#! /bin/bash
# FS QA Test No. 275
#
# The posix write test. when write size is larger than disk free size,
# should write as more as possible
#
#-----------------------------------------------------------------------
# Copyright (c) 2011-2012 Fujitsu, Inc.  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=wu.bo@cn.fujitsu.com

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

here=`pwd`
tmp=/tmp/$$
status=0    # success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

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

. ./common.rc
. ./common.filter

# real QA test starts here
_supported_fs generic
_supported_os IRIX Linux
_require_scratch

echo "------------------------------"
echo "write lack test"
echo "------------------------------"

rm -f $seq.full

umount $SCRATCH_DEV 2>/dev/null
_scratch_mkfs_sized $((1 * 1024 * 1024 * 1024)) >>$seq.full 2>&1
_scratch_mount

rm -rf $SCRATCH_MNT/*
cd $SCRATCH_MNT

dd if=/dev/zero of=tmp1 bs=4K count=1 >/dev/null 2>&1
if [ $? -ne 0 ]
then
	echo "create file err"
	status=1
	exit
fi

dd if=/dev/zero of=tmp2 bs=1M >/dev/null 2>&1
dd if=/dev/zero of=tmp3 bs=4K >/dev/null 2>&1
sync

rm -f tmp1
sync

dd if=/dev/zero of=tmp1 bs=8K count=1 >/dev/null 2>&1
_filesize=`du tmp1 | awk '{print $1}'`
if [ $_filesize -ne 4 ]
then
	echo "write file err"
	status=1
	exit
fi

echo "done"
exit