#! /bin/bash
# FS QA Test No. 109
#
# Test rename for various sizes of directories. This is motivated by a bug
# in XFS where directory entry file type was not updated properly on rename.
#
#-----------------------------------------------------------------------
# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved.
# Author: Jan Kara <jack@suse.com>
#
# 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 -f $tmp.*
}

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

# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_scratch

rm -f $seqres.full

echo "Silence is golden"

filldir()
{
	for (( i = 0; i < $1; i++ )); do
		echo -n > "fname$i"
	done
}

# Test renaming of file, symlink over file, symlink, non-existent
# name
renamedir()
{
	touch fs1
	touch fs2
	touch fs3
	touch fd1
	touch fd2
	ln -s foo ss1
	ln -s foo ss2
	ln -s foo ss3
	ln -s foo sd1
	ln -s foo sd2

	mv -T fs1 fd1
	mv -T fs2 sd1
	mv -T fs3 ed1

	mv -T ss1 fd2
	mv -T ss2 sd2
	mv -T ss3 ed2
}

_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1

# Test different directory sizes to test various directory formats
for f in 1 2 3 4 5 8 12 18 27 40 60 90 135 202 303 454 681 1020 1530 2295; do
	mkdir $SCRATCH_MNT/dir$f
	pushd $SCRATCH_MNT/dir$f >/dev/null
	filldir $f
	renamedir
	popd >/dev/null
done

status=0
exit