Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 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 |
| 22 | owner=stefanha@linux.vnet.ibm.com |
| 23 | |
| 24 | seq=`basename $0` |
| 25 | echo "QA output created by $seq" |
| 26 | |
Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 27 | status=1 # failure is the default! |
| 28 | |
| 29 | _cleanup() |
| 30 | { |
| 31 | _cleanup_test_img |
| 32 | } |
| 33 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 34 | |
| 35 | # get standard environment, filters and checks |
| 36 | . ./common.rc |
| 37 | . ./common.filter |
| 38 | . ./common.pattern |
| 39 | |
Kevin Wolf | 633c175 | 2018-03-20 15:31:06 +0100 | [diff] [blame] | 40 | _supported_fmt raw qcow2 qed luks |
Eric Blake | e32ccbc | 2017-03-08 14:02:16 -0600 | [diff] [blame] | 41 | _supported_proto file sheepdog rbd nfs |
Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 42 | _supported_os Linux |
| 43 | |
| 44 | echo "=== Creating image" |
| 45 | echo |
| 46 | small_size=$((128 * 1024 * 1024)) |
| 47 | big_size=$((384 * 1024 * 1024)) |
| 48 | _make_test_img $small_size |
| 49 | |
| 50 | echo |
| 51 | echo "=== Writing whole image" |
| 52 | io_pattern write 0 $small_size 0 1 0xc5 |
| 53 | _check_test_img |
| 54 | |
| 55 | echo |
| 56 | echo "=== Resizing image" |
Fam Zheng | 0d83c98 | 2013-11-18 15:10:58 +0800 | [diff] [blame] | 57 | $QEMU_IO "$TEST_IMG" <<EOF | _filter_qemu_io |
Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 58 | length |
| 59 | truncate $big_size |
| 60 | length |
| 61 | EOF |
| 62 | _check_test_img |
| 63 | |
Kevin Wolf | 633c175 | 2018-03-20 15:31:06 +0100 | [diff] [blame] | 64 | # bdrv_truncate() doesn't zero the new space, so we need to do that explicitly. |
| 65 | # We still want to test automatic zeroing for other formats even though |
| 66 | # bdrv_truncate() doesn't guarantee it. |
| 67 | if [ "$IMGFMT" == "luks" ]; then |
| 68 | $QEMU_IO -c "write -z $small_size $((big_size - small_size))" "$TEST_IMG" > /dev/null |
| 69 | fi |
| 70 | |
Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 71 | echo |
| 72 | echo "=== Verifying image size after reopen" |
Jeff Cody | fef9c19 | 2013-09-25 08:12:22 -0400 | [diff] [blame] | 73 | $QEMU_IO -c "length" "$TEST_IMG" |
Stefan Hajnoczi | 596f4f9 | 2010-05-04 18:59:08 +0200 | [diff] [blame] | 74 | |
| 75 | echo |
| 76 | echo "=== Verifying resized image" |
| 77 | io_pattern read 0 $small_size 0 1 0xc5 |
| 78 | io_pattern read $small_size $(($big_size - $small_size)) 0 1 0 |
| 79 | |
| 80 | # success, all done |
| 81 | echo "*** done" |
| 82 | rm -f $seq.full |
| 83 | status=0 |