diff options
Diffstat (limited to 'tests/qemu-iotests/034')
| -rwxr-xr-x | tests/qemu-iotests/034 | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/tests/qemu-iotests/034 b/tests/qemu-iotests/034 new file mode 100755 index 0000000000..8254df82ba --- /dev/null +++ b/tests/qemu-iotests/034 @@ -0,0 +1,113 @@ +#!/bin/bash +# +# Test bdrv_write_zeroes with backing files +# +# Copyright (C) 2012 Red Hat, Inc. +# +# 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=kwolf@redhat.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 qcow qcow2 vmdk qed +_supported_proto generic +_supported_os Linux + +CLUSTER_SIZE=4k +size=128M + +echo +echo "== creating backing file for COW tests ==" + +_make_test_img $size +$QEMU_IO -c "write -P 0x55 0 1M" $TEST_IMG | _filter_qemu_io +mv $TEST_IMG $TEST_IMG.base + +_make_test_img -b $TEST_IMG.base 6G + +echo +echo "== zero write with backing file ==" +$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "write -z 513k 13k" $TEST_IMG | _filter_qemu_io + +_check_test_img + +echo +echo "== verifying patterns (3) ==" +$QEMU_IO -c "read -P 0x55 0 64k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x55 256k 257k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io + +echo +echo "== overwriting zero cluster ==" +$QEMU_IO -c "write -P 0xa 60k 8k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "write -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "write -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "write -P 0xd 252k 8k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "write -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io + +_check_test_img + +echo +echo "== verifying patterns (4) ==" +$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xb 64k 8k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 72k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xc 76k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 80k 168k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xe 248k 8k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x55 260k 64k" $TEST_IMG | _filter_qemu_io + +echo +echo "== re-zeroing overwritten area ==" +$QEMU_IO -c "write -z 64k 192k" $TEST_IMG | _filter_qemu_io + +_check_test_img + +echo +echo "== verifying patterns (5) ==" +$QEMU_IO -c "read -P 0x55 0 60k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xa 60k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 64k 192k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0xd 256k 4k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x55 260k 253k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x0 513k 13k" $TEST_IMG | _filter_qemu_io +$QEMU_IO -c "read -P 0x55 526k 498k" $TEST_IMG | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |