From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753829AbZHQOKl (ORCPT ); Mon, 17 Aug 2009 10:10:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752627AbZHQOKk (ORCPT ); Mon, 17 Aug 2009 10:10:40 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:53504 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752547AbZHQOKj (ORCPT ); Mon, 17 Aug 2009 10:10:39 -0400 Date: Mon, 17 Aug 2009 08:10:38 -0600 From: Matthew Wilcox To: James Bottomley Cc: Christoph Hellwig , Arjan van de Ven , Alan Cox , Mark Lord , Chris Worley , Bryan Donlan , david@lang.hm, Greg Freemyer , Markus Trippelsdorf , Matthew Wilcox , Hugh Dickins , Nitin Gupta , Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Linux RAID Subject: Re: Discard support (was Re: [PATCH] swap: send callback when swap slot is freed) Message-ID: <20090817141038.GB11966@parisc-linux.org> References: <20090814234539.GE27148@parisc-linux.org> <1250341176.4159.2.camel@mulgrave.site> <4A86B69C.7090001@rtr.ca> <1250344518.4159.4.camel@mulgrave.site> <20090816150530.2bae6d1f@lxorguk.ukuu.org.uk> <20090816083434.2ce69859@infradead.org> <1250437927.3856.119.camel@mulgrave.site> <20090816165943.GA26983@infradead.org> <1250517372.3844.3.camel@mulgrave.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1250517372.3844.3.camel@mulgrave.site> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 17, 2009 at 08:56:12AM -0500, James Bottomley wrote: > The testing was initially done to see if the initial maximal discard > proposal from LSF09 was a viable approach (which it wasn't given the > time taken to UNMAP). It would be nice if that feedback could be made public instead of it leaking out in dribs and drabs like this. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."