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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` | |
31 | tmp=/tmp/$$ | |
32 | status=1 # failure is the default! | |
33 | ||
34 | _cleanup() | |
35 | { | |
36 | _cleanup_test_img | |
37 | } | |
38 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
39 | ||
40 | # get standard environment, filters and checks | |
41 | . ./common.rc | |
42 | . ./common.filter | |
43 | ||
44 | _supported_fmt qcow2 | |
45 | _supported_proto generic | |
46 | _supported_os Linux | |
166f3c7b | 47 | _unsupported_qemu_io_options --nocache |
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 | ||
57 | $QEMU_IO -c "write -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io | |
58 | ||
59 | # The dirty bit must not be set | |
60 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
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 $size | |
68 | ||
69 | old_ulimit=$(ulimit -c) | |
70 | ulimit -c 0 # do not produce a core dump on abort(3) | |
71 | $QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io | |
72 | ulimit -c "$old_ulimit" | |
73 | ||
74 | # The dirty bit must be set | |
75 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
76 | _check_test_img | |
77 | ||
78 | echo | |
79 | echo "== Read-only access must still work ==" | |
80 | ||
81 | $QEMU_IO -r -c "read -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io | |
82 | ||
83 | # The dirty bit must be set | |
84 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
85 | ||
86 | echo | |
87 | echo "== Repairing the image file must succeed ==" | |
88 | ||
c6bb9ad1 | 89 | _check_test_img -r all |
dc68afe0 SH |
90 | |
91 | # The dirty bit must not be set | |
92 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
93 | ||
94 | echo | |
95 | echo "== Data should still be accessible after repair ==" | |
96 | ||
97 | $QEMU_IO -c "read -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io | |
98 | ||
99 | echo | |
100 | echo "== Opening a dirty image read/write should repair it ==" | |
101 | ||
102 | IMGOPTS="compat=1.1,lazy_refcounts=on" | |
103 | _make_test_img $size | |
104 | ||
105 | old_ulimit=$(ulimit -c) | |
106 | ulimit -c 0 # do not produce a core dump on abort(3) | |
107 | $QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io | |
108 | ulimit -c "$old_ulimit" | |
109 | ||
110 | # The dirty bit must be set | |
111 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
112 | ||
113 | $QEMU_IO -c "write 0 512" $TEST_IMG | _filter_qemu_io | |
114 | ||
115 | # The dirty bit must not be set | |
116 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
117 | ||
118 | echo | |
119 | echo "== Creating an image file with lazy_refcounts=off ==" | |
120 | ||
121 | IMGOPTS="compat=1.1,lazy_refcounts=off" | |
122 | _make_test_img $size | |
123 | ||
124 | old_ulimit=$(ulimit -c) | |
125 | ulimit -c 0 # do not produce a core dump on abort(3) | |
126 | $QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io | |
127 | ulimit -c "$old_ulimit" | |
128 | ||
129 | # The dirty bit must not be set since lazy_refcounts=off | |
130 | ./qcow2.py $TEST_IMG dump-header | grep incompatible_features | |
131 | _check_test_img | |
132 | ||
133 | # success, all done | |
134 | echo "*** done" | |
135 | rm -f $seq.full | |
136 | status=0 | |
137 |