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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Netapp, Inc. All rights reserved.
#
# FS QA Test No. 430
#
# Tests vfs_copy_file_range():
# - Copy a file
# - Copy beginning of original to new file
# - Copy middle of original to a new file
# - Copy end of original to new file
# - Copy middle of original to a new file, creating a hole
. ./common/preamble
_begin_fstest auto quick copy_range
# get standard environment
. common/filter
# real QA test starts here
_supported_fs generic
_require_xfs_io_command "copy_range"
_require_test
testdir=$TEST_DIR/test-$seq
rm -rf $testdir
mkdir $testdir
echo "Create the original file and then copy"
$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 1000' $testdir/file >> $seqres.full 2>&1
$XFS_IO_PROG -f -c 'pwrite -S 0x62 1000 1000' $testdir/file >> $seqres.full 2>&1
$XFS_IO_PROG -f -c 'pwrite -S 0x63 2000 1000' $testdir/file >> $seqres.full 2>&1
$XFS_IO_PROG -f -c 'pwrite -S 0x64 3000 1000' $testdir/file >> $seqres.full 2>&1
$XFS_IO_PROG -f -c 'pwrite -S 0x65 4000 1000' $testdir/file >> $seqres.full 2>&1
$XFS_IO_PROG -f -c "copy_range $testdir/file" "$testdir/copy"
cmp $testdir/file $testdir/copy
echo "Original md5sums:"
md5sum $testdir/{file,copy} | _filter_test_dir
echo "Copy beginning of original file"
$XFS_IO_PROG -f -c "copy_range -l 1000 $testdir/file" "$testdir/beginning"
cmp -n 1000 $testdir/file $testdir/beginning
echo "md5sums after copying beginning:"
md5sum $testdir/{file,beginning} | _filter_test_dir
echo "Copy middle of original file"
$XFS_IO_PROG -f -c "copy_range -s 1000 -l 3000 $testdir/file" "$testdir/middle"
cmp -n 3000 $testdir/file $testdir/middle 1000
echo "md5sums after copying middle:"
md5sum $testdir/{file,middle} | _filter_test_dir
echo "Copy end of original file"
$XFS_IO_PROG -f -c "copy_range -s 4000 -l 1000 $testdir/file" "$testdir/end"
cmp -n 1000 $testdir/file $testdir/end 4000
echo "md5sums after copying end:"
md5sum $testdir/{file,end} | _filter_test_dir
echo "Copy beyond end of original file"
$XFS_IO_PROG -f -c "copy_range -s 4000 -l 2000 $testdir/file" "$testdir/beyond"
cmp -n 1000 $testdir/file $testdir/beyond 4000
echo "md5sums after copying beyond:"
md5sum $testdir/{file,beyond} | _filter_test_dir
echo "Copy creates hole in target file"
$XFS_IO_PROG -f -c "copy_range -s 1000 -l 3000 -d 1000 $testdir/file" "$testdir/hole"
cmp -n 3000 $testdir/file $testdir/hole 1000 1000
echo "md5sums after creating hole:"
md5sum $testdir/{file,hole} | _filter_test_dir
#success, all done
status=0
exit
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