2 # SPDX-License-Identifier: GPL-2.0+
3 # Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
7 BC=$(which bc 2> /dev/null) || BC=
12 _notrun "this test requires 'bc' tool for doing math operations"
18 [ $# -le 0 ] && return
19 LANG=C echo "scale=0; $@" | "$BC" -q 2> /dev/null
24 command dd --help 2>&1 | grep noxfer >/dev/null
27 command dd status=noxfer $@
33 # Prints the md5 checksum of a given file
36 md5sum $1 | cut -d ' ' -f1
39 # Write a byte into a range of a file
45 local xfs_io_args="$5"
47 $XFS_IO_PROG $xfs_io_args -f -c "pwrite -S $pattern $offset $len" "$file"
50 # mmap-write a byte into a range of a file
58 $XFS_IO_PROG -f -c "mmap -rw 0 $mmap_len" -c "mwrite -S $pattern $offset $len" "$file"
61 # ls -l w/ selinux sometimes puts a dot at the end:
62 # -rwxrw-r--. id1 id2 file1
63 # Also filter out lost+found directory on extN file system if present
67 ls -l $* | sed "s/\(^[-rwxdlbcpsStT]*\)\. /\1 /" | grep -v 'lost+found'
91 echo "$_err_msg" | tee -a $seqres.full
92 echo "(see $seqres.full for details)"
95 # make sure we have a standard umask
98 # check for correct setup and source the $FSTYP specific functions now
101 [ "$XFS_LOGPRINT_PROG" = "" ] && _fatal "xfs_logprint not found"
102 [ "$XFS_REPAIR_PROG" = "" ] && _fatal "xfs_repair not found"
103 [ "$XFS_DB_PROG" = "" ] && _fatal "xfs_db not found"
104 [ "$MKFS_XFS_PROG" = "" ] && _fatal "mkfs_xfs not found"
105 [ "$XFS_INFO_PROG" = "" ] && _fatal "xfs_info not found"
110 [ "$MKFS_UDF_PROG" = "" ] && _fatal "mkfs_udf/mkudffs not found"
113 [ "$MKFS_BTRFS_PROG" = "" ] && _fatal "mkfs.btrfs not found"
118 [ "$MKFS_EXT4_PROG" = "" ] && _fatal "mkfs.ext4 not found"
121 [ "$MKFS_F2FS_PROG" = "" ] && _fatal "mkfs.f2fs not found"
139 [ "$MKFS_REISER4_PROG" = "" ] && _fatal "mkfs.reiser4 not found"
144 [ "$UBIUPDATEVOL_PROG" = "" ] && _fatal "ubiupdatevol not found"
148 if [ ! -z "$REPORT_LIST" ]; then
158 # Get hugepagesize in bytes
161 local hugepgsz=$(awk '/Hugepagesize/ {print $2}' /proc/meminfo)
162 # Call _notrun if $hugepgsz is not a number
163 echo "$hugepgsz" | egrep -q ^[0-9]+$ || \
164 _notrun "Cannot get the value of Hugepagesize"
165 echo $((hugepgsz * 1024))
170 $MOUNT_PROG `_mount_ops_filter $*`
173 # Call _mount to do mount operation but also save mountpoint to
174 # MOUNTED_POINT_STACK. Note that the mount point must be the last parameter
177 local mnt_point=${!#}
178 local mnt_dev=${@:(-2):1}
179 local scratch_opts=""
180 if [ "$mnt_dev" = "$SCRATCH_DEV" ]; then
181 _scratch_options mount
182 scratch_opts="$SCRATCH_OPTIONS"
185 _mount $scratch_opts $*
186 if [ $? -eq 0 ]; then
187 # mount --move operation updates the mountpoint, so remove
188 # the old one and insert the new one
189 if [[ "$*" =~ --move|-M ]]; then
190 MOUNTED_POINT_STACK=`echo $MOUNTED_POINT_STACK | \
193 MOUNTED_POINT_STACK="$mnt_point $MOUNTED_POINT_STACK"
199 # Unmount the last mounted mountpoint in MOUNTED_POINT_STACK
200 # and return it to caller
203 local last_mnt=`echo $MOUNTED_POINT_STACK | awk '{print $1}'`
205 if [ -n "$last_mnt" ]; then
206 $UMOUNT_PROG $last_mnt
208 MOUNTED_POINT_STACK=`echo $MOUNTED_POINT_STACK | cut -d\ -f2-`
211 # Unmount all mountpoints in MOUNTED_POINT_STACK and clear the stack
214 if [ -n "$MOUNTED_POINT_STACK" ]; then
215 $UMOUNT_PROG $MOUNTED_POINT_STACK
217 MOUNTED_POINT_STACK=""
227 if [ "$FSTYP" != "xfs" ]; then
233 SCRATCH_OPTIONS="$SCRATCH_OPTIONS -f"
242 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
243 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${rt_opt}rtdev=$SCRATCH_RTDEV"
244 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
245 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${log_opt}logdev=$SCRATCH_LOGDEV"
255 if [ "$FSTYP" != "xfs" ]; then
269 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_RTDEV" ] && \
270 TEST_OPTIONS="$TEST_OPTIONS ${rt_opt}rtdev=$TEST_RTDEV"
271 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
272 TEST_OPTIONS="$TEST_OPTIONS ${log_opt}logdev=$TEST_LOGDEV"
278 local last_index=$(( $# - 1 ))
280 [ $last_index -gt 0 ] && shift $last_index
284 $PERL_PROG -ne "s#mtpt=[^,|^\n|^\s]*#mtpt=$fs_escaped\1\2#; print;"
288 # Used for mounting non-scratch devices (e.g. loop, dm constructs)
289 # with the safe set of scratch mount options (e.g. loop image may be
290 # hosted on $SCRATCH_DEV, so can't use external scratch devices).
291 _common_dev_mount_options()
293 echo $MOUNT_OPTIONS $SELINUX_MOUNT_OPTIONS $*
296 _scratch_mount_options()
298 _scratch_options mount
300 echo `_common_dev_mount_options $*` $SCRATCH_OPTIONS \
301 $SCRATCH_DEV $SCRATCH_MNT
308 local fstyp=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $2}'`
311 $XFS_INFO_PROG $dir | grep -q "ftype=1"
314 local dev=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $1}'`
315 tune2fs -l $dev | grep -q filetype
318 local testfile=$dir/$$.ftype
320 # look for DT_UNKNOWN files
321 local unknowns=$($here/src/t_dir_type $dir u | wc -l)
323 # 0 unknowns is success
329 # mount scratch device with given options but don't check mount status
332 if [ "$FSTYP" == "overlay" ]; then
333 _overlay_scratch_mount $*
336 _mount -t $FSTYP `_scratch_mount_options $*`
339 # mount scratch device with given options and _fail if mount fails
342 _try_scratch_mount $* || _fail "mount failed"
345 _scratch_mount_idmapped()
350 if [ "$type" = "u" ]; then
351 # This means root will be able to create files as uid %id in
352 # the underlying filesystem by going through the idmapped mount.
353 $here/src/idmapped-mounts/mount-idmapped --map-mount u:0:$id:1 \
354 --map-mount u:$id:0:1 \
355 --map-mount g:0:0:1 \
356 "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
357 elif [ "$type" = "g" ]; then
358 # This means root will be able to create files as gid %id in
359 # the underlying filesystem by going through the idmapped mount.
360 $here/src/idmapped-mounts/mount-idmapped --map-mount g:0:$id:1 \
361 --map-mount g:$id:0:1 \
362 --map-mount u:0:0:1 \
363 "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
364 elif [ "$type" = "b" ]; then
365 # This means root will be able to create files as uid and gid
366 # %id in the underlying filesystem by going through the idmapped mount.
367 $here/src/idmapped-mounts/mount-idmapped --map-mount b:0:$id:1 \
368 --map-mount b:$id:0:1 \
369 "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
371 _fail "usage: either \"u\" (uid), \"g\" (gid), or \"b\" (uid and gid) must be specified "
379 _overlay_scratch_unmount
382 $UMOUNT_PROG $SCRATCH_MNT
385 $UMOUNT_PROG $SCRATCH_DEV
390 _scratch_umount_idmapped()
392 $UMOUNT_PROG $SCRATCH_MNT
399 if test -n "$opts"; then
400 _try_scratch_mount "-o remount,$opts"
404 _scratch_cycle_mount()
408 if [ "$FSTYP" = tmpfs ]; then
409 _scratch_remount "$opts"
412 if test -n "$opts"; then
416 _try_scratch_mount "$opts" || _fail "cycle mount failed"
421 if [ $FSTYP = "overlay" ]; then
422 # In lagacy overlay usage, it may specify directory as
423 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
424 # will be null, so check OVL_BASE_SCRATCH_DEV before
425 # running shutdown to avoid shutting down base fs accidently.
426 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
427 _fail "_scratch_shutdown: call _require_scratch_shutdown first in test"
429 $here/src/godown $* $OVL_BASE_SCRATCH_MNT
432 $here/src/godown $* $SCRATCH_MNT
436 # Return a file path that can be used to shut down the scratch filesystem.
437 # Caller should _require_scratch_shutdown before using this.
438 _scratch_shutdown_handle()
440 if [ $FSTYP = "overlay" ]; then
441 echo $OVL_BASE_SCRATCH_MNT
449 if [ "$FSTYP" == "overlay" ]; then
450 _overlay_test_mount $*
454 _mount -t $FSTYP $TEST_OPTIONS $TEST_FS_MOUNT_OPTS $SELINUX_MOUNT_OPTIONS $* $TEST_DEV $TEST_DIR
459 if [ "$FSTYP" == "overlay" ]; then
460 _overlay_test_unmount
462 $UMOUNT_PROG $TEST_DEV
468 if [ "$FSTYP" = tmpfs ]; then
475 _scratch_mkfs_options()
477 _scratch_options mkfs
478 echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV
481 # Do the actual mkfs work on SCRATCH_DEV. Firstly mkfs with both MKFS_OPTIONS
482 # and user specified mkfs options, if that fails (due to conflicts between mkfs
483 # options), do a second mkfs with only user provided mkfs options.
485 # First param is the mkfs command without any mkfs options and device.
486 # Second param is the filter to remove unnecessary messages from mkfs stderr.
487 # Other extra mkfs options are followed.
493 local extra_mkfs_options=$*
495 local tmp=`mktemp -u`
497 # save mkfs output in case conflict means we need to run again.
498 # only the output for the mkfs that applies should be shown
499 eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
500 2>$tmp.mkfserr 1>$tmp.mkfsstd
503 # a mkfs failure may be caused by conflicts between $MKFS_OPTIONS and
504 # $extra_mkfs_options
505 if [ $mkfs_status -ne 0 -a -n "$extra_mkfs_options" ]; then
507 echo -n "** mkfs failed with extra mkfs options "
508 echo "added to \"$MKFS_OPTIONS\" by test $seq **"
509 echo -n "** attempting to mkfs using only test $seq "
510 echo "options: $extra_mkfs_options **"
513 # running mkfs again. overwrite previous mkfs output files
514 eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
515 2>$tmp.mkfserr 1>$tmp.mkfsstd
519 # output stored mkfs output, filtering unnecessary output from stderr
521 eval "cat $tmp.mkfserr | $mkfs_filter" >&2
523 rm -f $tmp.mkfserr $tmp.mkfsstd
527 _setup_large_ext4_fs()
532 [ "$LARGE_SCRATCH_DEV" != yes ] && return 0
533 [ -z "$SCRATCH_DEV_EMPTY_SPACE" ] && SCRATCH_DEV_EMPTY_SPACE=0
534 [ $SCRATCH_DEV_EMPTY_SPACE -ge $fs_size ] && return 0
536 # Default free space in the FS is 50GB, but you can specify more via
537 # SCRATCH_DEV_EMPTY_SPACE
538 local space_to_consume=$(($fs_size - 50*1024*1024*1024 - $SCRATCH_DEV_EMPTY_SPACE))
540 # mount the filesystem and create 16TB - 4KB files until we consume
541 # all the necessary space.
542 _try_scratch_mount 2>&1 >$tmp_dir/mnt.err
544 if [ $status -ne 0 ]; then
546 cat $tmp_dir/mnt.err >&2
547 rm -f $tmp_dir/mnt.err
550 rm -f $tmp_dir/mnt.err
552 local file_size=$((16*1024*1024*1024*1024 - 4096))
554 while [ $space_to_consume -gt $file_size ]; do
557 -c "truncate $file_size" \
558 -c "falloc -k 0 $file_size" \
559 $SCRATCH_MNT/.use_space.$nfiles 2>&1
561 if [ $status -ne 0 ]; then
565 space_to_consume=$(( $space_to_consume - $file_size ))
566 nfiles=$(($nfiles + 1))
569 # consume the remaining space.
