1#!/bin/bash 2# 3# Resizing images 4# 5# Copyright (C) 2010 IBM, Corp. 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=stefanha@linux.vnet.ibm.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_supported_fmt raw qcow2 qed 43_supported_proto file sheepdog rbd nfs 44_supported_os Linux 45 46echo "=== Creating image" 47echo 48small_size=$((128 * 1024 * 1024)) 49big_size=$((384 * 1024 * 1024)) 50_make_test_img $small_size 51 52echo 53echo "=== Writing whole image" 54io_pattern write 0 $small_size 0 1 0xc5 55_check_test_img 56 57echo 58echo "=== Resizing image" 59$QEMU_IO "$TEST_IMG" <<EOF | _filter_qemu_io 60length 61truncate $big_size 62length 63EOF 64_check_test_img 65 66echo 67echo "=== Verifying image size after reopen" 68$QEMU_IO -c "length" "$TEST_IMG" 69 70echo 71echo "=== Verifying resized image" 72io_pattern read 0 $small_size 0 1 0xc5 73io_pattern read $small_size $(($big_size - $small_size)) 0 1 0 74 75# success, all done 76echo "*** done" 77rm -f $seq.full 78status=0 79