1#!/usr/bin/env 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 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 39_supported_fmt qcow2 40_supported_proto file nfs 41# External data files do not support compressed clusters 42_unsupported_imgopts data_file 43 44IMG_SIZE=128K 45 46_make_test_img $IMG_SIZE 47 48$QEMU_IO -c 'write -c -P 42 0 64k' \ 49 -c 'write -c -P 23 64k 64k' \ 50 -c 'discard 64k 64k' \ 51 "$TEST_IMG" | _filter_qemu_io 52 53$QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io 54 55_check_test_img 56 57# success, all done 58echo "*** done" 59rm -f $seq.full 60status=0 61