I've been working on an implementation of extended attributes for the
Linux NFSv3 code, initially based on the IRIX implementation [1]. This is
being developed as a sideband protocol ('XATTR'), to convey simple
name/value string extended attributes over the network.
Here's a link to the latest patchset:
http://lwn.net/Articles/392944/
and my LinuxCon slides on the topic from last year:
http://namei.org/presentations/linuxcon09_nfsv3xattrs.pdf
The code is at a working prototype stage, and the next step is to begin
formalizing the protocol.
I'd like to try and determine whether there is any interest in this XATTR
protocol for FreeBSD (which has a similar extended attribute model to
Linux), and then whether we should develop an informal specification to
cater for interoperability between FreeBSD and Linux.
[1] http://oss.sgi.com/projects/ob1.nuked/src/nfs/
Thanks,
- James
--
James Morris
<jmor...@namei.org>
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