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Commit | Line | Data |
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11a82d14 | 1 | #!/usr/bin/env bash |
bce283cc KW |
2 | # |
3 | # Test COW from backing files | |
4 | # | |
5 | # Copyright (C) 2012 Red Hat, Inc. | |
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=kwolf@redhat.com | |
23 | ||
24 | seq=`basename $0` | |
25 | echo "QA output created by $seq" | |
26 | ||
bce283cc KW |
27 | status=1 # failure is the default! |
28 | ||
29 | _cleanup() | |
30 | { | |
31 | _cleanup_test_img | |
32 | } | |
33 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
34 | ||
35 | # get standard environment, filters and checks | |
36 | . ./common.rc | |
37 | . ./common.filter | |
38 | ||
39 | _supported_fmt qcow qcow2 vmdk qed | |
1f7bf7d0 | 40 | _supported_proto file |
bce283cc | 41 | _supported_os Linux |
d2329f27 FZ |
42 | _unsupported_imgopts "subformat=monolithicFlat" \ |
43 | "subformat=twoGbMaxExtentFlat" \ | |
44 | "subformat=twoGbMaxExtentSparse" | |
bce283cc KW |
45 | |
46 | CLUSTER_SIZE=4k | |
47 | size=128M | |
48 | ||
49 | echo | |
50 | echo "== creating backing file for COW tests ==" | |
51 | ||
9b652fbe FZ |
52 | TEST_IMG_SAVE="$TEST_IMG" |
53 | TEST_IMG="$TEST_IMG.base" | |
54 | ||
bce283cc KW |
55 | _make_test_img $size |
56 | ||
8cedcffd | 57 | backing_io() |
bce283cc KW |
58 | { |
59 | local offset=$1 | |
60 | local sectors=$2 | |
61 | local op=$3 | |
62 | local pattern=0 | |
63 | local cur_sec=0 | |
64 | ||
65 | for i in $(seq 0 $((sectors - 1))); do | |
66 | cur_sec=$((offset / 512 + i)) | |
67 | pattern=$(( ( (cur_sec % 256) + (cur_sec / 256)) % 256 )) | |
68 | ||
69 | echo "$op -P $pattern $((cur_sec * 512)) 512" | |
70 | done | |
71 | } | |
72 | ||
fef9c191 | 73 | backing_io 0 256 write | $QEMU_IO "$TEST_IMG" | _filter_qemu_io |
bce283cc | 74 | |
9b652fbe | 75 | TEST_IMG="$TEST_IMG_SAVE" |
bce283cc | 76 | |
fef9c191 | 77 | _make_test_img -b "$TEST_IMG.base" 6G |
bce283cc KW |
78 | |
79 | echo | |
80 | echo "== COW in a single cluster ==" | |
fef9c191 JC |
81 | $QEMU_IO -c "write -P 0x77 0 2k" "$TEST_IMG" | _filter_qemu_io |
82 | $QEMU_IO -c "write -P 0x88 6k 2k" "$TEST_IMG" | _filter_qemu_io | |
83 | $QEMU_IO -c "write -P 0x99 9k 2k" "$TEST_IMG" | _filter_qemu_io | |
bce283cc | 84 | |
fef9c191 JC |
85 | $QEMU_IO -c "read -P 0x77 0 2k" "$TEST_IMG" | _filter_qemu_io |
86 | backing_io $((2 * 1024)) 8 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
87 | $QEMU_IO -c "read -P 0x88 6k 2k" "$TEST_IMG" | _filter_qemu_io | |
88 | backing_io $((8 * 1024)) 2 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
89 | $QEMU_IO -c "read -P 0x99 9k 2k" "$TEST_IMG" | _filter_qemu_io | |
90 | backing_io $((11 * 1024)) 2 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
bce283cc KW |
91 | |
92 | echo | |
93 | echo "== COW in two-cluster allocations ==" | |
fef9c191 JC |
94 | $QEMU_IO -c "write -P 0x77 16k 6k" "$TEST_IMG" | _filter_qemu_io |
95 | $QEMU_IO -c "write -P 0x88 26k 6k" "$TEST_IMG" | _filter_qemu_io | |
96 | $QEMU_IO -c "write -P 0x99 33k 5k" "$TEST_IMG" | _filter_qemu_io | |
bce283cc | 97 | |
fef9c191 JC |
98 | $QEMU_IO -c "read -P 0x77 16k 6k" "$TEST_IMG" | _filter_qemu_io |
99 | backing_io $((22 * 1024)) 8 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
100 | $QEMU_IO -c "read -P 0x88 26k 6k" "$TEST_IMG" | _filter_qemu_io | |
101 | backing_io $((32 * 1024)) 2 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
102 | $QEMU_IO -c "read -P 0x99 33k 5k" "$TEST_IMG" | _filter_qemu_io | |
103 | backing_io $((38 * 1024)) 4 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
bce283cc KW |
104 | |
105 | echo | |
106 | echo "== COW in multi-cluster allocations ==" | |
fef9c191 JC |
107 | $QEMU_IO -c "write -P 0x77 48k 15k" "$TEST_IMG" | _filter_qemu_io |
108 | $QEMU_IO -c "write -P 0x88 66k 14k" "$TEST_IMG" | _filter_qemu_io | |
109 | $QEMU_IO -c "write -P 0x99 83k 15k" "$TEST_IMG" | _filter_qemu_io | |
110 | ||
111 | $QEMU_IO -c "read -P 0x77 48k 15k" "$TEST_IMG" | _filter_qemu_io | |
112 | backing_io $((63 * 1024)) 6 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
113 | $QEMU_IO -c "read -P 0x88 66k 14k" "$TEST_IMG" | _filter_qemu_io | |
114 | backing_io $((80 * 1024)) 6 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
115 | $QEMU_IO -c "read -P 0x99 83k 15k" "$TEST_IMG" | _filter_qemu_io | |
116 | backing_io $((98 * 1024)) 4 read | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | |
bce283cc KW |
117 | |
118 | _check_test_img | |
119 | ||
120 | # success, all done | |
121 | echo "*** done" | |
122 | rm -f $seq.full | |
123 | status=0 |