| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Facebook. All Rights Reserved. |
| # |
| # FS QA Test No. 455 |
| # |
| # Run fsx with log writes to verify power fail safeness. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _log_writes_cleanup |
| _dmthin_cleanup |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmthin |
| . ./common/dmlogwrites |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_test |
| _require_scratch_nocheck |
| _require_log_writes |
| _require_dm_target thin-pool |
| |
| rm -f $seqres.full |
| |
| check_files() |
| { |
| local name=$1 |
| |
| # Now look for our files |
| for i in $(find $SANITY_DIR -type f | grep $name | grep mark); do |
| local filename=$(basename $i) |
| local mark="${filename##*.}" |
| echo "checking $filename" >> $seqres.full |
| _log_writes_replay_log $filename $DMTHIN_VOL_DEV |
| _dmthin_mount |
| local expected_md5=$(_md5_checksum $i) |
| local md5=$(_md5_checksum $SCRATCH_MNT/$name) |
| [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched" |
| _dmthin_check_fs |
| done |
| } |
| |
| SANITY_DIR=$TEST_DIR/fsxtests |
| rm -rf $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 |
| _log_writes_init $DMTHIN_VOL_DEV |
| |
| _log_writes_mkfs >> $seqres.full 2>&1 |
| |
| # Log writes emulates discard support, turn it on for maximum crying. |
| _log_writes_mount -o discard |
| |
| NUM_FILES=4 |
| NUM_OPS=200 |
| FSX_OPTS="-N $NUM_OPS -d -P $SANITY_DIR -i $LOGWRITES_DMDEV" |
| # Set random seeds for fsx runs (0 for timestamp + pid) |
| # When test failure is detected, check the seed values printed |
| # by fsx processes to $seqres.full and set them in this array |
| # to repeat the same fsx runs |
| seeds=(0 0 0 0) |
| # Run fsx for a while |
| for j in `seq 0 $((NUM_FILES-1))`; do |
| run_check $here/ltp/fsx $FSX_OPTS -S ${seeds[$j]} -j $j $SCRATCH_MNT/testfile$j & |
| done |
| wait |
| |
| test_md5=() |
| for j in `seq 0 $((NUM_FILES-1))`; do |
| test_md5[$j]=$(_md5_checksum $SCRATCH_MNT/testfile$j) |
| done |
| |
| # Unmount the scratch dir and tear down the log writes target |
| _log_writes_mark last |
| _log_writes_unmount |
| _log_writes_mark end |
| _log_writes_remove |
| _dmthin_check_fs |
| |
| # check pre umount |
| echo "checking pre umount" >> $seqres.full |
| _log_writes_replay_log last $DMTHIN_VOL_DEV |
| _dmthin_mount |
| _dmthin_check_fs |
| |
| for j in `seq 0 $((NUM_FILES-1))`; do |
| check_files testfile$j |
| done |
| |
| # Check the end |
| echo "checking post umount" >> $seqres.full |
| _log_writes_replay_log end $DMTHIN_VOL_DEV |
| _dmthin_mount |
| for j in `seq 0 $((NUM_FILES-1))`; do |
| md5=$(_md5_checksum $SCRATCH_MNT/testfile$j) |
| [ "${md5}" != "${test_md5[$j]}" ] && _fail "testfile$j end md5sum mismatched" |
| done |
| _dmthin_check_fs |
| |
| echo "Silence is golden" |
| status=0 |
| exit |