| 1 | #!/usr/bin/env bash |
| 2 | # group: rw auto quick |
| 3 | # |
| 4 | # Test reverse-ordered qcow2 writes on a sub-cluster level |
| 5 | # |
| 6 | # Copyright (C) 2019 Red Hat, Inc. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | seq=$(basename $0) |
| 23 | echo "QA output created by $seq" |
| 24 | |
| 25 | status=1 # failure is the default! |
| 26 | |
| 27 | _cleanup() |
| 28 | { |
| 29 | _cleanup_test_img |
| 30 | } |
| 31 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 32 | |
| 33 | # get standard environment, filters and checks |
| 34 | . ./common.rc |
| 35 | . ./common.filter |
| 36 | |
| 37 | # qcow2-specific test |
| 38 | _supported_fmt qcow2 |
| 39 | _supported_proto file fuse |
| 40 | _supported_os Linux |
| 41 | |
| 42 | echo '--- Writing to the image ---' |
| 43 | |
| 44 | # Reduce cluster size so we get more and quicker I/O |
| 45 | _make_test_img -o 'cluster_size=4096' 1M |
| 46 | (for ((kb = 1024 - 4; kb >= 0; kb -= 4)); do \ |
| 47 | echo "aio_write -P 42 $((kb + 1))k 2k"; \ |
| 48 | done) \ |
| 49 | | $QEMU_IO "$TEST_IMG" > /dev/null |
| 50 | |
| 51 | echo '--- Verifying its content ---' |
| 52 | |
| 53 | (for ((kb = 0; kb < 1024; kb += 4)); do \ |
| 54 | echo "read -P 0 ${kb}k 1k"; \ |
| 55 | echo "read -P 42 $((kb + 1))k 2k"; \ |
| 56 | echo "read -P 0 $((kb + 3))k 1k"; \ |
| 57 | done) \ |
| 58 | | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | grep 'verification' |
| 59 | |
| 60 | # Status of qemu-io |
| 61 | if [ ${PIPESTATUS[1]} = 0 ]; then |
| 62 | echo 'Content verified.' |
| 63 | fi |
| 64 | |
| 65 | # success, all done |
| 66 | echo "*** done" |
| 67 | rm -f $seq.full |
| 68 | status=0 |