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1 #!/usr/bin/env bash 2 # group: rw quick 3 # 4 # Test corner cases with unusual block geometries 5 # 6 # Copyright (C) 2016-2018 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=eblake@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 } 34 trap "_cleanup; exit \$status" 0 1 2 3 15 35 36 # get standard environment, filters and checks 37 . ./common.rc 38 . ./common.filter 39 40 _supported_fmt qcow2 41 _supported_proto file fuse 42 # This test assumes that discard leaves zero clusters; see test 177 for 43 # other tests that also work in older images 44 _unsupported_imgopts 'compat=0.10' 45 46 CLUSTER_SIZE=1M 47 size=128M 48 options=driver=blkdebug,image.driver=qcow2 49 nested_opts=image.file.driver=file,image.file.filename=$TEST_IMG 50 51 echo 52 echo "== setting up files ==" 53 54 TEST_IMG="$TEST_IMG.base" _make_test_img $size 55 $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io 56 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 57 $QEMU_IO -c "write -P 22 0 110M" "$TEST_IMG" | _filter_qemu_io 58 59 # Limited to 64k max-transfer 60 echo 61 echo "== constrained alignment and max-transfer ==" 62 limits=align=4k,max-transfer=64k 63 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 64 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io 65 66 echo 67 echo "== write zero with constrained max-transfer ==" 68 limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE 69 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 70 -c "write -z 8003584 2093056" | _filter_qemu_io 71 72 # non-power-of-2 write-zero/discard alignments 73 echo 74 echo "== non-power-of-2 write zeroes limits ==" 75 76 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M 77 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 78 -c "write -z 32M 32M" | _filter_qemu_io 79 80 echo 81 echo "== non-power-of-2 discard limits ==" 82 83 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M 84 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 85 -c "discard 80000001 30M" | _filter_qemu_io 86 87 echo 88 echo "== block status smaller than alignment ==" 89 limits=align=4k 90 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \ 91 -c "alloc 1 1" -c "alloc 0x6dffff0 1000" -c "alloc 127m 5P" \ 92 -c map | _filter_qemu_io 93 94 echo 95 echo "== verify image content ==" 96 97 verify_io() 98 { 99 echo read -P 22 0 1000 100 echo read -P 33 1000 128k 101 echo read -P 22 132072 7871512 102 echo read -P 0 8003584 2093056 103 echo read -P 22 10096640 23457792 104 echo read -P 0 32M 32M 105 echo read -P 22 64M 13M 106 echo read -P 0 77M 29M 107 echo read -P 22 106M 4M 108 echo read -P 11 110M 18M 109 } 110 111 verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io 112 $QEMU_IMG map --image-opts "$options,$nested_opts,align=4k" \ 113 | _filter_qemu_img_map 114 115 _check_test_img 116 117 # success, all done 118 echo "*** done" 119 status=0