On Sun, 10 Jul 2011 04:23:17 -0400, Ric Wheeler <ricwheeler@xxxxxxxxx>
wrote:
On 07/08/2011 01:57 PM, Miklos Szeredi wrote:
"Hans-Peter Jansen"<hpj@xxxxxxxxx> writes:
All kodos to you, Miklos. While I'm still missing a major feature from
overlayfs that is a NFS as upper layer, it provides a fairly good
start. A commitment from you, that such an extension is considered for
inclusion - given, that it appears one day - is appreciated. Also,
since xattr support is available for NFS,
AFAIK development of generic xattr support on NFS stopped some time ago.
Hi Miklos,
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/
/Sorin
It has not set the world on fire in terms of enthusiasm, but has been
making some progress. We have patches from Dave Quigley that did work,
but need to resolve the standards issues I suspect before it could make
progress upstream...
Ric
it would be nice to outline, what is missing for such an
implementation from overlayfs's POV.
Allow using namspace polluting xattr replacements, such as aufs is
doing.
But why? Why is it better to do the overlaying on the client instead of
the server?
Thanks,
Miklos
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Best Regards
Sorin Faibish
Corporate Distinguished Engineer
Unified Storage Division
EMC²
where information lives
Phone: 508-435-1000 x 48545
Cellphone: 617-510-0422
Email : sfaibish@xxxxxxx
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