#! /bin/bash
# FS QA Test 452
#
# This is a regression test for kernel patch:
#   commit 42d4a99b09cb ("ext4: fix fault handling when mounted with -o dax,ro")
# created by Ross Zwisler <ross.zwisler@linux.intel.com>
#
#-----------------------------------------------------------------------
# Copyright (c) 2017 Intel Corporation.  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

# remove previous $seqres.full before test
rm -f $seqres.full

# Modify as appropriate.
_supported_fs generic
_supported_os Linux
_require_scratch

# we need to be able to execute binaries on scratch
_exclude_scratch_mount_option "noexec"

# real QA test starts here
# format and mount
_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1

LS=$(which ls --skip-alias --skip-functions)
SCRATCH_LS=$SCRATCH_MNT/ls_on_scratch
cp $LS $SCRATCH_LS

$SCRATCH_LS $SCRATCH_LS | _filter_scratch

_scratch_remount ro

$SCRATCH_LS $SCRATCH_LS | _filter_scratch

# success, all done
status=0
exit