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` 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 file 45_supported_os Linux 46 47TEST_OFFSETS="0 4294967296" 48TEST_OPS="writev read write readv" 49CLUSTER_SIZE=4096 50 51_make_test_img 6G 52 53echo "Testing empty image" 54echo 55 56for offset in $TEST_OFFSETS; do 57 echo "At offset $offset:" 58 for op in $TEST_OPS; do 59 io_test $op $offset $CLUSTER_SIZE 8 60 done 61 _check_test_img 62done 63 64 65echo "Compressing image" 66echo 67 68mv "$TEST_IMG" "$TEST_IMG.orig" 69$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG" 70 71echo "Testing compressed image" 72echo 73 74for offset in $TEST_OFFSETS; do 75 echo "With offset $offset:" 76 for op in read readv; do 77 io_test $op $offset $CLUSTER_SIZE 8 78 done 79 _check_test_img 80done 81 82echo "Testing compressed image with odd offsets" 83echo 84for offset in $TEST_OFFSETS; do 85 # Some odd offset (1 sector), so tests will write to areas occupied partly 86 # by old (compressed) data and empty clusters 87 offset=$((offset + 512)) 88 echo "With offset $offset:" 89 for op in $TEST_OPS; do 90 io_test $op $offset $CLUSTER_SIZE 8 91 done 92 _check_test_img 93done 94 95# success, all done 96echo "*** done" 97rm -f $seq.full 98status=0 99