consider more cases in parsing qemu-io output
[qemu-iotests/stefanha.git] / 019
blob711255eaaee89c4dabb363d62901b8130422e7ae
1 #!/bin/bash
3 # When using a backing file for the output image in qemu-img convert,
4 # the backing file clusters must not copied. The data must still be
5 # read correctly.
7 # Copyright (C) 2009 Red Hat, Inc.
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 # creator
24 owner=kwolf@redhat.com
26 seq=`basename $0`
27 echo "QA output created by $seq"
29 here=`pwd`
30 tmp=/tmp/$$
31 status=1 # failure is the default!
33 _cleanup()
35 _cleanup_test_img
36 rm -f $TEST_IMG.base
37 rm -f $TEST_IMG.orig
39 trap "_cleanup; exit \$status" 0 1 2 3 15
41 # get standard environment, filters and checks
42 . ./common.rc
43 . ./common.filter
44 . ./common.pattern
46 # Any format supporting backing files
47 _supported_fmt qcow qcow2 vmdk
48 _supported_os Linux
50 TEST_OFFSETS="0 4294967296"
51 CLUSTER_SIZE=65536
53 _make_test_img 6G
55 echo "Filling base image"
56 echo
58 for offset in $TEST_OFFSETS; do
59 # Some clusters with alternating backing file/image file reads
60 io writev $(( offset )) 512 1024 64
62 # Complete backing clusters
63 io writev $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1
64 done
65 _check_test_img
67 echo "Creating test image with backing file"
68 echo
70 mv $TEST_IMG $TEST_IMG.base
71 _make_test_img -b $TEST_IMG.base 6G
73 echo "Filling test image"
74 echo
76 for offset in $TEST_OFFSETS; do
77 # Some clusters with alternating backing file/image file reads
78 io writev $(( offset + 512 )) 512 1024 64
80 # Complete test image clusters
81 io writev $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1
82 done
83 _check_test_img
85 mv $TEST_IMG $TEST_IMG.orig
86 $QEMU_IMG convert -O $IMGFMT -B $TEST_IMG.base $TEST_IMG.orig $TEST_IMG
88 echo "Checking if backing clusters are allocated when they shouldn't"
89 echo
90 for offset in $TEST_OFFSETS; do
91 # Complete backing clusters
92 is_allocated $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1
93 done
95 echo "Reading"
96 echo
98 for offset in $TEST_OFFSETS; do
99 # Some clusters with alternating backing file/image file reads
100 io readv $(( offset )) 512 1024 64
101 io readv $(( offset + 512 )) 512 1024 64
103 # Complete test image clusters
104 io readv $(( offset + 1024 * 1024)) $CLUSTER_SIZE $CLUSTER_SIZE 1
105 io readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE)) $CLUSTER_SIZE $CLUSTER_SIZE 1
107 # Empty sectors
108 io_zero readv $(( offset + 1024 * 1024 + $CLUSTER_SIZE * 4 )) $CLUSTER_SIZE $CLUSTER_SIZE 1
109 done
110 _check_test_img
112 # success, all done
113 echo "*** done"
114 rm -f $seq.full
115 status=0