[Ocfs2-devel] NFS exports of cluster filesystems

[J. Bruce Fields]

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.