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https://github.com/linux-apfs/apfstests.git
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88 lines
2.6 KiB
Bash
88 lines
2.6 KiB
Bash
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#!/bin/bash
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# FS QA Test No. 433
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#
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# Tests vfs_copy_file_range():
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# - Copy a small file
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# - Use copy to swap data at beginning and end
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# - Use copy to swap data in the middle
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# - Use copy to swap data in a small file
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#-----------------------------------------------------------------------
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# Copyright (c) 2017 Netapp, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would 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, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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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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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf $tmp.*
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}
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# get standard environment
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. common/rc
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. common/filter
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_xfs_io_command "copy_range"
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_require_test
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testdir=$TEST_DIR/test-$seq
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rm -rf $testdir
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mkdir $testdir
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rm -f $seqres.full
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echo "Create the original file and then copy"
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echo -n "abcde" > $testdir/file
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$XFS_IO_PROG -f -c "copy_range $testdir/file" "$testdir/copy"
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cmp $testdir/file $testdir/copy
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echo "Original md5sums:"
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md5sum $testdir/{file,copy} | _filter_test_dir
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echo "Swap beginning and end of original file"
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$XFS_IO_PROG -f -c "copy_range -s 0 -d 4 -l 1 $testdir/file" "$testdir/copy"
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$XFS_IO_PROG -f -c "copy_range -s 4 -d 0 -l 1 $testdir/file" "$testdir/copy"
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echo -n "ebcda" | cmp $testdir/copy
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echo "md5sums after swapping beginning and end:"
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md5sum $testdir/{file,copy} | _filter_test_dir
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echo "Swap middle parts of original file"
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$XFS_IO_PROG -f -c "copy_range -s 1 -d 3 -l 1 $testdir/file" "$testdir/copy"
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$XFS_IO_PROG -f -c "copy_range -s 3 -d 1 -l 1 $testdir/file" "$testdir/copy"
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echo -n "edcba" | cmp $testdir/copy
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echo "md5sums after swapping middle:"
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md5sum $testdir/{file,copy} | _filter_test_dir
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echo "Copy tail of original file onto copy"
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$XFS_IO_PROG -f -c "copy_range -s 1 -d 3 -l 4 $testdir/file" "$testdir/copy"
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echo -n "edcbcde" | cmp $testdir/copy
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echo "md5sums after copying tail:"
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md5sum $testdir/{file,copy} | _filter_test_dir
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#success, all done
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status=0
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exit
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