2 # SPDX-License-Identifier: GPL-2.0+
3 # Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
7 BC=$(which bc 2> /dev/null) || BC=
9 # Some tests are not relevant or functional when testing XFS realtime
10 # subvolumes along with the rtinherit=1 mkfs option. In these cases,
11 # this test will opt-out of the test.
12 _require_no_rtinherit()
14 [ "$FSTYP" = "xfs" ] && echo "$MKFS_OPTIONS" |
15 egrep -q "rtinherit([^=]|=1|$)" && \
16 _notrun "rtinherit mkfs option is not supported by this test."
22 _notrun "this test requires 'bc' tool for doing math operations"
28 [ $# -le 0 ] && return
29 LANG=C echo "scale=0; $@" | "$BC" -q 2> /dev/null
34 if [ "$HOSTOS" == "Linux" ]
36 command dd --help 2>&1 | grep noxfer >/dev/null
40 command dd status=noxfer $@
49 # Prints the md5 checksum of a given file
52 md5sum $1 | cut -d ' ' -f1
55 # Write a byte into a range of a file
61 local xfs_io_args="$5"
63 $XFS_IO_PROG $xfs_io_args -f -c "pwrite -S $pattern $offset $len" "$file"
66 # mmap-write a byte into a range of a file
74 $XFS_IO_PROG -f -c "mmap -rw 0 $mmap_len" -c "mwrite -S $pattern $offset $len" "$file"
77 # ls -l w/ selinux sometimes puts a dot at the end:
78 # -rwxrw-r--. id1 id2 file1
79 # Also filter out lost+found directory on extN file system if present
83 ls -l $* | sed "s/\(^[-rwxdlbcpsStT]*\)\. /\1 /" | grep -v 'lost+found'
107 echo "$_err_msg" | tee -a $seqres.full
108 echo "(see $seqres.full for details)"
111 # make sure we have a standard umask
114 # check for correct setup and source the $FSTYP specific functions now
117 [ "$XFS_LOGPRINT_PROG" = "" ] && _fatal "xfs_logprint not found"
118 [ "$XFS_REPAIR_PROG" = "" ] && _fatal "xfs_repair not found"
119 [ "$XFS_DB_PROG" = "" ] && _fatal "xfs_db not found"
120 [ "$MKFS_XFS_PROG" = "" ] && _fatal "mkfs_xfs not found"
121 [ "$XFS_INFO_PROG" = "" ] && _fatal "xfs_info not found"
126 [ "$MKFS_UDF_PROG" = "" ] && _fatal "mkfs_udf/mkudffs not found"
129 [ "$MKFS_BTRFS_PROG" = "" ] && _fatal "mkfs.btrfs not found"
134 [ "$MKFS_EXT4_PROG" = "" ] && _fatal "mkfs.ext4 not found"
137 [ "$MKFS_F2FS_PROG" = "" ] && _fatal "mkfs.f2fs not found"
154 [ "$MKFS_REISER4_PROG" = "" ] && _fatal "mkfs.reiser4 not found"
159 [ "$UBIUPDATEVOL_PROG" = "" ] && _fatal "ubiupdatevol not found"
163 if [ ! -z "$REPORT_LIST" ]; then
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 [ $? -eq 0 ]; then
187 MOUNTED_POINT_STACK="$mnt_point $MOUNTED_POINT_STACK"
193 # Unmount the last mounted mountpoint in MOUNTED_POINT_STACK
194 # and return it to caller
197 local last_mnt=`echo $MOUNTED_POINT_STACK | awk '{print $1}'`
199 if [ -n "$last_mnt" ]; then
200 $UMOUNT_PROG $last_mnt
202 MOUNTED_POINT_STACK=`echo $MOUNTED_POINT_STACK | cut -d\ -f2-`
205 # Unmount all mountpoints in MOUNTED_POINT_STACK and clear the stack
208 if [ -n "$MOUNTED_POINT_STACK" ]; then
209 $UMOUNT_PROG $MOUNTED_POINT_STACK
211 MOUNTED_POINT_STACK=""
221 if [ "$FSTYP" != "xfs" ]; then
227 SCRATCH_OPTIONS="$SCRATCH_OPTIONS -f"
236 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
237 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${rt_opt}rtdev=$SCRATCH_RTDEV"
238 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
239 SCRATCH_OPTIONS="$SCRATCH_OPTIONS ${log_opt}logdev=$SCRATCH_LOGDEV"
249 if [ "$FSTYP" != "xfs" ]; then
263 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_RTDEV" ] && \
264 TEST_OPTIONS="$TEST_OPTIONS ${rt_opt}rtdev=$TEST_RTDEV"
265 [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
266 TEST_OPTIONS="$TEST_OPTIONS ${log_opt}logdev=$TEST_LOGDEV"
272 local last_index=$(( $# - 1 ))
274 #get mount point to handle dmapi mtpt option correctly
275 [ $last_index -gt 0 ] && shift $last_index
278 echo $params | sed -e 's/dmapi/dmi/' \
279 | $PERL_PROG -ne "s#mtpt=[^,|^\n|^\s]*#mtpt=$fs_escaped\1\2#; print;"
283 # Used for mounting non-scratch devices (e.g. loop, dm constructs)
284 # with the safe set of scratch mount options (e.g. loop image may be
285 # hosted on $SCRATCH_DEV, so can't use external scratch devices).
286 _common_dev_mount_options()
288 echo $MOUNT_OPTIONS $SELINUX_MOUNT_OPTIONS $*
291 _scratch_mount_options()
293 _scratch_options mount
295 echo `_common_dev_mount_options $*` $SCRATCH_OPTIONS \
296 $SCRATCH_DEV $SCRATCH_MNT
303 local fstyp=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $2}'`
306 $XFS_INFO_PROG $dir | grep -q "ftype=1"
309 local dev=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $1}'`
310 tune2fs -l $dev | grep -q filetype
313 local testfile=$dir/$$.ftype
315 # look for DT_UNKNOWN files
316 local unknowns=$(src/t_dir_type $dir u | wc -l)
318 # 0 unknowns is success
324 # mount scratch device with given options but don't check mount status
327 if [ "$FSTYP" == "overlay" ]; then
328 _overlay_scratch_mount $*
331 _mount -t $FSTYP `_scratch_mount_options $*`
334 # mount scratch device with given options and _fail if mount fails
337 _try_scratch_mount $* || _fail "mount failed"
344 _overlay_scratch_unmount
347 $UMOUNT_PROG $SCRATCH_MNT
350 $UMOUNT_PROG $SCRATCH_DEV
359 if test -n "$opts"; then
360 mount -o "remount,$opts" $SCRATCH_MNT
364 _scratch_cycle_mount()
368 if [ "$FSTYP" = tmpfs ]; then
369 _scratch_remount "$opts"
372 if test -n "$opts"; then
376 _try_scratch_mount "$opts" || _fail "cycle mount failed"
381 if [ $FSTYP = "overlay" ]; then
382 # In lagacy overlay usage, it may specify directory as
383 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
384 # will be null, so check OVL_BASE_SCRATCH_DEV before
385 # running shutdown to avoid shutting down base fs accidently.
386 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
387 _fail "_scratch_shutdown: call _require_scratch_shutdown first in test"
389 src/godown $* $OVL_BASE_SCRATCH_MNT
392 src/godown $* $SCRATCH_MNT
398 if [ "$FSTYP" == "overlay" ]; then
399 _overlay_test_mount $*
403 _mount -t $FSTYP $TEST_OPTIONS $TEST_FS_MOUNT_OPTS $SELINUX_MOUNT_OPTIONS $* $TEST_DEV $TEST_DIR
408 if [ "$FSTYP" == "overlay" ]; then
409 _overlay_test_unmount
411 $UMOUNT_PROG $TEST_DEV
417 if [ "$FSTYP" = tmpfs ]; then
424 _scratch_mkfs_options()
426 _scratch_options mkfs
427 echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV
430 # Do the actual mkfs work on SCRATCH_DEV. Firstly mkfs with both MKFS_OPTIONS
431 # and user specified mkfs options, if that fails (due to conflicts between mkfs
432 # options), do a second mkfs with only user provided mkfs options.
434 # First param is the mkfs command without any mkfs options and device.
435 # Second param is the filter to remove unnecessary messages from mkfs stderr.
436 # Other extra mkfs options are followed.
442 local extra_mkfs_options=$*
444 local tmp=`mktemp -u`
446 # save mkfs output in case conflict means we need to run again.
447 # only the output for the mkfs that applies should be shown
448 eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
449 2>$tmp.mkfserr 1>$tmp.mkfsstd
452 # a mkfs failure may be caused by conflicts between $MKFS_OPTIONS and
453 # $extra_mkfs_options
454 if [ $mkfs_status -ne 0 -a -n "$extra_mkfs_options" ]; then
456 echo -n "** mkfs failed with extra mkfs options "
457 echo "added to \"$MKFS_OPTIONS\" by test $seq **"
458 echo -n "** attempting to mkfs using only test $seq "
459 echo "options: $extra_mkfs_options **"
462 # running mkfs again. overwrite previous mkfs output files
463 eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
464 2>$tmp.mkfserr 1>$tmp.mkfsstd
468 # output stored mkfs output, filtering unnecessary output from stderr
470 eval "cat $tmp.mkfserr | $mkfs_filter" >&2
472 rm -f $tmp.mkfserr $tmp.mkfsstd
482 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
483 options="-l $SCRATCH_LOGDEV"
485 xfs_metadump $options "$@" $SCRATCH_DEV $dumpfile
488 _setup_large_ext4_fs()
493 [ "$LARGE_SCRATCH_DEV" != yes ] && return 0
494 [ -z "$SCRATCH_DEV_EMPTY_SPACE" ] && SCRATCH_DEV_EMPTY_SPACE=0
495 [ $SCRATCH_DEV_EMPTY_SPACE -ge $fs_size ] && return 0
497 # Default free space in the FS is 50GB, but you can specify more via
498 # SCRATCH_DEV_EMPTY_SPACE
499 local space_to_consume=$(($fs_size - 50*1024*1024*1024 - $SCRATCH_DEV_EMPTY_SPACE))
501 # mount the filesystem and create 16TB - 4KB files until we consume
502 # all the necessary space.
503 _try_scratch_mount 2>&1 >$tmp_dir/mnt.err
505 if [ $status -ne 0 ]; then
507 cat $tmp_dir/mnt.err >&2
508 rm -f $tmp_dir/mnt.err
511 rm -f $tmp_dir/mnt.err
513 local file_size=$((16*1024*1024*1024*1024 - 4096))
515 while [ $space_to_consume -gt $file_size ]; do
518 -c "truncate $file_size" \
519 -c "falloc -k 0 $file_size" \
520 $SCRATCH_MNT/.use_space.$nfiles 2>&1
522 if [ $status -ne 0 ]; then
526 space_to_consume=$(( $space_to_consume - $file_size ))
527 nfiles=$(($nfiles + 1))
530 # consume the remaining space.
