#! /bin/bash
# FSQA Test No. 272
#
# Test data journaling flag switch for a single file  
#
#-----------------------------------------------------------------------
# Copyright (c) 2006 Silicon Graphics, 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
#
#-----------------------------------------------------------------------
#
# creator
owner=dmonakhov@openvz.org

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

# ext3 doesn't support direct IO in journalling mode
write_opt_list="iflag=noatime conv=notrunc conv=fsync"
# For filesystems that can handle it, add also direct IO test
[ $FSTYP = "ext4" ] && write_opt_list="$write_opt_list oflag=direct"

# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_workout()
{
	echo "Switch data journalling mode. Silence is golden."
	chattr_opt_list="+j -j +jS -j"
	idx=0
	#
	for write_opt in $write_opt_list
	do
		idx=$((idx + 1))
		for chattr_opt in $chattr_opt_list
		do
		    
			echo "OP write_opt: $write_opt 4M, \
chattr_opt: $chattr_opt" >>$seq.full
			dd if=/dev/zero of=$SCRATCH_MNT/file.$idx \
				bs=1M count=4 $write_opt \
				>> $seq.full 2>&1 || exit
			chattr $chattr_opt $SCRATCH_MNT/file.$idx >> $seq.full \
				|| exit
		done
	done
	sync
	# Same as previous test, but for one file,
	# and with ENOSPC triggering
	for write_opt in $write_opt_list
	do
		idx=$((idx + 1))
		for chattr_opt in $chattr_opt_list
		do

			echo "OP write_opt: $write_opt ENOSPC, \
chattr_opt: $chattr_opt" >>$seq.full
			dd if=/dev/zero of=$SCRATCH_MNT/file.$idx \
				bs=1M $write_opt >> $seq.full 2>&1
			chattr $chattr_opt $SCRATCH_MNT/file.$idx \
				>> $seq.full || exit
		done
		sync
		unlink $SCRATCH_MNT/file.$idx
	done
}

# real QA test starts here
_supported_fs ext3 ext4
_supported_os Linux
_need_to_be_root
_require_scratch

_scratch_mkfs_sized $((64 * 1024 * 1024)) >> $seq.full 2>&1
_scratch_mount

if ! _workout; then
	echo "workout failed"
	_scratch_unmount
	status=1
	exit
fi

if ! _scratch_unmount; then
	echo "failed to umount"
	status=1
	exit
fi
echo "Check filesystem"
_check_scratch_fs
status=$?
exit