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Up to [Qemu by Fabrice Bellard] / qemu / tests / qemu-iotests|
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1.1 root 1: #!/bin/bash
2: #
3: # qcow2 pattern test with various cluster sizes
4: #
5: # Copyright (C) 2009 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: . ./common.pattern
41:
42: # much of this could be generic for any format supporting compression.
43: _supported_fmt qcow qcow2
44: _supported_proto generic
45: _supported_os Linux
46:
47: TEST_OFFSETS="0 4294967296"
48: TEST_OPS="writev read write readv"
49:
50: # Can't use 512 byte clusters, the tests use cluster halves
51: CLUSTER_SIZES="1024 4096 16384 65536"
52:
53: for CLUSTER_SIZE in $CLUSTER_SIZES; do
54:
55: echo "Creating new image; cluster size: $CLUSTER_SIZE"
56: echo
57:
58: _make_test_img 8G
59:
60: echo "Testing empty image"
61: echo
62:
63: for offset in $TEST_OFFSETS; do
64: echo "At offset $offset:"
65: for op in $TEST_OPS; do
66: io_test $op $offset $CLUSTER_SIZE 3
67: done
68: _check_test_img
69: done
70:
71: echo "Compressing image"
72: echo
73:
74: mv $TEST_IMG $TEST_IMG.orig
75: $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c $TEST_IMG.orig $TEST_IMG
76:
77: echo "Testing compressed image"
78: echo
79:
80: for offset in $TEST_OFFSETS; do
81: echo "With offset $offset:"
82: for op in read readv; do
83: io_test $op $offset $CLUSTER_SIZE 3
84: done
85: _check_test_img
86: done
87:
88: echo "Testing compressed image with odd offsets"
89: echo
90: for offset in $TEST_OFFSETS; do
91: # Some odd offset (1 sector), so tests will write to areas occupied partly
92: # by old (compressed) data and empty clusters
93: offset=$((offset + 512))
94: echo "With offset $offset:"
95: for op in $TEST_OPS; do
96: io_test $op $offset $CLUSTER_SIZE 3
97: done
98: _check_test_img
99: done
100:
101: echo "Creating another new image"
102: echo
103:
104: _make_test_img 8G
105:
106: echo "More complex patterns"
107: echo
108:
109: for offset in $TEST_OFFSETS; do
110: echo test2: With offset $offset
111: io_test2 $offset $CLUSTER_SIZE 4
112: _check_test_img
113: done
114:
115: done
116:
117: # success, all done
118: echo "*** done"
119: rm -f $seq.full
120: status=0
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