nlm_init_fh_by_vp
error = nlm_init_fh_by_vp(vp, &lm_fh, &vers);
error = nlm_init_fh_by_vp(llp->ll_vp, &lm_fh, &vers);
error = nlm_init_fh_by_vp(nsp->ns_vp, &lm_fh, &vers);
error = nlm_init_fh_by_vp(vp, &lm_fh, &vers);
static int nlm_init_fh_by_vp(vnode_t *, struct netobj *, rpcvers_t *);