Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757119AbXIASji (ORCPT ); Sat, 1 Sep 2007 14:39:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754738AbXIASj1 (ORCPT ); Sat, 1 Sep 2007 14:39:27 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:43805 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752566AbXIASj0 (ORCPT ); Sat, 1 Sep 2007 14:39:26 -0400 Date: Sat, 1 Sep 2007 19:39:22 +0100 From: Christoph Hellwig To: Mingming Cao Cc: linux-fsdevel@vger.kernel.org, adilger@clusterfs.com, sho@tnes.nec.co.jp, ext4 development , linux-kernel@vger.kernel.org, clameter@sgi.com Subject: Re: [RFC 1/2] JBD: slab management support for large block(>8k) Message-ID: <20070901183922.GA12907@infradead.org> Mail-Followup-To: Christoph Hellwig , Mingming Cao , linux-fsdevel@vger.kernel.org, adilger@clusterfs.com, sho@tnes.nec.co.jp, ext4 development , linux-kernel@vger.kernel.org, clameter@sgi.com References: <20070828190551.415127746@sgi.com> <20070828190735.292638294@sgi.com> <1188432669.3799.35.camel@localhost.localdomain> <1188434857.3799.76.camel@localhost.localdomain> <1188605538.3837.51.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1188605538.3837.51.camel@localhost.localdomain> User-Agent: Mutt/1.4.2.3i 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: 664 Lines: 14 On Fri, Aug 31, 2007 at 05:12:18PM -0700, Mingming Cao wrote: > >From clameter: > Teach jbd/jbd2 slab management to support >8k block size. Without this, it refused to mount on >8k ext3. But the real fix is to kill this code. We can't send down slab pages down the block layer without breaking iscsi or aoe. And this code is only used in so rare cases that all the normal testing won't hit it. Very bad combination. - 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/