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1.1 root 1: #!/bin/bash
2: #
3: # qcow2 pattern test, empty and compressed image - 4k cluster patterns
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: CLUSTER_SIZE=4096
50:
51: _make_test_img 6G
52:
53: echo "Testing empty image"
54: echo
55:
56: for offset in $TEST_OFFSETS; do
57: echo "At offset $offset:"
58: for op in $TEST_OPS; do
59: io_test $op $offset $CLUSTER_SIZE 8
60: done
61: _check_test_img
62: done
63:
64:
65: echo "Compressing image"
66: echo
67:
68: mv $TEST_IMG $TEST_IMG.orig
69: $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c $TEST_IMG.orig $TEST_IMG
70:
71: echo "Testing compressed image"
72: echo
73:
74: for offset in $TEST_OFFSETS; do
75: echo "With offset $offset:"
76: for op in read readv; do
77: io_test $op $offset $CLUSTER_SIZE 8
78: done
79: _check_test_img
80: done
81:
82: echo "Testing compressed image with odd offsets"
83: echo
84: for offset in $TEST_OFFSETS; do
85: # Some odd offset (1 sector), so tests will write to areas occupied partly
86: # by old (compressed) data and empty clusters
87: offset=$((offset + 512))
88: echo "With offset $offset:"
89: for op in $TEST_OPS; do
90: io_test $op $offset $CLUSTER_SIZE 8
91: done
92: _check_test_img
93: done
94:
95: # success, all done
96: echo "*** done"
97: rm -f $seq.full
98: status=0
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