apfstests/tests/generic/434

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Netapp, Inc. All rights reserved.
#
# FS QA Test No. 434
#
# Tests vfs_copy_file_range() error checking
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1    # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -rf $tmp.*
}

# get standard environment
. common/rc
. common/filter

# real QA test starts here
_supported_fs generic
_supported_os Linux

_require_xfs_io_command "copy_range"
_require_test

testdir=$TEST_DIR/test-$seq
rm -rf $testdir
mkdir $testdir
rm -f $seqres.full

echo "Create the original files"
$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 1000' $testdir/file >> $seqres.full 2>&1
mknod $testdir/dev1 c 1 3
mkfifo $testdir/fifo

echo "Try to copy when source pos > source size"
$XFS_IO_PROG -f -c "copy_range -s 1000 -l 100 $testdir/file" "$testdir/copy"
md5sum $testdir/copy | _filter_test_dir

echo "Try to copy to a read-only file"
$XFS_IO_PROG -r -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/copy"
md5sum $testdir/copy | _filter_test_dir

echo "Try to copy to an append-only file"
$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/copy"
md5sum $testdir/copy | _filter_test_dir

echo "Try to copy to a device"
$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/dev1"

echo "Try to copy to a fifo"
$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/fifo"

#success, all done
status=0
exit