Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # |
Eric Blake | 74021bc | 2016-06-01 15:10:04 -0600 | [diff] [blame] | 3 | # Test bdrv_pwrite_zeroes with backing files (see also 154) |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 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 | owner=kwolf@redhat.com |
| 23 | |
| 24 | seq=`basename $0` |
| 25 | echo "QA output created by $seq" |
| 26 | |
| 27 | here=`pwd` |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | _cleanup_test_img |
| 33 | } |
| 34 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 35 | |
| 36 | # get standard environment, filters and checks |
| 37 | . ./common.rc |
| 38 | . ./common.filter |
| 39 | |
| 40 | _supported_fmt qcow qcow2 vmdk qed |
Peter Lieven | 1f7bf7d | 2014-02-03 10:26:14 +0100 | [diff] [blame] | 41 | _supported_proto file |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 42 | _supported_os Linux |
Fam Zheng | d2329f2 | 2013-11-26 14:40:33 +0800 | [diff] [blame] | 43 | _unsupported_imgopts "subformat=monolithicFlat" \ |
| 44 | "subformat=twoGbMaxExtentFlat" \ |
| 45 | "subformat=twoGbMaxExtentSparse" |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 46 | |
| 47 | CLUSTER_SIZE=4k |
| 48 | size=128M |
| 49 | |
| 50 | echo |
| 51 | echo "== creating backing file for COW tests ==" |
| 52 | |
Fam Zheng | 5581018 | 2015-12-22 10:49:16 +0800 | [diff] [blame] | 53 | TEST_IMG_SAVE="$TEST_IMG" |
| 54 | TEST_IMG="$TEST_IMG.base" |
| 55 | |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 56 | _make_test_img $size |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 57 | $QEMU_IO -c "write -P 0x55 0 1M" "$TEST_IMG" | _filter_qemu_io |
Fam Zheng | 5581018 | 2015-12-22 10:49:16 +0800 | [diff] [blame] | 58 | |
| 59 | TEST_IMG="$TEST_IMG_SAVE" |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 60 | |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 61 | _make_test_img -b "$TEST_IMG.base" 6G |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 62 | |
| 63 | echo |
| 64 | echo "== zero write with backing file ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 65 | $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io |
| 66 | $QEMU_IO -c "write -z 513k 13k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 67 | |
| 68 | _check_test_img |
| 69 | |
| 70 | echo |
| 71 | echo "== verifying patterns (3) ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 72 | $QEMU_IO -c "read -P 0x55 0 64k" "$TEST_IMG" | _filter_qemu_io |
| 73 | $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io |
| 74 | $QEMU_IO -c "read -P 0x55 256k 257k" "$TEST_IMG" | _filter_qemu_io |
| 75 | $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io |
| 76 | $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 77 | |
| 78 | echo |
| 79 | echo "== overwriting zero cluster ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 80 | $QEMU_IO -c "write -P 0xa 60k 8k" "$TEST_IMG" | _filter_qemu_io |
| 81 | $QEMU_IO -c "write -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io |
| 82 | $QEMU_IO -c "write -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io |
| 83 | $QEMU_IO -c "write -P 0xd 252k 8k" "$TEST_IMG" | _filter_qemu_io |
| 84 | $QEMU_IO -c "write -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 85 | |
| 86 | _check_test_img |
| 87 | |
| 88 | echo |
| 89 | echo "== verifying patterns (4) ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 90 | $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io |
| 91 | $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io |
| 92 | $QEMU_IO -c "read -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io |
| 93 | $QEMU_IO -c "read -P 0x0 72k 4k" "$TEST_IMG" | _filter_qemu_io |
| 94 | $QEMU_IO -c "read -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io |
| 95 | $QEMU_IO -c "read -P 0x0 80k 168k" "$TEST_IMG" | _filter_qemu_io |
| 96 | $QEMU_IO -c "read -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io |
| 97 | $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io |
| 98 | $QEMU_IO -c "read -P 0x55 260k 64k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 99 | |
| 100 | echo |
| 101 | echo "== re-zeroing overwritten area ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 102 | $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 103 | |
| 104 | _check_test_img |
| 105 | |
| 106 | echo |
| 107 | echo "== verifying patterns (5) ==" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 108 | $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io |
| 109 | $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io |
| 110 | $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io |
| 111 | $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io |
| 112 | $QEMU_IO -c "read -P 0x55 260k 253k" "$TEST_IMG" | _filter_qemu_io |
| 113 | $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io |
| 114 | $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io |
Kevin Wolf | ab3a32a | 2012-04-12 15:28:12 +0200 | [diff] [blame] | 115 | |
| 116 | # success, all done |
| 117 | echo "*** done" |
| 118 | rm -f $seq.full |
| 119 | status=0 |