mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
175 lines
4.2 KiB
Bash
Executable File
175 lines
4.2 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2019 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test 192
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#
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# Test btrfs consistency after each FUA for a workload with snapshot creation
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# and removal
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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kill -q $pid1 &> /dev/null
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kill -q $pid2 &> /dev/null
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"$KILLALL_PROG" -q $FSSTRESS_PROG &> /dev/null
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wait
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_log_writes_cleanup &> /dev/null
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/attr
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. ./common/dmlogwrites
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs btrfs
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_require_command "$KILLALL_PROG" killall
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_require_command "$BLKDISCARD_PROG" blkdiscard
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_require_btrfs_fs_feature "no_holes"
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_require_btrfs_mkfs_feature "no-holes"
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_require_log_writes
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_require_scratch
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_require_attrs
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# We require a 4K nodesize to ensure the test isn't too slow
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if [ $(get_page_size) -ne 4096 ]; then
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_notrun "This test doesn't support non-4K page size yet"
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fi
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runtime=30
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nr_cpus=$("$here/src/feature" -o)
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# cap nr_cpus to 8 to avoid spending too much time on hosts with many cpus
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if [ $nr_cpus -gt 8 ]; then
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nr_cpus=8
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fi
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fsstress_args=$(_scale_fsstress_args -w -d $SCRATCH_MNT -n 99999 -p $nr_cpus \
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$FSSTRESS_AVOID)
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_log_writes_init $SCRATCH_DEV
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# Discard the whole devices so when some tree pointer is wrong, it won't point
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# to some older valid tree blocks, so we can detect it.
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$BLKDISCARD_PROG $LOGWRITES_DMDEV > /dev/null 2>&1
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# Use no-holes to avoid warnings of missing file extent items (expected
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# for holes due to mix of buffered and direct IO writes).
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# And use 4K nodesize to bump tree height.
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_log_writes_mkfs -O no-holes -n 4k >> $seqres.full
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_log_writes_mount
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$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/src > /dev/null
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mkdir -p $SCRATCH_MNT/snapshots
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mkdir -p $SCRATCH_MNT/src/padding
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random_file()
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{
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local basedir=$1
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echo "$basedir/$(ls $basedir | sort -R | tail -1)"
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}
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snapshot_workload()
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{
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trap "wait; exit" SIGTERM
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local i=0
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while true; do
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$BTRFS_UTIL_PROG subvolume snapshot \
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$SCRATCH_MNT/src $SCRATCH_MNT/snapshots/$i \
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> /dev/null
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# Do something small to make snapshots different
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rm -f "$(random_file $SCRATCH_MNT/src/padding)"
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rm -f "$(random_file $SCRATCH_MNT/src/padding)"
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touch "$(random_file $SCRATCH_MNT/src/padding)"
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touch "$SCRATCH_MNT/src/padding/random_$RANDOM"
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i=$(($i + 1))
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sleep 1
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done
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}
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delete_workload()
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{
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trap "wait; exit" SIGTERM
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while true; do
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sleep 2
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$BTRFS_UTIL_PROG subvolume delete \
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"$(random_file $SCRATCH_MNT/snapshots)" \
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> /dev/null 2>&1
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done
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}
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# Replay and check each fua/flush (specified by $2) point.
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#
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# Since dm-log-writes records bio sequentially, even just replaying a range
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# still needs to iterate all records before the end point.
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# When number of records grows, it will be unacceptably slow, thus we need
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# to use relay-log itself to trigger fsck, avoid unnecessary seek.
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log_writes_fast_replay_check()
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{
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local check_point=$1
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local blkdev=$2
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local fsck_command="$BTRFS_UTIL_PROG check $blkdev"
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local ret
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[ -z "$check_point" -o -z "$blkdev" ] && _fail \
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"check_point and blkdev must be specified for log_writes_fast_replay_check"
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$here/src/log-writes/replay-log --log $LOGWRITES_DEV \
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--replay $blkdev --check $check_point --fsck "$fsck_command" \
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&> $tmp.full_fsck
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ret=$?
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tail -n 150 $tmp.full_fsck > $seqres.full
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[ $ret -ne 0 ] && _fail "fsck failed during replay"
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}
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xattr_value=$(printf '%0.sX' $(seq 1 3800))
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# Bumping tree height to level 2.
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for ((i = 0; i < 64; i++)); do
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touch "$SCRATCH_MNT/src/padding/$i"
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$SETFATTR_PROG -n 'user.x1' -v $xattr_value "$SCRATCH_MNT/src/padding/$i"
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done
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_log_writes_mark prepare
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snapshot_workload &
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pid1=$!
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delete_workload &
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pid2=$!
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"$FSSTRESS_PROG" $fsstress_args > /dev/null &
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sleep $runtime
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"$KILLALL_PROG" -q "$FSSTRESS_PROG" &> /dev/null
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kill $pid1 &> /dev/null
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kill $pid2 &> /dev/null
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wait
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_log_writes_unmount
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_log_writes_remove
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log_writes_fast_replay_check fua "$SCRATCH_DEV"
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echo "Silence is golden"
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# success, all done
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status=0
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exit
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