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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
#
# FS QA Test No. 509
#
# Test that if we fsync a tmpfile, without adding a hard link to it, and then
# power fail, we will be able to mount the filesystem without triggering any
# crashes, warnings or corruptions.
#
. ./common/preamble
_begin_fstest auto quick log
# Override the default cleanup function.
_cleanup()
{
_cleanup_flakey
cd /
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/dmflakey
# real QA test starts here
_supported_fs generic
_require_scratch
_require_xfs_io_command "-T"
_require_dm_target flakey
_scratch_mkfs >>$seqres.full 2>&1
_require_metadata_journaling $SCRATCH_DEV
_init_flakey
_mount_flakey
# Create our tmpfile, write some data to it and fsync it. We want a power
# failure to happen after the fsync, so that we have an inode with a link
# count of 0 in our log/journal.
$XFS_IO_PROG -T \
-c "pwrite -S 0xab 0 64K" \
-c "fsync" \
$SCRATCH_MNT | _filter_xfs_io
# Simulate a power failure and mount the filesystem to check that it succeeds.
_flakey_drop_and_remount
_unmount_flakey
status=0
exit
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