root / tests / qemu-iotests / 025 @ b3ce604e
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#!/bin/bash |
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# |
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# Resizing images |
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# |
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# Copyright (C) 2010 IBM, Corp. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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|
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# creator |
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owner=stefanha@linux.vnet.ibm.com |
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|
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seq=`basename $0` |
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echo "QA output created by $seq" |
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|
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here=`pwd` |
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tmp=/tmp/$$ |
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status=1 # failure is the default! |
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|
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_cleanup() |
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{ |
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_cleanup_test_img |
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} |
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trap "_cleanup; exit \$status" 0 1 2 3 15 |
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|
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# get standard environment, filters and checks |
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. ./common.rc |
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. ./common.filter |
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. ./common.pattern |
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|
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_supported_fmt raw qcow2 qed |
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_supported_proto file sheepdog rbd |
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_supported_os Linux |
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|
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echo "=== Creating image" |
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echo |
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small_size=$((128 * 1024 * 1024)) |
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big_size=$((384 * 1024 * 1024)) |
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_make_test_img $small_size |
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|
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echo |
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echo "=== Writing whole image" |
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io_pattern write 0 $small_size 0 1 0xc5 |
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_check_test_img |
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|
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echo |
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echo "=== Resizing image" |
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$QEMU_IO $TEST_IMG <<EOF |
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length |
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truncate $big_size |
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length |
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EOF |
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_check_test_img |
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|
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echo |
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echo "=== Verifying image size after reopen" |
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$QEMU_IO -c "length" $TEST_IMG |
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|
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echo |
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echo "=== Verifying resized image" |
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io_pattern read 0 $small_size 0 1 0xc5 |
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io_pattern read $small_size $(($big_size - $small_size)) 0 1 0 |
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|
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# success, all done |
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echo "*** done" |
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rm -f $seq.full |
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status=0 |