Re: POSIX ACL support for NFSV4 (using sideband protocol)

["Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>]

On Thu, Sep 03, 2009 at 12:46:09AM -0700, Muntz, Daniel wrote:
> I've always thought of NFS as a means for making physical file systems
> available across a network.  NFS having its own ACLs doesn't fit this
> model.  E.g., "NFS ACLs" will never be integrated into NTFS.  However, I
> could imagine NFS ACLs solving the general problem if they were to form
> a superset of the ACLs of exportable physical file systems, and the
> mechanism for interpreting ACLs for a particular physical file system
> could be encoded (or modularized) in such a way that NFS' evaluation of
> ACL operations has the same results as the physical file system's
> execution of the same ACL operations.  You could have a POSIX ACL
> module, NTFS ACL module, etc.  There's a challenge for 4.2.
> 
> ACLs could possibly be made completely opaque to NFS with a module-based
> approach.
> 

What would be the acl model on the client side ? Considering that POSIX ACL
is looked at as the native acl model in Linux, I guess we should have the ability
to modify the ACLs using POSIX ACL tools on the nfs client

-aneesh
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