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

David Howells dhowells at redhat.com
Thu May 5 20:04:09 UTC 2016

Jeff Layton <jlayton at poochiereds.net> 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
>      [Bernd Schubert].  This was asked for but later deemed unnecessary
>      with 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.


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