189d22bc3SStefan Hajnoczi#!/bin/bash 289d22bc3SStefan Hajnoczi# 389d22bc3SStefan Hajnoczi# Test that sub-cluster allocating writes zero the rest of the cluster 489d22bc3SStefan Hajnoczi# 589d22bc3SStefan Hajnoczi# Copyright (C) 2010 IBM, Corp. 689d22bc3SStefan Hajnoczi# 789d22bc3SStefan Hajnoczi# This program is free software; you can redistribute it and/or modify 889d22bc3SStefan Hajnoczi# it under the terms of the GNU General Public License as published by 989d22bc3SStefan Hajnoczi# the Free Software Foundation; either version 2 of the License, or 1089d22bc3SStefan Hajnoczi# (at your option) any later version. 1189d22bc3SStefan Hajnoczi# 1289d22bc3SStefan Hajnoczi# This program is distributed in the hope that it will be useful, 1389d22bc3SStefan Hajnoczi# but WITHOUT ANY WARRANTY; without even the implied warranty of 1489d22bc3SStefan Hajnoczi# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1589d22bc3SStefan Hajnoczi# GNU General Public License for more details. 1689d22bc3SStefan Hajnoczi# 1789d22bc3SStefan Hajnoczi# You should have received a copy of the GNU General Public License 1889d22bc3SStefan Hajnoczi# along with this program. If not, see <http://www.gnu.org/licenses/>. 1989d22bc3SStefan Hajnoczi# 2089d22bc3SStefan Hajnoczi 2189d22bc3SStefan Hajnoczi# creator 2289d22bc3SStefan Hajnocziowner=stefanha@linux.vnet.ibm.com 2389d22bc3SStefan Hajnoczi 2489d22bc3SStefan Hajnocziseq=`basename $0` 2589d22bc3SStefan Hajnocziecho "QA output created by $seq" 2689d22bc3SStefan Hajnoczi 2789d22bc3SStefan Hajnoczihere=`pwd` 2889d22bc3SStefan Hajnoczitmp=/tmp/$$ 2989d22bc3SStefan Hajnoczistatus=1 # failure is the default! 3089d22bc3SStefan Hajnoczi 3189d22bc3SStefan Hajnoczi_cleanup() 3289d22bc3SStefan Hajnoczi{ 3389d22bc3SStefan Hajnoczi _cleanup_test_img 3489d22bc3SStefan Hajnoczi} 3589d22bc3SStefan Hajnoczitrap "_cleanup; exit \$status" 0 1 2 3 15 3689d22bc3SStefan Hajnoczi 3789d22bc3SStefan Hajnoczi# get standard environment, filters and checks 3889d22bc3SStefan Hajnoczi. ./common.rc 3989d22bc3SStefan Hajnoczi. ./common.filter 4089d22bc3SStefan Hajnoczi 41f5a4bbd9SStefan Hajnoczi_supported_fmt vmdk qcow qcow2 qed 42*9cdfa1b3SMORITA Kazutaka_supported_proto generic 4389d22bc3SStefan Hajnoczi_supported_os Linux 4489d22bc3SStefan Hajnoczi 4589d22bc3SStefan Hajnoczi 4689d22bc3SStefan Hajnoczisize=128M 4789d22bc3SStefan Hajnoczicluster_size=65536 4889d22bc3SStefan Hajnoczisubcluster_offset=1024 4989d22bc3SStefan Hajnoczisubcluster_size=2048 5089d22bc3SStefan Hajnoczi_make_test_img $size 5189d22bc3SStefan Hajnoczi 5289d22bc3SStefan Hajnoczi# This first write causes an L2 table to be allocated so that the next write 5389d22bc3SStefan Hajnoczi# doesn't need to allocate one and is therefore at the end of the image file. 5489d22bc3SStefan Hajnoczi# Otherwise an L2 table could get in the way after the data cluster. 5589d22bc3SStefan Hajnocziecho 5689d22bc3SStefan Hajnocziecho "== writing first cluster to populate metadata ==" 5789d22bc3SStefan Hajnoczi$QEMU_IO -c "write -pP 0xde $cluster_size $cluster_size" $TEST_IMG | _filter_qemu_io 5889d22bc3SStefan Hajnoczi 5989d22bc3SStefan Hajnocziecho 6089d22bc3SStefan Hajnocziecho "== writing at sub-cluster granularity ==" 6189d22bc3SStefan Hajnoczi$QEMU_IO -c "write -pP 0xa $subcluster_offset $subcluster_size" $TEST_IMG | _filter_qemu_io 6289d22bc3SStefan Hajnoczi 6389d22bc3SStefan Hajnocziecho 6489d22bc3SStefan Hajnocziecho "== verify pattern ==" 6589d22bc3SStefan Hajnoczi$QEMU_IO -c "read -pP 0xa $subcluster_offset $subcluster_size" $TEST_IMG | _filter_qemu_io 6689d22bc3SStefan Hajnoczi 6789d22bc3SStefan Hajnocziecho 6889d22bc3SStefan Hajnocziecho "== verify zeroes before sub-cluster pattern ==" 6989d22bc3SStefan Hajnoczi$QEMU_IO -c "read -pP 0 -l $subcluster_offset 0 $subcluster_size" $TEST_IMG | _filter_qemu_io 7089d22bc3SStefan Hajnoczi 7189d22bc3SStefan Hajnocziecho 7289d22bc3SStefan Hajnocziecho "== verify zeroes after sub-cluster pattern ==" 7389d22bc3SStefan Hajnoczi$QEMU_IO -c "read -pP 0 -l 512 -s $subcluster_size $subcluster_offset $(( subcluster_size + 512 ))" $TEST_IMG | _filter_qemu_io 7489d22bc3SStefan Hajnoczi 7589d22bc3SStefan Hajnoczi# success, all done 7689d22bc3SStefan Hajnocziecho "*** done" 7789d22bc3SStefan Hajnoczirm -f $seq.full 7889d22bc3SStefan Hajnoczistatus=0 79