cd /
$KILLALL_PROG -KILL -q $FSSTRESS_PROG &> /dev/null
_log_writes_cleanup &> /dev/null
+ _dmthin_cleanup
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
+. ./common/dmthin
. ./common/dmlogwrites
# remove previous $seqres.full before test
_supported_os Linux
_require_command "$KILLALL_PROG" killall
-# Use $SCRATCH_DEV as replay device
-_require_scratch
+# Use thin device as replay device, which requires $SCRATCH_DEV
+_require_scratch_nocheck
# and we need extra device as log device
_require_log_writes
+_require_dm_target thin-pool
nr_cpus=$("$here/src/feature" -o)
fi
fsstress_args=$(_scale_fsstress_args -w -d $SCRATCH_MNT -n 512 -p $nr_cpus \
$FSSTRESS_AVOID)
+devsize=$((1024*1024*200 / 512)) # 200m phys/virt size
+csize=$((1024*64 / 512)) # 64k cluster size
+lowspace=$((1024*1024 / 512)) # 1m low space threshold
+# Use a thin device to provide deterministic discard behavior. Discards are used
+# by the log replay tool for fast zeroing to prevent out-of-order replay issues.
_test_unmount
-_log_writes_init $SCRATCH_DEV
+_dmthin_init $devsize $devsize $csize $lowspace
+_log_writes_init $DMTHIN_VOL_DEV
_log_writes_mkfs >> $seqres.full 2>&1
_log_writes_mark mkfs
[ -z "$cur" ] && _fail "failed to locate next FUA write"
while [ ! -z "$cur" ]; do
- _log_writes_replay_log_range $cur $SCRATCH_DEV >> $seqres.full
+ _log_writes_replay_log_range $cur $DMTHIN_VOL_DEV >> $seqres.full
# Here we need extra mount to replay the log, mainly for journal based
# fs, as their fsck will report dirty log as error.
- # We don't care to preserve any data on $SCRATCH_DEV, as we can replay
+ # We don't care to preserve any data on the replay dev, as we can replay
# back to the point we need, and in fact sometimes creating/deleting
# snapshots repeatedly can be slower than replaying the log.
- _scratch_mount
- _scratch_unmount
- _check_scratch_fs
+ _dmthin_mount
+ _dmthin_check_fs
prev=$cur
cur=$(_log_writes_find_next_fua $(($cur + 1)))