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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 050D1C43441 for ; Fri, 16 Nov 2018 08:48:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAF63208E7 for ; Fri, 16 Nov 2018 08:48:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tPPXcwWt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BAF63208E7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org 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 S1727575AbeKPTAP (ORCPT ); Fri, 16 Nov 2018 14:00:15 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:32950 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727398AbeKPTAP (ORCPT ); Fri, 16 Nov 2018 14:00:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ZkJ7CZAcg3Gbusda513hZyxZFR1sLS2AFBP4Lw/ak4w=; b=tPPXcwWtAO4mn0fwT/0ZurbN+ ur58OsZcZ9KoMYAp9UXwAhom+LzBpaWLqGDCPDkBctyQPL2NUf/1ArFDBTi+HmY5/zu9PInl1mOmJ hEphmrwKHw8tqBSpYL4p8TlGhe+7RA24+vFpR85l0ZoeY3TVC3B7SWUIFTkOQ9/5q3fZHir1P3QEF Rk4Y5zSdVFb5h5SGBHeu+wrMrATDsBdXcCI/PzyT+03zrGl3eCVm036BF46ks4ID0R6dLKlzcZTno B2z860Smal6YDeh1+obznY8ZEekMNTMFMMs7qia2SMfxbBYVA5Si++SS7gIE4YDAfIqkY1MHnjs5p HTXAIapaw==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNZo5-0007gM-F0; Fri, 16 Nov 2018 08:48:53 +0000 Date: Fri, 16 Nov 2018 00:48:53 -0800 From: Christoph Hellwig To: Jens Axboe Cc: linux-block@vger.kernel.org Subject: Re: [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to Message-ID: <20181116084853.GJ9023@infradead.org> References: <20181115195135.22812-1-axboe@kernel.dk> <20181115195135.22812-11-axboe@kernel.dk> <20181116084739.GI9023@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181116084739.GI9023@infradead.org> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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..