#!/bin/bash
#
# Test qcow2 preallocation with different cluster_sizes
#
# Copyright (C) 2014 Fujitsu.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
#

# creator
owner=hutao@cn.fujitsu.com

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

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

_supported_fmt qcow2
_supported_proto file nfs
_supported_os Linux

function test_qemu_img()
{
    echo qemu-img "$@" | _filter_testdir
    $QEMU_IMG "$@" 2>&1 | _filter_testdir
    echo
}

echo "=== Check option preallocation and cluster_size ==="
echo
cluster_sizes="16384 32768 65536 131072 262144 524288 1048576 2097152 4194304"

for s in $cluster_sizes; do
    test_qemu_img create -f $IMGFMT -o preallocation=metadata,cluster_size=$s "$TEST_IMG" 4G
done

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