| #!/usr/bin/env bash |
| # |
| # Test for discarding compressed clusters on qcow2 images |
| # |
| # Copyright (C) 2014 Red Hat, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| # creator |
| owner=mreitz@redhat.com |
| |
| seq="$(basename $0)" |
| echo "QA output created by $seq" |
| |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _cleanup_test_img |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| _supported_fmt qcow2 |
| _supported_proto file nfs fuse |
| # External data files do not support compressed clusters |
| _unsupported_imgopts data_file |
| |
| IMG_SIZE=128K |
| |
| _make_test_img $IMG_SIZE |
| |
| $QEMU_IO -c 'write -c -P 42 0 64k' \ |
| -c 'write -c -P 23 64k 64k' \ |
| -c 'discard 64k 64k' \ |
| "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io |
| |
| _check_test_img |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |
