[Labeled-nfs] [PATCH 13/13] NFSD: Label change notification for NFSv4 Server

[Matthew N. Dodd]

Trond Myklebust wrote:
> This proposal, OTOH, will force the server to track all clients that
> access a labelled file, and to notify them all synchronously if ever a
> change is made. That can never scale if, say, you want to relabel the
> entire filesystem as SELinux appears wont to do.

The server already tracks client file access.

This would be a totally different matter if I were adding client open 
tracking code.