#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Red Hat, Inc.  All Rights Reserved.
#
# FS QA Test No. 565
#
# Exercise copy_file_range() across devices supported by some
# filesystems since kernel commit:
#
# 5dae222a5ff0 vfs: allow copy_file_range to copy across devices
#
. ./common/preamble
_begin_fstest auto quick copy_range

_register_cleanup "_cleanup" BUS

# Import common functions.
. ./common/filter

# real QA test starts here
_supported_fs generic

_require_test
_require_scratch
_require_xfs_io_command "copy_range"

_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount

testdir=$TEST_DIR/test-$seq
rm -rf $testdir
mkdir $testdir

$XFS_IO_PROG -f -c "pwrite -S 0x61 0 128k" $testdir/file >> $seqres.full 2>&1

# expect success or EXDEV on filesystem/kernel that do not support
# cross-device copy_range
testio=`$XFS_IO_PROG -f -c "copy_range -l 128k $testdir/file" $SCRATCH_MNT/copy 2>&1`
echo $testio | grep -q "cross-device" && \
	_notrun "$FSTYP does not support cross-device copy_file_range"
echo -n $testio
cmp $testdir/file $SCRATCH_MNT/copy
echo "md5sums after xdev copy:"
md5sum $testdir/file $SCRATCH_MNT/copy | _filter_testdir_and_scratch

# success, all done
status=0
exit