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 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32} 33trap "_cleanup; exit \$status" 0 1 2 3 15 34 35# get standard environment, filters and checks 36. ./common.rc 37. ./common.filter 38. ./common.pattern 39 40# much of this could be generic for any format supporting compression. 41_supported_fmt qcow qcow2 42_supported_proto file 43_supported_os Linux 44 45TEST_OFFSETS="0 4294967296" 46TEST_OPS="writev read write readv" 47CLUSTER_SIZE=4096 48 49_make_test_img 6G 50 51echo "Testing empty image" 52echo 53 54for offset in $TEST_OFFSETS; do 55 echo "At offset $offset:" 56 for op in $TEST_OPS; do 57 io_test $op $offset $CLUSTER_SIZE 8 58 done 59 _check_test_img 60done 61 62 63echo "Compressing image" 64echo 65 66mv "$TEST_IMG" "$TEST_IMG.orig" 67$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" 68 69echo "Testing compressed image" 70echo 71 72for offset in $TEST_OFFSETS; do 73 echo "With offset $offset:" 74 for op in read readv; do 75 io_test $op $offset $CLUSTER_SIZE 8 76 done 77 _check_test_img 78done 79 80echo "Testing compressed image with odd offsets" 81echo 82for offset in $TEST_OFFSETS; do 83 # Some odd offset (1 sector), so tests will write to areas occupied partly 84 # by old (compressed) data and empty clusters 85 offset=$((offset + 512)) 86 echo "With offset $offset:" 87 for op in $TEST_OPS; do 88 io_test $op $offset $CLUSTER_SIZE 8 89 done 90 _check_test_img 91done 92 93# success, all done 94echo "*** done" 95rm -f $seq.full 96status=0 97