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1 #!/usr/bin/env bash 2 # group: rw quick 3 # 4 # parallels format validation tests (created by QEMU) 5 # 6 # Copyright (C) 2014 Denis V. Lunev <den@openvz.org> 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=den@openvz.org 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 } 34 trap "_cleanup; exit \$status" 0 1 2 3 15 35 36 # get standard environment, filters and checks 37 . ./common.rc 38 . ./common.filter 39 40 _supported_fmt parallels 41 _supported_proto file 42 _supported_os Linux 43 44 inuse_offset=$((0x2c)) 45 46 size=$((64 * 1024 * 1024)) 47 CLUSTER_SIZE=64k 48 IMGFMT=parallels 49 _make_test_img $size 50 51 echo == read empty image == 52 { $QEMU_IO -c "read -P 0 32k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 53 echo == write more than 1 block in a row == 54 { $QEMU_IO -c "write -P 0x11 32k 128k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 55 echo == read less than block == 56 { $QEMU_IO -c "read -P 0x11 32k 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 57 echo == read exactly 1 block == 58 { $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 59 echo == read more than 1 block == 60 { $QEMU_IO -c "read -P 0x11 32k 128k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 61 echo == check that there is no trash after written == 62 { $QEMU_IO -c "read -P 0 160k 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 63 echo == check that there is no trash before written == 64 { $QEMU_IO -c "read -P 0 0 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 65 66 echo "== Corrupt image ==" 67 poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74" 68 { $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 69 _check_test_img 70 _check_test_img -r all 71 { $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 72 73 echo "== allocate with backing ==" 74 # Verify that allocating clusters works fine even when there is a backing image. 75 # Regression test for a bug where we would pass a buffer read from the backing 76 # node as a QEMUIOVector object, which could cause anything from I/O errors over 77 # assertion failures to invalid reads from memory. 78 79 # Clear image 80 _make_test_img $size 81 # Create base image 82 TEST_IMG="$TEST_IMG.base" _make_test_img $size 83 84 # Write some data to the base image (which would trigger an assertion failure if 85 # interpreted as a QEMUIOVector) 86 $QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG.base" | _filter_qemu_io 87 88 # Parallels does not seem to support storing a backing filename in the image 89 # itself, so we need to build our backing chain on the command line 90 imgopts="driver=$IMGFMT,file.driver=$IMGPROTO,file.filename=$TEST_IMG" 91 imgopts+=",backing.driver=$IMGFMT" 92 imgopts+=",backing.file.driver=$IMGPROTO,backing.file.filename=$TEST_IMG.base" 93 94 # Cause allocation in the top image 95 QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ 96 $QEMU_IO --image-opts "$imgopts" -c 'write -P 1 0 64' | _filter_qemu_io 97 98 # Verify 99 QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ 100 $QEMU_IO --image-opts "$imgopts" \ 101 -c 'read -P 1 0 64' \ 102 -c "read -P 42 64 $((64 * 1024 - 64))" \ 103 -c "read -P 0 64k $((size - 64 * 1024))" \ 104 | _filter_qemu_io 105 106 # success, all done 107 echo "*** done" 108 rm -f $seq.full 109 status=0