531 if [ $space_to_consume -gt 0 ]; then
533 -c "truncate $space_to_consume" \
534 -c "falloc -k 0 $space_to_consume" \
535 $SCRATCH_MNT/.use_space.$nfiles 2>&1
538 export NUM_SPACE_FILES=$nfiles
541 if [ $status -ne 0 ]; then
542 echo "large file prealloc failed"
543 cat $tmp_dir/mnt.err >&2
551 local mkfs_cmd="$MKFS_EXT4_PROG -F"
552 local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
553 local tmp=`mktemp -u`
556 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
557 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
558 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
560 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
563 if [ $mkfs_status -eq 0 -a "$LARGE_SCRATCH_DEV" = yes ]; then
564 # manually parse the mkfs output to get the fs size in bytes
565 local fs_size=`cat $tmp.mkfsstd | awk ' \
566 /^Block size/ { split($2, a, "="); bs = a[2] ; } \
567 / inodes, / { blks = $3 } \
568 /reserved for the super user/ { resv = $1 } \
569 END { fssize = bs * blks - resv; print fssize }'`
571 _setup_large_ext4_fs $fs_size
575 # output mkfs stdout and stderr
578 rm -f $tmp.mkfserr $tmp.mkfsstd
590 # do nothing for cifs
596 # do nothing for ceph
599 # do nothing for glusterfs
602 # do nothing for overlay
605 # do nothing for pvfs2
608 $MKFS_UDF_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
611 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
614 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* $TEST_DEV
617 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* $TEST_DEV
624 local tmp=`mktemp -u`
633 # do nothing for overlay
636 # do nothing for pvfs2
639 $MKFS_UDF_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
642 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* 2>$tmp.mkfserr 1>$tmp.mkfsstd
645 $MKFS_PROG -t $FSTYP -- -F $MKFS_OPTIONS $* \
646 2>$tmp.mkfserr 1>$tmp.mkfsstd
649 $MKFS_PROG -t $FSTYP -- -f $MKFS_OPTIONS $* \
650 2>$tmp.mkfserr 1>$tmp.mkfsstd
653 yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* \
654 2>$tmp.mkfserr 1>$tmp.mkfsstd
658 if [ $? -ne 0 ]; then
659 # output stored mkfs output
665 rm -f $tmp.mkfserr $tmp.mkfsstd
668 # remove all files in $SCRATCH_MNT, useful when testing on NFS/CIFS
669 _scratch_cleanup_files()
673 # Avoid rm -rf /* if we messed up
674 [ -n "$OVL_BASE_SCRATCH_MNT" ] || return 1
675 _overlay_base_scratch_mount || return 1
676 rm -rf $OVL_BASE_SCRATCH_MNT/* || return 1
677 _overlay_mkdirs $OVL_BASE_SCRATCH_MNT
678 # leave base fs mouted so tests can setup lower/upper dir files
681 [ -n "$SCRATCH_MNT" ] || return 1
683 rm -rf $SCRATCH_MNT/*
696 nfs*|cifs|ceph|overlay|glusterfs|pvfs2|9p)
697 # unable to re-create this fstyp, just remove all files in
698 # $SCRATCH_MNT to avoid EEXIST caused by the leftover files
699 # created in previous runs
700 _scratch_cleanup_files
704 # do nothing for tmpfs
708 # erase the UBI volume; reformated automatically on next mount
709 $UBIUPDATEVOL_PROG ${SCRATCH_DEV} -t
713 _scratch_mkfs_ext4 $*
721 mkfs_cmd="$MKFS_UDF_PROG"
725 mkfs_cmd="$MKFS_BTRFS_PROG"
729 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
730 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
732 # put journal on separate device?
733 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
734 $mkfs_cmd -O journal_dev $MKFS_OPTIONS $SCRATCH_LOGDEV && \
735 mkfs_cmd="$mkfs_cmd -J device=$SCRATCH_LOGDEV"
738 mkfs_cmd="$MKFS_PROG -t $FSTYP -- -F"
739 mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
742 mkfs_cmd="$MKFS_F2FS_PROG"
746 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
747 mkfs_filter="grep -v -e ^mkfs\.ocfs2"
750 mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
755 _scratch_do_mkfs "$mkfs_cmd" "$mkfs_filter" $*
759 # Helper function to get a spare or replace-target device from
760 # configured SCRATCH_DEV_POLL, must call _scratch_dev_pool_get()
761 # before _spare_dev_get(). Replace-target-device/Spare-device will
762 # be assigned to SPARE_DEV.
763 # As of now only one replace-target-device/spare-device can be
767 # _scratch_dev_pool_get() <ndevs>
771 # _scratch_dev_pool_put()
775 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
776 if [ $? -ne 0 ]; then
777 _fail "Bug: unset val, must call _scratch_dev_pool_get before _spare_dev_get"
780 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
781 _fail "Bug: str empty, must call _scratch_dev_pool_get before _spare_dev_get"
784 # Check if the spare is already assigned
785 typeset -p SPARE_DEV >/dev/null 2>&1
786 if [ $? -eq 0 ]; then
787 if [ ! -z "$SPARE_DEV" ]; then
788 _fail "Bug: SPARE_DEV = $SPARE_DEV already assigned"
792 local ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
793 local config_ndevs=`echo $SCRATCH_DEV_POOL_SAVED| wc -w`
795 if [ $ndevs -eq $config_ndevs ]; then
796 _notrun "All devs used no spare"
798 # Get a dev that is not used
799 local -a devs="( $SCRATCH_DEV_POOL_SAVED )"
800 SPARE_DEV=${devs[@]:$ndevs:1}
806 typeset -p SPARE_DEV >/dev/null 2>&1
807 if [ $? -ne 0 ]; then
808 _fail "Bug: unset val, must call _spare_dev_get before its put"
811 if [ -z "$SPARE_DEV" ]; then
812 _fail "Bug: str empty, must call _spare_dev_get before its put"
819 # Generally test cases will have..
820 # _require_scratch_dev_pool X
821 # to make sure it has the enough scratch devices including
822 # replace-target and spare device. Now arg1 here is the
823 # required number of scratch devices by a-test-case excluding
824 # the replace-target and spare device. So this function will
825 # set SCRATCH_DEV_POOL to the specified number of devices.
828 # _scratch_dev_pool_get() <ndevs>
831 # _scratch_dev_pool_put()
833 _scratch_dev_pool_get()
835 if [ $# -ne 1 ]; then
836 _fail "Usage: _scratch_dev_pool_get ndevs"
840 local config_ndevs=`echo $SCRATCH_DEV_POOL| wc -w`
841 local -a devs="( $SCRATCH_DEV_POOL )"
843 typeset -p config_ndevs >/dev/null 2>&1
844 if [ $? -ne 0 ]; then
845 _fail "Bug: cant find SCRATCH_DEV_POOL ndevs"
848 if [ $config_ndevs -lt $test_ndevs ]; then
849 _notrun "Need at least test requested number of ndevs $test_ndevs"
852 SCRATCH_DEV_POOL_SAVED=${SCRATCH_DEV_POOL}
853 export SCRATCH_DEV_POOL_SAVED
854 SCRATCH_DEV_POOL=${devs[@]:0:$test_ndevs}
855 export SCRATCH_DEV_POOL
858 _scratch_dev_pool_put()
860 typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1
861 if [ $? -ne 0 ]; then
862 _fail "Bug: unset val, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
865 if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then
866 _fail "Bug: str empty, must call _scratch_dev_pool_get before _scratch_dev_pool_put"
869 export SCRATCH_DEV_POOL=$SCRATCH_DEV_POOL_SAVED
870 export SCRATCH_DEV_POOL_SAVED=""
877 # if dup profile is in mkfs options call _scratch_mkfs instead
878 # because dup profile only works with single device
879 if [[ "$*" =~ dup ]]; then
882 $MKFS_BTRFS_PROG $MKFS_OPTIONS $* $SCRATCH_DEV_POOL > /dev/null
886 echo "_scratch_pool_mkfs is not implemented for $FSTYP" 1>&2
891 # Return the amount of free memory available on the system
894 free -b | grep ^Mem | awk '{print $4}'
897 # Create fs of certain size on scratch device
898 # _scratch_mkfs_sized <size in bytes> [optional blocksize]
899 _scratch_mkfs_sized()
907 def_blksz=`echo $MKFS_OPTIONS|sed -rn 's/.*-b ?size= ?+([0-9]+).*/\1/p'`
909 ext2|ext3|ext4|ext4dev|udf|btrfs|reiser4|ocfs2|reiserfs)
910 def_blksz=`echo $MKFS_OPTIONS| sed -rn 's/.*-b ?+([0-9]+).*/\1/p'`
917 [ -n "$def_blksz" ] && blocksize=$def_blksz
918 [ -z "$blocksize" ] && blocksize=4096
922 if ! [[ $fssize =~ $re ]] ; then
923 _notrun "error: _scratch_mkfs_sized: fs size \"$fssize\" not an integer."
925 if ! [[ $blocksize =~ $re ]] ; then
926 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
929 local blocks=`expr $fssize / $blocksize`
931 if [ "$HOSTOS" == "Linux" -a -b "$SCRATCH_DEV" ]; then
932 local devsize=`blockdev --getsize64 $SCRATCH_DEV`
933 [ "$fssize" -gt "$devsize" ] && _notrun "Scratch device too small"
938 # don't override MKFS_OPTIONS that set a block size.
939 echo $MKFS_OPTIONS |egrep -q "b?size="
940 if [ $? -eq 0 ]; then
941 _scratch_mkfs_xfs -d size=$fssize
943 _scratch_mkfs_xfs -d size=$fssize -b size=$blocksize
946 ext2|ext3|ext4|ext4dev)
947 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
950 # mkfs.gfs2 doesn't automatically shrink journal files on small
951 # filesystems, so the journal files may end up being bigger than the
952 # filesystem, which will cause mkfs.gfs2 to fail. Until that's fixed,
953 # shrink the journal size to at most one eigth of the filesystem and at
954 # least 8 MiB, the minimum size allowed.
955 local min_journal_size=8
956 local default_journal_size=128
957 if (( fssize/8 / (1024*1024) < default_journal_size )); then
958 local journal_size=$(( fssize/8 / (1024*1024) ))
959 (( journal_size >= min_journal_size )) || journal_size=$min_journal_size
960 MKFS_OPTIONS="-J $journal_size $MKFS_OPTIONS"
962 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV $blocks
965 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
968 $MKFS_UDF_PROG $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
972 (( fssize <= 1024 * 1024 * 1024 )) && mixed_opt='--mixed'
973 $MKFS_BTRFS_PROG $MKFS_OPTIONS $mixed_opt -b $fssize $SCRATCH_DEV
976 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS $SCRATCH_DEV $blocks
979 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV $blocks
982 # mkfs.resier4 requires size in KB as input for creating filesystem
983 $MKFS_REISER4_PROG $MKFS_OPTIONS -y -b $blocksize $SCRATCH_DEV \
984 `expr $fssize / 1024`
987 # mkfs.f2fs requires # of sectors as an input for the size
988 local sector_size=`blockdev --getss $SCRATCH_DEV`
989 $MKFS_F2FS_PROG $MKFS_OPTIONS $SCRATCH_DEV `expr $fssize / $sector_size`
992 local free_mem=`_free_memory_bytes`
993 if [ "$free_mem" -lt "$fssize" ] ; then
994 _notrun "Not enough memory ($free_mem) for tmpfs with $fssize bytes"
996 export MOUNT_OPTIONS="-o size=$fssize $TMPFS_MOUNT_OPTIONS"
999 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized"
1004 # Emulate an N-data-disk stripe w/ various stripe units
1005 # _scratch_mkfs_geom <sunit bytes> <swidth multiplier> [optional blocksize]
1006 _scratch_mkfs_geom()
1008 local sunit_bytes=$1
1009 local swidth_mult=$2
1011 [ -z "$blocksize" ] && blocksize=4096
1013 local sunit_blocks=$(( sunit_bytes / blocksize ))
1014 local swidth_blocks=$(( sunit_blocks * swidth_mult ))
1018 MKFS_OPTIONS+=" -b size=$blocksize, -d su=$sunit_bytes,sw=$swidth_mult"
1021 MKFS_OPTIONS+=" -b $blocksize -E stride=$sunit_blocks,stripe_width=$swidth_blocks"
1024 _notrun "can't mkfs $FSTYP with geometry"
1030 # Create fs of certain blocksize on scratch device
1031 # _scratch_mkfs_blocksized blocksize
1032 _scratch_mkfs_blocksized()
1037 if ! [[ $blocksize =~ $re ]] ; then
1038 _notrun "error: _scratch_mkfs_sized: block size \"$blocksize\" not an integer."