570 if [ $space_to_consume -gt 0 ]; then
572 -c "truncate $space_to_consume" \
573 -c "falloc -k 0 $space_to_consume" \
574 $SCRATCH_MNT/.use_space.$nfiles 2>&1
577 export NUM_SPACE_FILES=$nfiles
580 if [ $status -ne 0 ]; then
581 echo "large file prealloc failed"
582 cat $tmp_dir/mnt.err >&2
590 local mkfs_cmd="$MKFS_EXT4_PROG -F"
591 local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \" | grep -v \"^$\""
592 local tmp=`mktemp -u`
595 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
596 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
597 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
599 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
602 if [ $mkfs_status -eq 0 -a "$LARGE_SCRATCH_DEV" = yes ]; then
603 # manually parse the mkfs output to get the fs size in bytes
604 local fs_size=`cat $tmp.mkfsstd | awk ' \
605 /^Block size/ { split($2, a, "="); bs = a[2] ; } \
606 / inodes, / { blks = $3 } \
607 /reserved for the super user/ { resv = $1 } \
608 END { fssize = bs * blks - resv; print fssize }'`
610 _setup_large_ext4_fs $fs_size
614 # output mkfs stdout and stderr
617 rm -f $tmp.mkfserr $tmp.mkfsstd
626 local compressopt="$3"
628 test -n "$E2IMAGE_PROG" || _fail "e2image not installed"
629 $E2IMAGE_PROG -Q "$device" "$dumpfile"
630 [ "$compressopt" = "compress" ] && [ -n "$DUMP_COMPRESSOR" ] &&
631 $DUMP_COMPRESSOR -f "$dumpfile" &>> "$seqres.full"
641 # do nothing for cifs
647 # do nothing for virtiofs
650 # do nothing for ceph
653 # do nothing for glusterfs
656 # do nothing for overlay
659 # do nothing for pvfs2
662 $MKFS_UDF_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
665 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
668 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* $TEST_DEV
671 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* $TEST_DEV
678 local tmp=`mktemp -u`
687 # do nothing for virtiofs
690 # do nothing for overlay
693 # do nothing for pvfs2
696 $MKFS_UDF_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
699 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
702 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* \
703 2>$tmp.mkfserr 1>$tmp.mkfsstd
706 $MKFS_PROG -t $FSTYP -- -f $MKFS_OPTIONS $* \
707 2>$tmp.mkfserr 1>$tmp.mkfsstd
710 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* \
711 2>$tmp.mkfserr 1>$tmp.mkfsstd
715 if [ $? -ne 0 ]; then
716 # output stored mkfs output
722 rm -f $tmp.mkfserr $tmp.mkfsstd
725 # remove all files in $SCRATCH_MNT, useful when testing on NFS/CIFS
726 _scratch_cleanup_files()
730 # Avoid rm -rf /* if we messed up
731 [ -n "$OVL_BASE_SCRATCH_MNT" ] || return 1
732 _overlay_base_scratch_mount || return 1
733 rm -rf $OVL_BASE_SCRATCH_MNT/* || return 1
734 _overlay_mkdirs $OVL_BASE_SCRATCH_MNT
735 # leave base fs mouted so tests can setup lower/upper dir files
738 [ -n "$SCRATCH_MNT" ] || return 1
740 rm -rf $SCRATCH_MNT/*
753 nfs*|cifs|ceph|overlay|glusterfs|pvfs2|9p|virtiofs)
754 # unable to re-create this fstyp, just remove all files in
755 # $SCRATCH_MNT to avoid EEXIST caused by the leftover files
756 # created in previous runs
757 _scratch_cleanup_files
761 # do nothing for tmpfs
765 # erase the UBI volume; reformated automatically on next mount
766 $UBIUPDATEVOL_PROG ${SCRATCH_DEV} -t
770 _scratch_mkfs_ext4 $*
778 mkfs_cmd="$MKFS_UDF_PROG"
782 mkfs_cmd="$MKFS_BTRFS_PROG"
786 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
787 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
789 # put journal on separate device?
790 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
791 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
792 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
795 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
796 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
799 mkfs_cmd="$MKFS_F2FS_PROG"
803 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
804 mkfs_filter="grep -v -e ^mkfs\.ocfs2"
807 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
812 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $*
816 # Helper function to get a spare or replace-target device from
817 # configured SCRATCH_DEV_POLL, must call _scratch_dev_pool_get()
818 # before _spare_dev_get(). Replace-target-device/Spare-device will
819 # be assigned to SPARE_DEV.
820 # As of now only one replace-target-device/spare-device can be
824 # _scratch_dev_pool_get() <ndevs>
828 # _scratch_dev_pool_put()
832 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
833 if [ $? -ne 0 ]; then
834 _fail "Bug: unset val, must call _scratch_dev_pool_get before _spare_dev_get"
837 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
838 _fail "Bug: str empty, must call _scratch_dev_pool_get before _spare_dev_get"
841 # Check if the spare is already assigned
842 typeset -p SPARE_DEV >/dev/null 2>&1
843 if [ $? -eq 0 ]; then
844 if [ ! -z "$SPARE_DEV" ]; then
845 _fail "Bug: SPARE_DEV = $SPARE_DEV already assigned"
849 local ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
850 local config_ndevs=`echo $SCRATCH_DEV_POOL_SAVED| wc -w`
852 if [ $ndevs -eq $config_ndevs ]; then
853 _notrun "All devs used no spare"
855 # Get a dev that is not used
856 local -a devs="( $SCRATCH_DEV_POOL_SAVED )"
857 SPARE_DEV=${devs[@]:$ndevs:1}
863 typeset -p SPARE_DEV >/dev/null 2>&1
864 if [ $? -ne 0 ]; then
865 _fail "Bug: unset val, must call _spare_dev_get before its put"
868 if [ -z "$SPARE_DEV" ]; then
869 _fail "Bug: str empty, must call _spare_dev_get before its put"
876 # Generally test cases will have..
877 # _require_scratch_dev_pool X
878 # to make sure it has the enough scratch devices including
879 # replace-target and spare device. Now arg1 here is the
880 # required number of scratch devices by a-test-case excluding
881 # the replace-target and spare device. So this function will
882 # set SCRATCH_DEV_POOL to the specified number of devices.
885 # _scratch_dev_pool_get() <ndevs>
888 # _scratch_dev_pool_put()
890 _scratch_dev_pool_get()
892 if [ $# -ne 1 ]; then
893 _fail "Usage: _scratch_dev_pool_get ndevs"
897 local config_ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
898 local -a devs="( $SCRATCH_DEV_POOL )"
900 typeset -p config_ndevs >/dev/null 2>&1
901 if [ $? -ne 0 ]; then
902 _fail "Bug: cant find SCRATCH_DEV_POOL ndevs"
905 if [ $config_ndevs -lt $test_ndevs ]; then
906 _notrun "Need at least test requested number of ndevs $test_ndevs"
909 SCRATCH_DEV_POOL_SAVED=${SCRATCH_DEV_POOL}
910 export SCRATCH_DEV_POOL_SAVED
911 SCRATCH_DEV_POOL=${devs[@]:0:$test_ndevs}
912 export SCRATCH_DEV_POOL
915 _scratch_dev_pool_put()
917 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
918 if [ $? -ne 0 ]; then
919 _fail "Bug: unset val, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
922 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
923 _fail "Bug: str empty, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
926 export SCRATCH_DEV_POOL=$SCRATCH_DEV_POOL_SAVED
927 export SCRATCH_DEV_POOL_SAVED=""
934 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $SCRATCH_DEV_POOL > /dev/null
937 echo "_scratch_pool_mkfs is not implemented for $FSTYP" 1>&2
942 # Return the amount of free memory available on the system
945 free -b | grep ^Mem | awk '{print $4}'
948 _available_memory_bytes()
950 nf=`free -b | grep ^Mem | awk '{print NF}'`
951 if [[ nf -lt 7 ]]; then
952 # Doesn't have available field. Fallback.
955 free -b | grep ^Mem | awk '{print $7}'
959 # Create fs of certain size on scratch device
960 # _scratch_mkfs_sized <size in bytes> [optional blocksize]
961 _scratch_mkfs_sized()
969 def_blksz=`echo $MKFS_OPTIONS | sed -rn 's/.*-b ?size= ?+([0-9]+).*/\1/p'`
971 ext2|ext3|ext4|ext4dev|udf|btrfs|reiser4|ocfs2|reiserfs)
972 def_blksz=`echo $MKFS_OPTIONS | sed -rn 's/.*-b ?+([0-9]+).*/\1/p'`
979 [ -n "$def_blksz" ] && blocksize=$def_blksz
980 [ -z "$blocksize" ] && blocksize=4096
983 if ! [[ $fssize =~ $re ]] ; then
984 _notrun "error: _scratch_mkfs_sized: fs size \"$fssize\" not an integer."
986 if ! [[ $blocksize =~ $re ]] ; then
987 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
990 local blocks=`expr $fssize / $blocksize`
992 if [ -b "$SCRATCH_DEV" ]; then
993 local devsize=`blockdev --getsize64 $SCRATCH_DEV`
994 [ "$fssize" -gt "$devsize" ] && _notrun "Scratch device too small"
997 if [ "$FSTYP" = "xfs" ] && [ -b "$SCRATCH_RTDEV" ]; then
998 local rtdevsize=`blockdev --getsize64 $SCRATCH_RTDEV`
999 [ "$fssize" -gt "$rtdevsize" ] && _notrun "Scratch rt device too small"
1000 rt_ops="-r size=$fssize"
1005 # don't override MKFS_OPTIONS that set a block size.
1006 echo $MKFS_OPTIONS |egrep -q "b?size="
1007 if [ $? -eq 0 ]; then
1008 _scratch_mkfs_xfs -d size=$fssize $rt_ops
1010 _scratch_mkfs_xfs -d size=$fssize $rt_ops -b size=$blocksize
1013 ext2|ext3|ext4|ext4dev)
1014 ${MKFS_PROG} -t $FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
1017 # mkfs.gfs2 doesn't automatically shrink journal files on small
1018 # filesystems, so the journal files may end up being bigger than the
1019 # filesystem, which will cause mkfs.gfs2 to fail. Until that's fixed,
1020 # shrink the journal size to at most one eigth of the filesystem and at
1021 # least 8 MiB, the minimum size allowed.
1022 local min_journal_size=8
1023 local default_journal_size=128
1024 if (( fssize/8 / (1024*1024) < default_journal_size )); then
1025 local journal_size=$(( fssize/8 / (1024*1024) ))
1026 (( journal_size >= min_journal_size )) || journal_size=$min_journal_size
1027 MKFS_OPTIONS="-J $journal_size $MKFS_OPTIONS"
1029 ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV $blocks
1032 yes | ${MKFS_PROG} -t $FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
1035 $MKFS_UDF_PROG $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
1039 # minimum size that's needed without the mixed option.
1040 # Ref: btrfs-prog: btrfs_min_dev_size()
1041 # Non mixed mode is also the default option.
1042 (( fssize < $((256 * 1024 *1024)) )) && mixed_opt='--mixed'
1043 $MKFS_BTRFS_PROG $MKFS_OPTIONS $mixed_opt -b $fssize $SCRATCH_DEV
1046 ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS $SCRATCH_DEV $blocks
1049 ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
1052 # mkfs.resier4 requires size in KB as input for creating filesystem
1053 $MKFS_REISER4_PROG $MKFS_OPTIONS -y -b $blocksize $SCRATCH_DEV \
1054 `expr $fssize / 1024`
1057 # mkfs.f2fs requires # of sectors as an input for the size
1058 local sector_size=`blockdev --getss $SCRATCH_DEV`
1059 $MKFS_F2FS_PROG $MKFS_OPTIONS $SCRATCH_DEV `expr $fssize / $sector_size`
1062 local free_mem=`_free_memory_bytes`
1063 if [ "$free_mem" -lt "$fssize" ] ; then
1064 _notrun "Not enough memory ($free_mem) for tmpfs with $fssize bytes"
1066 export MOUNT_OPTIONS="-o size=$fssize $TMPFS_MOUNT_OPTIONS"
1069 $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS --fs_size=$fssize --block_size=$blocksize $SCRATCH_DEV
1072 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized"
1077 # Emulate an N-data-disk stripe w/ various stripe units
1078 # _scratch_mkfs_geom <sunit bytes> <swidth multiplier> [optional blocksize]
1079 _scratch_mkfs_geom()
1081 local sunit_bytes=$1
1082 local swidth_mult=$2
1084 [ -z "$blocksize" ] && blocksize=4096
1086 local sunit_blocks=$(( sunit_bytes / blocksize ))
1087 local swidth_blocks=$(( sunit_blocks * swidth_mult ))
1091 if echo "$MKFS_OPTIONS" | egrep -q "b?size="; then
1092 MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r "s/(b?size=)[0-9]+k?/\1$blocksize/")
1094 MKFS_OPTIONS+=" -b size=$blocksize"
1097 if echo "$MKFS_OPTIONS" | egrep -q "(su|sunit|sw|swidth)="; then
1098 MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r \
1099 -e "s/(su|sunit)=[0-9kmg]+/su=$sunit_bytes/" \
1100 -e "s/(sw|swidth)=[0-9kmg]+/sw=$swidth_mult/")
1102 MKFS_OPTIONS+=" -d su=$sunit_bytes,sw=$swidth_mult"
1106 MKFS_OPTIONS+=" -b $blocksize -E stride=$sunit_blocks,stripe_width=$swidth_blocks"
1109 _notrun "can't mkfs $FSTYP with geometry"
1115 # Create fs of certain blocksize on scratch device
1116 # _scratch_mkfs_blocksized blocksize
1117 _scratch_mkfs_blocksized()
1122 if ! [[ $blocksize =~ $re ]] ; then
1123 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
1128 test -f /sys/fs/btrfs/features/supported_sectorsizes || \
1129 _notrun "Subpage sectorsize support is not found in $FSTYP"
1131 grep -wq $blocksize /sys/fs/btrfs/features/supported_sectorsizes || \
1132 _notrun "$FSTYP does not support sectorsize=$blocksize yet"
1134 _scratch_mkfs --sectorsize=$blocksize
1137 _scratch_mkfs_xfs $MKFS_OPTIONS -b size=$blocksize
1140 ${MKFS_PROG} -t $FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV
1143 ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV
1146 yes | ${MKFS_PROG} -t $FSTYP -F $MKFS_OPTIONS -b $blocksize \
1147 -C $blocksize $SCRATCH_DEV
1150 ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS --block_size=$blocksize \
1154 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_blocksized"
1163 xfs_io -x -c "resblks $1" $SCRATCH_MNT
1171 # Repair scratch filesystem. Returns 0 if the FS is good to go (either no
1172 # errors found or errors were fixed) and nonzero otherwise; also spits out
1173 # a complaint on stderr if fsck didn't tell us that the FS is good to go.
1174 _repair_scratch_fs()
1178 _scratch_xfs_repair "$@" 2>&1
1180 if [ "$res" -ne 0 ]; then
1181 echo "xfs_repair returns $res; replay log?"
1184 if [ "$res" -gt 0 ]; then
1185 echo "mount returns $res; zap log?"
1186 _scratch_xfs_repair -L 2>&1
1187 echo "log zap returns $?"
1189 umount "$SCRATCH_MNT"
1191 _scratch_xfs_repair "$@" 2>&1
1194 if [ $res -ne 0 ]; then
1195 _dump_err2 "xfs_repair failed, err=$res"
1200 # With bcachefs, if fsck detects any errors we consider it a bug and we
1201 # want the test to fail:
1205 local dev=$SCRATCH_DEV
1207 if [ $FSTYP = "overlay" -a -n "$OVL_BASE_SCRATCH_DEV" ]; then
1208 _repair_overlay_scratch_fs
1209 # Fall through to repair base fs
1210 dev=$OVL_BASE_SCRATCH_DEV
1211 fstyp=$OVL_BASE_FSTYP
1212 $UMOUNT_PROG $OVL_BASE_SCRATCH_MNT
1214 # Let's hope fsck -y suffices...
