From: Shehjar Tikoo Subject: Re: Porting Zfs features to ext2/3 Date: Mon, 28 Jul 2008 13:42:34 +1000 Message-ID: <488D402A.2030806@cse.unsw.edu.au> References: <18674437.post@talk.nabble.com> <20080727224958.GB7922@mit.edu> <488CFB6E.3020602@cse.unsw.edu.au> <20080727233707.GA9378@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: postrishi , linux-ext4@vger.kernel.org To: Theodore Tso Return-path: Received: from note.orchestra.cse.unsw.EDU.AU ([129.94.242.24]:46557 "EHLO note.orchestra.cse.unsw.EDU.AU" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751635AbYG1D7c (ORCPT ); Sun, 27 Jul 2008 23:59:32 -0400 In-Reply-To: <20080727233707.GA9378@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: Theodore Tso wrote: > On Mon, Jul 28, 2008 at 08:49:18AM +1000, Shehjar Tikoo wrote: >> Hi Ted >> >> Theodore Tso wrote: >>> The btrfs filesystem effort is an attempt to create a filesystem that >>> will leapfrog the ZFS feature set, but it will probably take longer to >>> reach production ready status than ext4. >> Since you mention btrfs here and since I've read this earlier too, do >> you know if btrfs will be the default Linux file system in the future, >> like extX has been? > > ... > What happens in the future, who can say? At some point the ext2/3/4 > filesystem, which is based fundamentally on a BSD Fast Filesystem > design base, may get displaced by a filesystem which uses some very > different design as a starting point, when the advantages of starting > with that different design outweighs the advantages of backwards > compatibility and broad base of support which is enjoyed by ext2/3/4. Thanks. That sums up the trade-off pretty clearly. -Shehjar