Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751306AbWEZTXP (ORCPT ); Fri, 26 May 2006 15:23:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751310AbWEZTXP (ORCPT ); Fri, 26 May 2006 15:23:15 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:47777 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1751306AbWEZTXO (ORCPT ); Fri, 26 May 2006 15:23:14 -0400 Date: Sat, 27 May 2006 05:22:43 +1000 From: Nathan Scott To: Nate Diller Cc: Wu Fengguang , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH 23/33] readahead: backward prefetching method Message-ID: <20060527052243.B349096@wobbly.melbourne.sgi.com> References: <20060524111246.420010595@localhost.localdomain> <348469547.47755@ustc.edu.cn> <5c49b0ed0605261037p6a32db1fva693ea72b596f896@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <5c49b0ed0605261037p6a32db1fva693ea72b596f896@mail.gmail.com>; from nate.diller@gmail.com on Fri, May 26, 2006 at 10:37:56AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 19 On Fri, May 26, 2006 at 10:37:56AM -0700, Nate Diller wrote: > On 5/24/06, Wu Fengguang wrote: > > Readahead policy for reading backward. > > Just curious, who actually does this? I noticed you submitted patches Nastran does this, and probably other FEA codes. IIRC, iozone will measure this too - it is very important to some people in certain scientific arenas. cheers. -- Nathan - 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/