From mboxrd@z Thu Jan 1 00:00:00 1970 From: J. Bruce Fields Date: Wed, 1 Feb 2006 13:15:52 -0500 Subject: [Ocfs2-devel] NFS exports of cluster filesystems In-Reply-To: <20060111214905.GW3313@ca-server1.us.oracle.com> References: <20051216211736.GA14415@fieldses.org> <20060103183047.GD11551@fieldses.org> <20060111212500.GJ27971@fieldses.org> <20060111214905.GW3313@ca-server1.us.oracle.com> Message-ID: <20060201181552.GA2090@fieldses.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com On Wed, Jan 11, 2006 at 01:49:05PM -0800, Mark Fasheh wrote: > On Wed, Jan 11, 2006 at 04:25:00PM -0500, J. Bruce Fields wrote: > > On a quick skim it doesn't appear to define a ->lock() method anywhere. > > Which I assume means that it doesn't attempt to provide cluster coherent > > posix byte-range (fcntl/lockf) locks. Are there plans to change this? > > You're correct in that right now OCFS2 does not support cluster coherent > posix locks. It is definitely on our TODO list, though it may take time as > the changes required are not trivial at all. Do you have any design documentation? (Or pointers to mailing list discussion?) I'm just curious exactly how non-trivial the changes are, and whether it's something we could offer some help on. --b.