From: "McEvoy, James" <james.mcevoy@hp.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
CC: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
        "Fernandez, Roselle N" <roselle.fernandez@hp.com>,
        "Palanisamy, Nandesh" <nandesh.palanisamy@hp.com>
Subject: RE: NFSv4.1 ACL reference implementation
Date: Wed, 30 Jul 2014 18:15:37 +0000
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 <20140729210901.GA24471@fieldses.org>
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> -----Original Message-----
> From: linux-nfs-owner@vger.kernel.org [mailto:linux-nfs-
> owner@vger.kernel.org] On Behalf Of J. Bruce Fields
> Sent: Wednesday, July 30, 2014 11:06 AM
> To: McEvoy, James
> Cc: linux-nfs@vger.kernel.org
> Subject: Re: NFSv4.1 ACL reference implementation
> 
> On Wed, Jul 30, 2014 at 05:08:25PM +0000, McEvoy, James wrote:
> > We are implementing NFSv4.1 ACLs in the filesystem mostly to support
> > SMB/CIFS but I am seeing some strange behavior with ACL group
> > inheritance on children/grand-children using the nfs4_setfacl and
> > nfs4_getfacl on the parent directory.  The problems are mostly with
> > inheritance on the @OWNER and @GROUP ACEs...
> 
> The usual problem is that the umask is applied.

Where can I find the proper behavior between umask and inheritance? 

> 
> > What I am looking for is a reference that I can use to validate ACL
> > inheritance behavior. Is there a distro that has a filesystem which
> > supports
> > NFSv4 ACLs?  Or ideally an rpm that I could install on a CentOS6 VM.
> > I have tried using the richacl mount option on OpenSUSE 13.1 but the
> > nfs4_getfacl command returns:
> > "Operation to request attribute not supported."
> > The fstab entry to mount the filesystem is:
> > /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0-part3 \
> > 	/home	ext4	acl,richacl,user_xattr 1 2
> >
> > Do you have any recommendations as to what and how I can install a
> > filesystem that supports nfsv4 ACLs?
> 
> No, they all just do "posix" acls and nfsd tries to translate.
> 
> But the umask issue is somewhat of a separate issue.
> 
> --b.
> 
> >
> >   --jim
> >
> > > -----Original Message-----
> > > From: linux-nfs-owner@vger.kernel.org [mailto:linux-nfs-
> > > owner@vger.kernel.org] On Behalf Of J. Bruce Fields
> > > Sent: Tuesday, July 29, 2014 2:09 PM
> > > To: McEvoy, James
> > > Cc: linux-nfs@vger.kernel.org
> > > Subject: Re: NFSv4.1 ACL reference implementation
> > >
> > > On Tue, Jul 29, 2014 at 07:18:03PM +0000, McEvoy, James wrote:
> > > > Is there a working NFSv4.1 reference implementation available and
> > > > are there
> > > any instructs on how to build/install it?
> > >
> > > I don't recall seeing any, no.
> > >
> > > (Most NFSv4.0 ACL implementations should still be perfectly
> > > compliant with the
> > > NFSv4.1 spec too as far as I know.  But I don't know of any
> > > implementations of the ACL features that are new to RFC 5661.  Is
> > > there any particular feature that you're interested in?)
> > >
> > > --b.
> > > --
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