1215 fsck -t $fstyp -y $dev 2>&1
1218 $FSCK_OK|$FSCK_NONDESTRUCT|$FSCK_REBOOT)
1222 _dump_err2 "fsck.$FSTYP failed, err=$res"
1234 echo "Usage: _get_pids_by_name process-name" 1>&2
1238 # Algorithm ... all ps(1) variants have a time of the form MM:SS or
1239 # HH:MM:SS before the psargs field, use this as the search anchor.
1241 # Matches with $1 (process-name) occur if the first psarg is $1
1242 # or ends in /$1 ... the matching uses sed's regular expressions,
1243 # so passing a regex into $1 will work.
1248 -e 's/[ ][ ]*/ /g' \
1251 -e "/[0-9]:[0-9][0-9] *[^ ]*\/$1 /s/ .*//p" \
1252 -e "/[0-9]:[0-9][0-9] *$1 /s/ .*//p"
1256 # _df_device : get an IRIX style df line for a given device
1258 # - returns "" if not mounted
1259 # - returns fs type in field two (ala IRIX)
1260 # - joins line together if split by fancy df formatting
1261 # - strips header etc
1268 echo "Usage: _df_device device" 1>&2
1272 # Note that we use "==" here so awk doesn't try to interpret an NFS over
1273 # IPv6 server as a regular expression.
1274 $DF_PROG 2>/dev/null | $AWK_PROG -v what=$1 '
1275 ($1==what) && (NF==1) {
1289 # _df_dir : get an IRIX style df line for device where a directory resides
1291 # - returns fs type in field two (ala IRIX)
1292 # - joins line together if split by fancy df formatting
1293 # - strips header etc
1300 echo "Usage: _df_dir device" 1>&2
1304 $DF_PROG $1 2>/dev/null | $AWK_PROG -v what=$1 '
1320 # return percentage used disk space for mounted device
1326 echo "Usage: _used device" 1>&2
1330 _df_device $1 | $AWK_PROG '{ sub("%", "") ; print $6 }'
1333 # return the FS type of a mounted device
1339 echo "Usage: _fs_type device" 1>&2
1344 # The Linux kernel shows NFSv4 filesystems in df output as
1345 # filesystem type nfs4, although we mounted it as nfs earlier.
1346 # Fix the filesystem type up here so that the callers don't
1347 # have to bother with this quirk.
1349 _df_device $1 | $AWK_PROG '{ print $2 }' | \
1350 sed -e 's/nfs4/nfs/' -e 's/fuse.glusterfs/glusterfs/'
1353 # return the FS mount options of a mounted device
1355 # should write a version which just parses the output of mount for IRIX
1356 # compatibility, but since this isn't used at all, at the moment I'll leave
1363 echo "Usage: _fs_options device" 1>&2
1367 $AWK_PROG -v dev=$1 '
1368 match($1,dev) { print $4 }
1372 # returns device number if a file is a block device
1378 echo "Usage: _is_block_dev dev" 1>&2
1383 if [ -L "$dev" ]; then
1384 dev=`readlink -f "$dev"`
1387 if [ -b "$dev" ]; then
1388 $here/src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1392 # returns device number if a file is a character device
1396 if [ $# -ne 1 ]; then
1397 echo "Usage: _is_char_dev dev" 1>&2
1402 if [ -L "$dev" ]; then
1403 dev=`readlink -f "$dev"`
1406 if [ -c "$dev" ]; then
1407 $here/src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1411 # Do a command, log it to $seqres.full, optionally test return status
1412 # and die if command fails. If called with one argument _do executes the
1413 # command, logs it, and returns its exit status. With two arguments _do
1414 # first prints the message passed in the first argument, and then "done"
1415 # or "fail" depending on the return status of the command passed in the
1416 # second argument. If the command fails and the variable _do_die_on_error
1417 # is set to "always" or the two argument form is used and _do_die_on_error
1418 # is set to "message_only" _do will print an error message to
1419 # $seqres.out and exit.
1423 if [ $# -eq 1 ]; then
1425 elif [ $# -eq 2 ]; then
1430 echo "Usage: _do [note] cmd" 1>&2
1434 (eval "echo '---' \"$cmd\"") >>$seqres.full
1435 (eval "$cmd") >$tmp._out 2>&1
1437 cat $tmp._out >>$seqres.full
1439 if [ $# -eq 2 ]; then
1440 if [ $ret -eq 0 ]; then
1447 && [ "$_do_die_on_error" = "always" \
1448 -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
1450 [ $# -ne 2 ] && echo
1451 eval "echo \"$cmd\" failed \(returned $ret\): see $seqres.full"
1458 # bail out, setting up .notrun file. Need to kill the filesystem check files
1459 # here, otherwise they are set incorrectly for the next test.
1463 echo "$*" > $seqres.notrun
1464 echo "$seq not run: $*"
1465 rm -f ${RESULT_DIR}/require_test*
1466 rm -f ${RESULT_DIR}/require_scratch*
1472 # just plain bail out
1476 echo "$*" | tee -a $seqres.full
1477 echo "(see $seqres.full for details)"
1482 # tests whether $FSTYP is one of the supported filesystems for a test
1490 if [ "$f" = "$FSTYP" -o "$f" = "generic" ]
1496 _notrun "not suitable for this filesystem type: $FSTYP"
1499 # check if a FS on a device is mounted
1500 # if so, verify that it is mounted on mount point
1501 # if fstype is given as argument, verify that it is also
1502 # mounted with correct fs type
1512 # find $dev as the source, and print result in "$dev $mnt" format
1513 local mount_rec=`findmnt -rncv -S $dev -o SOURCE,TARGET`
1514 [ -n "$mount_rec" ] || return 1 # 1 = not mounted
1516 # if it's mounted, make sure its on $mnt
1517 if [ "$mount_rec" != "$dev $mnt" ]; then
1518 echo "$devname=$dev is mounted but not on $mntname=$mnt - aborting"
1519 echo "Already mounted result:"
1521 return 2 # 2 = mounted on wrong mnt
1524 if [ -n "$type" -a "`_fs_type $dev`" != "$type" ]; then
1525 echo "$devname=$dev is mounted but not a type $type filesystem"
1526 # raw $DF_PROG cannot handle NFS/CIFS/overlay correctly
1528 return 3 # 3 = mounted as wrong type
1530 return 0 # 0 = mounted as expected
1533 # this test needs a scratch partition - check we're ok & unmount it
1534 # No post-test check of the device is required. e.g. the test intentionally
1535 # finishes the test with the filesystem in a corrupt state
1536 _require_scratch_nocheck()
1540 echo $SCRATCH_DEV | egrep -q ":/?" > /dev/null 2>&1
1541 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1542 _notrun "this test requires a valid \$SCRATCH_DEV"
1544 if [ ! -d "$SCRATCH_MNT" ]; then
1545 _notrun "this test requires a valid \$SCRATCH_MNT"
1549 if [ -z "$SCRATCH_DEV" ]; then
1550 _notrun "this test requires a valid \$SCRATCH_DEV"
1552 if [ ! -d "$SCRATCH_MNT" ]; then
1553 _notrun "this test requires a valid \$SCRATCH_MNT"
1557 echo $SCRATCH_DEV | grep -q ":/" > /dev/null 2>&1
1558 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1559 _notrun "this test requires a valid \$SCRATCH_DEV"
1561 if [ ! -d "$SCRATCH_MNT" ]; then
1562 _notrun "this test requires a valid \$SCRATCH_MNT"
1566 echo $SCRATCH_DEV | grep -q "://" > /dev/null 2>&1
1567 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1568 _notrun "this test requires a valid \$SCRATCH_DEV"
1570 if [ ! -d "$SCRATCH_MNT" ]; then
1571 _notrun "this test requires a valid \$SCRATCH_MNT"
1575 echo $SCRATCH_DEV | grep -q "//" > /dev/null 2>&1
1576 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1577 _notrun "this test requires a valid \$SCRATCH_DEV"
1579 if [ ! -d "$SCRATCH_MNT" ]; then
1580 _notrun "this test requires a valid \$SCRATCH_MNT"
1584 if [ -z "$OVL_BASE_SCRATCH_MNT" -o ! -d "$OVL_BASE_SCRATCH_MNT" ]; then
1585 _notrun "this test requires a valid \$OVL_BASE_SCRATCH_MNT as ovl base dir"
1587 # if $SCRATCH_MNT is derived from $OVL_BASE_SCRATCH_MNT then
1588 # don't check $SCRATCH_MNT dir here because base fs may not be mounted
1589 # and we will create the mount point anyway on _overlay_mount
1590 if [ "$SCRATCH_MNT" != "$OVL_BASE_SCRATCH_MNT/$OVL_MNT" -a ! -d "$SCRATCH_MNT" ]; then
1591 _notrun "this test requires a valid \$SCRATCH_MNT"
1595 if [ -z "$SCRATCH_DEV" -o ! -d "$SCRATCH_MNT" ];
1597 _notrun "this test requires a valid \$SCRATCH_MNT and unique \$SCRATCH_DEV"
1601 # ubifs needs an UBI volume. This will be a char device, not a block device.
1602 if [ ! -c "$SCRATCH_DEV" ]; then
1603 _notrun "this test requires a valid UBI volume for \$SCRATCH_DEV"
1605 if [ ! -d "$SCRATCH_MNT" ]; then
1606 _notrun "this test requires a valid \$SCRATCH_MNT"
1610 if [ -z "$SCRATCH_DEV" -o "`_is_block_dev "$SCRATCH_DEV"`" = "" ]
1612 _notrun "this test requires a valid \$SCRATCH_DEV"
1614 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1616 _notrun "this test requires a valid \$SCRATCH_DEV"
1618 if [ ! -d "$SCRATCH_MNT" ]
1620 _notrun "this test requires a valid \$SCRATCH_MNT"
1625 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
1627 [ $err -le 1 ] || exit 1
1630 # if it's mounted, unmount it
1631 if ! _scratch_unmount
1633 echo "failed to unmount $SCRATCH_DEV"
1637 rm -f ${RESULT_DIR}/require_scratch
1640 # we need the scratch device and it should be checked post test.
1643 _require_scratch_nocheck
1644 touch ${RESULT_DIR}/require_scratch
1647 # require a scratch dev of a minimum size (in kb)
1648 _require_scratch_size()
1650 [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
1653 local devsize=`_get_device_size $SCRATCH_DEV`
1654 [ $devsize -lt $1 ] && _notrun "scratch dev too small"
1657 # require a scratch dev of a minimum size (in kb) and should not be checked
1659 _require_scratch_size_nocheck()
1661 [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
1663 _require_scratch_nocheck
1664 local devsize=`_get_device_size $SCRATCH_DEV`
1665 [ $devsize -lt $1 ] && _notrun "scratch dev too small"
1668 # Require scratch fs which supports >16T of filesystem size.
1669 # _require_scratch must be called before this function is called.
1670 _require_scratch_16T_support()
1674 _notrun "$FSTYP doesn't support >16T filesystem"
1677 _scratch_mkfs >> $seqres.full 2>&1
1679 local blocksize=$(_get_block_size $SCRATCH_MNT)
1680 if [ $blocksize -lt 4096 ]; then
1681 _notrun "This test requires >16T fs support"
1690 # this test needs a test partition - check we're ok & mount it
1696 echo $TEST_DEV | egrep -q ":/?" > /dev/null 2>&1
1697 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1698 _notrun "this test requires a valid \$TEST_DEV"
1700 if [ ! -d "$TEST_DIR" ]; then
1701 _notrun "this test requires a valid \$TEST_DIR"
1705 if [ -z "$TEST_DEV" ]; then
1706 _notrun "this test requires a valid \$TEST_DEV"
1708 if [ ! -d "$TEST_DIR" ]; then
1709 _notrun "this test requires a valid \$TEST_DIR"
1713 echo $TEST_DEV | grep -q ":/" > /dev/null 2>&1
1714 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1715 _notrun "this test requires a valid \$TEST_DEV"
1717 if [ ! -d "$TEST_DIR" ]; then
1718 _notrun "this test requires a valid \$TEST_DIR"
1722 echo $TEST_DEV | grep -q "//" > /dev/null 2>&1
1723 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1724 _notrun "this test requires a valid \$TEST_DEV"
1726 if [ ! -d "$TEST_DIR" ]; then
1727 _notrun "this test requires a valid \$TEST_DIR"
1731 echo $TEST_DEV | grep -q "://" > /dev/null 2>&1
1732 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1733 _notrun "this test requires a valid \$TEST_DIR"
1735 if [ ! -d "$TEST_DIR" ]; then
1736 _notrun "this test requires a valid \$TEST_DIR"
1740 if [ -z "$OVL_BASE_TEST_DIR" -o ! -d "$OVL_BASE_TEST_DIR" ]; then
1741 _notrun "this test requires a valid \$TEST_DIR as ovl base dir"
1743 if [ ! -d "$TEST_DIR" ]; then
1744 _notrun "this test requires a valid \$TEST_DIR"
1748 if [ -z "$TEST_DEV" -o ! -d "$TEST_DIR" ];
1750 _notrun "this test requires a valid \$TEST_DIR and unique $TEST_DEV"
1754 # ubifs needs an UBI volume. This will be a char device, not a block device.
1755 if [ ! -c "$TEST_DEV" ]; then
1756 _notrun "this test requires a valid UBI volume for \$TEST_DEV"
1758 if [ ! -d "$TEST_DIR" ]; then
1759 _notrun "this test requires a valid \$TEST_DIR"
1763 if [ -z "$TEST_DEV" ] || [ "`_is_block_dev "$TEST_DEV"`" = "" ]
1765 _notrun "this test requires a valid \$TEST_DEV"
1767 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1769 _notrun "this test requires a valid \$TEST_DEV"
1771 if [ ! -d "$TEST_DIR" ]
1773 _notrun "this test requires a valid \$TEST_DIR"
1778 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR
1780 [ $err -le 1 ] || exit 1
1785 echo "!!! failed to mount $TEST_DEV on $TEST_DIR"
1789 touch ${RESULT_DIR}/require_test
1795 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && ret=1
1796 [ "$USE_EXTERNAL" != yes ] && ret=1
1801 # this test needs a logdev
1805 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && \
1806 _notrun "This test requires a valid \$SCRATCH_LOGDEV"
1807 [ "$USE_EXTERNAL" != yes ] && \
1808 _notrun "This test requires USE_EXTERNAL to be enabled"
1810 # ensure its not mounted
1811 $UMOUNT_PROG $SCRATCH_LOGDEV 2>/dev/null
1814 # this test requires loopback device support
1818 modprobe loop >/dev/null 2>&1
1819 if grep loop /proc/devices >/dev/null 2>&1
1823 _notrun "This test requires loopback device support"
1827 # this test requires kernel support for a secondary filesystem
1831 modprobe "$1" >/dev/null 2>&1
1832 grep -q -w "$1" /proc/filesystems ||
1833 _notrun "this test requires $1 support"
1836 # this test requires that (large) loopback device files are not in use
1838 _require_no_large_scratch_dev()
1840 [ "$LARGE_SCRATCH_DEV" = yes ] && \
1841 _notrun "Large filesystem testing in progress, skipped this test"
1844 # this test requires that a realtime subvolume is in use, and
1845 # that the kernel supports realtime as well.
