| #! /bin/bash |
| # FS QA Test No. 457 |
| # |
| # Run fsx with log writes on cloned files to verify power fail safeness. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (C) 2017 CTERA Networks. All Rights Reserved. |
| # Author: Amir Goldstein <amir73il@gmail.com> |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| 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 |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| . ./common/dmlogwrites |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| _require_test |
| _require_scratch_reflink |
| _require_cp_reflink |
| _require_log_writes |
| |
| 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 $filename |
| _scratch_mount |
| local expected_md5=$(_md5_checksum $i) |
| local md5=$(_md5_checksum $SCRATCH_MNT/$name) |
| [ "${md5}" != "${expected_md5}" ] && _fail "$filename md5sum mismatched" |
| _scratch_unmount |
| _check_scratch_fs |
| done |
| } |
| |
| SANITY_DIR=$TEST_DIR/fsxtests |
| rm -rf $SANITY_DIR |
| mkdir $SANITY_DIR |
| |
| # Create the log |
| _log_writes_init |
| |
| _log_writes_mkfs >> $seqres.full 2>&1 |
| |
| # Log writes emulates discard support, turn it on for maximum crying. |
| _log_writes_mount -o discard |
| |
| # write testfile index -1 to be cloned to testfile0 |
| $XFS_IO_PROG -f -c "pwrite -S 0xff 0 256k" -c "fsync" \ |
| $SCRATCH_MNT/testfile-1 > /dev/null 2>&1 |
| |
| NUM_FILES=10 |
| NUM_OPS=10 |
| FSX_OPTS="-N $NUM_OPS -d -k -P $SANITY_DIR -i $LOGWRITES_DMDEV" |
| # Run fsx for a while |
| # Set random seeds for fsx runs (0 for timestamp + pid) |
| for j in `seq 0 $((NUM_FILES-1))`; do |
| # clone the clone from prev iteration which may have already mutated |
| _cp_reflink $SCRATCH_MNT/testfile$((j-1)) $SCRATCH_MNT/testfile$j |
| run_check $here/ltp/fsx $FSX_OPTS -S 0 -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 |
| _check_scratch_fs |
| |
| # check pre umount |
| echo "checking pre umount" >> $seqres.full |
| _log_writes_replay_log last |
| _scratch_mount |
| _scratch_unmount |
| _check_scratch_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 |
| _scratch_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 |
| |
| echo "Silence is golden" |
| status=0 |
| exit |