#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Red Hat, Inc.  All Rights Reserved.
#
# FS QA Test No. 554
#
# Check that we cannot copy_file_range() to a swapfile
#
# This is a regression test for kernel commit:
#   96e6e8f4a68d ("vfs: add missing checks to copy_file_range")
#
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 -f $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_scratch
_require_xfs_io_command "copy_range"
_require_scratch_swapfile

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

rm -f $seqres.full

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

echo swap files return ETXTBUSY
_format_swapfile $SCRATCH_MNT/swapfile 16m
swapon $SCRATCH_MNT/swapfile
$XFS_IO_PROG -f -c "copy_range -l 32k $SCRATCH_MNT/file" $SCRATCH_MNT/swapfile
swapoff $SCRATCH_MNT/swapfile

# success, all done
status=0
exit