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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47306 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ligmL-0008V3-3i for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 13:11:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45406) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ligks-0005Mq-Nk for qemu-devel@nongnu.org; Mon, 17 May 2021 13:10:10 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:57208) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ligkp-0004w7-SL for qemu-devel@nongnu.org; Mon, 17 May 2021 13:10:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621271406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RgRtaO8KMayXe4ZuEfEy2X+jkRCRMYuWdT/akRR06vM=; b=KPrUJS5FY61wPC3WBp9wnFuG6Hfi6KEeV34zJWOYaUfRWH425hX2dPI6wFx69dyLDErxey U2/4szETKiAUNmh/khPAa1b3+Wz3gCr+H/R+ZNqF+vnXa6RUbZE++XQu8/t6S/fH+EpbwX 5CzcB+9Lqc6cREkNXrl2VektSOAD+7A= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-227-TiA2-2GVMTOMhp3Fq83xmQ-1; Mon, 17 May 2021 13:10:03 -0400 X-MC-Unique: TiA2-2GVMTOMhp3Fq83xmQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4FCF76414C; Mon, 17 May 2021 17:10:02 +0000 (UTC) Received: from dresden.str.redhat.com (ovpn-113-29.ams2.redhat.com [10.36.113.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 285D85D9F2; Mon, 17 May 2021 17:09:58 +0000 (UTC) Subject: Re: [PATCH 09/21] block/backup: move cluster size calculation to block-copy To: Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org References: <20210517064428.16223-1-vsementsov@virtuozzo.com> <20210517064428.16223-11-vsementsov@virtuozzo.com> From: Max Reitz Message-ID: <53b6515a-0805-fa51-5a3c-de02890f028e@redhat.com> Date: Mon, 17 May 2021 19:09:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210517064428.16223-11-vsementsov@virtuozzo.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: kwolf@redhat.com, berrange@redhat.com, ehabkost@redhat.com, jsnow@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com, den@openvz.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 17.05.21 08:44, Vladimir Sementsov-Ogievskiy wrote: > The main consumer of cluster-size is block-copy. Let's calculate it > here instead of passing through backup-top. > > We are going to publish copy-before-write filter soon, so it will be > created through options. But we don't want for now to make explicit > option for cluster-size, let's continue to calculate it automatically. > So, now is the time to get rid of cluster_size argument for > bdrv_cbw_append(). > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > block/copy-before-write.h | 1 - > include/block/block-copy.h | 5 ++-- > block/backup.c | 58 ++++++-------------------------------- > block/block-copy.c | 47 +++++++++++++++++++++++++++++- > block/copy-before-write.c | 10 +++---- > 5 files changed, 62 insertions(+), 59 deletions(-) Reviewed-by: Max Reitz