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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
#
# FSQA Test No. 166
#
# Test that if a power failure happens on a filesystem with quotas (qgroups)
# enabled while the quota rescan kernel thread is running, we will be able
# to mount the filesystem after the power failure.
#
. ./common/preamble
_begin_fstest auto quick qgroup
# Override the default cleanup function.
_cleanup()
{
_cleanup_flakey
cd /
rm -f $tmp.*
}
. ./common/filter
. ./common/dmflakey
_supported_fs btrfs
_require_scratch
_require_dm_target flakey
_scratch_mkfs >>$seqres.full 2>&1
_require_metadata_journaling $SCRATCH_DEV
_init_flakey
_mount_flakey
# Enable qgroups on the filesystem. This will start the qgroup rescan kernel
# thread.
_btrfs quota enable $SCRATCH_MNT
# Simulate a power failure, while the qgroup rescan kernel thread is running,
# and then mount the filesystem to check that mounting the filesystem does not
# fail.
_flakey_drop_and_remount
_unmount_flakey
_cleanup_flakey
echo "Silence is golden"
status=0
exit
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