1849 [ "$USE_EXTERNAL" = yes ] || \
1850 _notrun "External volumes not in use, skipped this test"
1851 [ "$SCRATCH_RTDEV" = "" ] && \
1852 _notrun "Realtime device required, skipped this test"
1855 # This test requires that a realtime subvolume is not in use
1857 _require_no_realtime()
1859 [ "$USE_EXTERNAL" = "yes" ] && [ -n "$SCRATCH_RTDEV" ] && \
1860 _notrun "Test not compatible with realtime subvolumes, skipped this test"
1863 # this test requires that a specified command (executable) exists
1864 # $1 - command, $2 - name for error message
1866 # Note: the command string might have parameters, so strip them before checking
1867 # whether it is executable.
1870 if [ $# -eq 2 ]; then
1872 elif [ $# -eq 1 ]; then
1875 _fail "usage: _require_command <command> [<name>]"
1878 local command=`echo "$1" | awk '{ print $1 }'`
1879 if [ ! -x "$command" ]; then
1880 _notrun "$name utility required, skipped this test"
1884 # this test requires the device to be valid block device
1886 _require_block_device()
1888 if [ -z "$1" ]; then
1889 echo "Usage: _require_block_device <dev>" 1>&2
1892 if [ "`_is_block_dev "$1"`" == "" ]; then
1893 _notrun "require $1 to be valid block disk"
1897 # this test requires a path to refere to a local block or character device
1899 _require_local_device()
1901 if [ -z "$1" ]; then
1902 echo "Usage: _require_local_device <dev>" 1>&2
1905 if [ "`_is_block_dev "$1"`" != "" ]; then
1908 if [ "`_is_char_dev "$1"`" != "" ]; then
1911 _notrun "require $1 to be local device"
1914 # brd based ram disks erase the device when they receive a flush command when no
1915 # active references are present. This causes problems for DM devices sitting on
1916 # top of brd devices as DM doesn't hold active references to the brd device.
1917 _require_sane_bdev_flush()
1919 echo $1 | grep -q "^/dev/ram[0-9]\+$"
1920 if [ $? -eq 0 ]; then
1921 _notrun "This test requires a sane block device flush"
1925 # this test requires a specific device mapper target
1926 _require_dm_target()
1930 # require SCRATCH_DEV to be a valid block device with sane BLKFLSBUF
1932 _require_block_device $SCRATCH_DEV
1933 _require_sane_bdev_flush $SCRATCH_DEV
1934 _require_command "$DMSETUP_PROG" dmsetup
1936 _normalize_mount_options | egrep -q "dax(=always| |$)" || \
1937 test -e "/sys/block/$(_short_dev $SCRATCH_DEV)/dax"
1938 if [ $? -eq 0 ]; then
1940 stripe|linear|log-writes)
1943 _notrun "Cannot run tests with DAX on $target devices."
1948 modprobe dm-$target >/dev/null 2>&1
1950 $DMSETUP_PROG targets 2>&1 | grep -q ^$target
1951 if [ $? -ne 0 ]; then
1952 _notrun "This test requires dm $target support"
1959 if [ -z $target ]; then
1960 echo "Usage: _zone_type <device>"
1963 local sdev=`_short_dev $target`
1965 if [ -e /sys/block/${sdev}/queue/zoned ]; then
1966 cat /sys/block/${sdev}/queue/zoned
1972 _require_zoned_device()
1975 if [ -z $target ]; then
1976 echo "Usage: _require_zoned_device <device>"
1980 local type=`_zone_type ${target}`
1981 if [ "${type}" = "none" ]; then
1982 _notrun "this test require zoned block device"
1986 _require_non_zoned_device()
1989 if [ -z $target ]; then
1990 echo "Usage: _require_non_zoned_device <device>"
1994 local type=`_zone_type ${target}`
1995 if [ "${type}" != "none" ]; then
1996 _notrun "this test require non-zoned block device"
2000 # this test requires the ext4 kernel support crc feature on scratch device
2002 _require_scratch_ext4_crc()
2004 _scratch_mkfs_ext4 >/dev/null 2>&1
2005 dumpe2fs -h $SCRATCH_DEV 2> /dev/null | grep -q metadata_csum || _notrun "metadata_csum not supported by this filesystem"
2006 _try_scratch_mount >/dev/null 2>&1 \
2007 || _notrun "Kernel doesn't support metadata_csum feature"
2011 # Check whether the specified feature whether it is supported by
2012 # mkfs.ext4 and the kernel.
2013 _require_scratch_ext4_feature()
2015 if [ -z "$1" ]; then
2016 echo "Usage: _require_scratch_ext4_feature feature"
2019 $MKFS_EXT4_PROG -F $MKFS_OPTIONS -O "$1" \
2020 $SCRATCH_DEV 512m >/dev/null 2>&1 \
2021 || _notrun "mkfs.ext4 doesn't support $1 feature"
2022 _try_scratch_mount >/dev/null 2>&1 \
2023 || _notrun "Kernel doesn't support the ext4 feature(s): $1"
2027 # this test requires that external log/realtime devices are not in use
2029 _require_nonexternal()
2031 [ "$USE_EXTERNAL" = yes ] && \
2032 _notrun "External device testing in progress, skipped this test"
2035 # this test requires that the kernel supports asynchronous I/O
2038 $here/src/feature -A
2043 _notrun "kernel does not support asynchronous I/O"
2046 _fail "unexpected error testing for asynchronous I/O support"
2051 # this test requires that a (specified) aio-dio executable exists
2052 # and that the kernel supports asynchronous I/O.
2053 # $1 - command (optional)
2059 AIO_TEST=$here/src/aio-dio-regress/aiodio_sparse2
2060 [ -x $AIO_TEST ] || _notrun "aio-dio utilities required"
2062 AIO_TEST=$here/src/aio-dio-regress/$1
2063 [ -x $AIO_TEST ] || _notrun "$AIO_TEST not built"
2069 # this test requires that the kernel supports IO_URING
2072 $here/src/feature -R
2077 _notrun "kernel does not support IO_URING"
2080 _fail "unexpected error testing for IO_URING support"
2085 # test whether the mount_setattr syscall is available
2086 _require_mount_setattr()
2088 $here/src/feature -r
2093 _notrun "kernel does not support mount_setattr syscall"
2096 _fail "unexpected error testing for mount_setattr support"
2101 # test whether idmapped mounts are supported
2102 _require_idmapped_mounts()
2104 IDMAPPED_MOUNTS_TEST=$here/src/idmapped-mounts/idmapped-mounts
2105 [ -x $IDMAPPED_MOUNTS_TEST ] || _notrun "idmapped-mounts utilities required"
2107 _require_mount_setattr
2109 $here/src/idmapped-mounts/idmapped-mounts --supported \
2110 --device "$TEST_DEV" \
2111 --mount "$TEST_DIR" \
2114 if [ $? -ne 0 ]; then
2115 _notrun "idmapped-mounts not support by $FSTYP"
2119 # this test requires that a test program exists under src/
2120 # $1 - command (require)
2122 _require_test_program()
2124 local prog=$here/src/$1
2125 [ -x $prog ] || _notrun "$prog not built"
2128 # run an aio-dio program
2134 echo "usage: _run_aiodio command_name" 2>&1
2140 local testtemp=$TEST_DIR/aio-testfile
2142 $AIO_TEST $testtemp 2>&1
2149 _require_timestamp_range()
2151 local device=${1:-$TEST_DEV}
2154 read tsmin tsmax <<<$(_filesystem_timestamp_range $device)
2155 if [ $tsmin -eq -1 -a $tsmax -eq -1 ]; then
2156 _notrun "filesystem $FSTYP timestamp bounds are unknown"
2159 # expect console warning from rw scratch mount if fs limit is near
2160 if [ $tsmax -le $((1<<31)) ] && \
2161 ! _check_dmesg_for "filesystem being mounted at .* supports timestamps until"
2163 _notrun "Kernel does not support timestamp limits"
2167 _filesystem_timestamp_range()
2169 local device=${1:-$TEST_DEV}
2170 local fstyp=${2:-$FSTYP}
2171 u32max=$(((1<<32)-1))
2173 s32max=$(((1<<31)-1))
2174 s64max=$(((1<<63)-1))
2179 echo "$s32min $s32max"
2182 if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
2183 printf "%d %d\n" $s32min 0x37fffffff
2185 echo "$s32min $s32max"
2193 _xfs_timestamp_range "$device"
2196 echo "$s64min $s64max"
2199 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
2200 _filesystem_timestamp_range $OVL_BASE_TEST_DEV $OVL_BASE_FSTYP
2211 # indicate whether YP/NIS is active or not
2216 dn=$(domainname 2>/dev/null)
2217 local ypcat=$(type -P ypcat)
2218 local rpcinfo=$(type -P rpcinfo)
2219 test -n "${dn}" -a "${dn}" != "(none)" -a "${dn}" != "localdomain" -a -n "${ypcat}" -a -n "${rpcinfo}" && \
2220 "${rpcinfo}" -p localhost 2>/dev/null | grep -q ypbind
2224 # cat the password file
2228 [ $(_yp_active) -eq 0 ] && ypcat passwd
2232 # cat the group file
2236 [ $(_yp_active) -eq 0 ] && ypcat group
2240 # check for a user on the machine, fsgqa as default
2248 _cat_passwd | grep -q $qa_user
2249 [ "$?" == "0" ] || _notrun "$qa_user user not defined."
2250 echo /bin/true | su $qa_user
2251 [ "$?" == "0" ] || _notrun "$qa_user cannot execute commands."
2254 # check for a chown support
2259 local file="$TEST_DIR/chown_testfile"
2263 chown ${rnd_uid}:${rnd_uid} $file >/dev/null 2>&1 \
2264 || _notrun "chown is not supported ${FSTYP}"
2268 # check for a chmod support
2269 # Since chmod sometimes fails silently actual functionality test is done
2273 local file="$TEST_DIR/chmod_testfile"
2278 # get original file mode
2279 local mode=`stat --format="0%a" $file`
2280 # flip the user's read bit
2282 chmod `printf '%o' "$mode"` $file
2283 # check that the chmod actually flipped the bit
2284 [ `stat --format="0%a" $file` == `printf '0%o' "$mode"` ] \
2285 || _notrun "chmod is not supported ${FSTYP}"
2288 # check for a group on the machine, fsgqa as default
2296 _cat_group | grep -q $qa_group
2297 [ "$?" == "0" ] || _notrun "$qa_group group not defined."
2303 s,.*Permission\sdenied.*,Permission denied,;
2304 s,.*no\saccess\sto\stty.*,,;
2305 s,.*no\sjob\scontrol\sin\sthis\sshell.*,,;
2312 echo $1 | su -s /bin/bash $qa_user 2>&1 | _filter_user_do
2315 _require_xfs_io_command()
2319 echo "Usage: _require_xfs_io_command command [switch]" 1>&2
2325 local param_checked=""
2329 local testfile=$TEST_DIR/$$.xfs_io
2333 # Test xfs_io lsattr support and filesystem FS_IOC_FSSETXATTR
2335 testio=`$XFS_IO_PROG -F -f -c "lsattr $param" $testfile 2>&1`
2336 param_checked="$param"
2339 local testdir=$TEST_DIR/$$.attr_dir
2340 mkdir $TEST_DIR/$$.attr_dir
2341 if [ -z "$param" ]; then
2344 # Test xfs_io chattr support AND
2345 # filesystem FS_IOC_FSSETXATTR support
2346 # 'tPnE' flags are only valid for a directory so check them on a directory.
2347 if echo "$param" | egrep -q 't|P|n|E'; then
2348 testio=`$XFS_IO_PROG -F -c "chattr +$param" $testdir 2>&1`
2349 attr_info=`$XFS_IO_PROG -F -r -c "lsattr" $testdir | awk '{print $1}'`
2350 $XFS_IO_PROG -F -r -c "chattr -$param" $testdir 2>&1
2352 testio=`$XFS_IO_PROG -F -f -c "chattr +$param" $testfile 2>&1`
2353 attr_info=`$XFS_IO_PROG -F -r -c "lsattr" $testfile | awk '{print $1}'`
2354 $XFS_IO_PROG -F -r -c "chattr -$param" $testfile 2>&1
2356 param_checked="+$param"
2357 rm -rf $testdir 2>&1 > /dev/null
2360 testio=`$XFS_IO_PROG -F -f -c "chproj 0" $testfile 2>&1`
2363 local testcopy=$TEST_DIR/$$.copy.xfs_io
2364 local copy_opts=$testfile
2365 if [ "$param" == "-f" ]; then
2366 # source file is the open destination file
2368 copy_opts="0 -d 4k -l 4k"
2370 $XFS_IO_PROG -F -f -c "pwrite 0 4k" $testfile > /dev/null 2>&1
2371 testio=`$XFS_IO_PROG -F -f -c "copy_range $param $copy_opts" $testcopy 2>&1`
2372 rm -f $testcopy > /dev/null 2>&1
2373 param_checked="$param"
2376 testio=`$XFS_IO_PROG -F -f -c "falloc $param 0 1m" $testfile 2>&1`
2377 param_checked="$param"
2379 "fpunch" | "fcollapse" | "zero" | "fzero" | "finsert" | "funshare")
2380 local blocksize=$(_get_block_size $TEST_DIR)
2381 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 $((5 * $blocksize))" \
2382 -c "fsync" -c "$command $blocksize $((2 * $blocksize))" \
2386 # If 'ranged' is passed as argument then we check to see if fiemap supports
2387 # ranged query params
2388 if echo "$param" | grep -q "ranged"; then
2389 param=$(echo "$param" | sed "s/ranged//")
2390 $XFS_IO_PROG -c "help fiemap" | grep -q "\[offset \[len\]\]"
2391 [ $? -eq 0 ] || _notrun "xfs_io $command ranged support is missing"
2393 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
2394 -c "fiemap -v $param" $testfile 2>&1`
2395 param_checked="$param"
2398 local testlink=$TEST_DIR/$$.link.xfs_io
2399 testio=`$XFS_IO_PROG -F -f -c "flink $testlink" $testfile 2>&1`
2400 rm -f $testlink > /dev/null 2>&1
2403 # Check O_TMPFILE support in xfs_io, kernel and fs
2404 testio=`$XFS_IO_PROG -T -c quit $TEST_DIR 2>&1`
2405 echo $testio | egrep -q "invalid option|Is a directory" && \
2406 _notrun "xfs_io $command support is missing"
2407 echo $testio | grep -q "Operation not supported" && \
2408 _notrun "O_TMPFILE is not supported"
2411 testio=`$XFS_IO_PROG -f -c "fsmap" $testfile 2>&1`
2412 echo $testio | grep -q "Inappropriate ioctl" && \
2413 _notrun "xfs_io $command support is missing"
2416 testio=`$XFS_IO_PROG -c "label" $TEST_DIR 2>&1`
2419 # -c "open $f" is broken in xfs_io <= 4.8. Along with the fix,
2420 # a new -C flag was introduced to execute one shot commands.
