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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 EDD5CC433ED for ; Tue, 11 May 2021 17:56:33 +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 28FE560C3F for ; Tue, 11 May 2021 17:56:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28FE560C3F 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]:34226 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgWcR-0002QO-Se for qemu-devel@archiver.kernel.org; Tue, 11 May 2021 13:56:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35706) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgWbC-0001cF-6e for qemu-devel@nongnu.org; Tue, 11 May 2021 13:55:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:33421) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgWb5-00048t-8O for qemu-devel@nongnu.org; Tue, 11 May 2021 13:55:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620755702; 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=w0c/UaA2UbkBYFB5SMK78GBcCzkrY1MJgqFCj7xjw0I=; b=Aqq2Uu73qXDejwsk4LgSENyUQGsOKHalcZIlpnDWAIep2CNF/LQqEWuqT/rQ1RH2gMiExc 3d2Bmz4xozwjW4Bo4v3idlnXOY812AOVOxoD/2Lv+sjYjX4wmmCEdKZ/JlQTAJlV0DE4zr L9AnFF+G1vFCSHwwDCFlIDimx845O+E= 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-387-tC7Yq9UCNS-fxSG9h5mwhw-1; Tue, 11 May 2021 13:54:58 -0400 X-MC-Unique: tC7Yq9UCNS-fxSG9h5mwhw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 970AD106BB31; Tue, 11 May 2021 17:54:56 +0000 (UTC) Received: from [10.3.114.221] (ovpn-114-221.phx2.redhat.com [10.3.114.221]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9C3715D6A8; Tue, 11 May 2021 17:54:44 +0000 (UTC) Subject: Re: [PATCH v4 01/11] block/io: bring request check to bdrv_co_{read,write}v_vmstate To: Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org References: <20210324205132.464899-1-vsementsov@virtuozzo.com> <20210324205132.464899-2-vsementsov@virtuozzo.com> From: Eric Blake Organization: Red Hat, Inc. Message-ID: <4243c820-14fa-3782-4b90-f11c41d89d3d@redhat.com> Date: Tue, 11 May 2021 12:54:43 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20210324205132.464899-2-vsementsov@virtuozzo.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.699, 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=unavailable 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: fam@euphon.net, kwolf@redhat.com, integration@gluster.org, berto@igalia.com, stefanha@redhat.com, pavel.dovgaluk@ispras.ru, sw@weilnetz.de, pl@kamp.de, qemu-devel@nongnu.org, mreitz@redhat.com, jsnow@redhat.com, ronniesahlberg@gmail.com, pbonzini@redhat.com, namei.unix@gmail.com, dillaman@redhat.com, ari@tuxera.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/24/21 3:51 PM, Vladimir Sementsov-Ogievskiy wrote: > There are only two drivers supporting vmstate: qcow2 and sheepdog. > Sheepdog is deprecated. In qcow2 these requests go through > .bdrv_co_p{read,write}v_part handlers. > > So, let's do our basic check for the request on vmstate generic > handlers. > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > block/io.c | 18 ++++++++++++++++-- > 1 file changed, 16 insertions(+), 2 deletions(-) > Reviewed-by: Eric Blake -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org