apfstests/tests/generic/374

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Oracle, Inc.  All Rights Reserved.
#
# FS QA Test No. 374
#
# Check that cross-mountpoint dedupe doesn't work.
#
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.*
	wait
}

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

# real QA test starts here
_supported_os Linux
_supported_fs generic
_require_scratch_dedupe

echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1

testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir
otherdir=/tmp/m.$seq
othertestdir=$otherdir/test-$seq
rm -rf $otherdir
mkdir $otherdir

blocks=1
blksz=65536
sz=$((blocks * blksz))

echo "Mount otherdir"
$MOUNT_PROG --bind $SCRATCH_MNT $otherdir

echo "Create file"
_pwrite_byte 0x61 0 $sz $testdir/file >> $seqres.full
_pwrite_byte 0x61 0 $sz $testdir/otherfile >> $seqres.full

echo "Dedupe one file to another"
_dedupe_range $testdir/file 0 $othertestdir/otherfile 0 $sz 2>&1 | _filter_dedupe_error

filter_md5()
{
	_filter_scratch | sed -e "s,$otherdir,OTHER_DIR,g"
}
echo "Check output"
md5sum $testdir/file $othertestdir/otherfile | filter_md5

echo "Unmount otherdir"
$UMOUNT_PROG $otherdir
rm -rf $otherdir

# success, all done
status=0
exit