From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: [RFC 0/13] extents and 48bit ext3 Date: Wed, 14 Jun 2006 11:28:29 -0600 Message-ID: <20060614172829.GM5964@schatzie.adilger.int> References: <6lTUf-54A-17@gated-at.bofh.it> <6lU3S-5h5-11@gated-at.bofh.it> <6lU3X-5h5-35@gated-at.bofh.it> <6lUnl-5GL-5@gated-at.bofh.it> <6lUwX-66U-25@gated-at.bofh.it> <6lUQo-6w3-29@gated-at.bofh.it> <6lUQp-6w3-35@gated-at.bofh.it> <6lUZT-6HS-3@gated-at.bofh.it> <6nE4Z-4If-55@gated-at.bofh.it> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: akpm@osdl.org, jeff@garzik.org, ext2-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, chase.venters@clientec.com, torvalds@osdl.org, cmm@us.ibm.com, linux-fsdevel@vger.kernel.org, grundig , alex@clusterfs.com, alan@lxorguk.ukuu.org.uk Return-path: To: 7eggert@gmx.de Content-Disposition: inline In-Reply-To: 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 On Jun 14, 2006 18:45 +0200, Bodo Eggert wrote: > BTW: Upgrading a filesystem by using mount options _and_ forcing that > option to be supplied on subsequent mounts is a BUG. If should be what > current code demands, it should be fixed ASAP. I hope that's not what > the current code does. If you don't remount with "-o extents" all it (currently) means is that new files will not be created with extents. Existing extent-mapped files will continue to work. It was done this way so that if some serious problem was found with extents there was a fallback position to "normal" block mapped files and the damage would be limited to files created while mounted with "-o extents". Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.