[Linux-cluster] Re: [NFS] [RFC] NLM lock failover admin interface

[Neil Brown]

On Tuesday June 13, wcheng at redhat.com wrote:
> >   One is to register a callback when an interface is shut down.
> >   Another (possibly the best) is to arrange a new signal for lockd
> >   which say "Drop any locks which were sent to IP addresses that are
> >   no longer valid local addresses".
> 
> These, again, give individual filesystem no freedom to adjust what they
> need upon failover. But I'll check them out this week - maybe there are
> good socket layer hooks that I overlook. 
> 

Can you say more about what sort of adjustments an individual filesystem
might want the freedom to make?  It might help me understand the
issues better.

Thanks,
NeilBrown