>>>>> " " == Michael Gerdts <gerdts@cae.wisc.edu> writes:
> My first thought was along these lines as well. Sun faced a
> similar situation with POSIX ACL's over NFS. The solution was
> to make it so that their nfsd added an nfs_acl service, which
> made commands like getfacl() and setfacl() work properly over
> NFS.
> It seems to me that directory notifications could be handled in
> a similar manner without a whole lot of difficulty.
> Applications (like always) would just need to be aware that not
> all file systems will support this feature. Additionall, the
> NFS client code would need to be aware that the server may not
> support directory notifications.
This would require some sort of stateful protocol. Anything like this
would need very careful planning and design of a protocol in order not
to impose too much of a burden on the server.
It was easier with ACLs because they don't require anything beyond the
usual stateless model.
Cheers,
Trond
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