3 # qcow2 pattern test, complex patterns including compression and snapshots
4 # Using patterns for 4k cluster size.
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/>.
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
37 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
44 # much of this could be generic for any format supporting snapshots
46 _supported_proto generic
49 TEST_OFFSETS="0 4294967296"
50 TEST_OPS="writev read write readv"
55 echo "Testing empty image:"
56 for offset in $TEST_OFFSETS; do
57 echo test2: With offset $offset
58 io_test2 $offset $CLUSTER_SIZE 256
63 for i in `seq 1 3`; do
64 $QEMU_IMG snapshot -c test$i $TEST_IMG
65 for offset in $TEST_OFFSETS; do
66 echo With snapshot test$i, offset $offset
67 for op in $TEST_OPS; do
68 io_test $op $offset $CLUSTER_SIZE 8