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