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=-2.5 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 9C0EDC43441 for ; Fri, 16 Nov 2018 15:19:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 596C72087C for ; Fri, 16 Nov 2018 15:19:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="atc0vyN1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 596C72087C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-block-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728339AbeKQBcl (ORCPT ); Fri, 16 Nov 2018 20:32:41 -0500 Received: from mail-it1-f194.google.com ([209.85.166.194]:51103 "EHLO mail-it1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728458AbeKQBck (ORCPT ); Fri, 16 Nov 2018 20:32:40 -0500 Received: by mail-it1-f194.google.com with SMTP id k206-v6so35168246ite.0 for ; Fri, 16 Nov 2018 07:19:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=lMSlct3BzaGmlMeozfWQkJp/ZNhko7ikqfqiEfrdMrE=; b=atc0vyN1s1Eq8CIYRxz1qqk5EmXKBkxru5VvTvHpHNf6lQHptaCQmErndCkzq5tQEv t1gN7R8SPXsBxolAd402/8T+pqqLQHTMqAZBHLnddJ6V7r9rmqhqIw82crdxiNuDozaw 36tPTeErrcs9ww8zjSCpkfruo9X2o+6gyKWWb2CcRKkJGcf5XA6lxy2vbF3mLMPqStu0 HXLHTdcw8fz6SMLXAS/jcdpgCXIQ62DS57xKOryn0ri0auWQ99jBSSE7KYlYmDZjMIPE DzZ+K9F/jGFDtSq687YtFwH7wMJHpVj5TlupCJBlzbAiXOJcQcUlhn6Z4hJA88v0QTnY Gkiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=lMSlct3BzaGmlMeozfWQkJp/ZNhko7ikqfqiEfrdMrE=; b=gEYuukdT1TZYEWhWvGYvMGxXwiyEcxOLsJ6BYaYxpLZCThPnGD8JBtuUiFc7mcXEzw 5xvcIS8VAehDx6zQu31wHoovCYytHvcrdOOTq2qpiAFl0bcjBn/FITAqBB7Op0O2PQ22 ImXAVPbfVSTwpQl6WD8w0gWse/PnFNijVFp+8pZuukCJCy+WSDSeGl5g0Hl24jRk9S6g N+8ZR2idPTA9iPKixKGf9LoUDjMvoagVm2BCT3vdKVx5n958eF36hM/BpFdvOQvoBMTu qCNiu67MKS6J+WPE0O8Xu8WlcujOaE8ahvQGXNZmaJPOdtfJPXQNcoFoMcRMalM4igtZ vPaQ== X-Gm-Message-State: AGRZ1gJiDURA5HiGmcdBj0aeZH5yodsUaATV2CNJVKmpyq25+pnDOQur 4eRWDO/j7fDWTU7aEBPTfufSzhUDsqw= X-Google-Smtp-Source: AJdET5eOkHI5vCzcABlWsTHPgAHgkPjsjz2eYlFqM2T+wH50mplAkX8gVfD3M5YRrvrzXJZ47RfqYQ== X-Received: by 2002:a02:8cce:: with SMTP id n14mr10623367jal.125.1542381592279; Fri, 16 Nov 2018 07:19:52 -0800 (PST) Received: from [192.168.1.56] ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id d133sm4772559itd.1.2018.11.16.07.19.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Nov 2018 07:19:51 -0800 (PST) Subject: Re: [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to To: Christoph Hellwig Cc: linux-block@vger.kernel.org References: <20181115195135.22812-1-axboe@kernel.dk> <20181115195135.22812-11-axboe@kernel.dk> <20181116084739.GI9023@infradead.org> <20181116084853.GJ9023@infradead.org> From: Jens Axboe Message-ID: <6a47dd01-cc33-f16f-797d-93c329c0051f@kernel.dk> Date: Fri, 16 Nov 2018 08:19:50 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181116084853.GJ9023@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 11/16/18 1:48 AM, Christoph Hellwig wrote: > On Fri, Nov 16, 2018 at 12:47:39AM -0800, Christoph Hellwig wrote: >> On Thu, Nov 15, 2018 at 12:51:34PM -0700, Jens Axboe wrote: >>> Inherit the iocb IOCB_HIPRI flag, and pass on REQ_HIPRI for >>> those kinds of requests. >> >> Looks fine, > > Actually. Who is going to poll for them? With the separate poll > queue this means they are now on the poll queue where there are > no interrupts, but aio won't end up calling blk_poll.. It's a prep patch, I have patches that enable polling for libaio. So aio will call blk_poll. -- Jens Axboe