1043 _scratch_mkfs_xfs $MKFS_OPTIONS -b size=$blocksize
1046 ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize $SCRATCH_DEV
1049 ${MKFS_PROG}.$FSTYP $MKFS_OPTIONS -O -b $blocksize $SCRATCH_DEV
1052 yes | ${MKFS_PROG}.$FSTYP -F $MKFS_OPTIONS -b $blocksize -C $blocksize $SCRATCH_DEV
1055 _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_blocksized"
1064 xfs_io -x -c "resblks $1" $SCRATCH_MNT
1072 # Repair scratch filesystem. Returns 0 if the FS is good to go (either no
1073 # errors found or errors were fixed) and nonzero otherwise; also spits out
1074 # a complaint on stderr if fsck didn't tell us that the FS is good to go.
1075 _repair_scratch_fs()
1079 _scratch_xfs_repair "$@" 2>&1
1081 if [ "$res" -ne 0 ]; then
1082 echo "xfs_repair returns $res; replay log?"
1085 if [ "$res" -gt 0 ]; then
1086 echo "mount returns $res; zap log?"
1087 _scratch_xfs_repair -L 2>&1
1088 echo "log zap returns $?"
1090 umount "$SCRATCH_MNT"
1092 _scratch_xfs_repair "$@" 2>&1
1095 if [ $res -ne 0 ]; then
1096 _dump_err2 "xfs_repair failed, err=$res"
1101 # Let's hope fsck -y suffices...
1102 fsck -t $FSTYP -y $SCRATCH_DEV 2>&1
1109 _dump_err2 "fsck.$FSTYP failed, err=$res"
1121 echo "Usage: _get_pids_by_name process-name" 1>&2
1125 # Algorithm ... all ps(1) variants have a time of the form MM:SS or
1126 # HH:MM:SS before the psargs field, use this as the search anchor.
1128 # Matches with $1 (process-name) occur if the first psarg is $1
1129 # or ends in /$1 ... the matching uses sed's regular expressions,
1130 # so passing a regex into $1 will work.
1135 -e 's/[ ][ ]*/ /g' \
1138 -e "/[0-9]:[0-9][0-9] *[^ ]*\/$1 /s/ .*//p" \
1139 -e "/[0-9]:[0-9][0-9] *$1 /s/ .*//p"
1143 # _df_device : get an IRIX style df line for a given device
1145 # - returns "" if not mounted
1146 # - returns fs type in field two (ala IRIX)
1147 # - joins line together if split by fancy df formatting
1148 # - strips header etc
1155 echo "Usage: _df_device device" 1>&2
1159 # Note that we use "==" here so awk doesn't try to interpret an NFS over
1160 # IPv6 server as a regular expression.
1161 $DF_PROG 2>/dev/null | $AWK_PROG -v what=$1 '
1162 ($1==what) && (NF==1) {
1176 # _df_dir : get an IRIX style df line for device where a directory resides
1178 # - returns fs type in field two (ala IRIX)
1179 # - joins line together if split by fancy df formatting
1180 # - strips header etc
1187 echo "Usage: _df_dir device" 1>&2
1191 $DF_PROG $1 2>/dev/null | $AWK_PROG -v what=$1 '
1207 # return percentage used disk space for mounted device
1213 echo "Usage: _used device" 1>&2
1217 _df_device $1 | $AWK_PROG '{ sub("%", "") ; print $6 }'
1220 # return the FS type of a mounted device
1226 echo "Usage: _fs_type device" 1>&2
1231 # The Linux kernel shows NFSv4 filesystems in df output as
1232 # filesystem type nfs4, although we mounted it as nfs earlier.
1233 # Fix the filesystem type up here so that the callers don't
1234 # have to bother with this quirk.
1236 _df_device $1 | $AWK_PROG '{ print $2 }' | \
1237 sed -e 's/nfs4/nfs/' -e 's/fuse.glusterfs/glusterfs/'
1240 # return the FS mount options of a mounted device
1242 # should write a version which just parses the output of mount for IRIX
1243 # compatibility, but since this isn't used at all, at the moment I'll leave
1250 echo "Usage: _fs_options device" 1>&2
1254 $AWK_PROG -v dev=$1 '
1255 match($1,dev) { print $4 }
1259 # returns device number if a file is a block device
1265 echo "Usage: _is_block_dev dev" 1>&2
1270 if [ -L "$dev" ]; then
1271 dev=`readlink -f "$dev"`
1274 if [ -b "$dev" ]; then
1275 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1279 # returns device number if a file is a character device
1283 if [ $# -ne 1 ]; then
1284 echo "Usage: _is_char_dev dev" 1>&2
1289 if [ -L "$dev" ]; then
1290 dev=`readlink -f "$dev"`
1293 if [ -c "$dev" ]; then
1294 src/lstat64 "$dev" | $AWK_PROG '/Device type:/ { print $9 }'
1298 # Do a command, log it to $seqres.full, optionally test return status
1299 # and die if command fails. If called with one argument _do executes the
1300 # command, logs it, and returns its exit status. With two arguments _do
1301 # first prints the message passed in the first argument, and then "done"
1302 # or "fail" depending on the return status of the command passed in the
1303 # second argument. If the command fails and the variable _do_die_on_error
1304 # is set to "always" or the two argument form is used and _do_die_on_error
1305 # is set to "message_only" _do will print an error message to
1306 # $seqres.out and exit.
1310 if [ $# -eq 1 ]; then
1312 elif [ $# -eq 2 ]; then
1317 echo "Usage: _do [note] cmd" 1>&2
1321 (eval "echo '---' \"$cmd\"") >>$seqres.full
1322 (eval "$cmd") >$tmp._out 2>&1
1324 cat $tmp._out >>$seqres.full
1326 if [ $# -eq 2 ]; then
1327 if [ $ret -eq 0 ]; then
1334 && [ "$_do_die_on_error" = "always" \
1335 -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
1337 [ $# -ne 2 ] && echo
1338 eval "echo \"$cmd\" failed \(returned $ret\): see $seqres.full"
1345 # bail out, setting up .notrun file. Need to kill the filesystem check files
1346 # here, otherwise they are set incorrectly for the next test.
1350 echo "$*" > $seqres.notrun
1351 echo "$seq not run: $*"
1352 rm -f ${RESULT_DIR}/require_test*
1353 rm -f ${RESULT_DIR}/require_scratch*
1359 # just plain bail out
1363 echo "$*" | tee -a $seqres.full
1364 echo "(see $seqres.full for details)"
1369 # tests whether $FSTYP is one of the supported filesystems for a test
1377 if [ "$f" = "$FSTYP" -o "$f" = "generic" ]
1383 _notrun "not suitable for this filesystem type: $FSTYP"
1387 # tests whether $FSTYP is one of the supported OSes for a test
1395 if [ "$h" = "$HOSTOS" ]
1401 _notrun "not suitable for this OS: $HOSTOS"
1404 # check if a FS on a device is mounted
1405 # if so, verify that it is mounted on mount point
1406 # if fstype is given as argument, verify that it is also
1407 # mounted with correct fs type
1417 # find $dev as the source, and print result in "$dev $mnt" format
1418 local mount_rec=`findmnt -rncv -S $dev -o SOURCE,TARGET`
1419 [ -n "$mount_rec" ] || return 1 # 1 = not mounted
1421 # if it's mounted, make sure its on $mnt
1422 if [ "$mount_rec" != "$dev $mnt" ]; then
1423 echo "$devname=$dev is mounted but not on $mntname=$mnt - aborting"
1424 echo "Already mounted result:"
1426 return 2 # 2 = mounted on wrong mnt
1429 if [ -n "$type" -a "`_fs_type $dev`" != "$type" ]; then
1430 echo "$devname=$dev is mounted but not a type $type filesystem"
1431 # raw $DF_PROG cannot handle NFS/CIFS/overlay correctly
1433 return 3 # 3 = mounted as wrong type
1435 return 0 # 0 = mounted as expected
1438 # this test needs a scratch partition - check we're ok & unmount it
1439 # No post-test check of the device is required. e.g. the test intentionally
1440 # finishes the test with the filesystem in a corrupt state
1441 _require_scratch_nocheck()
1445 echo $SCRATCH_DEV | egrep -q ":/?" > /dev/null 2>&1
1446 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1447 _notrun "this test requires a valid \$SCRATCH_DEV"
1449 if [ ! -d "$SCRATCH_MNT" ]; then
1450 _notrun "this test requires a valid \$SCRATCH_MNT"
1454 if [ -z "$SCRATCH_DEV" ]; then
1455 _notrun "this test requires a valid \$SCRATCH_DEV"
1457 if [ ! -d "$SCRATCH_MNT" ]; then
1458 _notrun "this test requires a valid \$SCRATCH_MNT"
1462 echo $SCRATCH_DEV | grep -q ":/" > /dev/null 2>&1
1463 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1464 _notrun "this test requires a valid \$SCRATCH_DEV"
1466 if [ ! -d "$SCRATCH_MNT" ]; then
1467 _notrun "this test requires a valid \$SCRATCH_MNT"
1471 echo $SCRATCH_DEV | grep -q "://" > /dev/null 2>&1
1472 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1473 _notrun "this test requires a valid \$SCRATCH_DEV"
1475 if [ ! -d "$SCRATCH_MNT" ]; then
1476 _notrun "this test requires a valid \$SCRATCH_MNT"
1480 echo $SCRATCH_DEV | grep -q "//" > /dev/null 2>&1
1481 if [ -z "$SCRATCH_DEV" -o "$?" != "0" ]; then
1482 _notrun "this test requires a valid \$SCRATCH_DEV"
1484 if [ ! -d "$SCRATCH_MNT" ]; then
1485 _notrun "this test requires a valid \$SCRATCH_MNT"
1489 if [ -z "$OVL_BASE_SCRATCH_MNT" -o ! -d "$OVL_BASE_SCRATCH_MNT" ]; then
1490 _notrun "this test requires a valid \$OVL_BASE_SCRATCH_MNT as ovl base dir"
1492 # if $SCRATCH_MNT is derived from $OVL_BASE_SCRATCH_MNT then
1493 # don't check $SCRATCH_MNT dir here because base fs may not be mounted
1494 # and we will create the mount point anyway on _overlay_mount
1495 if [ "$SCRATCH_MNT" != "$OVL_BASE_SCRATCH_MNT/$OVL_MNT" -a ! -d "$SCRATCH_MNT" ]; then
1496 _notrun "this test requires a valid \$SCRATCH_MNT"
1500 if [ -z "$SCRATCH_DEV" -o ! -d "$SCRATCH_MNT" ];
1502 _notrun "this test requires a valid \$SCRATCH_MNT and unique $SCRATCH_DEV"
1506 # ubifs needs an UBI volume. This will be a char device, not a block device.
1507 if [ ! -c "$SCRATCH_DEV" ]; then
1508 _notrun "this test requires a valid UBI volume for \$SCRATCH_DEV"
1510 if [ ! -d "$SCRATCH_MNT" ]; then
1511 _notrun "this test requires a valid \$SCRATCH_MNT"
1515 if [ -z "$SCRATCH_DEV" -o "`_is_block_dev "$SCRATCH_DEV"`" = "" ]
1517 _notrun "this test requires a valid \$SCRATCH_DEV"
1519 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1521 _notrun "this test requires a valid \$SCRATCH_DEV"
1523 if [ ! -d "$SCRATCH_MNT" ]
1525 _notrun "this test requires a valid \$SCRATCH_MNT"
1530 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
1532 [ $err -le 1 ] || exit 1
1535 # if it's mounted, unmount it
1536 if ! _scratch_unmount
1538 echo "failed to unmount $SCRATCH_DEV"
1542 rm -f ${RESULT_DIR}/require_scratch
1545 # we need the scratch device and it should be checked post test.
