Re: [PATCH 1/6] statx: Add a system call to make enhanced file info available

From: David Howells
Date: Thu May 05 2016 - 16:04:17 EST

Jeff Layton <jlayton@xxxxxxxxxxxxxxx> wrote:

> I don't see a real attack vector here either, but OTOH is there a
> potential user of this at the moment?

I'm not sure. BSD stat has an st_gen, so it's possible something out there
will use it if it exists.

> An earlier chunk of the patch description says:
> (7) Inode generation number: Useful for FUSE and userspace NFS servers
> ÂÂÂÂÂ[Bernd Schubert].ÂÂThis was asked for but later deemed unnecessary
> ÂÂÂÂÂwith the open-by-handle capability available
> ...the last bit seems to indicate that we don't really need this
> anyway, as most userland servers now work with filehandles from the
> kernel.
> Maybe leave it out for now? It can always be added later.

Yeah... probably a good idea.