2421 # Check for -C flag support as an indication for the bug fix.
2422 testio=`$XFS_IO_PROG -F -f -C "open $testfile" $testfile 2>&1`
2423 echo $testio | grep -q "invalid option" && \
2424 _notrun "xfs_io $command support is missing"
2427 # -N (RWF_NOWAIT) only works with direct vectored I/O writes
2428 local pwrite_opts=" "
2429 if [ "$param" == "-N" ]; then
2431 pwrite_opts+="-V 1 -b 4k"
2433 testio=`$XFS_IO_PROG -f $opts -c \
2434 "pwrite $pwrite_opts $param 0 4k" $testfile 2>&1`
2435 param_checked="$pwrite_opts $param"
2438 testio=`$XFS_IO_PROG -x -c "$command probe" $TEST_DIR 2>&1`
2439 echo $testio | grep -q "Inappropriate ioctl" && \
2440 _notrun "xfs_io $command support is missing"
2443 testio=`$XFS_IO_PROG -f -c "utimes 0 0 0 0" $testfile 2>&1`
2447 testio=`$XFS_IO_PROG -c "syncfs" $testfile 2>&1`
2450 testio=`$XFS_IO_PROG -c "help $command" 2>&1`
2453 rm -f $testfile 2>&1 > /dev/null
2454 echo $testio | grep -q "not found" && \
2455 _notrun "xfs_io $command $param_checked support is missing"
2456 echo $testio | grep -q "Operation not supported\|Inappropriate ioctl" && \
2457 _notrun "xfs_io $command $param_checked failed (old kernel/wrong fs?)"
2458 echo $testio | grep -q "Invalid" && \
2459 _notrun "xfs_io $command $param_checked failed (old kernel/wrong fs/bad args?)"
2460 echo $testio | grep -q "foreign file active" && \
2461 _notrun "xfs_io $command $param_checked not supported on $FSTYP"
2462 echo $testio | grep -q "Function not implemented" && \
2463 _notrun "xfs_io $command $param_checked support is missing (missing syscall?)"
2464 echo $testio | grep -q "unknown flag" && \
2465 _notrun "xfs_io $command $param_checked support is missing (unknown flag)"
2467 [ -n "$param" ] || return
2469 if [ -z "$param_checked" ]; then
2470 $XFS_IO_PROG -c "help $command" | grep -E -q "^ $param ([a-zA-Z_]+ )?--" || \
2471 _notrun "xfs_io $command doesn't support $param"
2473 # xfs_io could result in "command %c not supported" if it was
2474 # built on kernels not supporting pwritev2() calls
2475 echo $testio | grep -q "\(invalid option\|not supported\)" && \
2476 _notrun "xfs_io $command doesn't support $param"
2479 # On XFS, ioctl(FSSETXATTR)(called by xfs_io -c "chattr") maskes off unsupported
2480 # or invalid flags silently so need to check these flags by extra ioctl(FSGETXATTR)
2481 # (called by xfs_io -c "lsattr").
2482 # The following URL explains why we don't change the behavior of XFS.
2483 # https://www.spinics.net/lists/linux-xfs/msg44725.html
2484 if [ -n "$attr_info" -a "$FSTYP" = "xfs" ]; then
2486 for i in $(seq 0 $((num-1))); do
2487 echo $attr_info | grep -q "${param:$i:1}" || \
2488 _notrun "xfs_io $command +${param:$i:1} support is missing (unknown flag in kernel)"
2493 # check that kernel and filesystem support direct I/O
2496 if [ $FSTYP = "ext4" ] || [ $FSTYP = "f2fs" ] ; then
2497 if echo "$MOUNT_OPTIONS" | grep -q "test_dummy_encryption"; then
2498 _notrun "$FSTYP encryption doesn't support O_DIRECT"
2501 if [ $FSTYP = "ext4" ] ; then
2502 if echo "$MOUNT_OPTIONS" | grep -q "data=journal"; then
2503 _notrun "ext4 data journaling doesn't support O_DIRECT"
2506 local testfile=$TEST_DIR/$$.direct
2507 $XFS_IO_PROG -F -f -d -c "pwrite 0 20k" $testfile > /dev/null 2>&1
2508 if [ $? -ne 0 ]; then
2509 _notrun "O_DIRECT is not supported"
2511 rm -f $testfile 2>&1 > /dev/null
2514 _format_swapfile() {
2521 # Swap files must be nocow on Btrfs.
2522 $CHATTR_PROG +C "$fname" > /dev/null 2>&1
2523 _pwrite_byte 0x61 0 "$sz" "$fname" >> $seqres.full
2524 # Ignore permission complaints on filesystems that don't support perms
2525 $MKSWAP_PROG "$fname" 2> >(grep -v 'insecure permission' >&2) >> $seqres.full
2531 # Ignore permission complaints on filesystems that don't support perms
2532 swapon "$fname" 2> >(grep -v "insecure permissions" >&2)
2535 # Check that the filesystem supports swapfiles
2536 _require_scratch_swapfile()
2539 _require_command "$MKSWAP_PROG" "mkswap"
2541 _scratch_mkfs >/dev/null 2>&1
2543 # With mounting SELinux context(e.g. system_u:object_r:root_t:s0),
2544 # standard mkswap tried to reset the type of default context to
2545 # swapfile_t if it's not swapfile_t, and then it failed and returned
2546 # ENOTSUP expectedly as we don't want to create any SELinux attr on
2547 # purpose. standard mkswap ignored this relabel error by commit
2548 # d97dc0e of util-linux, but it still reported the error before
2549 # commit d97dc0e. We mount swapfile context directly to skip the
2551 [ -n "$SELINUX_MOUNT_OPTIONS" ] && export \
2552 SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:swapfile_t:s0"
2556 # Minimum size for mkswap is 10 pages
2557 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
2559 # ext* has supported all variants of swap files since their
2560 # introduction, so swapon should not fail.
2563 if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
2564 if _check_s_dax "$SCRATCH_MNT/swap" 1 >/dev/null; then
2566 _notrun "swapfiles are not supported"
2569 _fail "swapon failed for $FSTYP"
2574 if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
2576 _notrun "swapfiles are not supported"
2581 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
2585 # Check that a fs has enough free space (in 1024b blocks)
2590 local blocks=$2 # in units of 1024
2591 local gb=$(( blocks / 1024 / 1024 ))
2593 local free_blocks=`df -kP $mnt | grep -v Filesystem | awk '{print $4}'`
2594 [ $free_blocks -lt $blocks ] && \
2595 _notrun "This test requires at least ${gb}GB free on $mnt to run"
2599 # Check if the filesystem supports sparse files.
2601 # Unfortunately there is no better way to do this than a manual black list.
2603 _require_sparse_files()
2607 _notrun "Sparse files not supported by this filesystem type: $FSTYP"
2616 #boot_params always present in debugfs
2617 [ -d "$DEBUGFS_MNT/boot_params" ] || _notrun "Debugfs not mounted"
2620 _require_fail_make_request()
2622 [ -f "$DEBUGFS_MNT/fail_make_request/probability" ] \
2623 || _notrun "$DEBUGFS_MNT/fail_make_request \
2624 not found. Seems that CONFIG_FAULT_INJECTION_DEBUG_FS kernel config option not enabled"
2627 # Disable extent zeroing for ext4 on the given device
2628 _ext4_disable_extent_zeroout()
2630 local dev=${1:-$TEST_DEV}
2631 local sdev=`_short_dev $dev`
2633 [ -f /sys/fs/ext4/$sdev/extent_max_zeroout_kb ] && \
2634 echo 0 >/sys/fs/ext4/$sdev/extent_max_zeroout_kb
2637 # The default behavior of SEEK_HOLE is to always return EOF.
2638 # Filesystems that implement non-default behavior return the offset
2639 # of holes with SEEK_HOLE. There is no way to query the filesystem
2640 # of which behavior it is implementing.
2641 # We use this whitelist FSTYP, to set expectation and avoid silent
2642 # regression of filesystem seek hole behavior.
2645 _fstyp_has_non_default_seek_data_hole()
2654 btrfs|ext4|xfs|cifs|f2fs|gfs2|ocfs2|tmpfs)
2658 # NFSv2 and NFSv3 only support default behavior of SEEK_HOLE,
2659 # while NFSv4 supports non-default behavior
2660 local nfsvers=`_df_device $TEST_DEV | $AWK_PROG '{ print $2 }'`
2661 [ "$nfsvers" = "nfs4" ]
2665 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
2666 _fstyp_has_non_default_seek_data_hole $OVL_BASE_FSTYP
2669 # Assume that base fs has default behavior
2674 # by default fstyp has default SEEK_HOLE behavior;
2675 # if your fs has non-default behavior, add it to whitelist above!
2681 # Run seek sanity test with predefined expectation for SEEK_DATA/HOLE behavior
2682 _run_seek_sanity_test()
2685 if _fstyp_has_non_default_seek_data_hole; then
2688 $here/src/seek_sanity_test $testseekargs $*
2691 # Check if the file system supports seek_data/hole
2692 _require_seek_data_hole()
2694 local dev=${1:-$TEST_DEV}
2695 local testfile=$TEST_DIR/$$.seek
2696 local testseek=`$here/src/seek_sanity_test -t $testfile 2>&1`
2698 rm -f $testfile &>/dev/null
2699 echo $testseek | grep -q "Kernel does not support" && \
2700 _notrun "File system does not support llseek(2) SEEK_DATA/HOLE"
2701 # Disable extent zeroing for ext4 as that change where holes are
2703 if [ "$FSTYP" = "ext4" ]; then
2704 _ext4_disable_extent_zeroout $dev
2710 _require_test_program "runas"
2715 "$here/src/runas" "$@"
2718 _require_richacl_prog()
2720 _require_command "$GETRICHACL_PROG" getrichacl
2721 _require_command "$SETRICHACL_PROG" setrichacl
2724 _require_scratch_richacl_xfs()
2726 _scratch_mkfs_xfs_supported -m richacl=1 >/dev/null 2>&1 \
2727 || _notrun "mkfs.xfs doesn't have richacl feature"
2728 _scratch_mkfs_xfs -m richacl=1 >/dev/null 2>&1
2729 _try_scratch_mount >/dev/null 2>&1 \
2730 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2734 _require_scratch_richacl_ext4()
2736 _scratch_mkfs -O richacl >/dev/null 2>&1 \
2737 || _notrun "can't mkfs $FSTYP with option -O richacl"
2738 _try_scratch_mount >/dev/null 2>&1 \
2739 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2743 _require_scratch_richacl_support()
2746 $GETFATTR_PROG -n system.richacl >/dev/null 2>&1 \
2747 || _notrun "this test requires richacl support on \$SCRATCH_DEV"
2751 _require_scratch_richacl()
2754 xfs) _require_scratch_richacl_xfs
2756 ext4) _require_scratch_richacl_ext4
2759 _require_scratch_richacl_support
2761 *) _notrun "this test requires richacl support on \$SCRATCH_DEV"
2766 _scratch_mkfs_richacl()
2769 xfs) _scratch_mkfs_xfs -m richacl=1
2771 ext4) _scratch_mkfs -O richacl
2779 # check if the given device is mounted, if so, return mount point
2783 local fstype=${2:-$FSTYP}
2785 if [ $# -lt 1 ]; then
2786 echo "Usage: _is_dev_mounted <device> [fstype]" 1>&2
2790 findmnt -rncv -S $dev -t $fstype -o TARGET | head -1
2793 # check if the given dir is a mount point, if so, return mount point
2794 _is_dir_mountpoint()
2797 local fstype=${2:-$FSTYP}
2799 if [ $# -lt 1 ]; then
2800 echo "Uasge: _is_dir_mountpoint <dir> [fstype]" 1>&2
2804 findmnt -rncv -t $fstype -o TARGET $dir | head -1
2807 # remount a FS to a new mode (ro or rw)
2813 echo "Usage: _remount device ro/rw" 1>&2
2819 if ! mount -o remount,$mode $device
2821 echo "_remount: failed to remount filesystem on $device as $mode"
2826 # Run the appropriate repair/check on a filesystem
2828 # if the filesystem is mounted, it's either remounted ro before being
2829 # checked or it's unmounted and then remounted
2832 # If set, we remount ro instead of unmounting for fsck
2835 _umount_or_remount_ro()
2839 echo "Usage: _umount_or_remount_ro <device>" 1>&2
2844 local mountpoint=`_is_dev_mounted $device`
2846 if [ $USE_REMOUNT -eq 0 ]; then
2847 $UMOUNT_PROG $device
2854 _mount_or_remount_rw()
2856 if [ $# -ne 3 ]; then
2857 echo "Usage: _mount_or_remount_rw <opts> <dev> <mnt>" 1>&2
2864 if [ $USE_REMOUNT -eq 0 ]; then
2865 if [ "$FSTYP" != "overlay" ]; then
2866 _mount -t $FSTYP $mount_opts $device $mountpoint
2868 _overlay_mount $device $mountpoint
2870 if [ $? -ne 0 ]; then
2871 _dump_err "!!! failed to remount $device on $mountpoint"
2881 # Check a generic filesystem in no-op mode; this assumes that the
2882 # underlying fsck program accepts "-n" for a no-op (check-only) run,
2883 # and that it will still return an errno for corruption in this mode.
