From patchwork Wed May 24 02:52:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 9744881 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6EB30602A7 for ; Wed, 24 May 2017 02:54:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5F4D728853 for ; Wed, 24 May 2017 02:54:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 50B4F28863; Wed, 24 May 2017 02:54:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id C182828853 for ; Wed, 24 May 2017 02:54:08 +0000 (UTC) Received: from localhost ([::1]:52353 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDMR5-0000EH-5z for patchwork-qemu-devel@patchwork.kernel.org; Tue, 23 May 2017 22:54:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDMPq-0000CN-9P for qemu-devel@nongnu.org; Tue, 23 May 2017 22:52:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dDMPp-0006hz-MD for qemu-devel@nongnu.org; Tue, 23 May 2017 22:52:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38264) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dDMPn-0006g6-7O; Tue, 23 May 2017 22:52:47 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A07C80C13; Wed, 24 May 2017 02:52:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 2A07C80C13 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=famz@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 2A07C80C13 Received: from lemon.redhat.com (ovpn-12-75.pek2.redhat.com [10.72.12.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0E8075C6CD; Wed, 24 May 2017 02:52:42 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Wed, 24 May 2017 10:52:20 +0800 Message-Id: <20170524025235.32190-2-famz@redhat.com> In-Reply-To: <20170524025235.32190-1-famz@redhat.com> References: <20170524025235.32190-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 24 May 2017 02:52:46 +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 v3 01/16] block: Define BLK_PERM_AIO_CONTEXT_CHANGE 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, Stefan Hajnoczi , Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Fam Zheng --- block.c | 2 ++ include/block/block.h | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/block.c b/block.c index 50ba264..d98662f 100644 --- a/block.c +++ b/block.c @@ -1649,6 +1649,8 @@ char *bdrv_perm_names(uint64_t perm) { BLK_PERM_WRITE_UNCHANGED, "write unchanged" }, { BLK_PERM_RESIZE, "resize" }, { BLK_PERM_GRAPH_MOD, "change children" }, + { BLK_PERM_AIO_CONTEXT_CHANGE, + "aio context change" }, { 0, NULL } }; diff --git a/include/block/block.h b/include/block/block.h index 9b355e9..017d6c8 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -225,7 +225,12 @@ enum { */ BLK_PERM_GRAPH_MOD = 0x10, - BLK_PERM_ALL = 0x1f, + /** + * This permission is required to change the AioContext of this node. + */ + BLK_PERM_AIO_CONTEXT_CHANGE = 0x20, + + BLK_PERM_ALL = 0x3f, }; char *bdrv_perm_names(uint64_t perm);