From patchwork Wed Jun 10 15:02:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alberto Garcia X-Patchwork-Id: 1307007 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=igalia.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.a=rsa-sha256 header.s=20170329 header.b=S+NjU1Y8; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49hr3K3c9xz9sQx for ; Thu, 11 Jun 2020 01:08:29 +1000 (AEST) Received: from localhost ([::1]:60056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jj2L5-0007pk-3Y for incoming@patchwork.ozlabs.org; Wed, 10 Jun 2020 11:08:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36138) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jj2Gu-0002fW-Ph; Wed, 10 Jun 2020 11:04:08 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:58074) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jj2Gr-0006w0-Ep; Wed, 10 Jun 2020 11:04:08 -0400 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=PelaHdUpXyQLyETSNjZxQedA2munXec4UfgCc0HKoeA=; b=S+NjU1Y8CDLgM9AQC08vuWqBZ44iwVtWa19KnJIw2cPrwEaGyBQKLPQtHQkrXwnEyr51WL2eLu1FtRv3XmCuNEtqwgWMEj/MsGvg8W9Wv8GxvEEZOY+k7Tt21JbrznzVDqPNHuV53G3IgROjeuTkuIR38LFDnKa9pB2YHV5xwJuTWiTfkjKA9lR1SNJeWWEZHdI84+3I/iw9MCPzoKlug51CaHtbuiEtgblCkLcvs2fXRoe50yp4cQpY4XXpGWJ5LZPKFdP2uiQZ9H3kClBwnlKHWhQKu00BNJLpzq0oEMCgXKs2OLN3/GC6zWt+S0alvXxgwFAq0gLogjJL20IsOg==; Received: from [81.0.38.199] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1jj2GR-0007gw-DE; Wed, 10 Jun 2020 17:03:39 +0200 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1jj2GC-0007N7-4D; Wed, 10 Jun 2020 17:03:24 +0200 From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v8 16/34] qcow2: Add qcow2_cluster_is_allocated() Date: Wed, 10 Jun 2020 17:02:54 +0200 Message-Id: X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 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 = 2020/06/10 11:03:39 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 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 3aec6f452a..ea647c8bb5 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -780,6 +780,12 @@ QCow2SubclusterType qcow2_get_subcluster_type(BlockDriverState *bs, } } +static inline bool qcow2_cluster_is_allocated(QCow2ClusterType type) +{ + return (type == QCOW2_CLUSTER_COMPRESSED || type == QCOW2_CLUSTER_NORMAL || + type == QCOW2_CLUSTER_ZERO_ALLOC); +} + /* Check whether refcounts are eager or lazy */ static inline bool qcow2_need_accurate_refcounts(BDRVQcow2State *s) {