On Sun, 27 Oct 2013, Myklebust, Trond wrote: > > This sounds more like an NFS server problem than a client side NFS. Can we > > add support to the client side NFS and let server that think that they can > > handle XATTR implement it? > > No. It's a real problem for clients too if the NFS server starts > exporting ACLs and security labels via this interface. Everything from > integer endianness problems when getfacl attempts to read raw binary > acls from the server, to breakage of caching models when we allow > setfacl and don't invalidate our file access caches... Right, so any general xattrs for nfs would need to be specified as having no system effects, essentially exporting the Linux 'user' xattr namespace only. > > > We should probably start a discussion in the IETF to resolve the issues > > you see with XATTR at least for NFSv4.3. > > Let's get the basic discussion of motivation right first. It should be for user-managed metadata only. -- James Morris <jmorris@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
