From nobody Fri Nov 14 16:59:30 2025 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=1588700731; cv=none; d=zohomail.com; s=zohoarc; b=klfAXe6Ddsel5IoWHSKpdBzioUc1jvUOM46VjdccpgzjG2Bzft3XoTspS8gmCo0kQTttPbNO27c3oME0SAnR12ttbfaNG6F8lp6WJsdR8Jw1BDOhqAqOO2M7d4NGj7+4fZoFaRnh6hr/svP+NW9n7OlZ+zyi7ub4PDff51IFvbE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1588700731; 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=bOJpekKFhanaXAtJJocx2835CzPNarsQuYYCr3xcRi0=; b=jumSUf298ohJxs9dt/6vMvrAHzkVLnX3aFIRUr3XRnTg3yyRKcEGYad/UgyUZOTW7r2TzQ8iDTKIyEnnEQ4Ji6OXtEscpjP85m75GNVc82IfyCY0i0CcpBIXw8/J+pgg/Lnd71YXxNHIjfUn5k9G2Oz/AZqXO/V3jZrJ9O6l4fI= 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 1588700731687898.4079208216779; Tue, 5 May 2020 10:45:31 -0700 (PDT) Received: from localhost ([::1]:56260 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jW1dK-0007To-DF for importer@patchew.org; Tue, 05 May 2020 13:45:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44086) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jW1Xd-0006qv-7M; Tue, 05 May 2020 13:39:37 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:38804) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jW1Xb-00089b-Ka; Tue, 05 May 2020 13:39:36 -0400 Received: from static.160.43.0.81.ibercom.com ([81.0.43.160] helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1jW1Ws-00025P-A8; Tue, 05 May 2020 19:38:50 +0200 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1jW1Wc-000441-TM; Tue, 05 May 2020 19:38:34 +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=bOJpekKFhanaXAtJJocx2835CzPNarsQuYYCr3xcRi0=; b=NyLt9hpiNOTWf4zZsNrhm9Gn5GU62dJiPgR2TSQieUMnVACETwe2MQrJA0tTNC/d7ObHHZY0ipWH88tPei3QiY8B76Vjqqlyqmsbf424VKuJRJDLavX77Y6zInljBp0kG1uBuqUaLLSCSokW1QhKrQeLKszK01DLZKIEQgeJWx9re9M1+b2nrL6Fa7gWjznAftbZ0lDPD6/PyP5y3LXERRzi/JPxK4iv2hGCJIYrdXJdgkXpNV21H2EYOR0UuQYqPukXFKJ5Q5GD5Xml3GosdbHdxEzAqCfkT7t3m6Uz/k/B+QUtQUntAjZY6bvM3ECsjVPAaoPdEaUYVkWfI1Z/ug==; From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v5 15/31] qcow2: Add qcow2_cluster_is_allocated() Date: Tue, 5 May 2020 19:38:15 +0200 Message-Id: <020c6e625af4fcf64859c4f37f11d04efbebb0aa.1588699789.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 = 2020/05/05 13:38:50 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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, 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 --- block/qcow2.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/qcow2.h b/block/qcow2.h index be7816a3b8..b5db8d2f36 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -763,6 +763,12 @@ 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