From nobody Tue Feb 10 20:28:24 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1493177775069580.5224836662802; Tue, 25 Apr 2017 20:36:15 -0700 (PDT) Received: from localhost ([::1]:52405 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3DkT-0003aN-PQ for importer@patchew.org; Tue, 25 Apr 2017 23:36:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43135) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3Dik-0002GJ-NR for qemu-devel@nongnu.org; Tue, 25 Apr 2017 23:34:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d3Dik-0001YJ-0J for qemu-devel@nongnu.org; Tue, 25 Apr 2017 23:34:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56552) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d3Dih-0001Xe-T1; Tue, 25 Apr 2017 23:34:23 -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 CD1839330E; Wed, 26 Apr 2017 03:34:22 +0000 (UTC) Received: from lemon.redhat.com (ovpn-8-31.pek2.redhat.com [10.72.8.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id 930081714E; Wed, 26 Apr 2017 03:34:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com CD1839330E Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=famz@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com CD1839330E From: Fam Zheng To: qemu-devel@nongnu.org Date: Wed, 26 Apr 2017 11:33:54 +0800 Message-Id: <20170426033413.17192-3-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 [10.5.110.30]); Wed, 26 Apr 2017 03:34:22 +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 02/21] block: Define BLK_PERM_MAX 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This is the order of the largest possible permission. Signed-off-by: Fam Zheng --- include/block/block.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/block/block.h b/include/block/block.h index eb0565d..a798f10 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -224,6 +224,8 @@ enum { BLK_PERM_ALL =3D 0x1f, }; =20 +#define BLK_PERM_MAX (64 - clz64((uint64_t)BLK_PERM_ALL)) + char *bdrv_perm_names(uint64_t perm); =20 /* disk I/O throttling */ --=20 2.9.3