1548 _require_scratch_nocheck
1549 touch ${RESULT_DIR}/require_scratch
1552 # require a scratch dev of a minimum size (in kb)
1553 _require_scratch_size()
1555 [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
1558 local devsize=`_get_device_size $SCRATCH_DEV`
1559 [ $devsize -lt $1 ] && _notrun "scratch dev too small"
1563 # this test needs a test partition - check we're ok & mount it
1569 echo $TEST_DEV | egrep -q ":/?" > /dev/null 2>&1
1570 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1571 _notrun "this test requires a valid \$TEST_DEV"
1573 if [ ! -d "$TEST_DIR" ]; then
1574 _notrun "this test requires a valid \$TEST_DIR"
1578 if [ -z "$TEST_DEV" ]; then
1579 _notrun "this test requires a valid \$TEST_DEV"
1581 if [ ! -d "$TEST_DIR" ]; then
1582 _notrun "this test requires a valid \$TEST_DIR"
1586 echo $TEST_DEV | grep -q ":/" > /dev/null 2>&1
1587 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1588 _notrun "this test requires a valid \$TEST_DEV"
1590 if [ ! -d "$TEST_DIR" ]; then
1591 _notrun "this test requires a valid \$TEST_DIR"
1595 echo $TEST_DEV | grep -q "//" > /dev/null 2>&1
1596 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1597 _notrun "this test requires a valid \$TEST_DEV"
1599 if [ ! -d "$TEST_DIR" ]; then
1600 _notrun "this test requires a valid \$TEST_DIR"
1604 echo $TEST_DEV | grep -q "://" > /dev/null 2>&1
1605 if [ -z "$TEST_DEV" -o "$?" != "0" ]; then
1606 _notrun "this test requires a valid \$TEST_DIR"
1608 if [ ! -d "$TEST_DIR" ]; then
1609 _notrun "this test requires a valid \$TEST_DIR"
1613 if [ -z "$OVL_BASE_TEST_DIR" -o ! -d "$OVL_BASE_TEST_DIR" ]; then
1614 _notrun "this test requires a valid \$TEST_DIR as ovl base dir"
1616 if [ ! -d "$TEST_DIR" ]; then
1617 _notrun "this test requires a valid \$TEST_DIR"
1621 if [ -z "$TEST_DEV" -o ! -d "$TEST_DIR" ];
1623 _notrun "this test requires a valid \$TEST_DIR and unique $TEST_DEV"
1627 # ubifs needs an UBI volume. This will be a char device, not a block device.
1628 if [ ! -c "$TEST_DEV" ]; then
1629 _notrun "this test requires a valid UBI volume for \$TEST_DEV"
1631 if [ ! -d "$TEST_DIR" ]; then
1632 _notrun "this test requires a valid \$TEST_DIR"
1636 if [ -z "$TEST_DEV" ] || [ "`_is_block_dev "$TEST_DEV"`" = "" ]
1638 _notrun "this test requires a valid \$TEST_DEV"
1640 if [ "`_is_block_dev "$SCRATCH_DEV"`" = "`_is_block_dev "$TEST_DEV"`" ]
1642 _notrun "this test requires a valid \$TEST_DEV"
1644 if [ ! -d "$TEST_DIR" ]
1646 _notrun "this test requires a valid \$TEST_DIR"
1651 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR
1653 [ $err -le 1 ] || exit 1
1658 echo "!!! failed to mount $TEST_DEV on $TEST_DIR"
1662 touch ${RESULT_DIR}/require_test
1668 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && ret=1
1669 [ "$USE_EXTERNAL" != yes ] && ret=1
1674 # this test needs a logdev
1678 [ -z "$SCRATCH_LOGDEV" -o ! -b "$SCRATCH_LOGDEV" ] && \
1679 _notrun "This test requires a valid \$SCRATCH_LOGDEV"
1680 [ "$USE_EXTERNAL" != yes ] && \
1681 _notrun "This test requires USE_EXTERNAL to be enabled"
1683 # ensure its not mounted
1684 $UMOUNT_PROG $SCRATCH_LOGDEV 2>/dev/null
1687 # this test requires loopback device support
1691 if [ "$HOSTOS" != "Linux" ]
1693 _notrun "This test requires linux for loopback device support"
1696 modprobe loop >/dev/null 2>&1
1697 if grep loop /proc/devices >/dev/null 2>&1
1701 _notrun "This test requires loopback device support"
1705 # this test requires ext2 filesystem support
1709 if [ "$HOSTOS" != "Linux" ]
1711 _notrun "This test requires linux for ext2 filesystem support"
1714 modprobe ext2 >/dev/null 2>&1
1715 if grep ext2 /proc/filesystems >/dev/null 2>&1
1719 _notrun "This test requires ext2 filesystem support"
1723 # this test requires tmpfs filesystem support
1727 modprobe tmpfs >/dev/null 2>&1
1728 grep -q tmpfs /proc/filesystems ||
1729 _notrun "this test requires tmpfs support"
1732 # this test requires that (large) loopback device files are not in use
1734 _require_no_large_scratch_dev()
1736 [ "$LARGE_SCRATCH_DEV" = yes ] && \
1737 _notrun "Large filesystem testing in progress, skipped this test"
1740 # this test requires that a realtime subvolume is in use, and
1741 # that the kernel supports realtime as well.
1745 [ "$USE_EXTERNAL" = yes ] || \
1746 _notrun "External volumes not in use, skipped this test"
1747 [ "$SCRATCH_RTDEV" = "" ] && \
1748 _notrun "Realtime device required, skipped this test"
1751 # This test requires that a realtime subvolume is not in use
1753 _require_no_realtime()
1755 [ "$USE_EXTERNAL" = "yes" ] && [ -n "$SCRATCH_RTDEV" ] && \
1756 _notrun "Test not compatible with realtime subvolumes, skipped this test"
1759 # this test requires that a specified command (executable) exists
1760 # $1 - command, $2 - name for error message
1762 # Note: the command string might have parameters, so strip them before checking
1763 # whether it is executable.
1766 if [ $# -eq 2 ]; then
1768 elif [ $# -eq 1 ]; then
1771 _fail "usage: _require_command <command> [<name>]"
1774 local command=`echo "$1" | awk '{ print $1 }'`
1775 if [ ! -x "$command" ]; then
1776 _notrun "$name utility required, skipped this test"
1780 # this test requires the device to be valid block device
1782 _require_block_device()
1784 if [ -z "$1" ]; then
1785 echo "Usage: _require_block_device <dev>" 1>&2
1788 if [ "`_is_block_dev "$1"`" == "" ]; then
1789 _notrun "require $1 to be valid block disk"
1793 # this test requires a path to refere to a local block or character device
1795 _require_local_device()
1797 if [ -z "$1" ]; then
1798 echo "Usage: _require_local_device <dev>" 1>&2
1801 if [ "`_is_block_dev "$1"`" != "" ]; then
1804 if [ "`_is_char_dev "$1"`" != "" ]; then
1807 _notrun "require $1 to be local device"
1810 # brd based ram disks erase the device when they receive a flush command when no
1811 # active references are present. This causes problems for DM devices sitting on
1812 # top of brd devices as DM doesn't hold active references to the brd device.
1813 _require_sane_bdev_flush()
1815 echo $1 | grep -q "^/dev/ram[0-9]\+$"
1816 if [ $? -eq 0 ]; then
1817 _notrun "This test requires a sane block device flush"
1821 # this test requires a specific device mapper target
1822 _require_dm_target()
1826 # require SCRATCH_DEV to be a valid block device with sane BLKFLSBUF
1828 _require_block_device $SCRATCH_DEV
1829 _require_sane_bdev_flush $SCRATCH_DEV
1830 _require_command "$DMSETUP_PROG" dmsetup
1832 modprobe dm-$target >/dev/null 2>&1
1834 $DMSETUP_PROG targets 2>&1 | grep -q ^$target
1835 if [ $? -ne 0 ]; then
1836 _notrun "This test requires dm $target support"
1840 # this test requires the ext4 kernel support crc feature on scratch device
1842 _require_scratch_ext4_crc()
1844 _scratch_mkfs_ext4 >/dev/null 2>&1
1845 dumpe2fs -h $SCRATCH_DEV 2> /dev/null | grep -q metadata_csum || _notrun "metadata_csum not supported by this filesystem"
1846 _try_scratch_mount >/dev/null 2>&1 \
1847 || _notrun "Kernel doesn't support metadata_csum feature"
1851 # Check whether the specified feature whether it is supported by
1852 # mkfs.ext4 and the kernel.
1853 _require_scratch_ext4_feature()
1855 if [ -z "$1" ]; then
1856 echo "Usage: _require_scratch_ext4_feature feature"
1859 $MKFS_EXT4_PROG -F $MKFS_OPTIONS -O "$1" \
1860 $SCRATCH_DEV 512m >/dev/null 2>&1 \
1861 || _notrun "mkfs.ext4 doesn't support $1 feature"
1862 _try_scratch_mount >/dev/null 2>&1 \
1863 || _notrun "Kernel doesn't support the ext4 feature(s): $1"
1867 # this test requires that external log/realtime devices are not in use
1869 _require_nonexternal()
1871 [ "$USE_EXTERNAL" = yes ] && \
1872 _notrun "External device testing in progress, skipped this test"
1875 # this test requires that the kernel supports asynchronous I/O
1878 $here/src/feature -A
1883 _notrun "kernel does not support asynchronous I/O"
1886 _fail "unexpected error testing for asynchronous I/O support"
1891 # this test requires that a (specified) aio-dio executable exists
1892 # and that the kernel supports asynchronous I/O.
1893 # $1 - command (optional)
1899 AIO_TEST=src/aio-dio-regress/aiodio_sparse2
1900 [ -x $AIO_TEST ] || _notrun "aio-dio utilities required"
1902 AIO_TEST=src/aio-dio-regress/$1
1903 [ -x $AIO_TEST ] || _notrun "$AIO_TEST not built"
1909 # this test requires that a test program exists under src/
1910 # $1 - command (require)
1912 _require_test_program()
1915 [ -x $prog ] || _notrun "$prog not built"
1918 # run an aio-dio program
1924 echo "usage: _run_aiodio command_name" 2>&1
1930 local testtemp=$TEST_DIR/aio-testfile
1932 $AIO_TEST $testtemp 2>&1
1939 # this test requires y2038 sysfs switch and filesystem
1940 # timestamp ranges support.
1943 local device=${1:-$TEST_DEV}
1944 local sysfsdir=/proc/sys/fs/fs-timestamp-check-on
1946 if [ ! -e $sysfsdir ]; then
1947 _notrun "no kernel support for y2038 sysfs switch"
1951 read tsmin tsmax <<<$(_filesystem_timestamp_range $device)
1952 if [ $tsmin -eq -1 -a $tsmax -eq -1 ]; then
1953 _notrun "filesystem $FSTYP timestamp bounds are unknown"
1957 _filesystem_timestamp_range()
1959 local device=${1:-$TEST_DEV}
1962 if [ $(dumpe2fs -h $device 2>/dev/null | grep "Inode size:" | cut -d: -f2) -gt 128 ]; then
1963 echo "-2147483648 15032385535"
1965 echo "-2147483648 2147483647"
1970 echo "-2147483648 2147483647"
1976 echo "-2147483648 2147483647"
1984 # indicate whether YP/NIS is active or not
1989 dn=$(domainname 2>/dev/null)
1990 local ypcat=$(type -P ypcat)
1991 test -n "${dn}" -a "${dn}" != "(none)" -a "${dn}" != "localdomain" -a -n "${ypcat}"
1995 # cat the password file
1999 [ $(_yp_active) -eq 0 ] && ypcat passwd
2003 # cat the group file
2007 [ $(_yp_active) -eq 0 ] && ypcat group
2011 # check for a user on the machine, fsgqa as default
2019 _cat_passwd | grep -q $qa_user
2020 [ "$?" == "0" ] || _notrun "$qa_user user not defined."
