4 # qcow2 pattern test, complex patterns including compression and snapshots
5 # Using patterns for 4k cluster size.
8 # Copyright (C) 2009 Red Hat, Inc.
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
28 echo "QA output created by $seq"
30 status=1 # failure is the default!
36 trap "_cleanup; exit \$status" 0 1 2 3 15
38 # get standard environment, filters and checks
43 # much of this could be generic for any format supporting snapshots
47 # Compression and snapshots do not work with external data files
48 _unsupported_imgopts data_file
50 TEST_OFFSETS="0 4294967296"
51 TEST_OPS="writev read write readv"
56 echo "Testing empty image:"
57 for offset in $TEST_OFFSETS; do
58 echo test2: With offset $offset
59 io_test2 $offset $CLUSTER_SIZE 256
64 for i in `seq 1 3`; do
65 $QEMU_IMG snapshot -c test$i "$TEST_IMG"
66 for offset in $TEST_OFFSETS; do
67 echo With snapshot test$i, offset $offset
68 for op in $TEST_OPS; do
69 io_test $op $offset $CLUSTER_SIZE 8