1#!/usr/bin/env bash 2# 3# Check for one possible case of qcow2 refcount corruption. 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 true 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 40# currently only qcow2 allows for consistency checks using qemu-img 41_supported_fmt qcow2 42_supported_proto generic 43# refcount_bits must be at least 4 so we can create ten internal snapshots 44# (1 bit supports none, 2 bits support two, 4 bits support 14); 45# snapshot are generally impossible with external data files 46_unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' data_file 47 48echo 49echo "creating image" 50_make_test_img 1M 51 52for ((i=1;i<=10;i++)); do 53 echo "savevm $i" 54 $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF 55savevm test-$i 56quit 57EOF 58done 59 60echo 61echo "checking image for errors" 62_check_test_img 63 64# success, all done 65echo "*** done" 66rm -f $seq.full 67status=0 68