----- Ursprüngliche Mail ----- > Von: "Jeff Layton" <jlayton@xxxxxxxxxx> > What happens when CROSSMOUNT isn't enabled and someone tries to stroll > into an automount point? I'm guessing the automount happens but the > export is denied? Exactly. On the other hand, why should knfsd not trigger automounts? Almost any userspace interaction would also do so. > It seems like LOOKUP_AUTOMOUNT ought to be conditional > on the parent export having CROSSMOUNT set. > > There's also another caller of follow_down too, the UNIX98 pty code. > This may be harmless for it, but it'd be best not to perturb that if we > can help it. > > Maybe follow_down can grow a lookupflags argument? So, in nfsd_cross_mnt() the follow_down() helper should use LOOKUP_AUTOMOUNT only if exp->ex_flags & NFSEXP_CROSSMOUNT is true? Sounds sane, thanks for the pointer. Thanks, //richard
