#! /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
#
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 7 15

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

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_os Linux
_supported_fs generic

rm -f $seqres.full

_require_test
_require_scratch
_require_xfs_io_command "copy_range"

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


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

$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_test_dir | _filter_scratch

# success, all done
status=0
exit