From nobody Sun Apr 13 17:14:34 2025 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; 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1538415431770619.8896618682004; Mon, 1 Oct 2018 10:37:11 -0700 (PDT) Received: from localhost ([::1]:39922 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g7286-0007Cw-Ha for importer@patchew.org; Mon, 01 Oct 2018 13:37:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57901) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g71rD-0002X5-FF for qemu-devel@nongnu.org; Mon, 01 Oct 2018 13:19:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g71rB-0007JR-Nr for qemu-devel@nongnu.org; Mon, 01 Oct 2018 13:19:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37048) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g71r7-00071d-8L; Mon, 01 Oct 2018 13:19:37 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 859C0C049E3A; Mon, 1 Oct 2018 17:19:23 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-246.ams2.redhat.com [10.36.116.246]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7072A78915; Mon, 1 Oct 2018 17:19:22 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Mon, 1 Oct 2018 19:18:51 +0200 Message-Id: <20181001171901.11004-14-kwolf@redhat.com> In-Reply-To: <20181001171901.11004-1-kwolf@redhat.com> References: <20181001171901.11004-1-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 01 Oct 2018 17:19:23 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 13/23] qcow2: Make sizes more humanly readable 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: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Leonid Bloch Signed-off-by: Leonid Bloch Reviewed-by: Alberto Garcia Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block/qcow2.h | 9 +++++---- block/qcow2.c | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/block/qcow2.h b/block/qcow2.h index 81b844e936..a8d6f757b1 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -27,6 +27,7 @@ =20 #include "crypto/block.h" #include "qemu/coroutine.h" +#include "qemu/units.h" =20 //#define DEBUG_ALLOC //#define DEBUG_ALLOC2 @@ -43,11 +44,11 @@ =20 /* 8 MB refcount table is enough for 2 PB images at 64k cluster size * (128 GB for 512 byte clusters, 2 EB for 2 MB clusters) */ -#define QCOW_MAX_REFTABLE_SIZE 0x800000 +#define QCOW_MAX_REFTABLE_SIZE S_8MiB =20 /* 32 MB L1 table is enough for 2 PB images at 64k cluster size * (128 GB for 512 byte clusters, 2 EB for 2 MB clusters) */ -#define QCOW_MAX_L1_SIZE 0x2000000 +#define QCOW_MAX_L1_SIZE S_32MiB =20 /* Allow for an average of 1k per snapshot table entry, should be plenty of * space for snapshot names and IDs */ @@ -75,9 +76,9 @@ =20 /* Whichever is more */ #define DEFAULT_L2_CACHE_CLUSTERS 8 /* clusters */ -#define DEFAULT_L2_CACHE_BYTE_SIZE 1048576 /* bytes */ +#define DEFAULT_L2_CACHE_SIZE S_1MiB =20 -#define DEFAULT_CLUSTER_SIZE 65536 +#define DEFAULT_CLUSTER_SIZE S_64KiB =20 =20 #define QCOW2_OPT_LAZY_REFCOUNTS "lazy-refcounts" diff --git a/block/qcow2.c b/block/qcow2.c index c13153735a..d2c07ce9fe 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -830,7 +830,7 @@ static void read_cache_sizes(BlockDriverState *bs, Qemu= Opts *opts, } } else { if (!l2_cache_size_set) { - *l2_cache_size =3D MAX(DEFAULT_L2_CACHE_BYTE_SIZE, + *l2_cache_size =3D MAX(DEFAULT_L2_CACHE_SIZE, (uint64_t)DEFAULT_L2_CACHE_CLUSTERS * s->cluster_size); } --=20 2.13.6