From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8431FC433E0 for ; Wed, 27 May 2020 14:37:38 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4B09B207D8 for ; Wed, 27 May 2020 14:37:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="a/RYQz/B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B09B207D8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jdxBZ-0006lQ-Ex for qemu-devel@archiver.kernel.org; Wed, 27 May 2020 10:37:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdxAd-0005y1-DL for qemu-devel@nongnu.org; Wed, 27 May 2020 10:36:39 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:34403 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jdxAc-0003e9-OY for qemu-devel@nongnu.org; Wed, 27 May 2020 10:36:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590590198; 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=A0YiRCCQVyRX4Yfd5csRDtsOZtlp+horQF41aUZ07xM=; b=a/RYQz/BDGu+hyIOv3atT807fw7VoJWVcUbok08MQlkUFpKnbh89XLIhxfeG5lGvMelAoQ Hru1Z9dtw2Xx6GiOWlsJrSSnv8hPWsy4Zk5FFIGqlWPXnG/HNPf0KMJmTve6+s1DNHvVha 0B4m7a5JX4GgkDzfArAh1TwQY4fyQ3A= 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-493-rMNYJ8TRO2qUApmORyRw6w-1; Wed, 27 May 2020 10:36:27 -0400 X-MC-Unique: rMNYJ8TRO2qUApmORyRw6w-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 094AD1005510; Wed, 27 May 2020 14:36:26 +0000 (UTC) Received: from [10.3.112.88] (ovpn-112-88.phx2.redhat.com [10.3.112.88]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 028ED5C1B0; Wed, 27 May 2020 14:36:15 +0000 (UTC) Subject: Re: [PATCH v6 2/5] block: consolidate blocksize properties consistency checks To: Roman Kagan , qemu-devel@nongnu.org References: <20200527124511.986099-1-rvkagan@yandex-team.ru> <20200527124511.986099-3-rvkagan@yandex-team.ru> From: Eric Blake Organization: Red Hat, Inc. Message-ID: Date: Wed, 27 May 2020 09:36:14 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200527124511.986099-3-rvkagan@yandex-team.ru> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/27 00:45:05 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [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, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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 , Fam Zheng , Stefano Stabellini , =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , Eduardo Habkost , qemu-block@nongnu.org, Paul Durrant , John Snow , "Michael S. Tsirkin" , Laurent Vivier , Max Reitz , Keith Busch , Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini , Anthony Perard , xen-devel@lists.xenproject.org, =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/27/20 7:45 AM, Roman Kagan wrote: > Several block device properties related to blocksize configuration must > be in certain relationship WRT each other: physical block must be no > smaller than logical block; min_io_size, opt_io_size, and > discard_granularity must be a multiple of a logical block. > > To ensure these requirements are met, add corresponding consistency > checks to blkconf_blocksizes, adjusting its signature to communicate > possible error to the caller. Also remove the now redundant consistency > checks from the specific devices. > > Signed-off-by: Roman Kagan > --- Reviewed-by: Eric Blake -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org