From nobody Mon Feb 9 12:54:17 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1594398576; cv=none; d=zohomail.com; s=zohoarc; b=QgX86UGnyoCo443o96Op/vhMxD017BacO3w+2bIvbuNWfDpsRW+0S1917jdsrPWRRFUoobJiTZ+3AvWQKbqgzbbrAZSz1aHmHg8frHnWWsDPWtSpyxIotsLk+SfKArJGfFnrvwILzQSlqmqUemPZTLwpGofQBNQtYTyHxY1NIxY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1594398576; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=AqMxC9rS7M2uuNi8b9+yg1HxSPKbRa+AtqgmAQMdwXU=; b=UMhO5UdxeKqb1M69Doo8Bp1RLUjZxOoptZOLKKlg1HAWCcIr1RUVh18o7Db1w1gSJEGzebsJfGAvms0dNMLgsQLDOYGs5y2kztam+ijar4GyieUA/W721moCtPQWGC+vZWlrmW93lfzzzOQHqVq0WQwEfU6a9OrpNCaWQcP07fM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1594398576206925.8331086643323; Fri, 10 Jul 2020 09:29:36 -0700 (PDT) Received: from localhost ([::1]:57848 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtvu3-0006cB-0u for importer@patchew.org; Fri, 10 Jul 2020 12:29:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42764) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtvfR-0003Cn-CE; Fri, 10 Jul 2020 12:14:29 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:43745) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jtvfJ-0004vk-KO; Fri, 10 Jul 2020 12:14:28 -0400 Received: from [81.0.43.0] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1jtvea-0003jj-Gt; Fri, 10 Jul 2020 18:13:36 +0200 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1jtveL-0001Qn-3J; Fri, 10 Jul 2020 18:13:21 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=AqMxC9rS7M2uuNi8b9+yg1HxSPKbRa+AtqgmAQMdwXU=; b=UWSa9+UrSr9CkzSzclxOlWssBJO3r9Szik6dygySKMRHP3dWCKIHe9ZXC2xZdG/5lO8Z3zNxg+neNtWZHHOzlLJU0kIP0mRzUVXxckjULyeCUObDXkUu31+9c+chypN8K4AbgAlhL2O1Su6FcUyOV+c4WFGH52x15mg4Al4GNLtdA7o81YC0aRFXpuWFWPy0Uo9b0vXRGl1a7WAw4IRP0Y7Onx9FYc53hTvTtkuiqLzBqGYeozaNp7XJKB4C00JQy0JSQanE+nppNv4NeY/5ocxBQf/HOiC4eAk6wDoe+IUscS3TzkTibXxTeLOgt9qRzt4EMuLYBSfW1cCI89RFlw==; From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v11 16/34] qcow2: Add qcow2_cluster_is_allocated() Date: Fri, 10 Jul 2020 18:12:58 +0200 Message-Id: <6d8771c5c79cbdc6c519875a5078e1cc85856d63.1594396418.git.berto@igalia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=178.60.130.6; envelope-from=berto@igalia.com; helo=fanzine.igalia.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/10 12:13:35 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Alberto Garcia , qemu-block@nongnu.org, Derek Su , Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This helper function tells us if a cluster is allocated (that is, there is an associated host offset for it). Signed-off-by: Alberto Garcia Reviewed-by: Eric Blake Reviewed-by: Max Reitz --- block/qcow2.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/qcow2.h b/block/qcow2.h index 3aec6f452a..ea647c8bb5 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -780,6 +780,12 @@ QCow2SubclusterType qcow2_get_subcluster_type(BlockDri= verState *bs, } } =20 +static inline bool qcow2_cluster_is_allocated(QCow2ClusterType type) +{ + return (type =3D=3D QCOW2_CLUSTER_COMPRESSED || type =3D=3D QCOW2_CLUS= TER_NORMAL || + type =3D=3D QCOW2_CLUSTER_ZERO_ALLOC); +} + /* Check whether refcounts are eager or lazy */ static inline bool qcow2_need_accurate_refcounts(BDRVQcow2State *s) { --=20 2.20.1