On Wed, Jul 20, 2011 at 10:47:21AM +1000, NeilBrown wrote:
> > > 
> > > Kudos to neilb for spotting the pointless check, BTW; and no, his theory
> > > that it might be needed since we could race with umount() is wrong - due to
> > > vfsmount_lock being held.
> 
> Thanks.. but that patch seems to introduce an unused variable "seq".
> 
> NeilBrown

Grr...  I can amend and push again, of course, but I've no idea if Linus
has already pulled into his tree ;-/  Still not there in tree on hera,
but that's not saying much.  Linus?