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1 | #!/bin/bash |
2 | # | |
3 | # Test corner cases with unusual block geometries | |
4 | # | |
d6ac6e93 | 5 | # Copyright (C) 2016-2018 Red Hat, Inc. |
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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 | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | # | |
20 | ||
21 | # creator | |
22 | owner=eblake@redhat.com | |
23 | ||
24 | seq=`basename $0` | |
25 | echo "QA output created by $seq" | |
26 | ||
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27 | status=1 # failure is the default! |
28 | ||
29 | _cleanup() | |
30 | { | |
31 | _cleanup_test_img | |
32 | } | |
33 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
34 | ||
35 | # get standard environment, filters and checks | |
36 | . ./common.rc | |
37 | . ./common.filter | |
38 | ||
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39 | # This test is runnable under compat=0.10; see test 204 for additional |
40 | # tests specific to compat=1.1. | |
41 | ||
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42 | _supported_fmt qcow2 |
43 | _supported_proto file | |
44 | ||
45 | CLUSTER_SIZE=1M | |
46 | size=128M | |
47 | options=driver=blkdebug,image.driver=qcow2 | |
48 | ||
49 | echo | |
50 | echo "== setting up files ==" | |
51 | ||
52 | TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
53 | $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io | |
54 | _make_test_img -b "$TEST_IMG.base" | |
d6ac6e93 | 55 | $QEMU_IO -c "write -P 22 0 $size" "$TEST_IMG" | _filter_qemu_io |
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56 | |
57 | # Limited to 64k max-transfer | |
58 | echo | |
59 | echo "== constrained alignment and max-transfer ==" | |
60 | limits=align=4k,max-transfer=64k | |
61 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
62 | -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io | |
63 | ||
64 | echo | |
65 | echo "== write zero with constrained max-transfer ==" | |
66 | limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE | |
67 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
68 | -c "write -z 8003584 2093056" | _filter_qemu_io | |
69 | ||
70 | # non-power-of-2 write-zero/discard alignments | |
71 | echo | |
72 | echo "== non-power-of-2 write zeroes limits ==" | |
73 | ||
74 | limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M | |
75 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
76 | -c "write -z 32M 32M" | _filter_qemu_io | |
77 | ||
78 | echo | |
79 | echo "== non-power-of-2 discard limits ==" | |
80 | ||
81 | limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M | |
82 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
83 | -c "discard 80000001 30M" | _filter_qemu_io | |
84 | ||
85 | echo | |
86 | echo "== verify image content ==" | |
87 | ||
8cedcffd | 88 | verify_io() |
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89 | { |
90 | if ($QEMU_IMG info -f "$IMGFMT" "$TEST_IMG" | | |
91 | grep "compat: 0.10" > /dev/null); then | |
92 | # For v2 images, discarded clusters are read from the backing file | |
93 | discarded=11 | |
94 | else | |
95 | # Discarded clusters are zeroed for v3 or later | |
96 | discarded=0 | |
97 | fi | |
98 | ||
99 | echo read -P 22 0 1000 | |
100 | echo read -P 33 1000 128k | |
101 | echo read -P 22 132072 7871512 | |
102 | echo read -P 0 8003584 2093056 | |
103 | echo read -P 22 10096640 23457792 | |
104 | echo read -P 0 32M 32M | |
105 | echo read -P 22 64M 13M | |
106 | echo read -P $discarded 77M 29M | |
d6ac6e93 | 107 | echo read -P 22 106M 22M |
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108 | } |
109 | ||
110 | verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io | |
111 | ||
112 | _check_test_img | |
113 | ||
114 | # success, all done | |
115 | echo "*** done" | |
116 | status=0 |