From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266244AbUHGFhw (ORCPT ); Sat, 7 Aug 2004 01:37:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266246AbUHGFhw (ORCPT ); Sat, 7 Aug 2004 01:37:52 -0400 Received: from fw.osdl.org ([65.172.181.6]:62930 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266244AbUHGFhu (ORCPT ); Sat, 7 Aug 2004 01:37:50 -0400 Date: Fri, 6 Aug 2004 22:36:16 -0700 From: Andrew Morton To: jraidman-linux@yahoo.com Cc: linux-kernel@vger.kernel.org Subject: Re: elevator abstraction, anticipatory I/O backported to 2.4? Message-Id: <20040806223616.36bab872.akpm@osdl.org> In-Reply-To: <20040807000316.85612.qmail@web81706.mail.yahoo.com> References: <20040807000316.85612.qmail@web81706.mail.yahoo.com> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Josh Radel wrote: > > Are there any existing patches for a backport of the > 2.6 elevator abstraction (or a specific patch for > anticipatory I/O) to 2.4 kernels? Not that I know of. > I've heard rumors that Digeo backported a 2.6 I/O > scheduler. No, Digeo use a modified+fixed version of the infamous read_latency2 patch, against 2.4.20. > However, when I tried to download their > open source modifications from > http://www.digeo.com/prodserv/opensource.jsp, I wasn't > able to extract their work. (The zip file unzips to a > tar.bz2, which seems to be corrupt.) I'll poke someone. > Who knows, maybe > an I/O scheduler backport isn't in that archive > anyway. Nope, sorry.