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 D4350C83F2C for ; Mon, 4 Sep 2023 09:06:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qd5Ww-0008Jc-Mi; Mon, 04 Sep 2023 05:05:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qd5Wp-0008FP-EJ for qemu-devel@nongnu.org; Mon, 04 Sep 2023 05:05:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qd5Wn-0003VF-68 for qemu-devel@nongnu.org; Mon, 04 Sep 2023 05:05:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1693818346; 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=iQlEBQamD8acT3U8iBEiZodHSUgWhO+RdYMJmu+dzIo=; b=OjUTae1cp36PYOA59FiJDoLnWdTvK78eM8+13V8NS90+1TmiCa6pFfTtvK8OTEnDiednPB E4PHjwoi2SES0IX8sBfny3SO2A38rU2EgJBayxJ5vRbZwe74ogbfQwwrGdYGxreSA1OkMT b3VJtJbRAV8nOlyHJfrGYPrOvoRPkx4= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-144-9dRyuMNONIu9tRwu0EtxcA-1; Mon, 04 Sep 2023 05:05:33 -0400 X-MC-Unique: 9dRyuMNONIu9tRwu0EtxcA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A05873C02B88; Mon, 4 Sep 2023 09:05:32 +0000 (UTC) Received: from redhat.com (unknown [10.39.193.211]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B4F6CC02996; Mon, 4 Sep 2023 09:05:29 +0000 (UTC) Date: Mon, 4 Sep 2023 11:05:28 +0200 From: Kevin Wolf To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Vladimir Sementsov-Ogievskiy , Hanna Reitz , Paolo Bonzini , qemu-block@nongnu.org, Klaus Jensen , John Snow , Cleber Rosa , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Keith Busch , David Hildenbrand , Peter Xu , Fam Zheng Subject: Re: [PATCH v2 0/4] block-backend: process I/O in the current AioContext Message-ID: References: <20230823235938.1398382-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230823235938.1398382-1-stefanha@redhat.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.133.124; 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, 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org Am 24.08.2023 um 01:59 hat Stefan Hajnoczi geschrieben: > v2 > - Add patch to remove AIOCBInfo->get_aio_context() [Kevin] > - Add patch to use qemu_get_current_aio_context() in block-coroutine-wrapper so > that the wrappers use the current AioContext instead of > bdrv_get_aio_context(). > > Switch blk_aio_*() APIs over to multi-queue by using > qemu_get_current_aio_context() instead of blk_get_aio_context(). This change > will allow devices to process I/O in multiple IOThreads in the future. > > The final patch requires my QIOChannel AioContext series to pass > tests/qemu-iotests/check -qcow2 281 because the nbd block driver is now > accessed from the main loop thread in addition to the IOThread: > https://lore.kernel.org/qemu-devel/20230823234504.1387239-1-stefanha@redhat.com/T/#t > > Based-on: 20230823234504.1387239-1-stefanha@redhat.com While the dependency isn't in yet, I'm already applying patches 1-3. Patch 4 needs a respin anyway to update the failing test case. Kevin