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Commit | Line | Data |
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11a82d14 | 1 | #!/usr/bin/env bash |
9dd003a9 | 2 | # group: rw auto backing quick |
f95e26dd | 3 | # |
f4649069 | 4 | # Test bdrv_pread/bdrv_pwrite using BDRV_O_SNAPSHOT |
f95e26dd SH |
5 | # |
6 | # Copyright (C) 2013 Red Hat, Inc. | |
7 | # | |
8 | # This program is free software; you can redistribute it and/or modify | |
9 | # it under the terms of the GNU General Public License as published by | |
10 | # the Free Software Foundation; either version 2 of the License, or | |
11 | # (at your option) any later version. | |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | # | |
21 | ||
22 | # creator | |
23 | [email protected] | |
24 | ||
25 | seq=`basename $0` | |
26 | echo "QA output created by $seq" | |
27 | ||
f95e26dd SH |
28 | status=1 # failure is the default! |
29 | ||
30 | _cleanup() | |
31 | { | |
32 | _cleanup_test_img | |
33 | } | |
34 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
35 | ||
36 | # get standard environment, filters and checks | |
37 | . ./common.rc | |
38 | . ./common.filter | |
39 | ||
40 | _supported_fmt generic | |
1f7bf7d0 | 41 | _supported_proto file |
cf77b2d2 KW |
42 | |
43 | # Don't do O_DIRECT on tmpfs | |
755c5fe7 | 44 | _supported_cache_modes writeback writethrough unsafe |
f95e26dd SH |
45 | |
46 | size=128M | |
47 | _make_test_img $size | |
48 | ||
4e9b25fb DB |
49 | echo |
50 | echo "== initializing whole image ==" | |
51 | $QEMU_IO -c "write -z 0 $size" "$TEST_IMG" | _filter_qemu_io | |
52 | ||
f95e26dd SH |
53 | echo |
54 | echo "== reading whole image ==" | |
fef9c191 | 55 | $QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io |
f95e26dd SH |
56 | |
57 | echo | |
58 | echo "== writing whole image does not modify image ==" | |
fef9c191 JC |
59 | $QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io |
60 | $QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io | |
f95e26dd SH |
61 | |
62 | # success, all done | |
63 | echo "*** done" | |
64 | rm -f $seq.full | |
65 | status=0 |