Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969402AbXILO3w (ORCPT ); Wed, 12 Sep 2007 10:29:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966796AbXILO3o (ORCPT ); Wed, 12 Sep 2007 10:29:44 -0400 Received: from dvhart.com ([64.146.134.43]:52909 "EHLO dvhart.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966365AbXILO3n (ORCPT ); Wed, 12 Sep 2007 10:29:43 -0400 Message-ID: <46E7F7D3.2020804@mbligh.org> Date: Wed, 12 Sep 2007 07:29:39 -0700 From: "Martin J. Bligh" User-Agent: Thunderbird 1.5.0.12 (X11/20070604) MIME-Version: 1.0 To: Christoph Lameter Cc: Nick Piggin , Mel Gorman , andrea@suse.de, torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig , William Lee Irwin III , David Chinner , Jens Axboe , Badari Pulavarty , Maxim Levitsky , Fengguang Wu , swin wang , totty.lu@gmail.com, hugh@veritas.com, joern@lazybastard.org Subject: Re: [00/41] Large Blocksize Support V7 (adds memmap support) References: <20070911060349.993975297@sgi.com> <200709111144.48743.nickpiggin@yahoo.com.au> <20070911205350.GA18127@skynet.ie> <200709111600.18756.nickpiggin@yahoo.com.au> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1306 Lines: 30 Christoph Lameter wrote: > On Tue, 11 Sep 2007, Nick Piggin wrote: > >> But that's not my place to say, and I'm actually not arguing that high >> order pagecache does not have uses (especially as a practical, >> shorter-term solution which is unintrusive to filesystems). >> >> So no, I don't think I'm really going against the basics of what we agreed >> in Cambridge. But it sounds like it's still being billed as first-order >> support right off the bat here. > > Well its seems that we have different interpretations of what was agreed > on. My understanding was that the large blocksize patchset was okay > provided that I supply an acceptable mmap implementation and put a > warning in. I think all we agreed on was that both patches needed significant work and would need to be judged after they were completed ;-) There was talk of putting Christoph's approach in more-or-less as-is as a very specialized and limited application ... but I don't think we concluded anything for the more general and long-term case apart from "this is hard" ;-) M. - 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/