#! /bin/bash
# FS QA Test No. 279
#
# Test mkfs.xfs against various types of devices with varying
# logical & physical sector sizes and offsets.
#
#-----------------------------------------------------------------------
# Copyright (c) 2012 Red Hat, 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=sandeen@redhat.com

seq=`basename $0`
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.*
    _put_scsi_debug_dev
}

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

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_require_scsi_debug

rm -f $seq.full

# Remove xfs signature so -f isn't needed to re-mkfs
_wipe_device()
{
	device=$1
	dd if=/dev/zero of=$device bs=4k count=1 &>/dev/null
}

_check_mkfs()
{
	echo "===================" 
	echo "mkfs with opts: $@" | sed -e "s,/dev/sd.,DEVICE,"
	/sbin/mkfs.xfs $@ 2>/dev/null > $tmp.mkfs.full
	if [ $? -ne 0 ]; then
		echo "Failed."
		return
	fi
	echo "Passed."
	cat $tmp.mkfs.full | _filter_mkfs >> $seq.full 2>$tmp.mkfs
	. $tmp.mkfs
	echo "Got sector size: $sectsz"
	device=`echo $@ | awk '{print $NF}'`
	_wipe_device $device
}

# === 4k physical 512b logical aligned
(
echo "==================="
echo "4k physical 512b logical aligned"
SCSI_DEBUG_DEV=`_get_scsi_debug_dev 4096 512 0 128`
# sector size should default to 4k
_check_mkfs $SCSI_DEBUG_DEV
# blocksize smaller than physical sectorsize should revert to logical sectorsize
_check_mkfs -b size=2048 -f $SCSI_DEBUG_DEV
) | tee -a $seq.full
_put_scsi_debug_dev

# === 4k physical 512b logical unaligned
(
echo "==================="
echo "4k physical 512b logical unaligned"
SCSI_DEBUG_DEV=`_get_scsi_debug_dev 4096 512 1 128`
# should fail on misalignment
_check_mkfs $SCSI_DEBUG_DEV
# should fall back to logical sector size with force
_check_mkfs -f $SCSI_DEBUG_DEV
# with 4k sector specified should fail without force
_check_mkfs -s size=4096 $SCSI_DEBUG_DEV
# with 4k sector specified should fall back to logical sector size with force
_check_mkfs -s size=4096 -f $SCSI_DEBUG_DEV
) | tee -a $seq.full
_put_scsi_debug_dev

# === hard 4k physical / 4k logical
(
echo "==================="
echo "hard 4k physical / 4k logical"
SCSI_DEBUG_DEV=`_get_scsi_debug_dev 4096 4096 0 128`
# block size smaller than sector size should fail 
_check_mkfs -b size=2048 $SCSI_DEBUG_DEV
# sector size smaller than physical sector size should fail
_check_mkfs -s size=512 $SCSI_DEBUG_DEV
) | tee -a $seq.full
_put_scsi_debug_dev

status=0
exit
