#!/bin/bash
# FS QA Test No. btrfs/032
#
# Regression test for transaction abortion when remounting RW to RO
# with flushoncommit option enabled.
#
#-----------------------------------------------------------------------
# Copyright (c) 2014 Fujitsu.  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!

_cleanup()
{
    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

_scratch_mkfs > /dev/null 2>&1
_scratch_mount "-o flushoncommit"

$XFS_IO_PROG -f -c "pwrite 0 10M" "$SCRATCH_MNT/tmpfile" | _filter_xfs_io

_scratch_mount "-o remount,ro"

status=0 ; exit