Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp4513397pxb; Sun, 14 Feb 2021 13:21:34 -0800 (PST) X-Google-Smtp-Source: ABdhPJzIlxVt3NwFHIcnngzFT/AiryneAegnfqBJSKttSODxpbkCLDkJPbxIVcD9CH2Ua5whWvb9 X-Received: by 2002:a17:906:3484:: with SMTP id g4mr12680597ejb.38.1613337693940; Sun, 14 Feb 2021 13:21:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1613337693; cv=none; d=google.com; s=arc-20160816; b=ZNO40DvBY+gYcO8cJMs0y/DziQiV9YQMvFlv6Nl0GslJz56UcrxodSI3zc2ULK6EYo nwyKJTgSsxVPOY1rx41lbcR1fKq92DBl45zeo63YOYqYA8xBYzkWpJz1BdkFD+V/k3fM 8KmNUE0FX6tQ0c060aSKCbc3b/y7/TAMXTH/FriCEvGZZ3LJkezjKZgE9xNCpl0QTmbV z7TJaVWIiT8UfekCLqGRAikmG8dr6sKne/FIcZ++xkRJAIk0I1aJH7Ai9K3cT9agfOhg QJIXxb0gJRsbCNQ+8NIfOCm4NDmLjjdue9NeGHlFz9p1TSbrTfTtG4eyBifpEV3+apaC Iteg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=2PraCavS/UfgGzv3maoudbmFwodX8l5TLZ/Gl6CIxrE=; b=qfByU6VkAHeLz2PoPFxarieBIpZkrSy1P590HH97TunbnumEO6Y07oVf17hE0+bK19 Ywy4e4/jg8YKgvjUHQWYzOivanGUywfDpiYN5Pa4i5fn0u0mewyX1Q8RZh7z8zAoUt3R wyt2umUHX+P1ipLmUr7kM/bht9Fklt+hNDDYlKFompsYJFOdRSSFkrMuiOinG7kZnWMB /4+aYz4Ggytv55xV5b3o4g4gBK+cr/VAm8Ht232yeZAsBdOdYZaCGVwZVJgdAXZBUHrg qDjTyz/DOySc8rW4iK7GaQy3ICe+IXHQ4smC6ttoNCMnvAWkrQ4dWWxCCoyqFgttS+dh N8+Q== 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 gz10si1256696ejb.427.2021.02.14.13.21.11; Sun, 14 Feb 2021 13:21:33 -0800 (PST) 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 S230078AbhBNVTI (ORCPT + 99 others); Sun, 14 Feb 2021 16:19:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229960AbhBNVTE (ORCPT ); Sun, 14 Feb 2021 16:19:04 -0500 Received: from zeniv-ca.linux.org.uk (zeniv-ca.linux.org.uk [IPv6:2607:5300:60:148a::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 404C7C061574; Sun, 14 Feb 2021 13:18:24 -0800 (PST) Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94 #2 (Red Hat Linux)) id 1lBOmQ-00E13n-Po; Sun, 14 Feb 2021 21:18:10 +0000 Date: Sun, 14 Feb 2021 21:18:10 +0000 From: Al Viro To: Linus Torvalds Cc: Linux Kernel Mailing List , linux-fsdevel Subject: Re: [git pull] sendfile fixes Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 14, 2021 at 11:35:36AM -0800, Linus Torvalds wrote: > Just to clarify: this says "fixes", but I get the feeling that you > meant for me to pull tomorrow in the 5.12 merge window? > > I like the patches, but they don't seem to be anything hugely urgent. > They should make "sendfile to pipe" more efficient, but the current > hack is _workable_ (and not any worse than what we historically did) > even if it's not optimal. > > Right? Yes. It allows to drop the current hack, but it's not urgent. > Oh, and it looks like the first line of the commit message of > 313d64a35d36 ("do_splice_to(): move the logics for limiting the read > length in") got truncated somehow.. Offense against style, actually - preposition torn from object and moved to the very end of sentence... "[splice] move the logics for limiting the read length into do_splice_to()" would probably be better.