6 # Copyright (C) 2010 IBM, Corp.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 owner=stefanha@redhat.com
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
41 _supported_fmt raw qcow2 qed luks
42 _supported_proto file rbd nfs fuse
44 echo "=== Creating image"
46 small_size=$((128 * 1024 * 1024))
47 big_size=$((384 * 1024 * 1024))
48 _make_test_img $small_size
51 echo "=== Writing whole image"
52 io_pattern write 0 $small_size 0 1 0xc5
56 echo "=== Resizing image"
57 $QEMU_IO "$TEST_IMG" <<EOF | _filter_qemu_io
64 # bdrv_truncate() doesn't zero the new space, so we need to do that explicitly.
65 # We still want to test automatic zeroing for other formats even though
66 # bdrv_truncate() doesn't guarantee it.
67 if [ "$IMGFMT" == "luks" ]; then
68 $QEMU_IO -c "write -z $small_size $((big_size - small_size))" "$TEST_IMG" > /dev/null
72 echo "=== Verifying image size after reopen"
73 $QEMU_IO -c "length" "$TEST_IMG"
76 echo "=== Verifying resized image"
77 io_pattern read 0 $small_size 0 1 0xc5
78 io_pattern read $small_size $(($big_size - $small_size)) 0 1 0