From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Tomas Subject: Re: [RFC 0/13] extents and 48bit ext3 Date: Fri, 09 Jun 2006 19:53:55 +0400 Message-ID: References: <1149816055.4066.60.camel@dyn9047017069.beaverton.ibm.com> <4488E1A4.20305@garzik.org> <20060609083523.GQ5964@schatzie.adilger.int> <44898EE3.6080903@garzik.org> <44899778.1010705@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Andrew Morton , ext2-devel , linux-kernel@vger.kernel.org, Linus Torvalds , cmm@us.ibm.com, linux-fsdevel@vger.kernel.org, Alex Tomas , Andreas Dilger Return-path: To: Jeff Garzik In-Reply-To: <44899778.1010705@garzik.org> (Jeff Garzik's message of "Fri, 09 Jun 2006 11:44:56 -0400") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ext2-devel-bounces@lists.sourceforge.net Errors-To: ext2-devel-bounces@lists.sourceforge.net List-Id: linux-fsdevel.vger.kernel.org >>>>> Jeff Garzik (JG) writes: JG> 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 ? JG> The question is, do you JG> a) expect users to run this magic command, and DTRT or JG> b) watch users boot w/ extents, accidentally do something silly like JG> writing data to a file, and become locked into a new subset of kernels? at the moment there is no way to "boot w/ extents". you must enable them by mount option. thanks, Alex