2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
7 # Test that if we fsync a tmpfile, without adding a hard link to it, and then
8 # power fail, we will be able to mount the filesystem without triggering any
9 # crashes, warnings or corruptions.
12 seqres=$RESULT_DIR/$seq
13 echo "QA output created by $seq"
15 status=1 # failure is the default!
16 trap "_cleanup; exit \$status" 0 1 2 3 15
25 # get standard environment, filters and checks
30 # real QA test starts here
34 _require_xfs_io_command "-T"
35 _require_dm_target flakey
39 _scratch_mkfs >>$seqres.full 2>&1
40 _require_metadata_journaling $SCRATCH_DEV
44 # Create our tmpfile, write some data to it and fsync it. We want a power
45 # failure to happen after the fsync, so that we have an inode with a link
46 # count of 0 in our log/journal.
48 -c "pwrite -S 0xab 0 64K" \
50 $SCRATCH_MNT | _filter_xfs_io
52 # Simulate a power failure and mount the filesystem to check that it succeeds.
53 _flakey_drop_and_remount