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generic/457: use thin volume for dmlogwrites target device

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dmlogwrites support for XFS depends on discard zeroing support of
the intended target device. Update the test to use a thin volume and
allow it to run consistently and reliably on XFS.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Brian Foster
2020-09-01 09:47:27 -04:00
committed by Eryu Guan
parent 96bcbcabd0
commit 3713a3b37d
1 changed files with 21 additions and 12 deletions
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tests/generic/457
+21 -12
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@@ -16,6 +16,7 @@ status=1 # failure is the default!
_cleanup() _cleanup()
{ {
_log_writes_cleanup _log_writes_cleanup
_dmthin_cleanup
} }
trap "_cleanup; exit \$status" 0 1 2 3 15 trap "_cleanup; exit \$status" 0 1 2 3 15
@@ -23,6 +24,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
. ./common/rc . ./common/rc
. ./common/filter . ./common/filter
. ./common/reflink . ./common/reflink
. ./common/dmthin
. ./common/dmlogwrites . ./common/dmlogwrites
# real QA test starts here # real QA test starts here
@@ -32,6 +34,7 @@ _require_test
_require_scratch_reflink _require_scratch_reflink
_require_cp_reflink _require_cp_reflink
_require_log_writes _require_log_writes
_require_dm_target thin-pool
rm -f $seqres.full rm -f $seqres.full
@@ -44,13 +47,12 @@ check_files()
local filename=$(basename $i) local filename=$(basename $i)
local mark="${filename##*.}" local mark="${filename##*.}"
echo "checking $filename" >> $seqres.full echo "checking $filename" >> $seqres.full
_log_writes_replay_log $filename $SCRATCH_DEV _log_writes_replay_log $filename $DMTHIN_VOL_DEV
_scratch_mount _dmthin_mount
local expected_md5=$(_md5_checksum $i) local expected_md5=$(_md5_checksum $i)
local md5=$(_md5_checksum $SCRATCH_MNT/$name) local md5=$(_md5_checksum $SCRATCH_MNT/$name)
[ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched" [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched"
_scratch_unmount _dmthin_check_fs
_check_scratch_fs
done done
} }
@@ -58,8 +60,16 @@ SANITY_DIR=$TEST_DIR/fsxtests
rm -rf $SANITY_DIR rm -rf $SANITY_DIR
mkdir $SANITY_DIR mkdir $SANITY_DIR
devsize=$((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.
_dmthin_init $devsize $devsize $csize $lowspace
# Create the log # Create the log
_log_writes_init $SCRATCH_DEV _log_writes_init $DMTHIN_VOL_DEV
_log_writes_mkfs >> $seqres.full 2>&1 _log_writes_mkfs >> $seqres.full 2>&1
@@ -92,14 +102,13 @@ _log_writes_mark last
_log_writes_unmount _log_writes_unmount
_log_writes_mark end _log_writes_mark end
_log_writes_remove _log_writes_remove
_check_scratch_fs _dmthin_check_fs
# check pre umount # check pre umount
echo "checking pre umount" >> $seqres.full echo "checking pre umount" >> $seqres.full
_log_writes_replay_log last $SCRATCH_DEV _log_writes_replay_log last $DMTHIN_VOL_DEV
_scratch_mount _dmthin_mount
_scratch_unmount _dmthin_check_fs
_check_scratch_fs
for j in `seq 0 $((NUM_FILES-1))`; do for j in `seq 0 $((NUM_FILES-1))`; do
check_files testfile$j check_files testfile$j
@@ -107,8 +116,8 @@ done
# Check the end # Check the end
echo "checking post umount" >> $seqres.full echo "checking post umount" >> $seqres.full
_log_writes_replay_log end $SCRATCH_DEV _log_writes_replay_log end $DMTHIN_VOL_DEV
_scratch_mount _dmthin_mount
for j in `seq 0 $((NUM_FILES-1))`; do for j in `seq 0 $((NUM_FILES-1))`; do
md5=$(_md5_checksum $SCRATCH_MNT/testfile$j) md5=$(_md5_checksum $SCRATCH_MNT/testfile$j)
[ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched" [ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched"