Adding creator owner support to nfs4:mode simple.

Nimrod Sapir NIMRODS at
Thu Oct 18 03:00:14 MDT 2012

> On Tue, 2012-10-16 at 17:49 +0200, Nimrod Sapir wrote:
> > Hi Alexander 
> > 
> > I am trying to understand the benefit of the patch you provided.
> > Ideally, I would expect that the "special:owner@" entry in gpfs will
> > be translated into "CREATOR OWNER" when querying permissions using
> > Windows, and vice-versa. If I understand correctly (based on what you
> > have written and some tests I've done with the patch). The behavior
> > I've seen, when using the patch, is that adding "CREATOR OWNER"
> > permission through the windows explorer is translated If you do have a
> > into "special:owner@" on gpfs and behaves accordingly, but still
> > appears as user ACE in windows explorer (although subfolders or files
> > with different owner will receive permissions to the actual owner).
> > The behavior before the patch seems more unpredictable. 
> > Is this is the expected behavior with the patch? If so, is there a
> > plan to improve the behavior so that full translation of "CREATOR
> > OWNER" to "special:owner" will be done? 
> > 
> No, this isn't the intended behavior.
> An creator owner acl that is applied to subfolders and files should be
> stored as an special@:owner acl that's inheritonly and appear as a
> creator owner acl in the explorer.
> What's your setting for the parameter nfs4:mode?
> It sounds like you have that set to special instead of simple.
> In that case the creator owner entries are mapped to the special:owner@
> entries since they do have the correct semantics which is a slight
> improvement over dropping them at all. They are displayed as inherited
> user entries right now but don't follow the semantics which is a bug in
> the nfs4:mode special.
> > Thanks! 
> > Nimrod Sapir 
> > IBM - XIV, Israel 
> > NAS Development Team 
> > Office: +972-3-689-7763 
> > Cell:   +972-54-7726-320 
> > 

Yes, this is indeed the case. I will re-try this flow with in the simple 
mode. Sorry for your trouble. 


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