Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268297AbUIGP0q (ORCPT ); Tue, 7 Sep 2004 11:26:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268333AbUIGPWR (ORCPT ); Tue, 7 Sep 2004 11:22:17 -0400 Received: from mail.fh-wedel.de ([213.39.232.194]:63432 "EHLO mail.fh-wedel.de") by vger.kernel.org with ESMTP id S268297AbUIGPVp (ORCPT ); Tue, 7 Sep 2004 11:21:45 -0400 Date: Tue, 7 Sep 2004 17:21:18 +0200 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Linus Torvalds Cc: Andrew Morton , linux-kernel@vger.kernel.org, Steve French Subject: Re: [PATCH 4/4] copyfile: copyfile Message-ID: <20040907152118.GA30396@wohnheim.fh-wedel.de> References: <20040907120908.GB26630@wohnheim.fh-wedel.de> <20040907121118.GA27297@wohnheim.fh-wedel.de> <20040907121235.GB27297@wohnheim.fh-wedel.de> <20040907121520.GC27297@wohnheim.fh-wedel.de> <20040907145118.GA29993@wohnheim.fh-wedel.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1072 Lines: 29 On Tue, 7 September 2004 07:59:11 -0700, Linus Torvalds wrote: > On Tue, 7 Sep 2004, J?rn Engel wrote: > > > > Does that mean that you're ok with the first three patches? > > No, it means that they weren't fundamentally flawed.. It's a start... > Actually, the 4kB batching one was - if you only max out to using 4kB at a > time, sendfile() is kind of pointless, because then it will never do > multi-page copies in the first place, and all the complexity at a lower > level is worthless.. Give me a better number. 16k? 1M? Or would it not be fundamentally flawed if the unit was seconds, instead of bytes? That makes a lot more sense, since a floppy and a Ultra320 RAID array differ slightly in speed and it's response time the users actually care about. J?rn -- /* Keep these two variables together */ int bar; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/