034 (3897B)
1 #!/usr/bin/env bash 2 # group: rw auto backing quick 3 # 4 # Test bdrv_pwrite_zeroes with backing files (see also 154) 5 # 6 # Copyright (C) 2012 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 # creator 23 owner=kwolf@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 } 34 trap "_cleanup; exit \$status" 0 1 2 3 15 35 36 # get standard environment, filters and checks 37 . ./common.rc 38 . ./common.filter 39 40 _supported_fmt qcow qcow2 vmdk qed 41 _supported_proto file fuse 42 _supported_os Linux 43 _unsupported_imgopts "subformat=monolithicFlat" \ 44 "subformat=twoGbMaxExtentFlat" \ 45 "subformat=twoGbMaxExtentSparse" \ 46 "subformat=streamOptimized" 47 48 CLUSTER_SIZE=4k 49 size=128M 50 51 echo 52 echo "== creating backing file for COW tests ==" 53 54 TEST_IMG_SAVE="$TEST_IMG" 55 TEST_IMG="$TEST_IMG.base" 56 57 _make_test_img $size 58 $QEMU_IO -c "write -P 0x55 0 1M" "$TEST_IMG" | _filter_qemu_io 59 60 TEST_IMG="$TEST_IMG_SAVE" 61 62 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 6G 63 64 echo 65 echo "== zero write with backing file ==" 66 $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io 67 $QEMU_IO -c "write -z 513k 13k" "$TEST_IMG" | _filter_qemu_io 68 69 _check_test_img 70 71 echo 72 echo "== verifying patterns (3) ==" 73 $QEMU_IO -c "read -P 0x55 0 64k" "$TEST_IMG" | _filter_qemu_io 74 $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io 75 $QEMU_IO -c "read -P 0x55 256k 257k" "$TEST_IMG" | _filter_qemu_io 76 $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io 77 $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io 78 79 echo 80 echo "== overwriting zero cluster ==" 81 $QEMU_IO -c "write -P 0xa 60k 8k" "$TEST_IMG" | _filter_qemu_io 82 $QEMU_IO -c "write -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io 83 $QEMU_IO -c "write -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io 84 $QEMU_IO -c "write -P 0xd 252k 8k" "$TEST_IMG" | _filter_qemu_io 85 $QEMU_IO -c "write -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io 86 87 _check_test_img 88 89 echo 90 echo "== verifying patterns (4) ==" 91 $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io 92 $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io 93 $QEMU_IO -c "read -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io 94 $QEMU_IO -c "read -P 0x0 72k 4k" "$TEST_IMG" | _filter_qemu_io 95 $QEMU_IO -c "read -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io 96 $QEMU_IO -c "read -P 0x0 80k 168k" "$TEST_IMG" | _filter_qemu_io 97 $QEMU_IO -c "read -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io 98 $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io 99 $QEMU_IO -c "read -P 0x55 260k 64k" "$TEST_IMG" | _filter_qemu_io 100 101 echo 102 echo "== re-zeroing overwritten area ==" 103 $QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io 104 105 _check_test_img 106 107 echo 108 echo "== verifying patterns (5) ==" 109 $QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io 110 $QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io 111 $QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io 112 $QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io 113 $QEMU_IO -c "read -P 0x55 260k 253k" "$TEST_IMG" | _filter_qemu_io 114 $QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io 115 $QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io 116 117 # success, all done 118 echo "*** done" 119 rm -f $seq.full 120 status=0