539 local leak_file="${seqres}.kmemleak"
3541 if [ ! -w "$kern_knob" ]; then
3545 # Capture and report any leaks
3546 _capture_kmemleak "$leak_file"
3547 if [ -s "$leak_file" ]; then
3548 _dump_err "_check_kmemleak: something found in kmemleak (see $leak_file)"
3556 # don't check dmesg log after test
3557 _disable_dmesg_check()
3559 rm -f ${RESULT_DIR}/check_dmesg
3564 # make some further configuration checks here
3565 if [ "$TEST_DEV" = "" ]
3567 echo "common/rc: Error: \$TEST_DEV is not set"
3571 # if $TEST_DEV is not mounted, mount it now as XFS
3572 if [ -z "`_fs_type $TEST_DEV`" ]
3574 # $TEST_DEV is not mounted
3577 echo "common/rc: retrying test device mount with external set"
3578 [ "$USE_EXTERNAL" != "yes" ] && export USE_EXTERNAL=yes
3581 echo "common/rc: could not mount $TEST_DEV on $TEST_DIR"
3587 # Sanity check that TEST partition is not mounted at another mount point
3588 # or as another fs type
3589 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR $FSTYP || exit 1
3590 if [ -n "$SCRATCH_DEV" ]; then
3591 # Sanity check that SCRATCH partition is not mounted at another
3592 # mount point, because it is about to be unmounted and formatted.
3593 # Another fs type for scratch is fine (bye bye old fs type).
3594 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
3595 [ $? -le 1 ] || exit 1
3598 # Figure out if we need to add -F ("foreign", deprecated) option to xfs_io
3599 $XFS_IO_PROG -c stat $TEST_DIR 2>&1 | grep -q "is not on an XFS filesystem" && \
3600 export XFS_IO_PROG="$XFS_IO_PROG -F"
3602 # xfs_io -i option starts an idle thread for xfs_io.
3603 # With single threaded process, the file table is not shared
3604 # and file structs are not reference counted.
3605 # Spawning an idle thread can help detecting file struct
3606 # reference leaks, so we want to enable the option whenever
3608 $XFS_IO_PROG -i -c quit 2>/dev/null && \
3609 export XFS_IO_PROG="$XFS_IO_PROG -i"
3611 # xfs_copy on v5 filesystems do not require the "-d" option if xfs_db
3612 # can change the UUID on v5 filesystems
3613 if [ "$FSTYP" == "xfs" ]; then
3615 $MKFS_XFS_PROG -d file,name=/tmp/$$.img,size=512m >/dev/null 2>&1
3616 # xfs_db will return 0 even if it can't generate a new uuid, so
3617 # check the output to make sure if it can change UUID of V5 xfs
3618 $XFS_DB_PROG -x -c "uuid generate" /tmp/$$.img \
3619 | grep -q "invalid UUID\|supported on V5 fs" \
3620 && export XFS_COPY_PROG="$XFS_COPY_PROG -d"
3625 # get real device path name by following link
3629 if [ -b "$dev" ] && [ -L "$dev" ]; then
3630 dev=`readlink -f "$dev"`
3635 # basename of a device
3638 echo `basename $(_real_dev $1)`
3643 local dev=`_real_dev $1`
3644 local maj=$(stat -c%t $dev | tr [:lower:] [:upper:])
3645 local min=$(stat -c%T $dev | tr [:lower:] [:upper:])
3646 maj=$(echo "ibase=16; $maj" | bc)
3647 min=$(echo "ibase=16; $min" | bc)
3648 echo /sys/dev/block/$maj:$min
3651 # Get the minimum block size of a file. Usually this is the
3652 # minimum fs block size, but some filesystems (ocfs2) do block
3653 # mappings in larger units.
3654 _get_file_block_size()
3656 if [ -z $1 ] || [ ! -d $1 ]; then
3657 echo "Missing mount point argument for _get_file_block_size"
3660 if [ "$FSTYP" = "ocfs2" ]; then
3667 # Get the minimum block size of an fs.
3670 if [ -z $1 ] || [ ! -d $1 ]; then
3671 echo "Missing mount point argument for _get_block_size"
3679 echo $(getconf PAGE_SIZE)
3686 local args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"`
3687 set -- $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk
3688 echo "$@" >>$seqres.full
3689 rm -f $TEST_DIR/junk
3690 "$@" 2>&1 | tee -a $seqres.full >$tmp.fsx
3691 if [ ${PIPESTATUS[0]} -ne 0 ]; then
3699 # Test for the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
3701 # Only one argument is needed:
3702 # - attr: path name under /sys/fs/$FSTYP/DEV
3705 # _require_fs_sysfs error/fail_at_unmount
3709 local dname=$(_short_dev $TEST_DEV)
3711 if [ -z "$attr" -o -z "$dname" ];then
3712 _fail "Usage: _require_fs_sysfs <sysfs_attr_path>"
3715 if [ ! -e /sys/fs/${FSTYP}/${dname}/${attr} ];then
3716 _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
3722 $here/src/stat_test --check-statx ||
3723 _notrun "This test requires the statx system call"
3726 # Write "content" into /sys/fs/$FSTYP/$DEV/$ATTR
3728 # All arguments are necessary, and in this order:
3729 # - dev: device name, e.g. $SCRATCH_DEV
3730 # - attr: path name under /sys/fs/$FSTYP/$dev
3731 # - content: the content of $attr
3734 # _set_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount 0
3735 _set_fs_sysfs_attr()
3743 if [ ! -b "$dev" -o -z "$attr" -o -z "$content" ];then
3744 _fail "Usage: _set_fs_sysfs_attr <mounted_device> <attr> <content>"
3747 local dname=$(_short_dev $dev)
3748 echo "$content" > /sys/fs/${FSTYP}/${dname}/${attr}
3751 # Print the content of /sys/fs/$FSTYP/$DEV/$ATTR
3753 # All arguments are necessary, and in this order:
3754 # - dev: device name, e.g. $SCRATCH_DEV
3755 # - attr: path name under /sys/fs/$FSTYP/$dev
3758 # _get_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
3759 _get_fs_sysfs_attr()
3764 if [ ! -b "$dev" -o -z "$attr" ];then
3765 _fail "Usage: _get_fs_sysfs_attr <mounted_device> <attr>"
3768 local dname=$(_short_dev $dev)
3769 cat /sys/fs/${FSTYP}/${dname}/${attr}
3772 # Generic test for specific filesystem feature.
3773 # Currently only implemented to test overlayfs features.
3774 _require_scratch_feature()
3780 _require_scratch_overlay_features ${feature}
3783 _fail "Test for feature '${feature}' of ${FSTYP} is not implemented"
3788 # The maximum filesystem label length, /not/ including terminating NULL
3799 _notrun "$FSTYP does not define maximum label length"
3804 # Helper to check above early in a script
3805 _require_label_get_max()
3807 # Just call _label_get_max which will notrun if appropriate
3808 dummy=$(_label_get_max)
3813 ################################################################################
3814 # make sure this script returns success