1#!/bin/bash 2# 3# qcow2 pattern test with various cluster sizes 4# 5# Copyright (C) 2009 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 22owner=kwolf@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40. ./common.pattern 41 42# much of this could be generic for any format supporting compression. 43_supported_fmt qcow qcow2 44_supported_proto generic 45_supported_os Linux 46 47TEST_OFFSETS="0 4294967296" 48TEST_OPS="writev read write readv" 49 50# Can't use 512 byte clusters, the tests use cluster halves 51CLUSTER_SIZES="1024 4096 16384 65536" 52 53for CLUSTER_SIZE in $CLUSTER_SIZES; do 54 55 echo "Creating new image; cluster size: $CLUSTER_SIZE" 56 echo 57 58 _make_test_img 8G 59 60 echo "Testing empty image" 61 echo 62 63 for offset in $TEST_OFFSETS; do 64 echo "At offset $offset:" 65 for op in $TEST_OPS; do 66 io_test $op $offset $CLUSTER_SIZE 3 67 done 68 _check_test_img 69 done 70 71 echo "Compressing image" 72 echo 73 74 mv $TEST_IMG $TEST_IMG.orig 75 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c $TEST_IMG.orig $TEST_IMG 76 77 echo "Testing compressed image" 78 echo 79 80 for offset in $TEST_OFFSETS; do 81 echo "With offset $offset:" 82 for op in read readv; do 83 io_test $op $offset $CLUSTER_SIZE 3 84 done 85 _check_test_img 86 done 87 88 echo "Testing compressed image with odd offsets" 89 echo 90 for offset in $TEST_OFFSETS; do 91 # Some odd offset (1 sector), so tests will write to areas occupied partly 92 # by old (compressed) data and empty clusters 93 offset=$((offset + 512)) 94 echo "With offset $offset:" 95 for op in $TEST_OPS; do 96 io_test $op $offset $CLUSTER_SIZE 3 97 done 98 _check_test_img 99 done 100 101 echo "Creating another new image" 102 echo 103 104 _make_test_img 8G 105 106 echo "More complex patterns" 107 echo 108 109 for offset in $TEST_OFFSETS; do 110 echo test2: With offset $offset 111 io_test2 $offset $CLUSTER_SIZE 4 112 _check_test_img 113 done 114 115done 116 117# success, all done 118echo "*** done" 119rm -f $seq.full 120status=0 121