[qemu.git] / tests / qemu-iotests / 032

#!/bin/bash
#
# Test that AIO requests are drained before an image is closed. This used
# to segfault because the request coroutine kept running even after the
# BlockDriverState was freed.
#
# Copyright (C) 2011 Red Hat, Inc.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
#

# creator
[email protected]

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

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

# This works for any image format (though unlikely to segfault for raw)
_supported_fmt generic
_supported_proto generic
_supported_os Linux

echo
echo === Prepare image ===
echo

CLUSTER_SIZE=65536
_make_test_img 64M

# Allocate every other cluster so that afterwards a big write request will
# actually loop a while and issue many I/O requests for the lower layer
for i in $(seq 0 128 4096); do echo "write ${i}k 64k"; done | $QEMU_IO $TEST_IMG | _filter_qemu_io

echo
echo === AIO request during close ===
echo
$QEMU_IO -c "aio_write 0 4M" -c "close" $TEST_IMG | _filter_qemu_io
_check_test_img

# success, all done
echo "*** done"
rm -f $seq.full
status=0
Commit	Line	Data
aafcdcc9 KW	1	#!/bin/bash
	2	#
	3	# Test that AIO requests are drained before an image is closed. This used
	4	# to segfault because the request coroutine kept running even after the
	5	# BlockDriverState was freed.
	6	#
	7	# Copyright (C) 2011 Red Hat, Inc.
	8	#
	9	# This program is free software; you can redistribute it and/or modify
	10	# it under the terms of the GNU General Public License as published by
	11	# the Free Software Foundation; either version 2 of the License, or
	12	# (at your option) any later version.
	13	#
	14	# This program is distributed in the hope that it will be useful,
	15	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	# GNU General Public License for more details.
	18	#
	19	# You should have received a copy of the GNU General Public License
	20	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	21	#
	22
	23	# creator
	24	[email protected]
	25
	26	seq=`basename $0`
	27	echo "QA output created by $seq"
	28
	29	here=`pwd`
	30	tmp=/tmp/$$
	31	status=1 # failure is the default!
	32
	33	_cleanup()
	34	{
	35	_cleanup_test_img
	36	}
	37	trap "_cleanup; exit \$status" 0 1 2 3 15
	38
	39	# get standard environment, filters and checks
	40	. ./common.rc
	41	. ./common.filter
	42	. ./common.pattern
	43
	44	# This works for any image format (though unlikely to segfault for raw)
	45	_supported_fmt generic
	46	_supported_proto generic
	47	_supported_os Linux
	48
	49	echo
	50	echo === Prepare image ===
	51	echo
	52
	53	CLUSTER_SIZE=65536
	54	_make_test_img 64M
	55
	56	# Allocate every other cluster so that afterwards a big write request will
	57	# actually loop a while and issue many I/O requests for the lower layer
	58	for i in $(seq 0 128 4096); do echo "write ${i}k 64k"; done \| $QEMU_IO $TEST_IMG \| _filter_qemu_io
	59
	60	echo
	61	echo === AIO request during close ===
	62	echo
	63	$QEMU_IO -c "aio_write 0 4M" -c "close" $TEST_IMG \| _filter_qemu_io
	64	_check_test_img
65
66	# success, all done
67	echo "*** done"
68	rm -f $seq.full
69	status=0