[qemu.git] / tests / qemu-iotests / 128

#!/bin/bash
#
# Test that opening O_DIRECT succeeds when image file I/O produces EIO
#
# Copyright (C) 2015 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!

devname="eiodev$$"
sudo=""

_setup_eiodev()
{
	# This test should either be run as root or with passwordless sudo
	for cmd in "" "sudo -n"; do
		echo "0 $((1024 * 1024 * 1024 / 512)) error" | \
			$cmd dmsetup create "$devname" 2>/dev/null
		if [ "$?" -eq 0 ]; then
			sudo="$cmd"
			return
		fi
	done
	_notrun "root privileges required to run dmsetup"
}

_cleanup_eiodev()
{
	for cmd in "" "sudo -n"; do
		$cmd dmsetup remove "$devname" 2>/dev/null
		if [ "$?" -eq 0 ]; then
			return
		fi
	done
}

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

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

_supported_fmt raw
_supported_proto file
_supported_os Linux

_setup_eiodev

TEST_IMG="/dev/mapper/$devname"

echo
echo "== reading from error device =="
# Opening image should succeed but the read operation should fail
$sudo $QEMU_IO --format "$IMGFMT" --nocache -c "read 0 65536" "$TEST_IMG" | _filter_qemu_io

# success, all done
echo "*** done"
rm -f $seq.full
status=0
Commit	Line	Data
1a6e5979 SH	1	#!/bin/bash
	2	#
	3	# Test that opening O_DIRECT succeeds when image file I/O produces EIO
	4	#
	5	# Copyright (C) 2015 Red Hat, Inc.
	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	#
	20
	21	# creator
	22	[email protected]
	23
	24	seq=`basename $0`
	25	echo "QA output created by $seq"
	26
	27	here=`pwd`
	28	tmp=/tmp/$$
	29	status=1 # failure is the default!
	30
	31	devname="eiodev$$"
9aa711d7	32	sudo=""
1a6e5979 SH	33
	34	_setup_eiodev()
	35	{
	36	# This test should either be run as root or with passwordless sudo
	37	for cmd in "" "sudo -n"; do
	38	echo "0 $((1024 * 1024 * 1024 / 512)) error" \| \
	39	$cmd dmsetup create "$devname" 2>/dev/null
	40	if [ "$?" -eq 0 ]; then
9aa711d7	41	sudo="$cmd"
1a6e5979 SH	42	return
	43	fi
	44	done
	45	_notrun "root privileges required to run dmsetup"
	46	}
	47
	48	_cleanup_eiodev()
	49	{
	50	for cmd in "" "sudo -n"; do
	51	$cmd dmsetup remove "$devname" 2>/dev/null
	52	if [ "$?" -eq 0 ]; then
	53	return
	54	fi
	55	done
	56	}
	57
	58	_cleanup()
	59	{
	60	_cleanup_eiodev
	61	}
	62	trap "_cleanup; exit \$status" 0 1 2 3 15
	63
	64	# get standard environment, filters and checks
	65	. ./common.rc
	66	. ./common.filter
	67
	68	_supported_fmt raw
	69	_supported_proto file
	70	_supported_os Linux
	71
	72	_setup_eiodev
	73
	74	TEST_IMG="/dev/mapper/$devname"
	75
	76	echo
	77	echo "== reading from error device =="
	78	# Opening image should succeed but the read operation should fail
9aa711d7	79	$sudo $QEMU_IO --format "$IMGFMT" --nocache -c "read 0 65536" "$TEST_IMG" \| _filter_qemu_io
1a6e5979 SH	80
	81	# success, all done
	82	echo "*** done"
	83	rm -f $seq.full
	84	status=0