summaryrefslogtreecommitdiff
path: root/tests/qemu-iotests/052
blob: 842eaced3b696de583d2235898ad35461aa57d6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
#!/bin/bash
#
# Test bdrv_read/bdrv_write using BDRV_O_SNAPSHOT
#
# Copyright (C) 2013 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
owner=stefanha@redhat.com

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

here=`pwd`
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

_supported_fmt generic
_supported_proto file
_supported_os Linux

# Don't do O_DIRECT on tmpfs
_supported_cache_modes "writeback" "writethrough" "unsafe"

size=128M
_make_test_img $size

echo
echo "== initializing whole image =="
$QEMU_IO -c "write -z 0 $size" "$TEST_IMG" | _filter_qemu_io

echo
echo "== reading whole image =="
$QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io

echo
echo "== writing whole image does not modify image =="
$QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io

# success, all done
echo "*** done"
rm -f $seq.full
status=0