Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422820AbXBVDoo (ORCPT ); Wed, 21 Feb 2007 22:44:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965114AbXBVDoo (ORCPT ); Wed, 21 Feb 2007 22:44:44 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:50342 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965100AbXBVDon (ORCPT ); Wed, 21 Feb 2007 22:44:43 -0500 Date: Thu, 22 Feb 2007 03:44:24 +0000 From: Christoph Hellwig To: Neil Brown Cc: Pierre Ossman , LKML , schwidefsky@de.ibm.com Subject: Re: Block layer still stack abuser? Message-ID: <20070222034424.GC9027@infradead.org> Mail-Followup-To: Christoph Hellwig , Neil Brown , Pierre Ossman , LKML , schwidefsky@de.ibm.com References: <45D59C3C.4090403@drzeus.cx> <17885.1120.437885.35438@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17885.1120.437885.35438@notabene.brown> User-Agent: Mutt/1.4.2.2i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 17 On Thu, Feb 22, 2007 at 01:48:00PM +1100, Neil Brown wrote: > Might this: > http://lkml.org/lkml/2007/2/10/22 > > relate to your question? > If you are talking about stacking block device (via dm or md), then a > patch to fix this in in -mm but there are or were some potential > issues in dm that seem to be holding it up. What are the current blocking issues? There are a lot of users of dm/md double-stacking (e.g. mirroring + multipath) that are in deep trouble currently and could be helped greatly with this patch. - 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/