e8c212d682
Blue Swirl notices that we were using the old FSF post address in the license boilerplates. Replace both the old and new address with links to the gnu.org licenses homepage as suggested by Ben Pfaff. Signed-off-by: Christoph Hellwig <hch@lst.de>
106 lines
2.5 KiB
Bash
Executable file
106 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Commit changes to backing file
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#
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# Copyright (C) 2009 Red Hat, Inc.
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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=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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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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_cleanup()
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{
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_cleanup_test_img
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rm -f $TEST_IMG.base
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rm -f $TEST_IMG.orig
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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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# Any format supporting backing files
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_supported_fmt qcow qcow2 vmdk
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_supported_os Linux
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TEST_OFFSETS="0 4294967296"
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_make_test_img 6G
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echo "Filling base image"
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echo
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for offset in $TEST_OFFSETS; do
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# Some clusters with alternating backing file/image file reads
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io writev $(( offset )) 512 1024 64
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# Complete backing clusters
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io writev $(( offset + 64 * 1024)) 65536 65536 1
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done
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_check_test_img
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echo "Creating test image with backing file"
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echo
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mv $TEST_IMG $TEST_IMG.base
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_make_test_img -b $TEST_IMG.base 6G
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echo "Filling test image"
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echo
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for offset in $TEST_OFFSETS; do
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# Some clusters with alternating backing file/image file reads
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io writev $(( offset + 512 )) 512 1024 64
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# Complete test image clusters
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io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1
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done
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_check_test_img
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$QEMU_IMG commit $TEST_IMG
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mv $TEST_IMG.base $TEST_IMG
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echo "Reading from the backing file"
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echo
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for offset in $TEST_OFFSETS; do
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# Some clusters with alternating backing file/image file reads
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io readv $(( offset )) 512 1024 64
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io readv $(( offset + 512 )) 512 1024 64
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# Complete test image clusters
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io readv $(( offset + 64 * 1024)) 65536 65536 1
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io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1
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# Empty sectors
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io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1
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done
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_check_test_img
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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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