From nobody Mon Feb 9 10:50:07 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=1593342587; cv=none; d=zohomail.com; s=zohoarc; b=U/arWaCSs/3KtUb1jdF47CHhCfymCIvWImfl0fcJMZ3alRkMw5kIkzwNjIFIPYus5oiPjci1dFD1BLD0Bb5uOoAG0YuPRv7QlFZdvK5FzT11biPdeUSTP2PFKvyqQ5acI+5t1LJc+XsLSIdfBtp25FJdQLoOJk9oWHBN4tsUKbc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1593342587; 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=FLnW2yKPd876mhIBSmNOIZZESH7oUMAItbps7FGNKa4=; b=J6g5xHiZUNDGfUSQtxmjm7U/YDzTvZnjkbYjvJjVqBMhRZaUY722hhlt1KfEx+bdb44qE+A8iytkBvJAaVx3LiEKskOY1yYXfX/XsQOVQzgcJhjtJVjP+0N1EfzAsIdl7aIfMTiIx0T1h/AXmmbjV1v6omwlzSB3OrU9pvxSZtY= 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 1593342587037796.1615158192667; Sun, 28 Jun 2020 04:09:47 -0700 (PDT) Received: from localhost ([::1]:34666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jpVBx-0008HH-PP for importer@patchew.org; Sun, 28 Jun 2020 07:09:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47846) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpV66-000717-5M; Sun, 28 Jun 2020 07:03:42 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:42244) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jpV5y-0000WY-3o; Sun, 28 Jun 2020 07:03:41 -0400 Received: from 26.red-79-158-236.dynamicip.rima-tde.net ([79.158.236.26] helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1jpV5X-0002gU-CN; Sun, 28 Jun 2020 13:03:07 +0200 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1jpV5H-00038N-Mn; Sun, 28 Jun 2020 13:02:51 +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=FLnW2yKPd876mhIBSmNOIZZESH7oUMAItbps7FGNKa4=; b=dPKxX884d6m0QSfRu6LkOxBJtVKBFXkNsjyXo6TfC3Y93FpRDLQDtNn9ctDzbyfw27d7ysoXH97K2fyw+HW5KNYuV8EVuXSxgZMzIujUi9KxX2/jxpbx7wUnJGNSqEGaeGzobVU50Hqmg4NrVS7Xp61d0lNurWWNwlk4gPke5iazQ0LDiR283YCKZNO4vByiWOSvvZv36CpJFVohdf4NvIvZYD/8zZ/F1ldvOY2B75UnprvjECgDl8511WLgHRGif+6Tp+biYrLmZ456IJ3SIuIpcDGkxgEBYkxS6uEobvzYBu1H1BEwCyKdRzxC9rHOU8Yt/WhNNRM85tROfRmDlA==; From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v9 08/34] qcow2: Add dummy has_subclusters() function Date: Sun, 28 Jun 2020 13:02:17 +0200 Message-Id: <51ecdcef699bab9791800e48c4b35cfbd5f953c8.1593342067.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 = 2020/06/28 07:03:08 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=_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, 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 function will be used by the qcow2 code to check if an image has subclusters or not. At the moment this simply returns false. Once all patches needed for subcluster support are ready then QEMU will be able to create and read images with subclusters and this function will return the actual value. Signed-off-by: Alberto Garcia Reviewed-by: Eric Blake Reviewed-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/qcow2.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/qcow2.h b/block/qcow2.h index eecbadc4cb..2064dd3d85 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -510,6 +510,12 @@ typedef enum QCow2MetadataOverlap { =20 #define INV_OFFSET (-1ULL) =20 +static inline bool has_subclusters(BDRVQcow2State *s) +{ + /* FIXME: Return false until this feature is complete */ + return false; +} + static inline uint64_t get_l2_entry(BDRVQcow2State *s, uint64_t *l2_slice, int idx) { --=20 2.20.1