From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030189AbWFIPbS (ORCPT ); Fri, 9 Jun 2006 11:31:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965290AbWFIPbS (ORCPT ); Fri, 9 Jun 2006 11:31:18 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:40852 "EHLO palinux.external.hp.com") by vger.kernel.org with ESMTP id S965289AbWFIPbR (ORCPT ); Fri, 9 Jun 2006 11:31:17 -0400 Date: Fri, 9 Jun 2006 09:31:16 -0600 From: Matthew Wilcox To: Alex Tomas Cc: Jeff Garzik , Andrew Morton , ext2-devel , linux-kernel@vger.kernel.org, Linus Torvalds , cmm@us.ibm.com, linux-fsdevel@vger.kernel.org, Andreas Dilger Subject: Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3 Message-ID: <20060609153116.GM1651@parisc-linux.org> References: <1149816055.4066.60.camel@dyn9047017069.beaverton.ibm.com> <4488E1A4.20305@garzik.org> <20060609083523.GQ5964@schatzie.adilger.int> <44898EE3.6080903@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 09, 2006 at 07:28:22PM +0400, Alex Tomas wrote: > JG> "ext3" will become more and more meaningless. It could mean _any_ of > JG> several filesystem metadata variants, and the admin will have no clue > JG> which variant they are talking to until they try to mount the blkdev > JG> (and possibly fail the mount). > > debugfs -R stats | grep features ? ... a simple and intuitive command which just trips off the tongue. I want extents, but I'm still unconvinced that ext3 needs to grow beyond 32-bit blocks. The scheme posted by Val and Arjan (with the continuation inodes) seems much neater.