projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| ab3a32ad KW |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Test bdrv_write_zeroes with backing files | |
| 4 | # | |
| 5 | # Copyright (C) 2012 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 | [email protected] | |
| 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 | _supported_fmt qcow qcow2 vmdk qed | |
| 42 | _supported_proto generic | |
| 43 | _supported_os Linux | |
| 44 | ||
| 45 | CLUSTER_SIZE=4k | |
| 46 | size=128M | |
| 47 | ||
| 48 | echo | |
| 49 | echo "== creating backing file for COW tests ==" | |
| 50 | ||
| 51 | _make_test_img $size | |
| 52 | $QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io | |
| 53 | mv $TEST_IMG $TEST_IMG.base | |
| 54 | ||
| 55 | _make_test_img -b $TEST_IMG.base 6G | |
| 56 | ||
| 57 | echo | |
| 58 | echo "== zero write with backing file ==" | |
| 59 | $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io | |
| 60 | $QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io | |
| 61 | ||
| 62 | _check_test_img | |
| 63 | ||
| 64 | echo | |
| 65 | echo "== verifying patterns (3) ==" | |
| 66 | $QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io | |
| 67 | $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io | |
| 68 | $QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io | |
| 69 | $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io | |
| 70 | $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io | |
| 71 | ||
| 72 | echo | |
| 73 | echo "== overwriting zero cluster ==" | |
| 74 | $QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io | |
| 75 | $QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io | |
| 76 | $QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io | |
| 77 | $QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io | |
| 78 | $QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io | |
| 79 | ||
| 80 | _check_test_img | |
| 81 | ||
| 82 | echo | |
| 83 | echo "== verifying patterns (4) ==" | |
| 84 | $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io | |
| 85 | $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io | |
| 86 | $QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io | |
| 87 | $QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io | |
| 88 | $QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io | |
| 89 | $QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io | |
| 90 | $QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io | |
| 91 | $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io | |
| 92 | $QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io | |
| 93 | ||
| 94 | echo | |
| 95 | echo "== re-zeroing overwritten area ==" | |
| 96 | $QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io | |
| 97 | ||
| 98 | _check_test_img | |
| 99 | ||
| 100 | echo | |
| 101 | echo "== verifying patterns (5) ==" | |
| 102 | $QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io | |
| 103 | $QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io | |
| 104 | $QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io | |
| 105 | $QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io | |
| 106 | $QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io | |
| 107 | $QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io | |
| 108 | $QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io | |
| 109 | ||
| 110 | # success, all done | |
| 111 | echo "*** done" | |
| 112 | rm -f $seq.full | |
| 113 | status=0 |