#! /bin/bash
# FS QA Test No. 259
#
# Test fs creation on 4 TB minus few bytes partition
#
#-----------------------------------------------------------------------
# Copyright (c) 2011 Red Hat.  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=branto@redhat.com

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

status=1	# failure is the default!

_cleanup()
{
    rm -f "$testfile"
}

trap "_cleanup ; exit \$status" 0 1 2 3 15

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

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_require_math

testfile=$TEST_DIR/259.image

# Test various sizes slightly less than 4 TB
four_TB=$(_math "2^42")
for del in 1 512 1024 1025 2048 4096; do
	ddseek=$(_math "$four_TB - $del")
	echo "Trying to make (4 TB - $del) B long xfs fs image"
	rm -f "$testfile"
	dd if=/dev/zero "of=$testfile" bs=1 count=0 seek=$ddseek \
					>/dev/null 2>&1 || echo "dd failed"
	lofile=$(losetup -f)
	losetup $lofile "$testfile"
	"$MKFS_XFS_PROG" -b size=512 $lofile >/dev/null || echo "mkfs failed!"
	sync
	losetup -d $lofile
done

status=0

exit
