1#!/bin/bash 2# 3# qcow2 pattern test, empty and compressed image - 4k cluster patterns 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` 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_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 46TEST_OFFSETS="0 4294967296" 47TEST_OPS="writev read write readv" 48CLUSTER_SIZE=4096 49 50_make_test_img 6G 51 52echo "Testing empty image" 53echo 54 55for offset in $TEST_OFFSETS; do 56 echo "At offset $offset:" 57 for op in $TEST_OPS; do 58 io_test $op $offset $CLUSTER_SIZE 8 59 done 60 _check_test_img 61done 62 63 64echo "Compressing image" 65echo 66 67mv "$TEST_IMG" "$TEST_IMG.orig" 68$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" 69 70echo "Testing compressed image" 71echo 72 73for offset in $TEST_OFFSETS; do 74 echo "With offset $offset:" 75 for op in read readv; do 76 io_test $op $offset $CLUSTER_SIZE 8 77 done 78 _check_test_img 79done 80 81echo "Testing compressed image with odd offsets" 82echo 83for offset in $TEST_OFFSETS; do 84 # Some odd offset (1 sector), so tests will write to areas occupied partly 85 # by old (compressed) data and empty clusters 86 offset=$((offset + 512)) 87 echo "With offset $offset:" 88 for op in $TEST_OPS; do 89 io_test $op $offset $CLUSTER_SIZE 8 90 done 91 _check_test_img 92done 93 94# success, all done 95echo "*** done" 96rm -f $seq.full 97status=0 98