apfstests/tests/btrfs/057

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2014 Fujitsu.  All rights reserved.
#
# FSQA Test No. btrfs/057
#
# Quota rescan stress test, we run fsstress and quota rescan concurrently
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1

_cleanup()
{
	cd /
	rm -f $tmp.*
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_fs btrfs
_supported_os Linux
_require_scratch

rm -f $seqres.full

run_check _scratch_mkfs "-b 1g"

_scratch_mount

# -w ensures that the only ops are ones which cause write I/O
run_check $FSSTRESS_PROG -d $SCRATCH_MNT -w -p 5 -n 1000 \
		$FSSTRESS_AVOID >&/dev/null

_run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT \
	$SCRATCH_MNT/snap1

run_check $FSSTRESS_PROG -d $SCRATCH_MNT/snap1 -w -p 5 -n 1000 \
       $FSSTRESS_AVOID >&/dev/null

_run_btrfs_util_prog quota enable $SCRATCH_MNT
_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT

echo "Silence is golden"
# btrfs check will detect any qgroup number mismatch.

status=0
exit