Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp264409ybt; Tue, 23 Jun 2020 21:38:58 -0700 (PDT) X-Google-Smtp-Source: ABdhPJznPnp7fBXw+2+AvaHhjBpPERONrScwsmK+lqeXLMndIRiqzOAzA3nmNzXBW/5cJS/tfMtt X-Received: by 2002:a05:6402:1558:: with SMTP id p24mr24596450edx.193.1592973538279; Tue, 23 Jun 2020 21:38:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592973538; cv=none; d=google.com; s=arc-20160816; b=UoOQUFk4EV4FoABiK3B/7Kh2mNz3gRFhjAE713HWmjrKCMq/5nbCDuMxcKQEQZLm4I moHTGYeqso5NoNrzFRHdGRhwdVhqrqADrG3WpCisT1ebJJTP3r0s6U7KCSxbmWFA2RPi UM98ezDaJaUibctzFsUKXZSCMBUA90DdZ387xa0sy/6HCSTjxFxsu5Lv+Jf5C3Ye28Wa 9+pT7OTWu1eY4OashbbydVL3Cl2vowsZYfL5WiyM8YL42ELqWEF1JxFI9YoUtRvLCD8U xwsN8XHfJofhyYs/Lrlt/5UKtglbzx5MaUbVd/crL4078/blWt29XbHtY00ydvpt4Hlt B6Rw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=Etgbxuy5IN5C03+RQCG7VF5vOx0RgvPRoav/t3ndo58=; b=ByuFEv5G2iTXSih71Omu6G7bWhatgfBsaVeD8FUhNJvgb3MyM6SQ5ZIWm08EiWzgie pDVWMPBQVhxdDxllRnfhZcyH6RkAUdBCnDCkJXq9fYDW97+LbwV1YeZwQuInts3hquLX sTRbJrw5rIdSVux7oBRFh5tSAdoUCKOVz02hp1HFBkSGMhcZtu9Hd9hr06xdYwgibZoJ tEhALfmhJP+++LffDlmxuameXgc/Pwz/NivxLIsrSyd1yBbSHAeK5ANwe9kxdLRvmeKz rDrytQ1flxFVNDkwKZ/Y9dm1wKBrLfMjRBo4jIPVWgh+Kp4mAyguCOBMIXWg2gvMXTG9 eQlw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x4si5802387edq.506.2020.06.23.21.38.34; Tue, 23 Jun 2020 21:38:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728827AbgFXEiW (ORCPT + 99 others); Wed, 24 Jun 2020 00:38:22 -0400 Received: from mail106.syd.optusnet.com.au ([211.29.132.42]:36036 "EHLO mail106.syd.optusnet.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728681AbgFXEiU (ORCPT ); Wed, 24 Jun 2020 00:38:20 -0400 Received: from dread.disaster.area (pa49-180-124-177.pa.nsw.optusnet.com.au [49.180.124.177]) by mail106.syd.optusnet.com.au (Postfix) with ESMTPS id AAF3E5AAC64; Wed, 24 Jun 2020 14:38:15 +1000 (AEST) Received: from dave by dread.disaster.area with local (Exim 4.92.3) (envelope-from ) id 1jnxAs-0002xD-OJ; Wed, 24 Jun 2020 14:38:14 +1000 Date: Wed, 24 Jun 2020 14:38:14 +1000 From: Dave Chinner To: Jens Axboe Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, Jens Axboe , Johannes Weiner Subject: Re: [PATCH 05/15] mm: allow read-ahead with IOCB_NOWAIT set Message-ID: <20200624043814.GC5369@dread.disaster.area> References: <20200618144355.17324-1-axboe@kernel.dk> <20200618144355.17324-6-axboe@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200618144355.17324-6-axboe@kernel.dk> User-Agent: Mutt/1.10.1 (2018-07-13) X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.3 cv=W5xGqiek c=1 sm=1 tr=0 a=k3aV/LVJup6ZGWgigO6cSA==:117 a=k3aV/LVJup6ZGWgigO6cSA==:17 a=kj9zAlcOel0A:10 a=nTHF0DUjJn0A:10 a=ufHFDILaAAAA:8 a=VwQbUJbxAAAA:8 a=7-415B0cAAAA:8 a=WCjB2_pVjg0caHknj34A:9 a=CjuIK1q_8ugA:10 a=3K7KkRBBR4UA:10 a=ZmIg1sZ3JBWsdXgziEIF:22 a=AjGcO6oz07-iQ99wixmX:22 a=biEYGPWJfzWAr4FL6Ov7:22 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 18, 2020 at 08:43:45AM -0600, Jens Axboe wrote: > The read-ahead shouldn't block, so allow it to be done even if > IOCB_NOWAIT is set in the kiocb. > > Acked-by: Johannes Weiner > Signed-off-by: Jens Axboe BTW, Jens, in case nobody had mentioned it, the Reply-To field for the patches in this patchset is screwed up: | Reply-To: Add@vger.kernel.org, support@vger.kernel.org, for@vger.kernel.org, | async@vger.kernel.org, buffered@vger.kernel.org, | reads@vger.kernel.org Cheers, Dave. -- Dave Chinner david@fromorbit.com