2021 echo /bin/true | su $qa_user
2022 [ "$?" == "0" ] || _notrun "$qa_user cannot execute commands."
2025 # check for a group on the machine, fsgqa as default
2033 _cat_group | grep -q $qa_group
2034 [ "$?" == "0" ] || _notrun "$qa_group group not defined."
2040 s,.*Permission\sdenied.*,Permission denied,;
2041 s,.*no\saccess\sto\stty.*,,;
2042 s,.*no\sjob\scontrol\sin\sthis\sshell.*,,;
2049 echo $1 | su -s /bin/bash $qa_user 2>&1 | _filter_user_do
2052 _require_xfs_io_command()
2056 echo "Usage: _require_xfs_io_command command [switch]" 1>&2
2062 local param_checked=0
2065 local testfile=$TEST_DIR/$$.xfs_io
2069 testio=`$XFS_IO_PROG -F -f -c "chproj 0" $testfile 2>&1`
2072 local testcopy=$TEST_DIR/$$.copy.xfs_io
2073 $XFS_IO_PROG -F -f -c "pwrite 0 4k" $testfile > /dev/null 2>&1
2074 testio=`$XFS_IO_PROG -F -f -c "copy_range $testfile" $testcopy 2>&1`
2075 rm -f $testcopy > /dev/null 2>&1
2078 testio=`$XFS_IO_PROG -F -f -c "falloc $param 0 1m" $testfile 2>&1`
2081 "fpunch" | "fcollapse" | "zero" | "fzero" | "finsert" | "funshare")
2082 local blocksize=$(_get_block_size $TEST_DIR)
2083 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 $((5 * $blocksize))" \
2084 -c "fsync" -c "$command $blocksize $((2 * $blocksize))" \
2088 # If 'ranged' is passed as argument then we check to see if fiemap supports
2089 # ranged query params
2090 if echo "$param" | grep -q "ranged"; then
2091 param=$(echo "$param" | sed "s/ranged//")
2092 $XFS_IO_PROG -c "help fiemap" | grep -q "\[offset \[len\]\]"
2093 [ $? -eq 0 ] || _notrun "xfs_io $command ranged support is missing"
2095 testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
2096 -c "fiemap -v $param" $testfile 2>&1`
2100 local testlink=$TEST_DIR/$$.link.xfs_io
2101 testio=`$XFS_IO_PROG -F -f -c "flink $testlink" $testfile 2>&1`
2102 rm -f $testlink > /dev/null 2>&1
2105 # Check O_TMPFILE support in xfs_io, kernel and fs
2106 testio=`$XFS_IO_PROG -T -c quit $TEST_DIR 2>&1`
2107 echo $testio | egrep -q "invalid option|Is a directory" && \
2108 _notrun "xfs_io $command support is missing"
2109 echo $testio | grep -q "Operation not supported" && \
2110 _notrun "O_TMPFILE is not supported"
2113 testio=`$XFS_IO_PROG -f -c "fsmap" $testfile 2>&1`
2114 echo $testio | grep -q "Inappropriate ioctl" && \
2115 _notrun "xfs_io $command support is missing"
2118 testio=`$XFS_IO_PROG -c "label" $TEST_DIR 2>&1`
2121 # -c "open $f" is broken in xfs_io <= 4.8. Along with the fix,
2122 # a new -C flag was introduced to execute one shot commands.
2123 # Check for -C flag support as an indication for the bug fix.
2124 testio=`$XFS_IO_PROG -F -f -C "open $testfile" $testfile 2>&1`
2125 echo $testio | grep -q "invalid option" && \
2126 _notrun "xfs_io $command support is missing"
2129 # -N (RWF_NOWAIT) only works with direct vectored I/O writes
2130 local pwrite_opts=" "
2131 if [ "$param" == "-N" ]; then
2133 pwrite_opts+="-V 1 -b 4k"
2135 testio=`$XFS_IO_PROG -f $opts -c \
2136 "pwrite $pwrite_opts $param 0 4k" $testfile 2>&1`
2140 testio=`$XFS_IO_PROG -x -c "$command probe" $TEST_DIR 2>&1`
2141 echo $testio | grep -q "Inappropriate ioctl" && \
2142 _notrun "xfs_io $command support is missing"
2145 testio=`$XFS_IO_PROG -f -c "utimes" 0 0 0 0 $testfile 2>&1`
2149 testio=`$XFS_IO_PROG -c "syncfs" $testfile 2>&1`
2152 testio=`$XFS_IO_PROG -c "help $command" 2>&1`
2155 rm -f $testfile 2>&1 > /dev/null
2156 echo $testio | grep -q "not found" && \
2157 _notrun "xfs_io $command support is missing"
2158 echo $testio | grep -q "Operation not supported\|Inappropriate ioctl" && \
2159 _notrun "xfs_io $command failed (old kernel/wrong fs?)"
2160 echo $testio | grep -q "Invalid" && \
2161 _notrun "xfs_io $command failed (old kernel/wrong fs/bad args?)"
2162 echo $testio | grep -q "foreign file active" && \
2163 _notrun "xfs_io $command not supported on $FSTYP"
2164 echo $testio | grep -q "Function not implemented" && \
2165 _notrun "xfs_io $command support is missing (missing syscall?)"
2167 [ -n "$param" ] || return
2169 if [ $param_checked -eq 0 ]; then
2170 $XFS_IO_PROG -c "help $command" | grep -q "^ $param --" || \
2171 _notrun "xfs_io $command doesn't support $param"
2173 # xfs_io could result in "command %c not supported" if it was
2174 # built on kernels not supporting pwritev2() calls
2175 echo $testio | grep -q "\(invalid option\|not supported\)" && \
2176 _notrun "xfs_io $command doesn't support $param"
2180 # check that kernel and filesystem support direct I/O
2183 if [ $FSTYP = "ext4" ] ; then
2184 if echo "$MOUNT_OPTIONS" | grep -q "test_dummy_encryption"; then
2185 _notrun "ext4 encryption doesn't support O_DIRECT"
2186 elif echo "$MOUNT_OPTIONS" | grep -q "data=journal"; then
2187 _notrun "ext4 data journaling doesn't support O_DIRECT"
2190 local testfile=$TEST_DIR/$$.direct
2191 $XFS_IO_PROG -F -f -d -c "pwrite 0 20k" $testfile > /dev/null 2>&1
2192 if [ $? -ne 0 ]; then
2193 _notrun "O_DIRECT is not supported"
2195 rm -f $testfile 2>&1 > /dev/null
2198 _format_swapfile() {
2205 # Swap files must be nocow on Btrfs.
2206 $CHATTR_PROG +C "$fname" > /dev/null 2>&1
2207 _pwrite_byte 0x61 0 "$sz" "$fname" >> $seqres.full
2208 mkswap "$fname" >> $seqres.full
2211 # Check that the filesystem supports swapfiles
2212 _require_scratch_swapfile()
2216 _scratch_mkfs >/dev/null
2219 # Minimum size for mkswap is 10 pages
2220 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
2222 if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then
2224 _notrun "swapfiles are not supported"
2227 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
2231 # Check that a fs has enough free space (in 1024b blocks)
2236 local blocks=$2 # in units of 1024
2237 local gb=$(( blocks / 1024 / 1024 ))
2239 local free_blocks=`df -kP $mnt | grep -v Filesystem | awk '{print $4}'`
2240 [ $free_blocks -lt $blocks ] && \
2241 _notrun "This test requires at least ${gb}GB free on $mnt to run"
2245 # Check if the filesystem supports sparse files.
2247 # Unfortunately there is no better way to do this than a manual black list.
2249 _require_sparse_files()
2253 _notrun "Sparse files not supported by this filesystem type: $FSTYP"
2262 #boot_params always present in debugfs
2263 [ -d "$DEBUGFS_MNT/boot_params" ] || _notrun "Debugfs not mounted"
2266 _require_fail_make_request()
2268 [ -f "$DEBUGFS_MNT/fail_make_request/probability" ] \
2269 || _notrun "$DEBUGFS_MNT/fail_make_request \
2270 not found. Seems that CONFIG_FAIL_MAKE_REQUEST kernel config option not enabled"
2273 # Disable extent zeroing for ext4 on the given device
2274 _ext4_disable_extent_zeroout()
2276 local dev=${1:-$TEST_DEV}
2277 local sdev=`_short_dev $dev`
2279 [ -f /sys/fs/ext4/$sdev/extent_max_zeroout_kb ] && \
2280 echo 0 >/sys/fs/ext4/$sdev/extent_max_zeroout_kb
2283 # Check if the file system supports seek_data/hole
2284 _require_seek_data_hole()
2286 local dev=${1:-$TEST_DEV}
2287 local testfile=$TEST_DIR/$$.seek
2288 local testseek=`$here/src/seek_sanity_test -t $testfile 2>&1`
2290 rm -f $testfile &>/dev/null
2291 echo $testseek | grep -q "Kernel does not support" && \
2292 _notrun "File system does not support llseek(2) SEEK_DATA/HOLE"
2293 # Disable extent zeroing for ext4 as that change where holes are
2295 if [ "$FSTYP" = "ext4" ]; then
2296 _ext4_disable_extent_zeroout $dev
2302 _require_test_program "runas"
2307 "$here/src/runas" "$@"
2310 _require_richacl_prog()
2312 _require_command "$GETRICHACL_PROG" getrichacl
2313 _require_command "$SETRICHACL_PROG" setrichacl
2316 _require_scratch_richacl_xfs()
2318 _scratch_mkfs_xfs_supported -m richacl=1 >/dev/null 2>&1 \
2319 || _notrun "mkfs.xfs doesn't have richacl feature"
2320 _scratch_mkfs_xfs -m richacl=1 >/dev/null 2>&1
2321 _try_scratch_mount >/dev/null 2>&1 \
2322 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2326 _require_scratch_richacl_ext4()
2328 _scratch_mkfs -O richacl >/dev/null 2>&1 \
2329 || _notrun "can't mkfs $FSTYP with option -O richacl"
2330 _try_scratch_mount >/dev/null 2>&1 \
2331 || _notrun "kernel doesn't support richacl feature on $FSTYP"
2335 _require_scratch_richacl_support()
2338 $GETFATTR_PROG -n system.richacl >/dev/null 2>&1 \
2339 || _notrun "this test requires richacl support on \$SCRATCH_DEV"
2343 _require_scratch_richacl()
2346 xfs) _require_scratch_richacl_xfs
2348 ext4) _require_scratch_richacl_ext4
2351 _require_scratch_richacl_support
2353 *) _notrun "this test requires richacl support on \$SCRATCH_DEV"
2358 _scratch_mkfs_richacl()
2361 xfs) _scratch_mkfs_xfs -m richacl=1
2363 ext4) _scratch_mkfs -O richacl
2371 # check if the given device is mounted, if so, return mount point
2375 local fstype=${2:-$FSTYP}
2377 if [ $# -lt 1 ]; then
2378 echo "Usage: _is_dev_mounted <device> [fstype]" 1>&2
2382 findmnt -rncv -S $dev -t $fstype -o TARGET | head -1
2385 # check if the given dir is a mount point, if so, return mount point
2386 _is_dir_mountpoint()
2389 local fstype=${2:-$FSTYP}
2391 if [ $# -lt 1 ]; then
2392 echo "Uasge: _is_dir_mountpoint <dir> [fstype]" 1>&2
2396 findmnt -rncv -t $fstype -o TARGET $dir | head -1
2399 # remount a FS to a new mode (ro or rw)
2405 echo "Usage: _remount device ro/rw" 1>&2
2411 if ! mount -o remount,$mode $device
2413 echo "_remount: failed to remount filesystem on $device as $mode"
2418 # Run the appropriate repair/check on a filesystem
2420 # if the filesystem is mounted, it's either remounted ro before being
2421 # checked or it's unmounted and then remounted
2424 # If set, we remount ro instead of unmounting for fsck
2427 _umount_or_remount_ro()
2431 echo "Usage: _umount_or_remount_ro <device>" 1>&2
2436 local mountpoint=`_is_dev_mounted $device`
2438 if [ $USE_REMOUNT -eq 0 ]; then
2439 $UMOUNT_PROG $device
2446 _mount_or_remount_rw()
2448 if [ $# -ne 3 ]; then
2449 echo "Usage: _mount_or_remount_rw <opts> <dev> <mnt>" 1>&2
2456 if [ $USE_REMOUNT -eq 0 ]; then
2457 if [ "$FSTYP" != "overlay" ]; then
2458 _mount -t $FSTYP $mount_opts $device $mountpoint
2460 _overlay_mount $device $mountpoint
2462 if [ $? -ne 0 ]; then
2463 _dump_err "!!! failed to remount $device on $mountpoint"
2473 # Check a generic filesystem in no-op mode; this assumes that the
2474 # underlying fsck program accepts "-n" for a no-op (check-only) run,
2475 # and that it will still return an errno for corruption in this mode.
