RWL_DUPOK
rw_init_flags(&sc->sc_lock, "wsmuxlk", RWL_DUPOK);
rrw_init_flags(&ip->i_lock, "isoinode", RWL_DUPOK | RWL_IS_VNODE);
rrw_init_flags(&up->u_lock, "unode", RWL_DUPOK | RWL_IS_VNODE);
rw_init_flags_trace(&so->so_lock, dom_name, RWL_DUPOK,
RWL_DUPOK | RWL_IS_VNODE);
rrw_init_flags(&ldep->de_lock, "denode", RWL_DUPOK | RWL_IS_VNODE);
rrw_init_flags(&np->n_lock, "nfsnode", RWL_DUPOK | RWL_IS_VNODE);
((ISSET(flags, RWL_DUPOK) ? LO_DUPOK : 0) | \
((ISSET(flags, RWL_DUPOK) ? LO_DUPOK : 0) | \
rrw_init_flags(&node->tn_vlock, "tnode", RWL_DUPOK | RWL_IS_VNODE);
rrw_init_flags(&ip->i_lock, "inode", RWL_DUPOK | RWL_IS_VNODE);
rrw_init_flags(&ip->i_lock, "inode", RWL_DUPOK | RWL_IS_VNODE);
rw_init_flags(&map->lock, "vmmaplk", RWL_DUPOK);