tests/xfs/209

#! /bin/bash
# FS QA Test No. 209
#
# Make sure setting cowextsz on a directory propagates it to subfiles.
#
#-----------------------------------------------------------------------
# Copyright (c) 2016, 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 $0`
seqres=$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 -rf $tmp.*
}

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

# real QA test starts here
_supported_os Linux
_supported_fs xfs
_require_scratch_reflink
_require_cp_reflink
_require_xfs_io_command "fiemap"
_require_xfs_io_command "cowextsize"

rm -f $seqres.full

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

testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir

echo "Set extsz and cowextsz on directory"
$XFS_IO_PROG -c "cowextsize 1048576" $testdir >> $seqres.full

echo "Create a fake tree structure"
seq 1 2 | while read nr; do
	mkdir "$testdir/dir-$nr"
	seq 1 4 | while read nnr; do
		touch "$testdir/dir-$nr/file-$nnr"
	done
done
_scratch_cycle_mount

echo "Check cowextsize settings"
seq 1 2 | while read nr; do
	seq 1 4 | while read nnr; do
		file="$testdir/dir-$nr/file-$nnr"
		$XFS_IO_PROG -c "cowextsize" $file | _filter_scratch
	done
done

# success, all done
status=0
exit