Re: [PATCH 0/7] overlay filesystem: request for inclusion

[Miklos Szeredi]

"Sorin Faibish" <sfaibish@xxxxxxx> writes:

> On Sun, 10 Jul 2011 04:23:17 -0400, Ric Wheeler <ricwheeler@xxxxxxxxx>
> wrote:
>> There is a proposed (at the IETF) standard called "labelled NFS"
>> that would allow the protocol to handle xattrs.
> Will be included in NFSv4.2. And we are already very close to a good I-D.
> Not sure that xattr change mentioned here will be included. You can look
> at the current I-D at:
> http://datatracker.ietf.org/doc/draft-quigley-nfsv4-labeled/

I skimmed the draft, and it looks like being mostly generic enough to
support any xattr, not just security labels.

But the naming and some of the requirements (such as notifying clients
on label change) are very much security label specific, forcing generic
xattr support into this protocol might not be a good idea.

I see that NFSv4 also has named attributes, which are conceptually
similar to linux xattr, but the APIs are not easily synchronized.

Doing xattr as a new protocol extension would be much easier and
cleaner, IMO.

Thanks,
Miklos
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