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1.1 root 1: #!/bin/bash
2: #
3: # Resizing images
4: #
5: # Copyright (C) 2010 IBM, Corp.
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: _supported_fmt raw qcow2 qed
43: _supported_proto file sheepdog rbd
44: _supported_os Linux
45:
46: echo "=== Creating image"
47: echo
48: small_size=$((128 * 1024 * 1024))
49: big_size=$((384 * 1024 * 1024))
50: _make_test_img $small_size
51:
52: echo
53: echo "=== Writing whole image"
54: io_pattern write 0 $small_size 0 1 0xc5
55: _check_test_img
56:
57: echo
58: echo "=== Resizing image"
59: $QEMU_IO $TEST_IMG <<EOF
60: length
61: truncate $big_size
62: length
63: EOF
64: _check_test_img
65:
66: echo
67: echo "=== Verifying image size after reopen"
68: $QEMU_IO -c "length" $TEST_IMG
69:
70: echo
71: echo "=== Verifying resized image"
72: io_pattern read 0 $small_size 0 1 0xc5
73: io_pattern read $small_size $(($big_size - $small_size)) 0 1 0
74:
75: # success, all done
76: echo "*** done"
77: rm -f $seq.full
78: status=0
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