From patchwork Tue May 10 02:50:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 9053411 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 408A8BF29F for ; Tue, 10 May 2016 02:55:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AAC0F20142 for ; Tue, 10 May 2016 02:55:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F40292012B for ; Tue, 10 May 2016 02:55:30 +0000 (UTC) Received: from localhost ([::1]:44101 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1azxpa-0007ot-5B for patchwork-qemu-devel@patchwork.kernel.org; Mon, 09 May 2016 22:55:30 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58903) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1azxlq-0000YE-HP for qemu-devel@nongnu.org; Mon, 09 May 2016 22:51:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1azxlj-0004Vd-Ad for qemu-devel@nongnu.org; Mon, 09 May 2016 22:51:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34090) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1azxlb-0004UM-I0; Mon, 09 May 2016 22:51:23 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0BBAD3B703; Tue, 10 May 2016 02:51:23 +0000 (UTC) Received: from ad.usersys.redhat.com (dhcp-15-133.nay.redhat.com [10.66.15.133]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4A2ovUq023061; Mon, 9 May 2016 22:51:19 -0400 From: Fam Zheng To: qemu-devel@nongnu.org Date: Tue, 10 May 2016 10:50:37 +0800 Message-Id: <1462848659-28659-6-git-send-email-famz@redhat.com> In-Reply-To: <1462848659-28659-1-git-send-email-famz@redhat.com> References: <1462848659-28659-1-git-send-email-famz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Tue, 10 May 2016 02:51:23 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 05/27] block: Add bdrv_image_locked 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, rjones@redhat.com, John Snow , Jeff Cody , Markus Armbruster , Max Reitz , stefanha@redhat.com, den@openvz.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Fam Zheng --- block.c | 5 +++++ include/block/block.h | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/block.c b/block.c index 16c7d58..bb7ebed 100644 --- a/block.c +++ b/block.c @@ -880,6 +880,11 @@ static int bdrv_unlock_image(BlockDriverState *bs) return bdrv_lock_unlock_image_do(bs, false); } +bool bdrv_image_locked(BlockDriverState *bs) +{ + return bs->image_locked; +} + static QemuOptsList bdrv_runtime_opts = { .name = "bdrv_common", .head = QTAILQ_HEAD_INITIALIZER(bdrv_runtime_opts.head), diff --git a/include/block/block.h b/include/block/block.h index b803597..bd623d9 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -282,7 +282,7 @@ int bdrv_drop_intermediate(BlockDriverState *active, BlockDriverState *top, BlockDriverState *bdrv_find_overlay(BlockDriverState *active, BlockDriverState *bs); BlockDriverState *bdrv_find_base(BlockDriverState *bs); - +bool bdrv_image_locked(BlockDriverState *bs); typedef struct BdrvCheckResult { int corruptions;