Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754208AbXE3TL3 (ORCPT ); Wed, 30 May 2007 15:11:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752372AbXE3TLW (ORCPT ); Wed, 30 May 2007 15:11:22 -0400 Received: from brick.kernel.dk ([80.160.20.94]:7890 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752120AbXE3TLV (ORCPT ); Wed, 30 May 2007 15:11:21 -0400 Date: Wed, 30 May 2007 21:10:24 +0200 From: Jens Axboe To: Mark Lord Cc: Ingo Molnar , Linus Torvalds , Jeff Garzik , Zach Brown , linux-kernel@vger.kernel.org, Arjan van de Ven , Christoph Hellwig , Andrew Morton , Alan Cox , Ulrich Drepper , Evgeniy Polyakov , "David S. Miller" , Suparna Bhattacharya , Davide Libenzi , Thomas Gleixner Subject: Re: Syslets, Threadlets, generic AIO support, v6 Message-ID: <20070530191024.GX15559@kernel.dk> References: <20070529212718.GH7875@mami.zabbo.net> <465CA654.5000505@garzik.org> <20070530072055.GA3077@elte.hu> <465D43A0.8040307@garzik.org> <20070530160913.GA14261@elte.hu> <465DCAE4.1010206@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <465DCAE4.1010206@rtr.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1002 Lines: 28 On Wed, May 30 2007, Mark Lord wrote: > Ingo Molnar wrote: > > > > - sendfile(). This API mainly failed on #2. It partly failed on #1 too. > > (couldnt be used in certain types of scenarios so was unintuitive.) > > splice() fixes this almost completely. > > > > - KAIO. It fails on #2 and #3. > > I wonder how useful it would be to reimplement sendfile() > using splice(), either in glibc or inside the kernel itself? > > sendfile() does get used a fair bit, but I really doubt that anyone > outside of a handful of people on this list actually use splice(). It's indeed the plan, I even have git branch for it. Just never took the time to actually finish it. http://git.kernel.dk/?p=linux-2.6-block.git;a=shortlog;h=splice-sendfile -- Jens Axboe - 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/