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908eaf68 | 1 | #!/bin/bash |
2557d865 KW |
2 | # |
3 | # Simple backing file reads | |
4 | # | |
5 | # Copyright (C) 2009 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 | |
e8c212d6 | 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
2557d865 KW |
19 | # |
20 | ||
21 | # creator | |
22 | owner=kwolf@redhat.com | |
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 | _cleanup() | |
32 | { | |
33 | _cleanup_test_img | |
34 | } | |
35 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
36 | ||
37 | # get standard environment, filters and checks | |
38 | . ./common.rc | |
39 | . ./common.filter | |
40 | . ./common.pattern | |
41 | ||
42 | # Any format supporting backing files | |
f5a4bbd9 | 43 | _supported_fmt qcow qcow2 vmdk qed |
9cdfa1b3 | 44 | _supported_proto generic |
2557d865 KW |
45 | _supported_os Linux |
46 | ||
47 | TEST_OFFSETS="0 4294967296" | |
48 | ||
49 | _make_test_img 6G | |
50 | ||
51 | echo "Filling base image" | |
52 | echo | |
53 | ||
54 | for offset in $TEST_OFFSETS; do | |
55 | # Some clusters with alternating backing file/image file reads | |
56 | io writev $(( offset )) 512 1024 64 | |
57 | ||
58 | # Complete backing clusters | |
59 | io writev $(( offset + 64 * 1024)) 65536 65536 1 | |
60 | done | |
61 | _check_test_img | |
62 | ||
63 | echo "Creating test image with backing file" | |
64 | echo | |
65 | ||
66 | mv $TEST_IMG $TEST_IMG.base | |
67 | _make_test_img -b $TEST_IMG.base 6G | |
68 | ||
69 | echo "Filling test image" | |
70 | echo | |
71 | ||
72 | for offset in $TEST_OFFSETS; do | |
73 | # Some clusters with alternating backing file/image file reads | |
74 | io writev $(( offset + 512 )) 512 1024 64 | |
75 | ||
76 | # Complete test image clusters | |
77 | io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1 | |
78 | done | |
79 | _check_test_img | |
80 | ||
81 | echo "Reading" | |
82 | echo | |
83 | ||
84 | for offset in $TEST_OFFSETS; do | |
85 | # Some clusters with alternating backing file/image file reads | |
86 | io readv $(( offset )) 512 1024 64 | |
87 | io readv $(( offset + 512 )) 512 1024 64 | |
88 | ||
89 | # Complete test image clusters | |
90 | io readv $(( offset + 64 * 1024)) 65536 65536 1 | |
91 | io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1 | |
92 | ||
93 | # Empty sectors | |
94 | io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1 | |
95 | done | |
96 | _check_test_img | |
97 | ||
98 | # success, all done | |
99 | echo "*** done" | |
100 | rm -f $seq.full | |
101 | status=0 |