mirror of https://gitee.com/openkylin/qemu.git
83 lines
2.0 KiB
Bash
Executable File
83 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env 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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# creator
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owner=stefanha@linux.vnet.ibm.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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_supported_fmt raw qcow2 qed luks
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_supported_proto file sheepdog rbd nfs
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echo "=== Creating image"
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echo
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small_size=$((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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echo
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echo "=== Writing whole image"
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io_pattern write 0 $small_size 0 1 0xc5
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_check_test_img
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echo
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echo "=== Resizing image"
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$QEMU_IO "$TEST_IMG" <<EOF | _filter_qemu_io
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length
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truncate $big_size
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length
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EOF
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_check_test_img
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# bdrv_truncate() doesn't zero the new space, so we need to do that explicitly.
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# We still want to test automatic zeroing for other formats even though
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# bdrv_truncate() doesn't guarantee it.
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if [ "$IMGFMT" == "luks" ]; then
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$QEMU_IO -c "write -z $small_size $((big_size - small_size))" "$TEST_IMG" > /dev/null
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fi
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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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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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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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