2477 # Filesystems which don't support this will need to define their
2478 # own check routine.
2480 _check_generic_filesystem()
2484 # If type is set, we're mounted
2485 local type=`_fs_type $device`
2488 if [ "$type" = "$FSTYP" ]
2491 local mountpoint=`_umount_or_remount_ro $device`
2494 fsck -t $FSTYP $FSCK_OPTIONS $device >$tmp.fsck 2>&1
2497 _log_err "_check_generic_filesystem: filesystem on $device is inconsistent"
2498 echo "*** fsck.$FSTYP output ***" >>$seqres.full
2499 cat $tmp.fsck >>$seqres.full
2500 echo "*** end fsck.$FSTYP output" >>$seqres.full
2508 echo "*** mount output ***" >>$seqres.full
2509 _mount >>$seqres.full
2510 echo "*** end mount output" >>$seqres.full
2511 elif [ "$type" = "$FSTYP" ]
2514 _mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
2518 if [ $ok -eq 0 ]; then
2520 if [ "$iam" != "check" ]; then
2529 # Filter the knowen errors the UDF Verifier reports.
2530 _udf_test_known_error_filter()
2532 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."
2536 _check_udf_filesystem()
2538 [ "$DISABLE_UDF_TEST" == "1" ] && return
2540 if [ $# -ne 1 -a $# -ne 2 ]
2542 echo "Usage: _check_udf_filesystem device [last_block]" 1>&2
2546 if [ ! -x $here/src/udf_test ]
2548 echo "udf_test not installed, please download and build the Philips"
2549 echo "UDF Verification Software from http://www.extra.research.philips.com/udf/."
2550 echo "Then copy the udf_test binary to $here/src/."
2551 echo "If you do not wish to run udf_test then set environment variable DISABLE_UDF_TEST"
2558 if [ $# -eq 2 ]; then
2559 opt_arg="-lastvalidblock $(( $2 - 1 ))"
2562 rm -f $seqres.checkfs
2563 sleep 1 # Due to a problem with time stamps in udf_test
2564 $here/src/udf_test $opt_arg $device | tee $seqres.checkfs | egrep "Error|Warning" | \
2565 _udf_test_known_error_filter | \
2566 egrep -iv "Error count:.*[0-9]+.*total occurrences:.*[0-9]+|Warning count:.*[0-9]+.*total occurrences:.*[0-9]+" && \
2567 echo "Warning UDF Verifier reported errors see $seqres.checkfs." && return 1
2578 # no way to check consistency for nfs
2581 # no way to check consistency for cifs
2584 # no way to check consistency for 9p
2587 # no way to check consistency for CephFS
2590 # no way to check consistency for GlusterFS
2593 _check_overlay_test_fs
2598 # do nothing for now
2601 _check_btrfs_filesystem $TEST_DEV
2604 # no way to check consistency for tmpfs
2607 # there is no fsck program for ubifs yet
2610 _check_generic_filesystem $TEST_DEV
2617 local device=$SCRATCH_DEV
2618 [ $# -eq 1 ] && device=$1
2622 local scratch_log="none"
2623 local scratch_rt="none"
2624 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
2625 scratch_log="$SCRATCH_LOGDEV"
2627 [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_RTDEV" ] && \
2628 scratch_rt="$SCRATCH_RTDEV"
2630 _check_xfs_filesystem $device $scratch_log $scratch_rt
2633 _check_udf_filesystem $device $udf_fsize
2636 # Don't know how to check an NFS filesystem, yet.
2639 # Don't know how to check a CIFS filesystem, yet.
2642 # no way to check consistency for 9p
2645 # no way to check consistency for CephFS
2648 # no way to check consistency for GlusterFS
2651 _check_overlay_scratch_fs
2656 _check_btrfs_filesystem $device
2659 # no way to check consistency for tmpfs
2662 # there is no fsck program for ubifs yet
2665 _check_generic_filesystem $device
2670 _full_fstyp_details()
2672 [ -z "$FSTYP" ] && FSTYP=xfs
2673 if [ $FSTYP = xfs ]; then
2674 if [ -d /proc/fs/xfs ]; then
2675 if grep -q 'debug 0' /proc/fs/xfs/stat; then
2676 FSTYP="$FSTYP (non-debug)"
2677 elif grep -q 'debug 1' /proc/fs/xfs/stat; then
2678 FSTYP="$FSTYP (debug)"
2681 if uname -a | grep -qi 'debug'; then
2682 FSTYP="$FSTYP (debug)"
2684 FSTYP="$FSTYP (non-debug)"
2691 _full_platform_details()
2694 local host=`hostname -s`
2695 local kernel=`uname -r`
2696 local platform=`uname -m`
2697 echo "$os/$platform $host $kernel"
2702 if [ "`uname`" == "Linux" ]; then
2705 echo Unknown operating system: `uname`
2710 _link_out_file_named()
2713 local suffix=$(FEATURES="$features" perl -e '
2715 my $feature, $result, $suffix, $opts;
2717 foreach $feature (split(/,/, $ENV{"FEATURES"})) {
2718 $feathash{$feature} = 1;
2720 $result = "default";
2725 ($opts, $suffix) = split(/ *: */);
2726 foreach my $opt (split(/,/, $opts)) {
2727 if (!exists($feathash{$opt})) {
2740 ln -fs $(basename $1).$suffix $1
2747 if [ $# -eq 0 ]; then
2748 features="$(_get_os_name)"
2749 if [ -n "$MOUNT_OPTIONS" ]; then
2750 features=$features,${MOUNT_OPTIONS##"-o "}
2756 _link_out_file_named $seqfull.out "$features"
2765 # convert urandom incompressible data to compressible text data
2768 od /dev/urandom | dd iflag=fullblock ${*}
2771 #takes files, randomdata
2779 if [ $size -gt 0 ]; then
2780 if [ "$2" == "false" ]; then
2781 dd if=/dev/zero of=$file bs=1024 count=$size 2>&1 | _filter_dd
2782 elif [ "$2" == "comp" ]; then
2783 _ddt of=$file bs=1024 count=$size 2>&1 | _filter_dd
2785 dd if=/dev/urandom of=$file bs=1024 count=$size 2>&1 | _filter_dd
2792 # takes dirname, depth, randomdata
2795 local dirname=$1 depth=$2 randomdata=$3
2796 mkdir $dirname || die "mkdir $dirname failed"
2799 _nfiles $files $randomdata # files for this dir and data type
2801 [ $depth -eq 0 ] && return
2802 local deep=$(( depth - 1 )) # go 1 down
2804 [ $verbose = true ] && echo "descending, depth from leaves = $deep"
2807 while [ $d -lt $dirs ]
2809 _descend d$d $deep &
2815 # Populate a filesystem with inodes for performance experiments
2817 # usage: populate [-v] [-n ndirs] [-f nfiles] [-d depth] [-r root] [-s size] [-x]
2822 local dirs=5 # ndirs in each subdir till leaves
2823 local size=0 # sizeof files in K
2824 local files=100 # num files in _each_ subdir
2825 local depth=2 # depth of tree from root to leaves
2827 local root=root # path of initial root of directory tree
2828 local randomdata=false # -x data type urandom, zero or compressible
2832 while getopts "d:f:n:r:s:v:x:c" c
2841 x) randomdata=true;;
2842 c) randomdata=comp;;
2846 _descend $root $depth $randomdata
2851 [ $verbose = true ] && echo done
2854 # query whether the given file has the given inode flag set
2861 if $XFS_IO_PROG -r -c 'lsattr -v' "$file" | grep -q "$flag" ; then
2867 # query the given files extsize allocator hint in bytes (if any)
2874 blocks=`$XFS_IO_PROG -r -c 'stat' "$file" | \
2875 awk '/^xattr.extsize =/ { print $3 }'`
2876 [ -z "$blocks" ] && blocks="0"
2880 # scratch_dev_pool should contain the disks pool for the btrfs raid
2881 _require_scratch_dev_pool()
2886 if [ -z "$SCRATCH_DEV_POOL" ]; then
2887 _notrun "this test requires a valid \$SCRATCH_DEV_POOL"
2890 if [ -z "$1" ]; then
2896 # btrfs test case needs ndevs or more scratch_dev_pool; other FS not sure
2900 if [ "`echo $SCRATCH_DEV_POOL|wc -w`" -lt $ndevs ]; then
2901 _notrun "btrfs and this test needs $ndevs or more disks in SCRATCH_DEV_POOL"
2905 _notrun "dev_pool is not supported by fstype \"$FSTYP\""
2909 for i in $SCRATCH_DEV_POOL; do
2910 if [ "`_is_block_dev "$i"`" = "" ]; then
2911 _notrun "this test requires valid block disk $i"
2913 if [ "`_is_block_dev "$i"`" = "`_is_block_dev "$TEST_DEV"`" ]; then
2914 _notrun "$i is part of TEST_DEV, this test requires unique disks"
2916 if _mount | grep -q $i; then
2917 if ! $UMOUNT_PROG $i; then
2918 echo "failed to unmount $i - aborting"
2922 # to help better debug when something fails, we remove
2923 # traces of previous btrfs FS on the dev.
