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11a82d14 | 1 | #!/usr/bin/env bash |
9dd003a9 | 2 | # group: rw auto quick |
40812d93 EB |
3 | # |
4 | # Test corner cases with unusual block geometries | |
5 | # | |
d6ac6e93 | 6 | # Copyright (C) 2016-2018 Red Hat, Inc. |
40812d93 EB |
7 | # |
8 | # This program is free software; you can redistribute it and/or modify | |
9 | # it under the terms of the GNU General Public License as published by | |
10 | # the Free Software Foundation; either version 2 of the License, or | |
11 | # (at your option) any later version. | |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | # | |
21 | ||
22 | # creator | |
23 | owner=eblake@redhat.com | |
24 | ||
25 | seq=`basename $0` | |
26 | echo "QA output created by $seq" | |
27 | ||
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28 | status=1 # failure is the default! |
29 | ||
30 | _cleanup() | |
31 | { | |
32 | _cleanup_test_img | |
33 | } | |
34 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
35 | ||
36 | # get standard environment, filters and checks | |
37 | . ./common.rc | |
38 | . ./common.filter | |
39 | ||
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40 | # This test is runnable under compat=0.10; see test 204 for additional |
41 | # tests specific to compat=1.1. | |
42 | ||
40812d93 | 43 | _supported_fmt qcow2 |
57284d2a | 44 | _supported_proto file fuse |
40812d93 EB |
45 | |
46 | CLUSTER_SIZE=1M | |
47 | size=128M | |
48 | options=driver=blkdebug,image.driver=qcow2 | |
49 | ||
50 | echo | |
51 | echo "== setting up files ==" | |
52 | ||
53 | TEST_IMG="$TEST_IMG.base" _make_test_img $size | |
54 | $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io | |
b66ff2c2 | 55 | _make_test_img -b "$TEST_IMG.base" -F $IMGFMT |
d6ac6e93 | 56 | $QEMU_IO -c "write -P 22 0 $size" "$TEST_IMG" | _filter_qemu_io |
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57 | |
58 | # Limited to 64k max-transfer | |
59 | echo | |
60 | echo "== constrained alignment and max-transfer ==" | |
61 | limits=align=4k,max-transfer=64k | |
62 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
63 | -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io | |
64 | ||
65 | echo | |
66 | echo "== write zero with constrained max-transfer ==" | |
67 | limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE | |
68 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
69 | -c "write -z 8003584 2093056" | _filter_qemu_io | |
70 | ||
71 | # non-power-of-2 write-zero/discard alignments | |
72 | echo | |
73 | echo "== non-power-of-2 write zeroes limits ==" | |
74 | ||
75 | limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M | |
76 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
77 | -c "write -z 32M 32M" | _filter_qemu_io | |
78 | ||
79 | echo | |
80 | echo "== non-power-of-2 discard limits ==" | |
81 | ||
82 | limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M | |
83 | $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ | |
84 | -c "discard 80000001 30M" | _filter_qemu_io | |
85 | ||
86 | echo | |
87 | echo "== verify image content ==" | |
88 | ||
8cedcffd | 89 | verify_io() |
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90 | { |
91 | if ($QEMU_IMG info -f "$IMGFMT" "$TEST_IMG" | | |
92 | grep "compat: 0.10" > /dev/null); then | |
80f5c011 AG |
93 | # In v2 images clusters are not discarded when there is a backing file |
94 | # so the previous value is read | |
95 | discarded=22 | |
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96 | else |
97 | # Discarded clusters are zeroed for v3 or later | |
98 | discarded=0 | |
99 | fi | |
100 | ||
101 | echo read -P 22 0 1000 | |
102 | echo read -P 33 1000 128k | |
103 | echo read -P 22 132072 7871512 | |
104 | echo read -P 0 8003584 2093056 | |
105 | echo read -P 22 10096640 23457792 | |
106 | echo read -P 0 32M 32M | |
107 | echo read -P 22 64M 13M | |
108 | echo read -P $discarded 77M 29M | |
d6ac6e93 | 109 | echo read -P 22 106M 22M |
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110 | } |
111 | ||
112 | verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io | |
113 | ||
114 | _check_test_img | |
115 | ||
116 | # success, all done | |
117 | echo "*** done" | |
118 | status=0 |