023 (2890B)
1 #!/usr/bin/env bash 2 # group: rw 3 # 4 # qcow2 pattern test with various cluster sizes 5 # 6 # Copyright (C) 2009 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 . ./common.pattern 40 41 # much of this could be generic for any format supporting compression. 42 _supported_fmt qcow qcow2 43 _supported_proto file 44 _supported_os Linux 45 46 TEST_OFFSETS="0 4294967296" 47 TEST_OPS="writev read write readv" 48 49 # Can't use 512 byte clusters, the tests use cluster halves 50 CLUSTER_SIZES="1024 4096 16384 65536" 51 52 for CLUSTER_SIZE in $CLUSTER_SIZES; do 53 54 echo "Creating new image; cluster size: $CLUSTER_SIZE" 55 echo 56 57 _make_test_img 8G 58 59 echo "Testing empty image" 60 echo 61 62 for offset in $TEST_OFFSETS; do 63 echo "At offset $offset:" 64 for op in $TEST_OPS; do 65 io_test $op $offset $CLUSTER_SIZE 3 66 done 67 _check_test_img 68 done 69 70 echo "Compressing image" 71 echo 72 73 mv "$TEST_IMG" "$TEST_IMG.orig" 74 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" 75 76 echo "Testing compressed image" 77 echo 78 79 for offset in $TEST_OFFSETS; do 80 echo "With offset $offset:" 81 for op in read readv; do 82 io_test $op $offset $CLUSTER_SIZE 3 83 done 84 _check_test_img 85 done 86 87 echo "Testing compressed image with odd offsets" 88 echo 89 for offset in $TEST_OFFSETS; do 90 # Some odd offset (1 sector), so tests will write to areas occupied partly 91 # by old (compressed) data and empty clusters 92 offset=$((offset + 512)) 93 echo "With offset $offset:" 94 for op in $TEST_OPS; do 95 io_test $op $offset $CLUSTER_SIZE 3 96 done 97 _check_test_img 98 done 99 100 echo "Creating another new image" 101 echo 102 103 _make_test_img 8G 104 105 echo "More complex patterns" 106 echo 107 108 for offset in $TEST_OFFSETS; do 109 echo test2: With offset $offset 110 io_test2 $offset $CLUSTER_SIZE 4 111 _check_test_img 112 done 113 114 done 115 116 # success, all done 117 echo "*** done" 118 rm -f $seq.full 119 status=0