Re: [PATCH -V6 00/26] New ACL format for better NFSv4 acl interoperability

[Aneesh Kumar K.V]

On Wed, 7 Sep 2011 19:44:08 -0400, "J. Bruce Fields" <bfields@xxxxxxxxxxxx> wrote:
> On Mon, Sep 05, 2011 at 10:55:22PM +0530, Aneesh Kumar K.V wrote:
> > Hi,
> > 
> > The following set of patches implements VFS and ext4 changes needed to implement
> > a new acl model for linux. Rich ACLs are an implementation of NFSv4 ACLs,
> > extended by file masks to fit into the standard POSIX file permission model.
> > They are designed to work seamlessly locally as well as across the NFSv4 and
> > CIFS/SMB2 network file system protocols.
> 
> The posix acl mapping that samba and nfsd currently have to do is
> painful for everyone and I'm delighted to get away from it.
> 
> My main remaining worry (besides the fact that cifs/v4 acls are too
> complicated--but what can we do about that?)--is about how exactly the
> (acl, mask)->acl mapping is going to work for nfsd and samba.

I already have changes to nfsd that maps NFSv4 ACL to the richacl. You
will find that in richaclv23 branch

git://git.kernel.org/pub/scm/linux/kernel/git/kvaneesh/linux-richacl.git richaclv23

> 
> If we assume that filesystems are going to mostly use acls or mostly
> mode bits, then maybe that part doesn't matter a whole lot.  I don't
> know.
> 

-aneesh
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