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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 246
#
# Create an empty file and try to query the (nonexistant) CoW fork.
#
. ./common/preamble
_begin_fstest auto quick clone
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_xfs_debug
_require_xfs_io_command "bmap" "-c"
_require_scratch
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1
testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir
echo "Create the original files"
touch $testdir/file1
sync
echo "Dump extents after sync"
echo "Hole CoW extents:"
$XFS_IO_PROG -c "bmap -clpv" $testdir/file1 | _filter_scratch
# success, all done
status=0
exit
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