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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CFB9CC433F5 for ; Mon, 10 Oct 2022 10:53:11 +0000 (UTC) Received: from localhost ([::1]:49008 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ohqPG-0007Sm-W0 for qemu-devel@archiver.kernel.org; Mon, 10 Oct 2022 06:53:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37994) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ohqMd-0005co-1O for qemu-devel@nongnu.org; Mon, 10 Oct 2022 06:50:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:39741) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ohqMZ-0000U1-UK for qemu-devel@nongnu.org; Mon, 10 Oct 2022 06:50:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665399023; 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: in-reply-to:in-reply-to:references:references; bh=BvNmGgUQRx5CpCyC77okwpQdJRk5SNjdpVFrVp+/Cp4=; b=fgDA6nuotQ3omteG2z2NdC5yYURX7cwdJ8bL9wn2Cu2YeTMzxj32ambI3CMS1yZYlpWGiG 0rtNpJgjLK/3TN4HHyKIpJcohzvL0nuKAuiAEQWOaX2nAu8rl0eRF/omlaKaLXpuOfMiaR 0vJGNbv0iOrSpcL3QZp8KulZmxiXK3o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-127-H5WFMztoP4ifP3Gg4E5JKA-1; Mon, 10 Oct 2022 06:50:20 -0400 X-MC-Unique: H5WFMztoP4ifP3Gg4E5JKA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C206F185A792; Mon, 10 Oct 2022 10:50:19 +0000 (UTC) Received: from redhat.com (unknown [10.39.195.76]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 44ACF112D401; Mon, 10 Oct 2022 10:50:15 +0000 (UTC) Date: Mon, 10 Oct 2022 12:50:14 +0200 From: Kevin Wolf To: Emanuele Giuseppe Esposito Cc: qemu-block@nongnu.org, Hanna Reitz , Paolo Bonzini , John Snow , Vladimir Sementsov-Ogievskiy , Markus Armbruster , Stefan Hajnoczi , qemu-devel@nongnu.org Subject: Re: [PATCH v2 07/11] block-backend: implement .change_aio_ctx in child_root Message-ID: References: <20220725122120.309236-1-eesposit@redhat.com> <20220725122120.309236-8-eesposit@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220725122120.309236-8-eesposit@redhat.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Am 25.07.2022 um 14:21 hat Emanuele Giuseppe Esposito geschrieben: > blk_root_change_aio_ctx() is very similar to blk_root_can_set_aio_ctx(), > but implements a new transaction so that if all check pass, the new > transaction's .commit will take care of changing the BlockBackend > AioContext. blk_root_set_aio_ctx_commit() is the same as > blk_root_set_aio_ctx(). > > Note: bdrv_child_try_change_aio_context() is not called by > anyone at this point. > > Signed-off-by: Emanuele Giuseppe Esposito Reviewed-by: Kevin Wolf