From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933271AbXDZHFS (ORCPT ); Thu, 26 Apr 2007 03:05:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933277AbXDZHFS (ORCPT ); Thu, 26 Apr 2007 03:05:18 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:36895 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933271AbXDZHFQ (ORCPT ); Thu, 26 Apr 2007 03:05:16 -0400 Date: Thu, 26 Apr 2007 17:04:54 +1000 From: David Chinner To: Nick Piggin Cc: Christoph Lameter , "Eric W. Biederman" , linux-kernel@vger.kernel.org, Mel Gorman , William Lee Irwin III , David Chinner , Jens Axboe , Badari Pulavarty , Maxim Levitsky Subject: Re: [00/17] Large Blocksize Support V3 Message-ID: <20070426070454.GF32602149@melbourne.sgi.com> References: <20070424222105.883597089@sgi.com> <46303A98.9000605@yahoo.com.au> <46304C74.9040304@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46304C74.9040304@yahoo.com.au> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 26, 2007 at 04:53:40PM +1000, Nick Piggin wrote: > Christoph Lameter wrote: > >On Thu, 26 Apr 2007, Nick Piggin wrote: > >>I am working now and again on some code to do this, it is a big job but > >>I think it is the right way to do it. But it would take a long time to > >>get stable and supported by filesystems... > > > >Ummm... We already have a radix tree for this???? What more is needed? You > >just need to go through all filesystems and make them use extends. > > I'm talking about block size > page size in the buffer layer. Nick, what's the buffer layer? Are you talking about operations based on bufferheads? Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group