[PATCH]Do not open the dir for purely attr/acl related mask

[Christof Schmitt]

On Tue, Jan 14, 2014 at 11:55:59AM +0530, Abhidnya S Joshi wrote:
> Hi list,
> 
> Please find the attached patch which modifies open_directory call to get 
> rid of unnecessary open. 
> As Samba always opens the directory, dir operations always require 
> READ_DATA/read set on dir which is not true with Windows.
> The example operation is set ACL on dir by owner when there are zero ACLs. 
> This way is already present for files.
> Please let me know suggestions/comments
> 
> I am also trying to write torture test around this.

This looks good to me. It also matches the 'stat open' for files, so
having a similar codepath for directories makes sense.

Christof