[Ocfs2-devel] NFS exports of cluster filesystems
J. Bruce Fields
bfields at fieldses.org
Wed Jan 11 15:25:00 CST 2006
On Tue, Jan 03, 2006 at 01:30:47PM -0500, bfields wrote:
> As implementers of the Linux NFSv4 server support, we've found there's
> interest in good support for NFS exports of cluster filesystems (via
> NFSv4 and earlier versions).
>
> There are a number of obstacles to this, and we're interested in finding
> solutions that are acceptable to OCFS2. (If I've directed this to the
> wrong email list, please let me know!)
>
> To give an example--there are a couple of problems with the current VFS
> support for posix byte-range locks:
I noticed just the other day that OCFS2 had popped up in linux/fs/ the
other day. Yay!
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?
--b.
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