|  | #!/bin/bash | 
|  | # | 
|  | # Resizing images | 
|  | # | 
|  | # Copyright (C) 2010 IBM, Corp. | 
|  | # | 
|  | # This program is free software; you can redistribute it and/or modify | 
|  | # it under the terms of the GNU General Public License as published by | 
|  | # the Free Software Foundation; either version 2 of the License, or | 
|  | # (at your option) any later version. | 
|  | # | 
|  | # This program is distributed in the hope that it will be useful, | 
|  | # but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | # GNU General Public License for more details. | 
|  | # | 
|  | # You should have received a copy of the GNU General Public License | 
|  | # along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | # | 
|  |  | 
|  | # creator | 
|  | owner=stefanha@linux.vnet.ibm.com | 
|  |  | 
|  | seq=`basename $0` | 
|  | echo "QA output created by $seq" | 
|  |  | 
|  | here=`pwd` | 
|  | tmp=/tmp/$$ | 
|  | status=1	# failure is the default! | 
|  |  | 
|  | _cleanup() | 
|  | { | 
|  | _cleanup_test_img | 
|  | } | 
|  | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
|  |  | 
|  | # get standard environment, filters and checks | 
|  | . ./common.rc | 
|  | . ./common.filter | 
|  | . ./common.pattern | 
|  |  | 
|  | _supported_fmt raw qcow2 qed | 
|  | _supported_proto file sheepdog rbd | 
|  | _supported_os Linux | 
|  |  | 
|  | echo "=== Creating image" | 
|  | echo | 
|  | small_size=$((128 * 1024 * 1024)) | 
|  | big_size=$((384 * 1024 * 1024)) | 
|  | _make_test_img $small_size | 
|  |  | 
|  | echo | 
|  | echo "=== Writing whole image" | 
|  | io_pattern write 0 $small_size 0 1 0xc5 | 
|  | _check_test_img | 
|  |  | 
|  | echo | 
|  | echo "=== Resizing image" | 
|  | $QEMU_IO $TEST_IMG <<EOF | 
|  | length | 
|  | truncate $big_size | 
|  | length | 
|  | EOF | 
|  | _check_test_img | 
|  |  | 
|  | echo | 
|  | echo "=== Verifying image size after reopen" | 
|  | $QEMU_IO -c "length" $TEST_IMG | 
|  |  | 
|  | echo | 
|  | echo "=== Verifying resized image" | 
|  | io_pattern read 0 $small_size 0 1 0xc5 | 
|  | io_pattern read $small_size $(($big_size - $small_size)) 0 1 0 | 
|  |  | 
|  | # success, all done | 
|  | echo "*** done" | 
|  | rm -f $seq.full | 
|  | status=0 |