From patchwork Mon Mar 18 14:39:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 228667 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 9C0EE2C00A5 for ; Tue, 19 Mar 2013 01:40:42 +1100 (EST) Received: from localhost ([::1]:57041 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UHbEu-0007zX-Qt for incoming@patchwork.ozlabs.org; Mon, 18 Mar 2013 10:40:40 -0400 Received: from eggs.gnu.org ([208.118.235.92]:55374) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UHbEG-0007ln-OE for qemu-devel@nongnu.org; Mon, 18 Mar 2013 10:40:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UHbE7-0005T2-AZ for qemu-devel@nongnu.org; Mon, 18 Mar 2013 10:40:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27964) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UHbE7-0005Sn-42 for qemu-devel@nongnu.org; Mon, 18 Mar 2013 10:39:51 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r2IEdocU006245 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 18 Mar 2013 10:39:50 -0400 Received: from localhost (ovpn-112-20.ams2.redhat.com [10.36.112.20]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r2IEdn2T014784; Mon, 18 Mar 2013 10:39:49 -0400 From: Stefan Hajnoczi To: Date: Mon, 18 Mar 2013 15:39:42 +0100 Message-Id: <1363617582-24948-3-git-send-email-stefanha@redhat.com> In-Reply-To: <1363617582-24948-1-git-send-email-stefanha@redhat.com> References: <1363617582-24948-1-git-send-email-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Kevin Wolf , rjones@redhat.com, Stefan Hajnoczi Subject: [Qemu-devel] [PATCH 2/2] qemu-iotests: add 052 BDRV_O_SNAPSHOT test X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Check that writes to an image opened with BDRV_O_SNAPSHOT do not modify the underlying image file. Signed-off-by: Stefan Hajnoczi --- tests/qemu-iotests/052 | 61 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/052.out | 13 ++++++++++ tests/qemu-iotests/group | 1 + 3 files changed, 75 insertions(+) create mode 100755 tests/qemu-iotests/052 create mode 100644 tests/qemu-iotests/052.out diff --git a/tests/qemu-iotests/052 b/tests/qemu-iotests/052 new file mode 100755 index 0000000..14a5126 --- /dev/null +++ b/tests/qemu-iotests/052 @@ -0,0 +1,61 @@ +#!/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 generic +_supported_os Linux + + +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 diff --git a/tests/qemu-iotests/052.out b/tests/qemu-iotests/052.out new file mode 100644 index 0000000..8617aa2 --- /dev/null +++ b/tests/qemu-iotests/052.out @@ -0,0 +1,13 @@ +QA output created by 052 +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 + +== reading whole image == +read 134217728/134217728 bytes at offset 0 +128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +== writing whole image does not modify image == +wrote 134217728/134217728 bytes at offset 0 +128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 134217728/134217728 bytes at offset 0 +128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index fcf57e0..a496e2c 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -56,3 +56,4 @@ 047 rw auto 048 img auto quick 049 rw auto +052 rw auto backing