2924 dd if=/dev/zero of=$i bs=4096 count=100 > /dev/null 2>&1
2928 # ensure devices in SCRATCH_DEV_POOL are of the same size
2929 # must be called after _require_scratch_dev_pool
2930 _require_scratch_dev_pool_equal_size()
2936 # SCRATCH_DEV has been set to the first device in SCRATCH_DEV_POOL
2937 size=`_get_device_size $SCRATCH_DEV`
2938 for dev in $SCRATCH_DEV_POOL; do
2939 newsize=`_get_device_size $dev`
2940 if [ $size -ne $newsize ]; then
2941 _notrun "This test requires devices in SCRATCH_DEV_POOL have the same size"
2946 # We will check if the device is deletable
2947 _require_deletable_scratch_dev_pool()
2951 for i in $SCRATCH_DEV_POOL; do
2952 x=`echo $i | cut -d"/" -f 3`
2953 if [ ! -f /sys/class/block/${x}/device/delete ]; then
2954 _notrun "$i is a device which is not deletable"
2959 # Check that fio is present, and it is able to execute given jobfile
2964 _require_command "$FIO_PROG" fio
2965 if [ -z "$1" ]; then
2969 $FIO_PROG --warnings-fatal --showcmd $job >> $seqres.full 2>&1
2970 [ $? -eq 0 ] || _notrun "$FIO_PROG too old, see $seqres.full"
2973 # Does freeze work on this fs?
2976 xfs_freeze -f "$TEST_DIR" >/dev/null 2>&1
2978 xfs_freeze -u "$TEST_DIR" >/dev/null 2>&1
2979 [ $result -eq 0 ] || _notrun "$FSTYP does not support freezing"
2982 # Does NFS export work on this fs?
2985 _require_test_program "open_by_handle"
2986 mkdir -p "$TEST_DIR"/exportfs_test
2987 $here/src/open_by_handle -c "$TEST_DIR"/exportfs_test 2>&1 \
2988 || _notrun "$FSTYP does not support NFS export"
2992 # Does shutdown work on this fs?
2993 _require_scratch_shutdown()
2995 [ -x src/godown ] || _notrun "src/godown executable not found"
2997 _scratch_mkfs > /dev/null 2>&1 || _notrun "_scratch_mkfs failed on $SCRATCH_DEV"
3000 if [ $FSTYP = "overlay" ]; then
3001 if [ -z $OVL_BASE_SCRATCH_DEV ]; then
3002 # In lagacy overlay usage, it may specify directory as
3003 # SCRATCH_DEV, in this case OVL_BASE_SCRATCH_DEV
3004 # will be null, so check OVL_BASE_SCRATCH_DEV before
3005 # running shutdown to avoid shutting down base fs accidently.
3006 _notrun "$SCRATCH_DEV is not a block device"
3008 src/godown -f $OVL_BASE_SCRATCH_MNT 2>&1 \
3009 || _notrun "Underlying filesystem does not support shutdown"
3012 src/godown -f $SCRATCH_MNT 2>&1 \
3013 || _notrun "$FSTYP does not support shutdown"
3019 # Does dax mount option work on this dev/fs?
3020 _require_scratch_dax()
3023 _scratch_mkfs > /dev/null 2>&1
3024 _try_scratch_mount -o dax || \
3025 _notrun "mount $SCRATCH_DEV with dax failed"
3026 # Check options to be sure. XFS ignores dax option
3027 # and goes on if dev underneath does not support dax.
3028 _fs_options $SCRATCH_DEV | grep -qw "dax" || \
3029 _notrun "$SCRATCH_DEV $FSTYP does not support -o dax"
3033 # Does norecovery support by this fs?
3034 _require_norecovery()
3036 _try_scratch_mount -o ro,norecovery || \
3037 _notrun "$FSTYP does not support norecovery"
3041 # Does this filesystem support metadata journaling?
3042 # We exclude ones here that don't; otherwise we assume that it does, so the
3043 # test will run, fail, and motivate someone to update this test for a new
3046 # It's possible that TEST_DEV and SCRATCH_DEV have different features (it'd be
3047 # odd, but possible) so check $TEST_DEV by default, but we can optionall pass
3049 _require_metadata_journaling()
3058 ext2|vfat|msdos|udf)
3059 _notrun "$FSTYP does not support metadata journaling"
3062 # ext4 could be mkfs'd without a journal...
3064 $DUMPE2FS_PROG -h $dev 2>&1 | grep -q has_journal || \
3065 _notrun "$FSTYP on $dev not configured with metadata journaling"
3066 # ext4 might not load a journal
3067 _exclude_scratch_mount_option "noload"
3070 # metadata journaling check is based on base filesystem configurations
3071 # and because -overlay option saves those configurations to OVL_BASE_*,
3072 # adding restore/override the configurations before/after the check.
3073 if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
3074 _overlay_config_restore
3075 _require_metadata_journaling
3076 _overlay_config_override
3078 _notrun "No metadata journaling support for legacy overlay setup"
3082 # by default we pass; if you need to, add your fs above!
3089 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep -v hole | wc -l
3094 $XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep hole | wc -l
3097 _count_attr_extents()
3099 $XFS_IO_PROG -c "fiemap -a" $1 | tail -n +2 | grep -v hole | wc -l
3102 # arg 1 is dev to remove and is output of the below eg.
3103 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3109 echo 1 > /sys/class/scsi_device/${lun}/device/delete || _fail "Remove disk failed"
3111 stat $disk > /dev/null 2>&1
3112 while [ $? -eq 0 ]; do
3114 stat $disk > /dev/null 2>&1
3118 # arg 1 is dev to add and is output of the below eg.
3119 # ls -l /sys/class/block/sdd | rev | cut -d "/" -f 3 | rev
3124 # arg 1 will be in h:t:d:l format now in the h and "t d l" format
3125 h=`echo ${1} | cut -d":" -f 1`
3126 tdl=`echo ${1} | cut -d":" -f 2-|sed 's/:/ /g'`
3128 echo ${tdl} > /sys/class/scsi_host/host${h}/scan || _fail "Add disk failed"
3130 # ensure the device comes online
3131 local dev_back_oneline=0
3133 for i in `seq 1 10`; do
3134 if [ -d /sys/class/scsi_device/${1}/device/block ]; then
3135 local dev=`ls /sys/class/scsi_device/${1}/device/block`
3137 for j in `seq 1 10`;
3139 stat /dev/$dev > /dev/null 2>&1
3140 if [ $? -eq 0 ]; then
3151 if [ $dev_back_oneline -eq 0 ]; then
3152 echo "/dev/$dev online failed" >> $seqres.full
3154 echo "/dev/$dev is back online" >> $seqres.full
3160 if [ -z "$FSTRIM_PROG" ]; then
3161 _notrun "This test requires fstrim utility."
3165 _require_batched_discard()
3167 if [ $# -ne 1 ]; then
3168 echo "Usage: _require_batched_discard mnt_point" 1>&2
3172 $FSTRIM_PROG $1 > /dev/null 2>&1 || _notrun "FITRIM not supported on $1"
3177 if [ -z "$DUMPE2FS_PROG" ]; then
3178 _notrun "This test requires dumpe2fs utility."
3184 if [ ! -e /proc/self/uid_map ]; then
3185 _notrun "This test requires procfs uid_map support."
3187 if [ ! -e /proc/self/gid_map ]; then
3188 _notrun "This test requires procfs gid_map support."
3194 FSSUM_PROG=$here/src/fssum
3195 [ -x $FSSUM_PROG ] || _notrun "fssum not built"
3200 CLONER_PROG=$here/src/cloner
3201 [ -x $CLONER_PROG ] || \
3202 _notrun "cloner binary not present at $CLONER_PROG"
3205 # Normalize mount options from global $MOUNT_OPTIONS
3206 # Convert options like "-o opt1,opt2 -oopt3" to
3208 _normalize_mount_options()
3210 echo $MOUNT_OPTIONS | sed -n 's/-o\s*\(\S*\)/\1/gp'| sed 's/,/ /g'
3213 # skip test if MOUNT_OPTIONS contains the given strings
3214 _exclude_scratch_mount_option()
3216 local mnt_opts=$(_normalize_mount_options)
3218 while [ $# -gt 0 ]; do
3219 if echo $mnt_opts | grep -qw "$1"; then
3220 _notrun "mount option \"$1\" not allowed in this test"
3228 _exclude_scratch_mount_option "noatime"
3231 _notrun "atime related mount options have no effect on $FSTYP"
3239 _scratch_mkfs > /dev/null 2>&1
3240 _try_scratch_mount -o relatime || \
3241 _notrun "relatime not supported by the current kernel"
3247 [ -x src/nsexec ] || _notrun "src/nsexec executable not found"
3248 src/nsexec -U true 2>/dev/null || _notrun "userns not supported by this kernel"
3251 _create_loop_device()
3254 dev=`losetup -f --show $file` || _fail "Cannot assign $file to a loop device"
3258 _destroy_loop_device()
3261 losetup -d $dev || _fail "Cannot destroy loop device $dev"
3264 _scale_fsstress_args()
3267 while [ $# -gt 0 ]; do
3269 -n) args="$args $1 $(($2 * $TIME_FACTOR))"; shift ;;
3270 -p) args="$args $1 $(($2 * $LOAD_FACTOR))"; shift ;;
3271 *) args="$args $1" ;;
3279 # Return the logical block size if running on a block device,
3280 # else substitute the page size.
3282 _min_dio_alignment()
3286 if [ -b "$dev" ]; then
3287 blockdev --getss $dev
3289 $here/src/feature -s
3295 echo "# $@" >> $seqres.full 2>&1
3296 "$@" >> $seqres.full 2>&1 || _fail "failed: '$@'"
3299 _require_test_symlinks()
3301 local target=`mktemp -p $TEST_DIR`
3302 local link=`mktemp -p $TEST_DIR -u`
3303 ln -s `basename $target` $link
3304 if [ "$?" -ne 0 ]; then
3306 _notrun "Require symlinks support"
3311 _require_test_fcntl_advisory_locks()
3313 [ "$FSTYP" != "cifs" ] && return 0
3314 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -q "nobrl" && return 0
3315 cat /proc/mounts | grep $TEST_DEV | grep cifs | grep -qE "nounix|forcemand" && \
3316 _notrun "Require fcntl advisory locks support"
3319 _require_ofd_locks()
3321 # Give a test run by getlk wrlck on testfile.
3322 # If the running kernel does not support OFD locks,
3323 # EINVAL will be returned.
3324 _require_test_program "t_ofd_locks"
3325 touch $TEST_DIR/ofd_testfile
3326 src/t_ofd_locks -t $TEST_DIR/ofd_testfile > /dev/null 2>&1
3327 [ $? -eq 22 ] && _notrun "Require OFD locks support"
3330 _require_test_lsattr()
3332 local testio=$(lsattr -d $TEST_DIR 2>&1)
3333 echo $testio | grep -q "Operation not supported" && \
3334 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3335 echo $testio | grep -q "Inappropriate ioctl for device" && \
3336 _notrun "lsattr not supported by test filesystem type: $FSTYP"
3341 if [ -z "$1" ]; then
3342 echo "Usage: _require_chattr <attr>"
3347 touch $TEST_DIR/syscalltest
3348 chattr "+$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3350 chattr "-$attribute" $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
3351 if [ "$ret" -ne 0 ]; then
3352 _notrun "file system doesn't support chattr +$attribute"
3354 cat $TEST_DIR/syscalltest.out >> $seqres.full
3355 rm -f $TEST_DIR/syscalltest.out
3360 if [ -z "$1" ]; then
3361 echo "Usage: _get_total_inode <mnt>"
3365 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $3}'`
3371 if [ -z "$1" ]; then
3372 echo "Usage: _get_used_inode <mnt>"
3376 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $4}'`
3380 _get_used_inode_percent()
3382 if [ -z "$1" ]; then
3383 echo "Usage: _get_used_inode_percent <mnt>"
3387 pct_inode=`$DF_PROG -i $1 | tail -1 | awk '{ print $6 }' | \
3394 if [ -z "$1" ]; then
3395 echo "Usage: _get_free_inode <mnt>"
3399 nr_inode=`$DF_PROG -i $1 | tail -1 | awk '{print $5}'`
3403 # get the available space in bytes
3405 _get_available_space()
3407 if [ -z "$1" ]; then
3408 echo "Usage: _get_available_space <mnt>"
3412 avail_kb=`$DF_PROG $1 | tail -n1 | awk '{ print $5 }'`
3413 echo $((avail_kb * 1024))
3416 # return device size in kb
3419 grep `_short_dev $1` /proc/partitions | awk '{print $3}'
3422 # Make sure we actually have dmesg checking set up.
