| #!/usr/bin/env bash | |
| # group: rw auto quick | |
| # | |
| # 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@redhat.com | |
| seq=`basename $0` | |
| echo "QA output created by $seq" | |
| status=1 # failure is the default! | |
| _cleanup() | |
| { | |
| _cleanup_test_img | |
| } | |
| trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| # get standard environment, filters and checks | |
| . ./common.rc | |
| . ./common.filter | |
| . ./common.pattern | |
| _supported_fmt raw qcow2 qed luks | |
| _supported_proto file rbd nfs fuse | |
| echo "=== Creating image" | |
| echo | |
| small_size=$((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 | _filter_qemu_io | |
| length | |
| truncate $big_size | |
| length | |
| EOF | |
| _check_test_img | |
| # bdrv_truncate() doesn't zero the new space, so we need to do that explicitly. | |
| # We still want to test automatic zeroing for other formats even though | |
| # bdrv_truncate() doesn't guarantee it. | |
| if [ "$IMGFMT" == "luks" ]; then | |
| $QEMU_IO -c "write -z $small_size $((big_size - small_size))" "$TEST_IMG" > /dev/null | |
| fi | |
| 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 |