From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Sandeen Subject: Re: Inquiry: disk format change in the future Date: Wed, 19 Aug 2009 22:55:39 -0500 Message-ID: <4A8CC93B.9090904@redhat.com> References: <20090820002457.A0C0520E21@spam-fw.osrg.net> <20090820.112237.04623349.ryusuke@osrg.net> Reply-To: NILFS Users mailing list Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090820.112237.04623349.ryusuke-sG5X7nlA6pw@public.gmane.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: users-bounces-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org Errors-To: users-bounces-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org To: NILFS Users mailing list Ryusuke Konishi wrote: > (reply added to "Yann E. MORIN") > > Hi, > On Wed, 19 Aug 2009 11:31:56 +0200, "Yann E. MORIN" wrote: >> Hello All! >> >> I've searched the archives, but could not find the answer to the >> following questions: >> >> - will there be, or what is the probability of, a disk format change >> in the near future (few months)? > > We still have some possibilities for the format change at this time. > > Basically I intend to keep the disk format, but some new features like > > - Extended attributes, ACLs > - Rollback > - Checkpoint based remote replication > > may require it. So far, we haven't seen any specific requisition. > Do you expect that any of the changes may impact the ability of utilities such as blkid or file to recognize a nilfs filesystem? I'd happily write patches for those utilities to add nilfs recognition if you think there is a stable fingerprint that can be recognized. Thanks, -Eric