#! /bin/bash
# FS QA Test No. 032
#
# Test xfs_copy for all filesystem sector size / block size
# combinations possible on this platform.
#
#-----------------------------------------------------------------------
# Copyright (c) 2014 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
#
#-----------------------------------------------------------------------
#

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

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
trap "rm -f $tmp.*; 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_scratch
_require_test_program "feature"

[ "$USE_EXTERNAL" = yes ] && _notrun "Cannot xfs_copy with external devices"
[ -n "$XFS_COPY_PROG" ] || _notrun "xfs_copy binary not yet installed"

rm -f $seqres.full

SECTORSIZE=`blockdev --getss $SCRATCH_DEV`
PAGESIZE=`src/feature -s`
IMGFILE=$TEST_DIR/${seq}_copy.img

echo "Silence is golden."

do_copy()
{
	local opts="$*"

	$XFS_COPY_PROG $opts $SCRATCH_DEV $IMGFILE >> $seqres.full 2>&1 || \
		_fail "xfs_copy $opts failed for Sector size $SECTORSIZE Block size $BLOCKSIZE"
	# Must use "-n" to get exit code; without it xfs_repair always returns 0
	$XFS_REPAIR_PROG -n -f $IMGFILE >> $seqres.full 2>&1 || \
		_fail "xfs_copy $opts corrupted for Sector size $SECTORSIZE Block size $BLOCKSIZE"
}

while [ $SECTORSIZE -le $PAGESIZE ]; do
	BLOCKSIZE=$SECTORSIZE;

	while [ $BLOCKSIZE -le $PAGESIZE ]; do

		echo "=== Sector size $SECTORSIZE Block size $BLOCKSIZE ==" >> $seqres.full
		_scratch_mkfs -s size=$SECTORSIZE -b size=$BLOCKSIZE -d size=1g >> $seqres.full 2>&1
		# Maybe return error at here, e.g: mkfs.xfs -m crc=1 -b size=512
		if [ $? -ne 0 ]; then
			BLOCKSIZE=$(($BLOCKSIZE * 2))
			continue
		fi
		_scratch_mount
		# light population of the fs
		$FSSTRESS_PROG -n 100 -d $SCRATCH_MNT >> $seqres.full 2>&1
		_scratch_unmount

		# Test "duplicate" copy at first, if $XFS_COPY_PROG won't do it.
		if [[ ! "$XFS_COPY_PROG" =~ -d ]]; then
			do_copy -d
		fi
		do_copy

		BLOCKSIZE=$(($BLOCKSIZE * 2));
	done
	SECTORSIZE=$(($SECTORSIZE * 2));
done

# success, all done
exit