Date: Wed, 30 Jul 2014 14:05:52 -0400
From: "J. Bruce Fields" <bfields@fieldses.org>
To: "McEvoy, James" <james.mcevoy@hp.com>
Cc: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: NFSv4.1 ACL reference implementation
Message-ID: <20140730180552.GI26316@fieldses.org>
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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.

> 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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