2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2017 CTERA Networks. All Rights Reserved.
7 # Run fsx with log writes on cloned files to verify power fail safeness.
10 seqres=$RESULT_DIR/$seq
11 echo "QA output created by $seq"
14 status=1 # failure is the default!
21 trap "_cleanup; exit \$status" 0 1 2 3 15
23 # get standard environment, filters and checks
28 . ./common/dmlogwrites
30 # real QA test starts here
33 _require_scratch_reflink
36 _require_dm_target thin-pool
44 # Now look for our files
45 for i in $(find $SANITY_DIR -type f | grep $name | grep mark); do
46 local filename=$(basename $i)
47 local mark="${filename##*.}"
48 echo "checking $filename" >> $seqres.full
49 _log_writes_replay_log $filename $DMTHIN_VOL_DEV
51 local expected_md5=$(_md5_checksum $i)
52 local md5=$(_md5_checksum $SCRATCH_MNT/$name)
53 [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched"
58 SANITY_DIR=$TEST_DIR/fsxtests
62 devsize=$((1024*1024*200 / 512)) # 200m phys/virt size
63 csize=$((1024*64 / 512)) # 64k cluster size
64 lowspace=$((1024*1024 / 512)) # 1m low space threshold
66 # Use a thin device to provide deterministic discard behavior. Discards are used
67 # by the log replay tool for fast zeroing to prevent out-of-order replay issues.
68 _dmthin_init $devsize $devsize $csize $lowspace
71 _log_writes_init $DMTHIN_VOL_DEV
73 _log_writes_mkfs >> $seqres.full 2>&1
75 # Log writes emulates discard support, turn it on for maximum crying.
76 _log_writes_mount -o discard
78 # write testfile index -1 to be cloned to testfile0
79 $XFS_IO_PROG -f -c "pwrite -S 0xff 0 256k" -c "fsync" \
80 $SCRATCH_MNT/testfile-1 > /dev/null 2>&1
84 FSX_OPTS="-N $NUM_OPS -d -k -P $SANITY_DIR -i $LOGWRITES_DMDEV"
86 # Set random seeds for fsx runs (0 for timestamp + pid)
87 for j in `seq 0 $((NUM_FILES-1))`; do
88 # clone the clone from prev iteration which may have already mutated
89 _cp_reflink $SCRATCH_MNT/testfile$((j-1)) $SCRATCH_MNT/testfile$j
90 run_check $here/ltp/fsx $FSX_OPTS -S 0 -j $j $SCRATCH_MNT/testfile$j &
95 for j in `seq 0 $((NUM_FILES-1))`; do
96 test_md5[$j]=$(_md5_checksum $SCRATCH_MNT/testfile$j)
99 # Unmount the scratch dir and tear down the log writes target
100 _log_writes_mark last
107 echo "checking pre umount" >> $seqres.full
108 _log_writes_replay_log last $DMTHIN_VOL_DEV
112 for j in `seq 0 $((NUM_FILES-1))`; do
113 check_files testfile$j
117 echo "checking post umount" >> $seqres.full
118 _log_writes_replay_log end $DMTHIN_VOL_DEV
120 for j in `seq 0 $((NUM_FILES-1))`; do
121 md5=$(_md5_checksum $SCRATCH_MNT/testfile$j)
122 [ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched"
125 echo "Silence is golden"