1#!/bin/bash 2# 3# Test for discarding compressed clusters on qcow2 images 4# 5# Copyright (C) 2014 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=mreitz@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 41_supported_fmt qcow2 42_supported_proto file 43_supported_os Linux 44 45IMG_SIZE=128K 46 47_make_test_img $IMG_SIZE 48 49$QEMU_IO -c 'write -c -P 42 0 64k' \ 50 -c 'write -c -P 23 64k 64k' \ 51 -c 'discard 64k 64k' \ 52 "$TEST_IMG" | _filter_qemu_io 53 54$QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io 55 56_check_test_img 57 58# success, all done 59echo "*** done" 60rm -f $seq.full 61status=0 62