tests/ext4/004

#! /bin/bash
# FSQA Test No. 004
#
# Test "dump | restore"(as opposed to a tape)
#
#-----------------------------------------------------------------------
# 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!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -f $tmp.*
	# remove the generated data, which is much and meaningless.
	rm -rf $restore_dir
}

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

dump_dir=$SCRATCH_MNT/dump_restore_dir
restore_dir=$TEST_DIR/dump_restore_dir

workout()
{
	echo "Run fsstress" >> $seqres.full
	args=`_scale_fsstress_args -z -f creat=5 -f write=20 -f mkdir=5 -n 100 -p 15 -d $dump_dir`
	echo "fsstress $args" >> $seqres.full

	$FSSTRESS_PROG $args >> $seqres.full 2>&1

	echo "start Dump/Restore" >> $seqres.full
	cd $TEST_DIR

	$DUMP_PROG -0 -f - $dump_dir 2>/dev/null | $RESTORE_PROG -urvf - >> $seqres.full 2>&1
	if [ $? -ne 0 ];then
		_fail "Dump/Restore failed"
	fi

	rm -rf restoresymtable
}

# real QA test starts here
_supported_fs ext4
_supported_os Linux

_require_test
_require_scratch

_require_command "$DUMP_PROG" dump
_require_command "$RESTORE_PROG" restore

rm -f $seqres.full
echo "Silence is golden"

_scratch_mkfs_sized $((512 * 1024 * 1024)) >> $seqres.full 2>&1
_scratch_mount
rm -rf $restore_dir $TEST_DIR/restoresymtable

workout
diff -r $dump_dir $restore_dir

status=0
exit