X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftests%2Fqemu-iotests%2F052;fp=qemu%2Ftests%2Fqemu-iotests%2F052;h=61959e286eaf1fd229a4feb5fc7d1dd2c6a9b056;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/tests/qemu-iotests/052 b/qemu/tests/qemu-iotests/052 new file mode 100755 index 000000000..61959e286 --- /dev/null +++ b/qemu/tests/qemu-iotests/052 @@ -0,0 +1,63 @@ +#!/bin/bash +# +# Test bdrv_read/bdrv_write using BDRV_O_SNAPSHOT +# +# Copyright (C) 2013 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 . +# + +# creator +owner=stefanha@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 generic +_supported_proto file +_supported_os Linux + +# Don't do O_DIRECT on tmpfs +_supported_cache_modes "writeback" "writethrough" "unsafe" + +size=128M +_make_test_img $size + +echo +echo "== reading whole image ==" +$QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io + +echo +echo "== writing whole image does not modify image ==" +$QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io +$QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0