![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to 034 CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / tests / qemu-iotests|
Return to 034 CVS log | Up to [Qemu by Fabrice Bellard] / qemu / tests / qemu-iotests |
1.1 root 1: #!/bin/bash
2: #
3: # Test bdrv_write_zeroes with 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: [email protected]
23:
24: seq=`basename $0`
25: echo "QA output created by $seq"
26:
27: here=`pwd`
28: tmp=/tmp/$$
29: status=1 # failure is the default!
30:
31: _cleanup()
32: {
33: _cleanup_test_img
34: }
35: trap "_cleanup; exit \$status" 0 1 2 3 15
36:
37: # get standard environment, filters and checks
38: . ./common.rc
39: . ./common.filter
40:
41: _supported_fmt qcow qcow2 vmdk qed
42: _supported_proto generic
43: _supported_os Linux
44:
45: CLUSTER_SIZE=4k
46: size=128M
47:
48: echo
49: echo "== creating backing file for COW tests =="
50:
51: _make_test_img $size
52: $QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io
53: mv $TEST_IMG $TEST_IMG.base
54:
55: _make_test_img -b $TEST_IMG.base 6G
56:
57: echo
58: echo "== zero write with backing file =="
59: $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
60: $QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io
61:
62: _check_test_img
63:
64: echo
65: echo "== verifying patterns (3) =="
66: $QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io
67: $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
68: $QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io
69: $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
70: $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
71:
72: echo
73: echo "== overwriting zero cluster =="
74: $QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io
75: $QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
76: $QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
77: $QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io
78: $QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
79:
80: _check_test_img
81:
82: echo
83: echo "== verifying patterns (4) =="
84: $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
85: $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
86: $QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io
87: $QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io
88: $QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io
89: $QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io
90: $QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io
91: $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
92: $QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io
93:
94: echo
95: echo "== re-zeroing overwritten area =="
96: $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io
97:
98: _check_test_img
99:
100: echo
101: echo "== verifying patterns (5) =="
102: $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io
103: $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io
104: $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io
105: $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io
106: $QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io
107: $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io
108: $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io
109:
110: # success, all done
111: echo "*** done"
112: rm -f $seq.full
113: status=0
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.