2885 # Filesystems which don't support this will need to define their
2886 # own check routine.
2888 _check_generic_filesystem()
2892 # If type is set, we're mounted
2893 local type=`_fs_type $device`
2896 if [ "$type" = "$FSTYP" ]
2899 local mountpoint=`_umount_or_remount_ro $device`
2902 fsck -t $FSTYP $FSCK_OPTIONS $device >$tmp.fsck 2>&1
2905 _log_err "_check_generic_filesystem: filesystem on $device is inconsistent"
2906 echo "*** fsck.$FSTYP output ***" >>$seqres.full
2907 cat $tmp.fsck >>$seqres.full
2908 echo "*** end fsck.$FSTYP output" >>$seqres.full
2914 if [ $ok -eq 0 ] && [ -n "$DUMP_CORRUPT_FS" ]; then
2917 local flatdev="$(basename "$device")"
2918 _ext4_metadump "$seqres.$flatdev.check.qcow2" "$device" compress
2925 echo "*** mount output ***" >>$seqres.full
2926 _mount >>$seqres.full
2927 echo "*** end mount output" >>$seqres.full
2928 elif [ "$type" = "$FSTYP" ]
2931 _mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
2935 if [ $ok -eq 0 ]; then
2937 if [ "$iam" != "check" ]; then
2946 # Filter the knowen errors the UDF Verifier reports.
2947 _udf_test_known_error_filter()
2949 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."
2953 _check_udf_filesystem()
2955 [ "$DISABLE_UDF_TEST" == "1" ] && return
2957 if [ $# -ne 1 -a $# -ne 2 ]
2959 echo "Usage: _check_udf_filesystem device [last_block]" 1>&2
2963 if [ ! -x $here/src/udf_test ]
2965 echo "udf_test not installed, please download and build the Philips"
2966 echo "UDF Verification Software from http://www.extra.research.philips.com/udf/."
2967 echo "Then copy the udf_test binary to $here/src/."
2968 echo "If you do not wish to run udf_test then set environment variable DISABLE_UDF_TEST"
2975 if [ $# -eq 2 ]; then
2976 opt_arg="-lastvalidblock $(( $2 - 1 ))"
2979 rm -f $seqres.checkfs
2980 sleep 1 # Due to a problem with time stamps in udf_test
2981 $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | egrep "Error|Warning" | \
2982 _udf_test_known_error_filter | \
2983 egrep -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
2984 echo "Warning UDF Verifier reported errors see $seqres.checkfs." && return 1
2995 # no way to check consistency for nfs
2998 # no way to check consistency for cifs
3001 # no way to check consistency for 9p
3004 # no way to check consistency for virtiofs
3007 # no way to check consistency for CephFS
3010 # no way to check consistency for GlusterFS
3013 _check_overlay_test_fs
3018 # do nothing for now
3021 _check_btrfs_filesystem $TEST_DEV
3024 # no way to check consistency for tmpfs
3027 # there is no fsck program for ubifs yet
3030 _check_generic_filesystem $TEST_DEV
3037 local device=$SCRATCH_DEV
3038 [ $# -eq 1 ] && device=$1
3042 local scratch_log="none"
3043 local scratch_rt="none"
3044 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
3045 scratch_log="$SCRATCH_LOGDEV"
3047 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
3048 scratch_rt="$SCRATCH_RTDEV"
3050 _check_xfs_filesystem $device $scratch_log $scratch_rt
3053 _check_udf_filesystem $device $udf_fsize
3056 # Don't know how to check an NFS filesystem, yet.
3059 # Don't know how to check a CIFS filesystem, yet.
3062 # no way to check consistency for 9p
3065 # no way to check consistency for virtiofs
3068 # no way to check consistency for CephFS
3071 # no way to check consistency for GlusterFS
3074 _check_overlay_scratch_fs
3079 _check_btrfs_filesystem $device
3082 # no way to check consistency for tmpfs
3085 # there is no fsck program for ubifs yet
3088 _check_generic_filesystem $device
3093 _full_fstyp_details()
3095 [ -z "$FSTYP" ] && FSTYP=xfs
3096 if [ $FSTYP = xfs ]; then
3097 if [ -d /proc/fs/xfs ]; then
3098 if grep -q 'debug 0' /proc/fs/xfs/stat; then
3099 FSTYP="$FSTYP (non-debug)"
3100 elif grep -q 'debug 1' /proc/fs/xfs/stat; then
3101 FSTYP="$FSTYP (debug)"
3104 if uname -a | grep -qi 'debug'; then
3105 FSTYP="$FSTYP (debug)"
3107 FSTYP="$FSTYP (non-debug)"
3114 _full_platform_details()
3117 local host=`hostname -s`
3118 local kernel=`uname -rv`
3119 local platform=`uname -m`
3120 echo "$os/$platform $host $kernel"
3125 if [ "`uname`" == "Linux" ]; then
3128 echo Unknown operating system: `uname`
3133 _link_out_file_named()
3136 local suffix=$(FEATURES="$features" perl -e '
3138 my $feature, $result, $suffix, $opts;
3140 foreach $feature (split(/,/, $ENV{"FEATURES"})) {
3141 $feathash{$feature} = 1;
3143 $result = "default";
3148 ($opts, $suffix) = split(/ *: */);
3149 foreach my $opt (split(/,/, $opts)) {
3150 if (!exists($feathash{$opt})) {
3163 ln -fs $(basename $1).$suffix $1
3170 if [ $# -eq 0 ]; then
3171 features="$(_get_os_name),$FSTYP"
3172 if [ -n "$MOUNT_OPTIONS" ]; then
3173 features=$features,${MOUNT_OPTIONS##"-o "}
3179 _link_out_file_named $seqfull.out "$features"
3188 # convert urandom incompressible data to compressible text data
3191 od /dev/urandom | dd iflag=fullblock ${*}
3194 #takes files, randomdata
3202 if [ $size -gt 0 ]; then
3203 if [ "$2" == "false" ]; then
3204 dd if=/dev/zero of=$file bs=1024 count=$size 2>&1 | _filter_dd
3205 elif [ "$2" == "comp" ]; then
3206 _ddt of=$file bs=1024 count=$size 2>&1 | _filter_dd
3208 dd if=/dev/urandom of=$file bs=1024 count=$size 2>&1 | _filter_dd
3215 # takes dirname, depth, randomdata
3218 local dirname=$1 depth=$2 randomdata=$3
3219 mkdir $dirname || die "mkdir $dirname failed"
3222 _nfiles $files $randomdata # files for this dir and data type
3224 [ $depth -eq 0 ] && return
3225 local deep=$(( depth - 1 )) # go 1 down
3227 [ $verbose = true ] && echo "descending, depth from leaves = $deep"
3230 while [ $d -lt $dirs ]
3232 _descend d$d $deep &
3238 # Populate a filesystem with inodes for performance experiments
3240 # usage: populate [-v] [-n ndirs] [-f nfiles] [-d depth] [-r root] [-s size] [-x]
3245 local dirs=5 # ndirs in each subdir till leaves
3246 local size=0 # sizeof files in K
3247 local files=100 # num files in _each_ subdir
3248 local depth=2 # depth of tree from root to leaves
3250 local root=root # path of initial root of directory tree
3251 local randomdata=false # -x data type urandom, zero or compressible
3255 while getopts "d:f:n:r:s:v:x:c" c
3264 x) randomdata=true;;
3265 c) randomdata=comp;;
3269 _descend $root $depth $randomdata
3274 [ $verbose = true ] && echo done
3277 # query whether the given file has the given inode flag set
3284 if $XFS_IO_PROG -r -c 'lsattr -v' "$file" | grep -q "$flag" ; then
3290 # query the given files extsize allocator hint in bytes (if any)
3297 blocks=`$XFS_IO_PROG -r -c 'stat' "$file" | \
3298 awk '/^xattr.extsize =/ { print $3 }'`
3299 [ -z "$blocks" ] && blocks="0"
3303 # scratch_dev_pool should contain the disks pool for the btrfs raid
3304 _require_scratch_dev_pool()
3309 if [ -z "$SCRATCH_DEV_POOL" ]; then
3310 _notrun "this test requires a valid \$SCRATCH_DEV_POOL"
3313 if [ -z "$1" ]; then
3319 # btrfs test case needs ndevs or more scratch_dev_pool; other FS not sure
3323 if [ "`echo $SCRATCH_DEV_POOL|wc -w`" -lt $ndevs ]; then
3324 _notrun "btrfs and this test needs $ndevs or more disks in SCRATCH_DEV_POOL"
3328 _notrun "dev_pool is not supported by fstype \"$FSTYP\""
3332 for i in $SCRATCH_DEV_POOL; do
3333 if [ "`_is_block_dev "$i"`" = "" ]; then
3334 _notrun "this test requires valid block disk $i"
3336 if [ "`_is_block_dev "$i"`" = "`_is_block_dev "$TEST_DEV"`" ]; then
3337 _notrun "$i is part of TEST_DEV, this test requires unique disks"
3339 if _mount | grep -q $i; then
3340 if ! $UMOUNT_PROG $i; then
3341 echo "failed to unmount $i - aborting"
3345 # to help better debug when something fails, we remove
3346 # traces of previous btrfs FS on the dev.
3347 dd if=/dev/zero of=$i bs=4096 count=100 > /dev/null 2>&1
3351 # ensure devices in SCRATCH_DEV_POOL are of the same size
3352 # must be called after _require_scratch_dev_pool
3353 _require_scratch_dev_pool_equal_size()
3359 # SCRATCH_DEV has been set to the first device in SCRATCH_DEV_POOL
3360 size=`_get_device_size $SCRATCH_DEV`
3361 for dev in $SCRATCH_DEV_POOL; do
3362 newsize=`_get_device_size $dev`
3363 if [ $size -ne $newsize ]; then
3364 _notrun "This test requires devices in SCRATCH_DEV_POOL have the same size"
3370 # Check that fio is present, and it is able to execute given jobfile
3375 _require_command "$FIO_PROG" fio
3376 if [ -z "$1" ]; then
3380 $FIO_PROG --warnings-fatal --showcmd $job >> $seqres.full 2>&1
3381 [ $? -eq 0 ] || _notrun "$FIO_PROG too old, see $seqres.full"
3384 # Does freeze work on this fs?
3387 xfs_freeze -f "$TEST_DIR" >/dev/null 2>&1
3389 xfs_freeze -u "$TEST_DIR" >/dev/null 2>&1
3390 [ $result -eq 0 ] || _notrun "$FSTYP does not support freezing"
3393 # Does NFS export work on this fs?
3396 _require_test_program "open_by_handle"
3397 mkdir -p "$TEST_DIR"/exportfs_test
3398 $here/src/open_by_handle -c "$TEST_DIR"/exportfs_test 2>&1 \
3399 || _notrun "$FSTYP does not support NFS export"
3403 # Does shutdown work on this fs?
3404 _require_scratch_shutdown()
3406 [ -x $here/src/godown ] || _notrun "src/godown executable not found"
3408 _scratch_mkfs > /dev/null 2>&1 || _notrun "_scratch_mkfs failed on $SCRATCH_DEV"
3411 if [ $FSTYP = "overlay" ]; then
3412 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
3413 # In lagacy overlay usage, it may specify directory as
3414 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
3415 # will be null, so check OVL_BASE_SCRATCH_DEV before
3416 # running shutdown to avoid shutting down base fs accidently.
3417 _notrun "This test requires a valid $OVL_BASE_SCRATCH_DEV as ovl base fs"
3419 $here/src/godown -f $OVL_BASE_SCRATCH_MNT 2>&1 \
3420 || _notrun "Underlying filesystem does not support shutdown"
3423 $here/src/godown -f $SCRATCH_MNT 2>&1 \
3424 || _notrun "$FSTYP does not support shutdown"
3436 local attributes=$($XFS_IO_PROG -c 'statx -r' $target | awk '/stat.attributes / { print $3 }')
3438 # The original attribute bit value, STATX_ATTR_DAX (0x2000), conflicted
3439 # with STATX_ATTR_MOUNT_ROOT. Therefore, STATX_ATTR_DAX was changed to
3442 # Because DAX tests do not run on root mounts, STATX_ATTR_MOUNT_ROOT
3443 # should always be 0. Check for the old flag and fail the test if that
3446 if [ $(( attributes & 0x2000 )) -ne 0 ]; then
3447 echo "$target has an unexpected STATX_ATTR_MOUNT_ROOT flag set"
3448 echo "which used to be STATX_ATTR_DAX"
3449 echo " This test should not be running on the root inode..."
3450 echo " Does the kernel have the following patch?"
3451 echo " 72d1249e2ffd uapi: fix statx attribute value overlap for DAX & MOUNT_ROOT"
3454 if [ $exp_s_dax -eq 0 ]; then
3455 if (( attributes & 0x00200000 )); then
3456 echo "$target has unexpected S_DAX flag"
3460 if ! (( attributes & 0x00200000 )); then
3461 echo "$target doesn't have expected S_DAX flag"
3473 if [ $exp_xflag -eq 0 ]; then
3474 _test_inode_flag dax $target && echo "$target has unexpected FS_XFLAG_DAX flag"
3476 _test_inode_flag dax $target || echo "$target doesn't have expected FS_XFLAG_DAX flag"
3480 # Check if dax mount options are supported
3482 # $1 can be either 'dax=always' or 'dax'
3485 # Check for the new dax options (dax=inode, dax=always or dax=never)
3486 # by passing "dax=always".
3488 # Check for the old dax or new dax=always by passing "dax".
3490 # This only accepts 'dax=always' because dax=always, dax=inode and
3491 # dax=never are always supported together. So if the other options are
3492 # required checking for 'dax=always' indicates support for the other 2.
3494 # Return 0 if filesystem/device supports the specified dax option.
3495 # Return 1 if mount fails with the specified dax option.
3496 # Return 2 if /proc/mounts shows wrong dax option.
