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apfstests/tests/btrfs/028
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#! /bin/bash
# FS QA Test No. 028
#
# 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.
#
#-----------------------------------------------------------------------
# Copyright (c) 2014, Oracle and/or its affiliates. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#-----------------------------------------------------------------------
seq=`basename $0`
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.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# real QA test starts here
_supported_fs btrfs
_supported_os Linux
_require_xfs_io_fiemap
_require_cp_reflink
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