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908eaf68 | 1 | #!/bin/bash |
9128ae5e KW |
2 | # |
3 | # When using a backing file for the output image in qemu-img convert, | |
4 | # the backing file clusters must not copied. The data must still be | |
5 | # read correctly. | |
6 | # | |
7 | # Copyright (C) 2009 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 | |
e8c212d6 | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
9128ae5e KW |
21 | # |
22 | ||
23 | # creator | |
24 | owner=kwolf@redhat.com | |
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 | |
fef9c191 JC |
36 | rm -f "$TEST_IMG.base" |
37 | rm -f "$TEST_IMG.orig" | |
9128ae5e KW |
38 | } |
39 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
40 | ||
41 | # get standard environment, filters and checks | |
42 | . ./common.rc | |
43 | . ./common.filter | |
44 | . ./common.pattern | |
45 | ||
46 | # Any format supporting backing files | |
f5a4bbd9 | 47 | _supported_fmt qcow qcow2 vmdk qed |
1f7bf7d0 | 48 | _supported_proto file |
9128ae5e | 49 | _supported_os Linux |
d2329f27 FZ |
50 | _unsupported_imgopts "subformat=monolithicFlat" \ |
51 | "subformat=twoGbMaxExtentFlat" \ | |
52 | "subformat=twoGbMaxExtentSparse" | |
9128ae5e KW |
53 | |
54 | TEST_OFFSETS="0 4294967296" | |
8fc1024c | 55 | CLUSTER_SIZE=65536 |
9128ae5e KW |
56 | |
57 | _make_test_img 6G | |
58 | ||
59 | echo "Filling base image" | |
60 | echo | |
61 | ||
62 | for offset in $TEST_OFFSETS; do | |
63 | # Some clusters with alternating backing file/image file reads | |
2547caa1 | 64 | io_pattern writev $(( offset )) 512 1024 64 42 |
9128ae5e KW |
65 | |
66 | # Complete backing clusters | |
2547caa1 | 67 | io_pattern writev $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1 42 |
9128ae5e KW |
68 | done |
69 | _check_test_img | |
70 | ||
71 | echo "Creating test image with backing file" | |
72 | echo | |
73 | ||
fef9c191 JC |
74 | mv "$TEST_IMG" "$TEST_IMG.base" |
75 | _make_test_img -b "$TEST_IMG.base" 6G | |
9128ae5e KW |
76 | |
77 | echo "Filling test image" | |
78 | echo | |
79 | ||
80 | for offset in $TEST_OFFSETS; do | |
81 | # Some clusters with alternating backing file/image file reads | |
2547caa1 | 82 | io_pattern writev $(( offset + 512 )) 512 1024 64 43 |
9128ae5e KW |
83 | |
84 | # Complete test image clusters | |
2547caa1 | 85 | io_pattern writev $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1 43 |
9128ae5e KW |
86 | done |
87 | _check_test_img | |
88 | ||
fef9c191 | 89 | mv "$TEST_IMG" "$TEST_IMG.orig" |
9128ae5e | 90 | |
9128ae5e | 91 | |
9128ae5e | 92 | |
2547caa1 KW |
93 | # Test the conversion twice: One test with the old-style -B option and another |
94 | # one with -o backing_file | |
9128ae5e | 95 | |
3cbe3e8d | 96 | for backing_option in "-B " "-o backing_file="; do |
2547caa1 KW |
97 | |
98 | echo | |
cc8a7e56 | 99 | echo Testing conversion with $backing_option"$TEST_IMG.base" | _filter_testdir | _filter_imgfmt |
2547caa1 | 100 | echo |
3cbe3e8d | 101 | $QEMU_IMG convert -O $IMGFMT $backing_option"$TEST_IMG.base" "$TEST_IMG.orig" "$TEST_IMG" |
2547caa1 KW |
102 | |
103 | echo "Checking if backing clusters are allocated when they shouldn't" | |
104 | echo | |
105 | for offset in $TEST_OFFSETS; do | |
106 | # Complete backing clusters | |
107 | is_allocated $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1 | |
108 | done | |
109 | ||
110 | echo "Reading" | |
111 | echo | |
112 | ||
113 | for offset in $TEST_OFFSETS; do | |
114 | # Some clusters with alternating backing file/image file reads | |
115 | io_pattern readv $(( offset )) 512 1024 64 42 | |
116 | io_pattern readv $(( offset + 512 )) 512 1024 64 43 | |
117 | ||
118 | # Complete test image clusters | |
119 | io_pattern readv $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1 42 | |
120 | io_pattern readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1 43 | |
121 | ||
122 | # Empty sectors | |
123 | io_zero readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE * 4 )) $CLUSTER_SIZE $CLUSTER_SIZE 1 | |
124 | done | |
125 | _check_test_img | |
9128ae5e | 126 | |
9128ae5e | 127 | done |
9128ae5e KW |
128 | |
129 | # success, all done | |
130 | echo "*** done" | |
131 | rm -f $seq.full | |
132 | status=0 |