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=-5.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 E202EC433E0 for ; Thu, 28 May 2020 19:23:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C5532208A7 for ; Thu, 28 May 2020 19:23:37 +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="Om+LVat9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406499AbgE1TXc (ORCPT ); Thu, 28 May 2020 15:23:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406205AbgE1TXa (ORCPT ); Thu, 28 May 2020 15:23:30 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27C93C08C5C8 for ; Thu, 28 May 2020 12:23:29 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id 124so46202pgi.9 for ; Thu, 28 May 2020 12:23:29 -0700 (PDT) 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=0gA7Ac+73j/XnZFQi1m6vn3pC8smRbdUm5Fe8cbDyhk=; b=Om+LVat92f7RfQwrzgyYFTaU+jb22Q8KiUAmJI9TaxaK/Z2+G02Sv/9APyzywDHAQn Ln7QkPtqftmBgBAB4LCMNXyvhNZcFe8XgdR+LctT7cHTb7V1DqY9dhhRoe985ljMbbmu jnAscOpB5boyeZ/+SkqORtmWOqSkQoGaXxGTGvwSDDd1XkBBBQGdLBLlrKaHV2mH2EMx P/kfVgurkkRRin6rXHRfXKstHnWkUQmCEWiv4r734Ng8gwmHlxhUggxP37jQ0QixIPnG 2WV+sl52+rHWgakZ+AFjDeD7H5Vru2/of/jrruf+PyAE9qImbd6R88VyiHjemZDp27+0 GdJg== 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=0gA7Ac+73j/XnZFQi1m6vn3pC8smRbdUm5Fe8cbDyhk=; b=kOFPJnft7vQS8trVSKd0AtJQ0ZGF7FnigTr5Loy5xtvD0xy1sYuBwdnO+hwdUyN+Iz brvXU6Xo9g2tZgQ6EMexiTty13JfQ3kMIQpNnPtVDdyAW0aMZ55//ihhJnYZplAd2D+2 o5IM4QIAzt1feTAlI0FOEbH0rdi1+W+js3PvLmk2i3TTp/Aefx2weSNwquGWw+SHmcvM pMPJj3Yzi7hMupyTwEGOJDIvKh1PifRytR5KssER06xb+dB3CqefKhJevUDtxcr8l61I oFh8Kg2dGtIjYKpkBIxpeFMm51gMX7+QUtloM+ItqhBqE8kBr7t331R7rksew2PMf3Mo b+2w== X-Gm-Message-State: AOAM533k5Td4j2g/+QlzzpnzeaG3izfLQXyHllUsmr7CeW7oKDmoGqIM pZwtGPcDfUCGaE0ZoQZuF2vblg== X-Google-Smtp-Source: ABdhPJxvks363x29yek8RaALXXC0cYu2SwUDsZ1gCb7momK0fY3oVgT+N23LBhPU5BtU9iTGBDhkUg== X-Received: by 2002:a63:c5a:: with SMTP id 26mr4386530pgm.270.1590693808617; Thu, 28 May 2020 12:23:28 -0700 (PDT) Received: from [192.168.1.159] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id t2sm5089134pgh.89.2020.05.28.12.23.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 May 2020 12:23:28 -0700 (PDT) Subject: Re: [PATCH 09/12] xfs: flag files as supporting buffered async reads To: "Darrick J. Wong" Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org References: <20200526195123.29053-1-axboe@kernel.dk> <20200526195123.29053-10-axboe@kernel.dk> <20200528175353.GB8204@magnolia> From: Jens Axboe Message-ID: Date: Thu, 28 May 2020 13:23:26 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200528175353.GB8204@magnolia> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 5/28/20 11:53 AM, Darrick J. Wong wrote: > On Tue, May 26, 2020 at 01:51:20PM -0600, Jens Axboe wrote: >> XFS uses generic_file_read_iter(), which already supports this. >> >> Signed-off-by: Jens Axboe > > Er... I guess that looks ok? Assuming you've done enough qa on > io_uring to be able to tell if this breaks anything, since touching the > mm always feels murky to me: > The mm bits should be fine, haven't seen anything odd in testing. And it's not like the mm changes are super complicated, I think they turned out pretty clean and straight forward. > Acked-by: Darrick J. Wong Thanks! -- Jens Axboe