From patchwork Wed Apr 26 03:34:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 755188 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wCQwR3dpvz9s7j for ; Wed, 26 Apr 2017 13:45:59 +1000 (AEST) Received: from localhost ([::1]:52467 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3Dts-0003SO-SY for incoming@patchwork.ozlabs.org; Tue, 25 Apr 2017 23:45:56 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43579) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3DjU-00030q-51 for qemu-devel@nongnu.org; Tue, 25 Apr 2017 23:35:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d3DjT-0001ox-Dy for qemu-devel@nongnu.org; Tue, 25 Apr 2017 23:35:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37766) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d3DjR-0001mc-2N; Tue, 25 Apr 2017 23:35:09 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 058F1804FA; Wed, 26 Apr 2017 03:35:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 058F1804FA Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=famz@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 058F1804FA Received: from lemon.redhat.com (ovpn-8-31.pek2.redhat.com [10.72.8.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id EE3991758E; Wed, 26 Apr 2017 03:35:05 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Wed, 26 Apr 2017 11:34:08 +0800 Message-Id: <20170426033413.17192-17-famz@redhat.com> In-Reply-To: <20170426033413.17192-1-famz@redhat.com> References: <20170426033413.17192-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 26 Apr 2017 03:35:08 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v15 16/21] file-posix: Add 'locking' option X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Making this option available even before implementing it will let converting tests easier: in coming patches they can specify the option already when necessary, before we actually write code to lock the images. Signed-off-by: Fam Zheng --- block/file-posix.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/block/file-posix.c b/block/file-posix.c index ade71db..2114720 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -392,6 +392,11 @@ static QemuOptsList raw_runtime_opts = { .type = QEMU_OPT_STRING, .help = "host AIO implementation (threads, native)", }, + { + .name = "locking", + .type = QEMU_OPT_BOOL, + .help = "lock the file", + }, { /* end of list */ } }, };