projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 975a93c0 HR |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Test case for discarding preallocated zero clusters in qcow2 | |
| 4 | # | |
| 5 | # Copyright (C) 2013 Red Hat, Inc. | |
| 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 | owner=mreitz@redhat.com | |
| 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 | ||
| 41 | # This tests qocw2-specific low-level functionality | |
| 42 | _supported_fmt qcow2 | |
| 43 | _supported_proto generic | |
| 44 | _supported_os Linux | |
| 45 | ||
| 46 | IMGOPTS="compat=1.1" | |
| 47 | IMG_SIZE=64M | |
| 48 | ||
| 49 | echo | |
| 50 | echo "=== Testing snapshotting an image with zero clusters ===" | |
| 51 | echo | |
| 52 | _make_test_img $IMG_SIZE | |
| 53 | # Write some normal clusters, zero them (creating preallocated zero clusters) | |
| 54 | # and discard those | |
| 55 | $QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "discard 0 256k" "$TEST_IMG" \ | |
| 56 | | _filter_qemu_io | |
| 57 | # Check the image (there shouldn't be any leaks) | |
| 58 | _check_test_img | |
| 59 | ||
| 60 | # success, all done | |
| 61 | echo "*** done" | |
| 62 | rm -f $seq.full | |
| 63 | status=0 |