From nobody Mon Feb 9 07:43:28 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.zohomail.com; dkim=fail; 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1513343269944645.6373965576576; Fri, 15 Dec 2017 05:07:49 -0800 (PST) Received: from localhost ([::1]:46123 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ePpiI-0003iQ-Cw for importer@patchew.org; Fri, 15 Dec 2017 08:07:42 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ePpVG-0000Wg-GT for qemu-devel@nongnu.org; Fri, 15 Dec 2017 07:54:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ePpVC-0003JJ-TJ for qemu-devel@nongnu.org; Fri, 15 Dec 2017 07:54:14 -0500 Received: from fanzine.igalia.com ([91.117.99.155]:48091) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ePpVA-0003CM-TZ; Fri, 15 Dec 2017 07:54:10 -0500 Received: from [192.168.12.179] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1ePpV8-00084Y-CH; Fri, 15 Dec 2017 13:54:06 +0100 Received: from berto by perseus.local with local (Exim 4.89) (envelope-from ) id 1ePpV8-0004E8-5X; Fri, 15 Dec 2017 14:54:06 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=References:In-Reply-To:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=LTsmrnxQabVo35oVdbx/clc+f3cmn1tQ/AO1BIWOCtU=; b=JfzKn31QBQ7oV6gDrqhbEJZAhCnOGbKO1A6pOKycyZPUOV9N0EgQMfux9WguUnbnkRS+EBeZBSQGkop6Octba8PEOhAAYhJvuU/LsyCcuGYVgS3RuY4AnHSsozQ29Ffw/9NCh2fZNK8TX2D86AQEAAAPJrz393zhLyG3MLn6WYH3HPbcK5HL9xx1UzL0ty+8V5MA+5xAI+2jvLzlYXY0IYmF7wvFN0nKb3urraXXAbGOiLpUn5tE8BUsDpoAW1Vz+7f3mk2/RAzmYdUI0TWFNMaBUVk3uAGRmNUBBikuUVGXoQY5RwyzhR8S4Yb8bGsIHB9C0vAQtze4KabhxAvSUA==; From: Alberto Garcia To: qemu-devel@nongnu.org Date: Fri, 15 Dec 2017 13:53:56 +0100 Message-Id: <93ac7be373e194f4dfcc73c0bea96bd1c00209da.1513342045.git.berto@igalia.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 91.117.99.155 Subject: [Qemu-devel] [PATCH v2 28/32] qcow2: Rename l2_table in count_contiguous_clusters() 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 , "Denis V . Lunev" , 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) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This function doesn't need any changes to support L2 slices, but since it's now dealing with slices intead of full tables, the l2_table variable is renamed for clarity. Signed-off-by: Alberto Garcia Reviewed-by: Eric Blake --- block/qcow2-cluster.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index 0afe4eda13..3deb132fa4 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -371,19 +371,19 @@ fail: } =20 /* - * Checks how many clusters in a given L2 table are contiguous in the image + * Checks how many clusters in a given L2 slice are contiguous in the image * file. As soon as one of the flags in the bitmask stop_flags changes com= pared * to the first cluster, the search is stopped and the cluster is not coun= ted * as contiguous. (This allows it, for example, to stop at the first compr= essed * cluster which may require a different handling) */ static int count_contiguous_clusters(int nb_clusters, int cluster_size, - uint64_t *l2_table, uint64_t stop_flags) + uint64_t *l2_slice, uint64_t stop_flags) { int i; QCow2ClusterType first_cluster_type; uint64_t mask =3D stop_flags | L2E_OFFSET_MASK | QCOW_OFLAG_COMPRESSED; - uint64_t first_entry =3D be64_to_cpu(l2_table[0]); + uint64_t first_entry =3D be64_to_cpu(l2_slice[0]); uint64_t offset =3D first_entry & mask; =20 if (!offset) { @@ -396,7 +396,7 @@ static int count_contiguous_clusters(int nb_clusters, i= nt cluster_size, first_cluster_type =3D=3D QCOW2_CLUSTER_ZERO_ALLOC); =20 for (i =3D 0; i < nb_clusters; i++) { - uint64_t l2_entry =3D be64_to_cpu(l2_table[i]) & mask; + uint64_t l2_entry =3D be64_to_cpu(l2_slice[i]) & mask; if (offset + (uint64_t) i * cluster_size !=3D l2_entry) { break; } --=20 2.11.0