3497 _check_scratch_dax_mountopt()
3502 _scratch_mkfs > /dev/null 2>&1
3504 _try_scratch_mount "-o $option" > /dev/null 2>&1 || return 1
3506 if _fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)"; then
3515 # Throw notrun if _check_scratch_dax_mountopt() returns a non-zero value.
3516 _require_scratch_dax_mountopt()
3520 _check_scratch_dax_mountopt "$mountopt"
3523 [ $res -eq 1 ] && _notrun "mount $SCRATCH_DEV with $mountopt failed"
3524 [ $res -eq 2 ] && _notrun "$SCRATCH_DEV $FSTYP does not support -o $mountopt"
3527 _require_dax_iflag()
3529 _require_xfs_io_command "chattr" "x"
3532 # Does norecovery support by this fs?
3533 _require_norecovery()
3535 _try_scratch_mount -o ro,norecovery || \
3536 _notrun "$FSTYP does not support norecovery"
3540 # Does this filesystem support metadata journaling?
3541 # We exclude ones here that don't; otherwise we assume that it does, so the
3542 # test will run, fail, and motivate someone to update this test for a new
3545 # It's possible that TEST_DEV and SCRATCH_DEV have different features (it'd be
3546 # odd, but possible) so check $TEST_DEV by default, but we can optionall pass
3548 _has_metadata_journaling()
3557 ext2|vfat|msdos|udf|exfat|tmpfs)
3558 echo "$FSTYP does not support metadata journaling"
3562 # ext4 could be mkfs'd without a journal...
3564 $DUMPE2FS_PROG -h $dev 2>&1 | grep -q has_journal || {
3565 echo "$FSTYP on $dev not configured with metadata journaling"
3568 # ext4 might not load a journal
3569 if _normalize_mount_options | grep -qw "noload"; then
3570 echo "mount option \"noload\" not allowed in this test"
3575 # metadata journaling check is based on base filesystem configurations
3576 # and because -overlay option saves those configurations to OVL_BASE_*,
3577 # adding restore/override the configurations before/after the check.
3578 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
3581 _overlay_config_restore
3582 _has_metadata_journaling
3584 _overlay_config_override
3587 echo "No metadata journaling support for legacy overlay setup"
3592 # by default we pass; if you need to, add your fs above!
3598 _require_metadata_journaling()
3600 local msg=$(_has_metadata_journaling $@)
3601 if [ -n "$msg" ]; then
3608 $XFS_IO_PROG -r -c "fiemap" $1 | tail -n +2 | grep -v hole | wc -l
3611 # Similar to _count_extents() but if any extent is shared multiples times in
3612 # the file (reflinked to different file offsets), it is accounted as 1 extent
3613 # instead of N extents.
3614 _count_exclusive_extents()
3616 $XFS_IO_PROG -r -c "fiemap" $1 | tail -n +2 | grep -v hole | \
3617 cut -d ' ' -f 3 | sort | uniq | wc -l
3622 $XFS_IO_PROG -r -c "fiemap" $1 | tail -n +2 | grep hole | wc -l
3625 _count_attr_extents()
3627 $XFS_IO_PROG -c "fiemap -a" $1 | tail -n +2 | grep -v hole | wc -l
3630 # arg 1 is dev to remove and is output of the below eg.
3631 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3637 echo 1 > /sys/class/scsi_device/${lun}/device/delete || _fail "Remove disk failed"
3639 stat $disk > /dev/null 2>&1
3640 while [ $? -eq 0 ]; do
3642 stat $disk > /dev/null 2>&1
3646 # arg 1 is dev to add and is output of the below eg.
3647 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3652 # arg 1 will be in h:t:d:l format now in the h and "t d l" format
3653 h=`echo ${1} | cut -d":" -f 1`
3654 tdl=`echo ${1} | cut -d":" -f 2-|sed 's/:/ /g'`
3656 echo ${tdl} > /sys/class/scsi_host/host${h}/scan || _fail "Add disk failed"
3658 # ensure the device comes online
3659 local dev_back_oneline=0
3661 for i in `seq 1 10`; do
3662 if [ -d /sys/class/scsi_device/${1}/device/block ]; then
3663 local dev=`ls /sys/class/scsi_device/${1}/device/block`
3665 for j in `seq 1 10`;
3667 stat /dev/$dev > /dev/null 2>&1
3668 if [ $? -eq 0 ]; then
3679 if [ $dev_back_oneline -eq 0 ]; then
3680 echo "/dev/$dev online failed" >> $seqres.full
3682 echo "/dev/$dev is back online" >> $seqres.full
3688 if [ -z "$FSTRIM_PROG" ]; then
3689 _notrun "This test requires fstrim utility."
3693 _require_batched_discard()
3695 if [ $# -ne 1 ]; then
3696 echo "Usage: _require_batched_discard mnt_point" 1>&2
3700 $FSTRIM_PROG $1 > /dev/null 2>&1 || _notrun "FITRIM not supported on $1"
3705 if [ -z "$DUMPE2FS_PROG" ]; then
3706 _notrun "This test requires dumpe2fs utility."
3712 if [ ! -e /proc/self/uid_map ]; then
3713 _notrun "This test requires procfs uid_map support."
3715 if [ ! -e /proc/self/gid_map ]; then
3716 _notrun "This test requires procfs gid_map support."
3722 FSSUM_PROG=$here/src/fssum
3723 [ -x $FSSUM_PROG ] || _notrun "fssum not built"
3728 CLONER_PROG=$here/src/cloner
3729 [ -x $CLONER_PROG ] || \
3730 _notrun "cloner binary not present at $CLONER_PROG"
3733 # Normalize mount options from global $MOUNT_OPTIONS
3734 # Convert options like "-o opt1,opt2 -oopt3" to
3736 _normalize_mount_options()
3738 echo $MOUNT_OPTIONS | sed -n 's/-o\s*\(\S*\)/\1/gp'| sed 's/,/ /g'
3741 # skip test if MOUNT_OPTIONS contains the given strings
3742 # Both dax and dax=always are excluded if dax or dax=always is passed
3743 _exclude_scratch_mount_option()
3745 local mnt_opts=$(_normalize_mount_options)
3747 while [ $# -gt 0 ]; do
3749 echo "$pattern" | egrep -q "dax(=always|$)" && \
3750 pattern="dax(=always| |$)"
3751 if echo $mnt_opts | egrep -q "$pattern"; then
3752 _notrun "mount option \"$1\" not allowed in this test"
3760 _exclude_scratch_mount_option "noatime"
3763 _notrun "atime related mount options have no effect on $FSTYP"
3771 _scratch_mkfs > /dev/null 2>&1
3772 _try_scratch_mount -o relatime || \
3773 _notrun "relatime not supported by the current kernel"
3779 [ -x $here/src/nsexec ] || _notrun "src/nsexec executable not found"
3780 $here/src/nsexec -U true 2>/dev/null || _notrun "userns not supported by this kernel"
3783 _create_loop_device()
3786 dev=`losetup -f --show $file` || _fail "Cannot assign $file to a loop device"
3790 _destroy_loop_device()
3793 losetup -d $dev || _fail "Cannot destroy loop device $dev"
3796 _scale_fsstress_args()
3799 while [ $# -gt 0 ]; do
3801 -n) args="$args $1 $(($2 * $TIME_FACTOR))"; shift ;;
3802 -p) args="$args $1 $(($2 * $LOAD_FACTOR))"; shift ;;
3803 *) args="$args $1" ;;
3807 printf '%s\n' "$args"
3811 # Return the logical block size if running on a block device,
3812 # else substitute the page size.
3814 _min_dio_alignment()
3818 if [ -b "$dev" ]; then
3819 blockdev --getss $dev
3821 $here/src/feature -s
3827 echo "# $@" >> $seqres.full 2>&1
3828 "$@" >> $seqres.full 2>&1 || _fail "failed: '$@'"
3833 local target=`mktemp -p $TEST_DIR`
3834 local link=`mktemp -p $TEST_DIR -u`
3835 ln -s `basename $target` $link
3836 if [ "$?" -ne 0 ]; then
3838 _notrun "Require symlinks support"
3843 _require_hardlinks()
3845 local target=`mktemp -p $TEST_DIR`
3846 local link=`mktemp -p $TEST_DIR -u`
3848 if [ "$?" -ne 0 ]; then
3850 _notrun "No hardlink support"
3855 _require_test_fcntl_advisory_locks()
3857 [ "$FSTYP" != "cifs" ] && return 0
3858 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -q "nobrl" && return 0
3859 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -qE "nounix|forcemand" && \
3860 _notrun "Require fcntl advisory locks support"
3863 _require_test_fcntl_setlease()
3865 _require_test_program "locktest"
3866 touch $TEST_DIR/setlease_testfile
3867 $here/src/locktest -t $TEST_DIR/setlease_testfile >/dev/null 2>&1
3868 [ $? -eq 22 ] && _notrun "Require fcntl setlease support"
3871 _require_ofd_locks()
3873 # Give a test run by getlk wrlck on testfile.
3874 # If the running kernel does not support OFD locks,
3875 # EINVAL will be returned.
3876 _require_test_program "t_ofd_locks"
3877 touch $TEST_DIR/ofd_testfile
3878 $here/src/t_ofd_locks -t $TEST_DIR/ofd_testfile > /dev/null 2>&1
3879 [ $? -eq 22 ] && _notrun "Require OFD locks support"
3882 _require_test_lsattr()
3884 local testio=$(lsattr -d $TEST_DIR 2>&1)
3885 echo $testio | grep -q "Operation not supported" && \
3886 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3887 echo $testio | grep -q "Inappropriate ioctl for device" && \
3888 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3893 if [ -z "$1" ]; then
3894 echo "Usage: _require_chattr <attr>"
3899 touch $TEST_DIR/syscalltest
3900 chattr "+$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3902 chattr "-$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3903 if [ "$ret" -ne 0 ]; then
3904 _notrun "file system doesn't support chattr +$attribute"
3906 cat $TEST_DIR/syscalltest.out >> $seqres.full
3907 rm -f $TEST_DIR/syscalltest.out
3912 if [ -z "$1" ]; then
3913 echo "Usage: _get_total_inode <mnt>"
3917 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $3}'`
3923 if [ -z "$1" ]; then
3924 echo "Usage: _get_used_inode <mnt>"
3928 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $4}'`
3932 _get_used_inode_percent()
3934 if [ -z "$1" ]; then
3935 echo "Usage: _get_used_inode_percent <mnt>"
3939 pct_inode=`$DF_PROG -i $1 | tail -1 | awk '{ print $6 }' | \
3946 if [ -z "$1" ]; then
3947 echo "Usage: _get_free_inode <mnt>"
3951 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $5}'`
3955 # get the available space in bytes
3957 _get_available_space()
3959 if [ -z "$1" ]; then
3960 echo "Usage: _get_available_space <mnt>"
3964 avail_kb=`$DF_PROG $1 | tail -n1 | awk '{ print $5 }'`
3965 echo $((avail_kb * 1024))
3968 # return device size in kb
3971 echo $(($(blockdev --getsz $1) >> 1))
3974 # Make sure we actually have dmesg checking set up.
3975 _require_check_dmesg()
3977 test -w /dev/kmsg || \
3978 _notrun "Test requires writable /dev/kmsg."
3981 # Return the dmesg log since the start of this test. Caller must ensure that
3982 # /dev/kmsg was writable when the test was started so that we can find the
3983 # beginning of this test's log messages; _require_check_dmesg does this.
3984 _dmesg_since_test_start()
3986 # search the dmesg log of last run of $seqnum for possible failures
3987 # use sed \cregexpc address type, since $seqnum contains "/"
3988 dmesg | tac | sed -ne "0,\#run fstests $seqnum at $date_time#p" | \
3992 # check dmesg log for a specific string, subject to the same requirements as
3993 # _dmesg_since_test_start.
3996 _dmesg_since_test_start | egrep -q "$1"
3999 # Default filter for dmesg scanning.
4000 # Ignore lockdep complaining about its own bugginess when scanning dmesg
4001 # output, because we shouldn't be failing filesystem tests on account of
4003 _check_dmesg_filter()
4005 egrep -v -e "BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low" \
4006 -e "BUG: MAX_STACK_TRACE_ENTRIES too low"
4009 # check dmesg log for WARNING/Oops/etc.
4012 if [ ! -f ${RESULT_DIR}/check_dmesg ]; then
4015 rm -f ${RESULT_DIR}/check_dmesg
4017 # default filter is a simple cat command, caller could provide a
4018 # customized filter and pass the name through the first argument, to
4019 # filter out intentional WARNINGs or Oopses
4020 local filter=${1:-_check_dmesg_filter}
4022 _dmesg_since_test_start | $filter >$seqres.dmesg
4023 egrep -q -e "kernel BUG at" \
4027 -e "possible recursive locking detected" \
4028 -e "Internal error" \
4029 -e "(INFO|ERR): suspicious RCU usage" \
4030 -e "INFO: possible circular locking dependency detected" \
4031 -e "general protection fault:" \
4032 -e "BUG .* remaining" \
4035 if [ $? -eq 0 ]; then
4036 _dump_err "_check_dmesg: something found in dmesg (see $seqres.dmesg)"
4039 if [ "$KEEP_DMESG" != "yes" ]; then
4046 # capture the kmemleak report
4049 local kern_knob="$DEBUGFS_MNT/kmemleak"
4050 local leak_file="$1"
4052 # Tell the kernel to scan for memory leaks. Apparently the write
4053 # returns before the scan is complete, so do it twice in the hopes
4054 # that twice is enough to capture all the leaks.
4055 echo "scan" > "$kern_knob"
4056 cat "$kern_knob" > /dev/null
4057 echo "scan" > "$kern_knob"
4058 cat "$kern_knob" > "$leak_file.tmp"
4059 if [ -s "$leak_file.tmp" ]; then
4060 cat > "$leak_file" << ENDL
4061 EXPERIMENTAL kmemleak reported some memory leaks! Due to the way kmemleak
4062 works, the leak might be from an earlier test, or something totally unrelated.
4064 cat "$leak_file.tmp" >> "$leak_file"
4066 rm -rf "$leak_file.tmp"
4067 echo "clear" > "$kern_knob"
4070 # Figure out if the running kernel supports kmemleak; if it does, clear out
4071 # anything that leaked before we even started testing. The leak checker only
4072 # needs to be primed like this once per ./check invocation.