3423 _require_check_dmesg()
3425 test -w /dev/kmsg || \
3426 _notrun "Test requires writable /dev/kmsg."
3429 # Return the dmesg log since the start of this test. Caller must ensure that
3430 # /dev/kmsg was writable when the test was started so that we can find the
3431 # beginning of this test's log messages; _require_check_dmesg does this.
3432 _dmesg_since_test_start()
3434 # search the dmesg log of last run of $seqnum for possible failures
3435 # use sed \cregexpc address type, since $seqnum contains "/"
3436 dmesg | tac | sed -ne "0,\#run fstests $seqnum at $date_time#p" | \
3440 # check dmesg log for a specific string, subject to the same requirements as
3441 # _dmesg_since_test_start.
3444 _dmesg_since_test_start | egrep -q "$1"
3447 # check dmesg log for WARNING/Oops/etc.
3450 if [ ! -f ${RESULT_DIR}/check_dmesg ]; then
3453 rm -f ${RESULT_DIR}/check_dmesg
3455 # default filter is a simple cat command, caller could provide a
3456 # customized filter and pass the name through the first argument, to
3457 # filter out intentional WARNINGs or Oopses
3458 local filter=${1:-cat}
3460 _dmesg_since_test_start | $filter >$seqres.dmesg
3461 egrep -q -e "kernel BUG at" \
3465 -e "possible recursive locking detected" \
3466 -e "Internal error" \
3467 -e "(INFO|ERR): suspicious RCU usage" \
3468 -e "INFO: possible circular locking dependency detected" \
3469 -e "general protection fault:" \
3470 -e "BUG .* remaining" \
3473 if [ $? -eq 0 ]; then
3474 _dump_err "_check_dmesg: something found in dmesg (see $seqres.dmesg)"
3482 # capture the kmemleak report
3485 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3486 local leak_file="$1"
3488 # Tell the kernel to scan for memory leaks. Apparently the write
3489 # returns before the scan is complete, so do it twice in the hopes
3490 # that twice is enough to capture all the leaks.
3491 echo "scan" > "$kern_knob"
3492 cat "$kern_knob" > /dev/null
3493 echo "scan" > "$kern_knob"
3494 cat "$kern_knob" > "$leak_file.tmp"
3495 if [ -s "$leak_file.tmp" ]; then
3496 cat > "$leak_file" << ENDL
3497 EXPERIMENTAL kmemleak reported some memory leaks! Due to the way kmemleak
3498 works, the leak might be from an earlier test, or something totally unrelated.
3500 cat "$leak_file.tmp" >> "$leak_file"
3502 rm -rf "$leak_file.tmp"
3503 echo "clear" > "$kern_knob"
3509 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3511 # Since kernel v4.19-rc3, the kmemleak knob exists even if kmemleak is
3512 # disabled, but returns EBUSY on write. So instead of relying on
3513 # existance of writable knob file, we use a test file to indicate that
3514 # _check_kmemleak() is enabled only if we actually managed to write to
3516 rm -f ${RESULT_BASE}/check_kmemleak
3518 if [ ! -w "$kern_knob" ]; then
3522 # Disable the automatic scan so that we can control it completely,
3523 # then dump all the leaks recorded so far.
3524 if echo "scan=off" > "$kern_knob" 2>/dev/null; then
3525 _capture_kmemleak /dev/null
3526 touch ${RESULT_BASE}/check_kmemleak
3530 # check kmemleak log
3533 local kern_knob="${DEBUGFS_MNT}/kmemleak"
3534 local leak_file="${seqres}.kmemleak"
3536 if [ ! -f ${RESULT_BASE}/check_kmemleak ]; then
3540 # Capture and report any leaks
3541 _capture_kmemleak "$leak_file"
3542 if [ -s "$leak_file" ]; then
3543 _dump_err "_check_kmemleak: something found in kmemleak (see $leak_file)"
3551 # don't check dmesg log after test
3552 _disable_dmesg_check()
3554 rm -f ${RESULT_DIR}/check_dmesg
3559 # make some further configuration checks here
3560 if [ "$TEST_DEV" = "" ]
3562 echo "common/rc: Error: \$TEST_DEV is not set"
3566 # if $TEST_DEV is not mounted, mount it now as XFS
3567 if [ -z "`_fs_type $TEST_DEV`" ]
3569 # $TEST_DEV is not mounted
3572 echo "common/rc: retrying test device mount with external set"
3573 [ "$USE_EXTERNAL" != "yes" ] && export USE_EXTERNAL=yes
3576 echo "common/rc: could not mount $TEST_DEV on $TEST_DIR"
3582 # Sanity check that TEST partition is not mounted at another mount point
3583 # or as another fs type
3584 _check_mounted_on TEST_DEV $TEST_DEV TEST_DIR $TEST_DIR $FSTYP || exit 1
3585 if [ -n "$SCRATCH_DEV" ]; then
3586 # Sanity check that SCRATCH partition is not mounted at another
3587 # mount point, because it is about to be unmounted and formatted.
3588 # Another fs type for scratch is fine (bye bye old fs type).
3589 _check_mounted_on SCRATCH_DEV $SCRATCH_DEV SCRATCH_MNT $SCRATCH_MNT
3590 [ $? -le 1 ] || exit 1
3593 # Figure out if we need to add -F ("foreign", deprecated) option to xfs_io
3594 $XFS_IO_PROG -c stat $TEST_DIR 2>&1 | grep -q "is not on an XFS filesystem" && \
3595 export XFS_IO_PROG="$XFS_IO_PROG -F"
3597 # xfs_io -i option starts an idle thread for xfs_io.
3598 # With single threaded process, the file table is not shared
3599 # and file structs are not reference counted.
3600 # Spawning an idle thread can help detecting file struct
3601 # reference leaks, so we want to enable the option whenever
3603 $XFS_IO_PROG -i -c quit 2>/dev/null && \
3604 export XFS_IO_PROG="$XFS_IO_PROG -i"
3606 # xfs_copy on v5 filesystems do not require the "-d" option if xfs_db
3607 # can change the UUID on v5 filesystems
3608 if [ "$FSTYP" == "xfs" ]; then
3610 $MKFS_XFS_PROG -d file,name=/tmp/$$.img,size=512m >/dev/null 2>&1
3611 # xfs_db will return 0 even if it can't generate a new uuid, so
3612 # check the output to make sure if it can change UUID of V5 xfs
3613 $XFS_DB_PROG -x -c "uuid generate" /tmp/$$.img \
3614 | grep -q "invalid UUID\|supported on V5 fs" \
3615 && export XFS_COPY_PROG="$XFS_COPY_PROG -d"
3620 # get real device path name by following link
3624 if [ -b "$dev" ] && [ -L "$dev" ]; then
3625 dev=`readlink -f "$dev"`
3630 # basename of a device
3633 echo `basename $(_real_dev $1)`
3638 local dev=`_real_dev $1`
3639 local maj=$(stat -c%t $dev | tr [:lower:] [:upper:])
3640 local min=$(stat -c%T $dev | tr [:lower:] [:upper:])
3641 maj=$(echo "ibase=16; $maj" | bc)
3642 min=$(echo "ibase=16; $min" | bc)
3643 echo /sys/dev/block/$maj:$min
3646 # Get the minimum block size of a file. Usually this is the
3647 # minimum fs block size, but some filesystems (ocfs2) do block
3648 # mappings in larger units.
3649 _get_file_block_size()
3651 if [ -z $1 ] || [ ! -d $1 ]; then
3652 echo "Missing mount point argument for _get_file_block_size"
3655 if [ "$FSTYP" = "ocfs2" ]; then
3662 # Get the minimum block size of an fs.
3665 if [ -z $1 ] || [ ! -d $1 ]; then
3666 echo "Missing mount point argument for _get_block_size"
3674 echo $(getconf PAGE_SIZE)
3681 local args=`echo $@ | sed -e "s/ BSIZE / $bsize /g" -e "s/ PSIZE / $psize /g"`
3682 set -- $here/ltp/fsx $args $FSX_AVOID $TEST_DIR/junk
3683 echo "$@" >>$seqres.full
3684 rm -f $TEST_DIR/junk
3685 "$@" 2>&1 | tee -a $seqres.full >$tmp.fsx
3686 if [ ${PIPESTATUS[0]} -ne 0 ]; then
3694 # Test for the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
3696 # Only one argument is needed:
3697 # - attr: path name under /sys/fs/$FSTYP/DEV
3700 # _require_fs_sysfs error/fail_at_unmount
3704 local dname=$(_short_dev $TEST_DEV)
3706 if [ -z "$attr" -o -z "$dname" ];then
3707 _fail "Usage: _require_fs_sysfs <sysfs_attr_path>"
3710 if [ ! -e /sys/fs/${FSTYP}/${dname}/${attr} ];then
3711 _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
3717 $here/src/stat_test --check-statx ||
3718 _notrun "This test requires the statx system call"
3721 # Write "content" into /sys/fs/$FSTYP/$DEV/$ATTR
3723 # All arguments are necessary, and in this order:
3724 # - dev: device name, e.g. $SCRATCH_DEV
3725 # - attr: path name under /sys/fs/$FSTYP/$dev
3726 # - content: the content of $attr
3729 # _set_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount 0
3730 _set_fs_sysfs_attr()
3738 if [ ! -b "$dev" -o -z "$attr" -o -z "$content" ];then
3739 _fail "Usage: _set_fs_sysfs_attr <mounted_device> <attr> <content>"
3742 local dname=$(_short_dev $dev)
3743 echo "$content" > /sys/fs/${FSTYP}/${dname}/${attr}
3746 # Print the content of /sys/fs/$FSTYP/$DEV/$ATTR
3748 # All arguments are necessary, and in this order:
3749 # - dev: device name, e.g. $SCRATCH_DEV
3750 # - attr: path name under /sys/fs/$FSTYP/$dev
3753 # _get_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
3754 _get_fs_sysfs_attr()
3759 if [ ! -b "$dev" -o -z "$attr" ];then
3760 _fail "Usage: _get_fs_sysfs_attr <mounted_device> <attr>"
3763 local dname=$(_short_dev $dev)
3764 cat /sys/fs/${FSTYP}/${dname}/${attr}
3767 # Generic test for specific filesystem feature.
3768 # Currently only implemented to test overlayfs features.
3769 _require_scratch_feature()
3775 _require_scratch_overlay_features ${feature}
3778 _fail "Test for feature '${feature}' of ${FSTYP} is not implemented"
3783 # The maximum filesystem label length, /not/ including terminating NULL
3794 _notrun "$FSTYP does not define maximum label length"
3799 # Helper to check above early in a script
3800 _require_label_get_max()
3802 # Just call _label_get_max which will notrun if appropriate
3803 dummy=$(_label_get_max)
3808 $UDEV_SETTLE_PROG >/dev/null 2>&1
3809 $DMSETUP_PROG remove "$@" >>$seqres.full 2>&1
3810 $DMSETUP_PROG mknodes >/dev/null 2>&1
3815 $DMSETUP_PROG create "$@" >>$seqres.full 2>&1 || return 1
3816 $DMSETUP_PROG mknodes >/dev/null 2>&1
3817 $UDEV_SETTLE_PROG >/dev/null 2>&1
3822 ################################################################################
3823 # make sure this script returns success