On Tue, Apr 04, 2017 at 12:12:52AM -0700, Christoph Hellwig wrote: > On Fri, Mar 31, 2017 at 06:32:17PM +0100, David Howells wrote: > > Include a mask in struct stat to indicate which bits of stx_attributes the > > filesystem actually supports. > > What's the use case for this? ping!