4075 local kern_knob="$DEBUGFS_MNT/kmemleak"
4076 KMEMLEAK_CHECK_FILE="/tmp/check_kmemleak"
4078 # Since kernel v4.19-rc3, the kmemleak knob exists even if kmemleak is
4079 # disabled, but returns EBUSY on write. So instead of relying on
4080 # existance of writable knob file, we use a test file to indicate that
4081 # _check_kmemleak() is enabled only if we actually managed to write to
4083 rm -f "$KMEMLEAK_CHECK_FILE"
4085 if [ ! -w "$kern_knob" ]; then
4089 # Disable the automatic scan so that we can control it completely,
4090 # then dump all the leaks recorded so far.
4091 if echo "scan=off" > "$kern_knob" 2>/dev/null; then
4092 _capture_kmemleak /dev/null
4093 touch "$KMEMLEAK_CHECK_FILE"
4097 # Kick the kmemleak checker to scan for leaks. Background leak scan mode is
4098 # not enabled, so we must call the kernel to ask for a scan and deal with the
4099 # results appropriately. This we do after every test completes, whether or not
4100 # it was successful.
4103 local kern_knob="$DEBUGFS_MNT/kmemleak"
4104 local leak_file="$seqres.kmemleak"
4106 if [ ! -f "$KMEMLEAK_CHECK_FILE" ]; then
4110 # Not enabled, so discard any report of leaks found.
4111 if [ "$USE_KMEMLEAK" != "yes" ]; then
4112 _capture_kmemleak /dev/null
4116 # Capture and report any leaks
4117 _capture_kmemleak "$leak_file"
4118 if [ -s "$leak_file" ]; then
4119 _dump_err "_check_kmemleak: something found in kmemleak (see $leak_file)"
4127 # don't check dmesg log after test
4128 _disable_dmesg_check()
4130 rm -f ${RESULT_DIR}/check_dmesg
4135 # make some further configuration checks here
4136 if [ "$TEST_DEV" = "" ]
4138 echo "common/rc: Error: \$TEST_DEV is not set"
4142 # if $TEST_DEV is not mounted, mount it now as XFS
4143 if [ -z "`_fs_type $TEST_DEV`" ]
4145 # $TEST_DEV is not mounted
4148 echo "common/rc: retrying test device mount with external set"
4149 [ "$USE_EXTERNAL" != "yes" ] && export USE_EXTERNAL=yes
4152 echo "common/rc: could not mount $TEST_DEV on $TEST_DIR"
4158 # Sanity check that TEST partition is not mounted at another mount point
4159 # or as another fs type
4160 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR $FSTYP || exit 1
4161 if [ -n "$SCRATCH_DEV" ]; then
4162 # Sanity check that SCRATCH partition is not mounted at another
4163 # mount point, because it is about to be unmounted and formatted.
4164 # Another fs type for scratch is fine (bye bye old fs type).
4165 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
4166 [ $? -le 1 ] || exit 1
4169 # Figure out if we need to add -F ("foreign", deprecated) option to xfs_io
4170 $XFS_IO_PROG -c stat $TEST_DIR 2>&1 | grep -q "is not on an XFS filesystem" && \
4171 export XFS_IO_PROG="$XFS_IO_PROG -F"
4173 # xfs_io -i option starts an idle thread for xfs_io.
4174 # With single threaded process, the file table is not shared
4175 # and file structs are not reference counted.
4176 # Spawning an idle thread can help detecting file struct
4177 # reference leaks, so we want to enable the option whenever
4179 $XFS_IO_PROG -i -c quit 2>/dev/null && \
4180 export XFS_IO_PROG="$XFS_IO_PROG -i"
4182 # xfs_copy on v5 filesystems do not require the "-d" option if xfs_db
4183 # can change the UUID on v5 filesystems
4184 if [ "$FSTYP" == "xfs" ]; then
4186 $MKFS_XFS_PROG -d file,name=/tmp/$$.img,size=512m >/dev/null 2>&1
4187 # xfs_db will return 0 even if it can't generate a new uuid, so
4188 # check the output to make sure if it can change UUID of V5 xfs
4189 $XFS_DB_PROG -x -c "uuid generate" /tmp/$$.img \
4190 | grep -q "invalid UUID\|supported on V5 fs" \
4191 && export XFS_COPY_PROG="$XFS_COPY_PROG -d"
4196 # get real device path name by following link
4200 if [ -b "$dev" ] && [ -L "$dev" ]; then
4201 dev=`readlink -f "$dev"`
4206 # basename of a device
4209 echo `basename $(_real_dev $1)`
4214 local dev=`_real_dev $1`
4215 local maj=$(stat -c%t $dev | tr [:lower:] [:upper:])
4216 local min=$(stat -c%T $dev | tr [:lower:] [:upper:])
4217 maj=$(echo "ibase=16; $maj" | bc)
4218 min=$(echo "ibase=16; $min" | bc)
4219 echo /sys/dev/block/$maj:$min
4222 # Get the minimum block size of a file. Usually this is the
4223 # minimum fs block size, but some filesystems (ocfs2) do block
4224 # mappings in larger units.
4225 _get_file_block_size()
4227 if [ -z $1 ] || [ ! -d $1 ]; then
4228 echo "Missing mount point argument for _get_file_block_size"
4237 _xfs_get_file_block_size $1
4245 # Get the minimum block size of an fs.
4248 if [ -z $1 ] || [ ! -d $1 ]; then
4249 echo "Missing mount point argument for _get_block_size"
4255 # Require that the fundamental allocation unit of a file is the same as the
4256 # filesystem block size. The sole parameter must be the root dir of a
4258 _require_file_block_size_equals_fs_block_size()
4260 local file_alloc_unit="$(_get_file_block_size $1)"
4261 local fs_block_size="$(_get_block_size $1)"
4262 test "$file_alloc_unit" != "$fs_block_size" && \
4263 _notrun "File allocation unit is larger than a filesystem block"
4268 echo $(getconf PAGE_SIZE)
4275 local args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"`
4276 set -- $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk
4277 echo "$@" >>$seqres.full
4278 rm -f $TEST_DIR/junk
4279 "$@" 2>&1 | tee -a $seqres.full >$tmp.fsx
4280 if [ ${PIPESTATUS[0]} -ne 0 ]; then
4288 # Test for the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
4290 # Only one argument is needed:
4291 # - attr: path name under /sys/fs/$FSTYP/DEV
4294 # _require_fs_sysfs error/fail_at_unmount
4298 local dname=$(_short_dev $TEST_DEV)
4300 if [ -z "$attr" -o -z "$dname" ];then
4301 _fail "Usage: _require_fs_sysfs <sysfs_attr_path>"
4304 if [ ! -e /sys/fs/${FSTYP}/${dname}/${attr} ];then
4305 _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
4311 $here/src/stat_test --check-statx ||
4312 _notrun "This test requires the statx system call"
4315 # Write "content" into /sys/fs/$FSTYP/$DEV/$ATTR
4317 # All arguments are necessary, and in this order:
4318 # - dev: device name, e.g. $SCRATCH_DEV
4319 # - attr: path name under /sys/fs/$FSTYP/$dev
4320 # - content: the content of $attr
4323 # _set_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount 0
4324 _set_fs_sysfs_attr()
4332 if [ ! -b "$dev" -o -z "$attr" -o -z "$content" ];then
4333 _fail "Usage: _set_fs_sysfs_attr <mounted_device> <attr> <content>"
4336 local dname=$(_short_dev $dev)
4337 echo "$content" > /sys/fs/${FSTYP}/${dname}/${attr}
4340 # Print the content of /sys/fs/$FSTYP/$DEV/$ATTR
4342 # All arguments are necessary, and in this order:
4343 # - dev: device name, e.g. $SCRATCH_DEV
4344 # - attr: path name under /sys/fs/$FSTYP/$dev
4347 # _get_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
4348 _get_fs_sysfs_attr()
4353 if [ ! -b "$dev" -o -z "$attr" ];then
4354 _fail "Usage: _get_fs_sysfs_attr <mounted_device> <attr>"
4357 local dname=$(_short_dev $dev)
4358 cat /sys/fs/${FSTYP}/${dname}/${attr}
4361 # Generic test for specific filesystem feature.
4362 # Currently only implemented to test overlayfs features.
4363 _require_scratch_feature()
4369 _require_scratch_overlay_features ${feature}
4372 _fail "Test for feature '${feature}' of ${FSTYP} is not implemented"
4377 # Get the maximum size of a file in $TEST_DIR (s_maxbytes). On ext4 this will
4378 # be UINT32_MAX * block_size, but other filesystems may allow up to LLONG_MAX.
4379 _get_max_file_size()
4381 local testfile=$TEST_DIR/maxfilesize.$seq
4383 local r=9223372036854775807 # LLONG_MAX
4386 while (( l < r )); do
4387 # Use _math() to avoid signed integer overflow.
4388 local m=$(_math "($l + $r + 1) / 2")
4389 if $XFS_IO_PROG -f -c "truncate $m" $testfile \
4390 |& grep -q 'File too large'
4400 # get MAX_LFS_FILESIZE
4401 _get_max_lfs_filesize()
4403 case "$(getconf LONG_BIT)" in
4405 local ulong_max=$(getconf ULONG_MAX)
4406 local page_size=$(getconf PAGE_SIZE)
4407 echo $(( ulong_max * page_size ))
4410 echo 9223372036854775807
4413 _fail "sizeof(long) == $(getconf LONG_BIT)?"
4418 # The maximum filesystem label length, /not/ including terminating NULL
4432 _notrun "$FSTYP does not define maximum label length"
4437 # Helper to check above early in a script
4438 _require_label_get_max()
4440 # Just call _label_get_max which will notrun if appropriate
4441 dummy=$(_label_get_max)
4446 $UDEV_SETTLE_PROG >/dev/null 2>&1
4447 $DMSETUP_PROG remove "$@" >>$seqres.full 2>&1
4448 $DMSETUP_PROG mknodes >/dev/null 2>&1
4453 $DMSETUP_PROG create "$@" >>$seqres.full 2>&1 || return 1
4454 $DMSETUP_PROG mknodes >/dev/null 2>&1
4455 $UDEV_SETTLE_PROG >/dev/null 2>&1
4460 # Note: filesystems are not required to report btime (creation time)
4461 # if the caller doesn't ask for it, so we define STATX_BTIME here and
4462 # pass it in to the statx command.
4463 export STATX_BTIME=0x800
4464 $XFS_IO_PROG -f $TEST_DIR/test_creation_time -c "statx -m $STATX_BTIME -v" \
4465 | grep btime >>$seqres.full 2>&1 || \
4466 _notrun "inode creation time not supported by this filesystem"
4467 rm -f $TEST_DIR/test_creation_time
4470 _require_scratch_btime()
4473 _scratch_mkfs > /dev/null 2>&1
4476 # Note: filesystems are not required to report btime (creation time)
4477 # if the caller doesn't ask for it, so we define STATX_BTIME here and
4478 # pass it in to the statx command.
4479 export STATX_BTIME=0x800
4480 $XFS_IO_PROG -f $SCRATCH_MNT/test_creation_time -c "statx -m $STATX_BTIME -v" \
4481 | grep btime >>$seqres.full 2>&1 || \
4482 _notrun "inode creation time not supported by this filesystem"
4487 _require_inode_limits()
4489 if [ $(_get_free_inode $TEST_DIR) -eq 0 ]; then
4490 _notrun "$FSTYP does not have a fixed number of inodes available"
4494 _require_filefrag_options()
4496 _require_command "$FILEFRAG_PROG" filefrag
4499 local file="$TEST_DIR/options_testfile"
4502 ${FILEFRAG_PROG} -$options $file 2>&1 | grep -q "invalid option" && \
4503 _notrun "filefrag doesn't support $options option"
4509 _require_filefrag_options "B"
4511 local file="$TEST_DIR/fibmap_testfile"
4514 ${FILEFRAG_PROG} -B $file 2>&1 | grep -q "FIBMAP[[:space:]]*unsupported"
4515 if [ $? -eq 0 ]; then
4516 _notrun "FIBMAP not supported by this filesystem"
4521 _try_wipe_scratch_devs()
4523 test -x "$WIPEFS_PROG" || return 0
4525 # Do specified filesystem wipe at first
4528 _try_wipe_scratch_xfs
4532 # Then do wipefs on all scratch devices
4533 for dev in $SCRATCH_DEV_POOL $SCRATCH_DEV $SCRATCH_LOGDEV $SCRATCH_RTDEV; do
4534 test -b $dev && $WIPEFS_PROG -a $dev
4538 # Only run this on xfs if xfs_scrub is available and has the unicode checker
4539 _check_xfs_scrub_does_unicode() {
4540 [ "${FSTYP}" == "xfs" ] || return 1
4545 _supports_xfs_scrub "${mount}" "${dev}" || return 1
4547 # We only care if xfs_scrub has unicode string support...
4548 if ! type ldd > /dev/null 2>&1 || \
4549 ! ldd "${XFS_SCRUB_PROG}" | grep -q libicui18n; then
4556 # exfat timestamps start at 1980 and cannot be prior to epoch
4557 _require_negative_timestamps() {
4560 _notrun "$FSTYP does not support negative timestamps"
4565 # Require the 'accton' userspace tool and CONFIG_BSD_PROCESS_ACCT=y.
4566 _require_bsd_process_accounting()
4568 _require_command "$ACCTON_PROG" accton
4569 $ACCTON_PROG on &> $tmp.test_accton
4570 cat $tmp.test_accton >> $seqres.full
4571 if grep 'Function not implemented' $tmp.test_accton; then
4572 _notrun "BSD process accounting support unavailable"
4574 $ACCTON_PROG off >> $seqres.full
4577 _require_sysctl_variable()
4580 sysctl $name &>/dev/null || _notrun "$name sysctl unavailable"
4585 mknod $TEST_DIR/$seq.null c 1 3 \
4586 || _notrun "$FSTYP does not support mknod/mkfifo"
4587 rm -f $TEST_DIR/$seq.null
4592 $GETCAP_PROG "$@" | _filter_getcap
4593 return ${PIPESTATUS[0]}
4596 _require_od_endian_flag()
4598 od --endian=little < /dev/null > /dev/null 2>&1 || \
4599 _notrun "od does not support endian flag"
4604 ################################################################################
4605 # make sure this script returns success