#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014, Oracle and/or its affiliates.  All Rights Reserved.
#
# FS QA Test No. 115
#
# Moving and deleting cloned ("reflinked") files on btrfs:
#   - Create a file and a reflink
#   - Move both to a directory
#   - Delete the original (moved) file, check that the copy still exists.
#
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 15

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

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

# real QA test starts here
_require_test_reflink

_require_xfs_io_command "fiemap"
_require_cp_reflink
_require_test

rm -f $seqres.full

testdir1=$TEST_DIR/test-$seq
rm -rf $testdir1
mkdir $testdir1

echo "Create the original files and reflink dirs"
$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 9000' $testdir1/original \
    >> $seqres.full
cp --reflink $testdir1/original $testdir1/copy

_verify_reflink $testdir1/original $testdir1/copy

echo "Move orig & reflink copy to subdir and md5sum:"
mkdir $testdir1/subdir
mv $testdir1/original $testdir1/subdir/original_moved
mv $testdir1/copy $testdir1/subdir/copy_moved
_verify_reflink $testdir1/subdir/original_moved \
    $testdir1/subdir/copy_moved

md5sum $testdir1/subdir/original_moved | _filter_test_dir
md5sum $testdir1/subdir/copy_moved | _filter_test_dir

echo "remove orig from subdir and md5sum reflink copy:"
rm $testdir1/subdir/original_moved
md5sum $testdir1/subdir/copy_moved | _filter_test_dir
rm -rf $testdir1/subdir

# success, all done
status=0
exit