#! /bin/bash
# FS QA Test No. 310
#
#Check if there are two threads,one keeps calling read() or lseek(), and
#the other calling readdir(), both on the same directory fd.
#
# Based on a testcase from Li Zefan <lizefan@huawei.com>.
#
# http://marc.info/?l=linux-kernel&m=136123703211869&w=2
#
#-----------------------------------------------------------------------
# Copyright (c) 2013 HuaWei. 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
#-----------------------------------------------------------------------
#
# creator
owner=zhaohongjiang@huawei.com

seq=`basename $0`
echo "QA output created by $seq"

status=1	# failure is the default!

_cleanup()
{
	rm -rf $TEST_DIR/tmp
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

# real QA test starts here
_supported_fs generic
_supported_os Linux

mkdir $TEST_DIR/tmp
for n in {1..4096}; do
	touch $TEST_DIR/tmp/$n
done

_test_read()
{
	src/t_readdir_1 $TEST_DIR/tmp &
	sleep 100
	killall src/t_readdir_1
}

_test_lseek()
{
	src/t_readdir_2 $TEST_DIR/tmp &
	sleep 100
	killall src/t_readdir_2
}

_test_read
_test_lseek

# success, all done
echo "*** done"
rm -f $seq.full
status=0
exit