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1 | #!/bin/bash |
2 | # | |
3 | # Test qcow2 lazy refcounts | |
4 | # | |
5 | # Copyright (C) 2012 Red Hat, Inc. | |
6 | # Copyright IBM, Corp. 2010 | |
7 | # | |
8 | # Based on test 038. | |
9 | # | |
10 | # This program is free software; you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License as published by | |
12 | # the Free Software Foundation; either version 2 of the License, or | |
13 | # (at your option) any later version. | |
14 | # | |
15 | # This program is distributed in the hope that it will be useful, | |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU General Public License for more details. | |
19 | # | |
20 | # You should have received a copy of the GNU General Public License | |
21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
22 | # | |
23 | ||
24 | # creator | |
25 | owner=stefanha@linux.vnet.ibm.com | |
26 | ||
27 | seq=`basename $0` | |
28 | echo "QA output created by $seq" | |
29 | ||
30 | here=`pwd` | |
dc68afe0 SH |
31 | status=1 # failure is the default! |
32 | ||
33 | _cleanup() | |
34 | { | |
35 | _cleanup_test_img | |
36 | } | |
37 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
38 | ||
39 | # get standard environment, filters and checks | |
40 | . ./common.rc | |
41 | . ./common.filter | |
42 | ||
43 | _supported_fmt qcow2 | |
1f7bf7d0 | 44 | _supported_proto file |
dc68afe0 | 45 | _supported_os Linux |
f210a83c FZ |
46 | _default_cache_mode "writethrough" |
47 | _supported_cache_modes "writethrough" | |
dc68afe0 SH |
48 | |
49 | size=128M | |
50 | ||
51 | echo | |
52 | echo "== Checking that image is clean on shutdown ==" | |
53 | ||
54 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
55 | _make_test_img $size | |
56 | ||
f897e393 | 57 | $QEMU_IO -c "write -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io |
dc68afe0 SH |
58 | |
59 | # The dirty bit must not be set | |
ea81ca9d | 60 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
61 | _check_test_img |
62 | ||
63 | echo | |
64 | echo "== Creating a dirty image file ==" | |
65 | ||
66 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
67 | _make_test_img $size | |
68 | ||
934659c4 HR |
69 | $QEMU_IO -c "write -P 0x5a 0 512" \ |
70 | -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \ | |
3f394472 | 71 | | _filter_qemu_io |
dc68afe0 SH |
72 | |
73 | # The dirty bit must be set | |
ea81ca9d | 74 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
75 | _check_test_img |
76 | ||
77 | echo | |
78 | echo "== Read-only access must still work ==" | |
79 | ||
fef9c191 | 80 | $QEMU_IO -r -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io |
dc68afe0 SH |
81 | |
82 | # The dirty bit must be set | |
ea81ca9d | 83 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
84 | |
85 | echo | |
86 | echo "== Repairing the image file must succeed ==" | |
87 | ||
c6bb9ad1 | 88 | _check_test_img -r all |
dc68afe0 SH |
89 | |
90 | # The dirty bit must not be set | |
ea81ca9d | 91 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
92 | |
93 | echo | |
94 | echo "== Data should still be accessible after repair ==" | |
95 | ||
fef9c191 | 96 | $QEMU_IO -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io |
dc68afe0 SH |
97 | |
98 | echo | |
99 | echo "== Opening a dirty image read/write should repair it ==" | |
100 | ||
101 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
102 | _make_test_img $size | |
103 | ||
934659c4 HR |
104 | $QEMU_IO -c "write -P 0x5a 0 512" \ |
105 | -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \ | |
3f394472 | 106 | | _filter_qemu_io |
dc68afe0 SH |
107 | |
108 | # The dirty bit must be set | |
ea81ca9d | 109 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 | 110 | |
fef9c191 | 111 | $QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io |
dc68afe0 SH |
112 | |
113 | # The dirty bit must not be set | |
ea81ca9d | 114 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
115 | |
116 | echo | |
117 | echo "== Creating an image file with lazy_refcounts=off ==" | |
118 | ||
119 | IMGOPTS="compat=1.1,lazy_refcounts=off" | |
120 | _make_test_img $size | |
121 | ||
934659c4 HR |
122 | $QEMU_IO -c "write -P 0x5a 0 512" \ |
123 | -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \ | |
3f394472 | 124 | | _filter_qemu_io |
dc68afe0 SH |
125 | |
126 | # The dirty bit must not be set since lazy_refcounts=off | |
ea81ca9d | 127 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
dc68afe0 SH |
128 | _check_test_img |
129 | ||
4c2e5f8f KW |
130 | echo |
131 | echo "== Committing to a backing file with lazy_refcounts=on ==" | |
132 | ||
133 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
134 | TEST_IMG="$TEST_IMG".base _make_test_img $size | |
135 | ||
136 | IMGOPTS="compat=1.1,lazy_refcounts=on,backing_file=$TEST_IMG.base" | |
137 | _make_test_img $size | |
138 | ||
139 | $QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io | |
140 | $QEMU_IMG commit "$TEST_IMG" | |
141 | ||
142 | # The dirty bit must not be set | |
ea81ca9d HR |
143 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features |
144 | $PYTHON qcow2.py "$TEST_IMG".base dump-header | grep incompatible_features | |
4c2e5f8f KW |
145 | |
146 | _check_test_img | |
147 | TEST_IMG="$TEST_IMG".base _check_test_img | |
148 | ||
e615053b KW |
149 | echo |
150 | echo "== Changing lazy_refcounts setting at runtime ==" | |
151 | ||
152 | IMGOPTS="compat=1.1,lazy_refcounts=off" | |
153 | _make_test_img $size | |
154 | ||
155 | $QEMU_IO -c "reopen -o lazy-refcounts=on" \ | |
156 | -c "write -P 0x5a 0 512" \ | |
157 | -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \ | |
158 | | _filter_qemu_io | |
159 | ||
160 | # The dirty bit must be set | |
161 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
162 | _check_test_img | |
163 | ||
164 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
165 | _make_test_img $size | |
166 | ||
167 | $QEMU_IO -c "reopen -o lazy-refcounts=off" \ | |
168 | -c "write -P 0x5a 0 512" \ | |
169 | -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \ | |
170 | | _filter_qemu_io | |
171 | ||
172 | # The dirty bit must not be set | |
173 | $PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | |
174 | _check_test_img | |
175 | ||
4c2e5f8f | 176 | |
dc68afe0 SH |
177 | # success, all done |
178 | echo "*** done" | |
179 | rm -f $seq.full | |
180 | status=0 | |
181 |