#! /bin/bash
# FS QA Test No. btrfs/115
#
# btrfs quota scan/disable sanity test
# Make sure that disabling quotas during a quota rescan doesn't crash
#
#-----------------------------------------------------------------------
# Copyright (c) 2015 NETGEAR, Inc.  All Rights Reserved.
#
# 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`
tmp=/tmp/$$
status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -f $tmp.*
}

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

# real QA test starts here
_supported_fs btrfs
_supported_os Linux
_require_scratch

_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount

for i in `seq 0 1 450000`; do
	echo -n > $SCRATCH_MNT/file.$i
done
echo 3 > /proc/sys/vm/drop_caches
$BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
$BTRFS_UTIL_PROG quota disable $SCRATCH_MNT


echo "Silence is golden"
status=0
exit