2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015 Facebook. All Rights Reserved.
7 # Run fsx with log writes to verify power fail safeness.
10 _begin_fstest auto log replay
12 # Override the default cleanup function.
19 # Import common functions.
22 . ./common/dmlogwrites
24 # real QA test starts here
27 _require_scratch_nocheck
29 _require_dm_target thin-pool
35 # Now look for our files
36 for i in $(find $SANITY_DIR -type f | grep $name | grep mark); do
37 local filename=$(basename $i)
38 local mark="${filename##*.}"
39 echo "checking $filename" >> $seqres.full
40 _log_writes_replay_log $filename $DMTHIN_VOL_DEV
42 local expected_md5=$(_md5_checksum $i)
43 local md5=$(_md5_checksum $SCRATCH_MNT/$name)
44 [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched"
49 SANITY_DIR=$TEST_DIR/fsxtests
53 devsize=$((1024*1024*200 / 512)) # 200m phys/virt size
54 csize=$((1024*64 / 512)) # 64k cluster size
55 lowspace=$((1024*1024 / 512)) # 1m low space threshold
57 # Use a thin device to provide deterministic discard behavior. Discards are used
58 # by the log replay tool for fast zeroing to prevent out-of-order replay issues.
59 _dmthin_init $devsize $devsize $csize $lowspace
62 _log_writes_init $DMTHIN_VOL_DEV
64 _log_writes_mkfs >> $seqres.full 2>&1
66 # Log writes emulates discard support, turn it on for maximum crying.
67 _log_writes_mount -o discard
71 FSX_OPTS="-N $NUM_OPS -d -P $SANITY_DIR -i $LOGWRITES_DMDEV"
72 # Set random seeds for fsx runs (0 for timestamp + pid)
73 # When test failure is detected, check the seed values printed
74 # by fsx processes to $seqres.full and set them in this array
75 # to repeat the same fsx runs
78 for j in `seq 0 $((NUM_FILES-1))`; do
79 run_check $here/ltp/fsx $FSX_OPTS -S ${seeds[$j]} -j $j $SCRATCH_MNT/testfile$j &
84 for j in `seq 0 $((NUM_FILES-1))`; do
85 test_md5[$j]=$(_md5_checksum $SCRATCH_MNT/testfile$j)
88 # Unmount the scratch dir and tear down the log writes target
96 echo "checking pre umount" >> $seqres.full
97 _log_writes_replay_log last $DMTHIN_VOL_DEV
101 for j in `seq 0 $((NUM_FILES-1))`; do
102 check_files testfile$j
106 echo "checking post umount" >> $seqres.full
107 _log_writes_replay_log end $DMTHIN_VOL_DEV
109 for j in `seq 0 $((NUM_FILES-1))`; do
110 md5=$(_md5_checksum $SCRATCH_MNT/testfile$j)
111 [ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched"
115 echo "Silence is golden"