RDF_WLABEL
sc->sc_flags |= RDF_WLABEL;
sc->sc_flags &= ~RDF_WLABEL;
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask,
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dkdev.dk_openmask,
sc->sc_flags = RDF_ALIVE | RDF_WLABEL;
sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL);
(sc->sc_flags & RDF_WLABEL) != 0) <= 0)
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask,
sc->sc_flags = RDF_ALIVE | RDF_WLABEL;
sc->sc_flags &= ~(RDF_CLOSING | RDF_WLABEL);
!(bp->b_flags & B_READ) && !(sc->sc_flags & RDF_WLABEL)) {
sc->sc_flags |= RDF_WLABEL;
sc->sc_flags &= ~RDF_WLABEL;
(sc->sc_flags & RDF_WLABEL) ? 0 : sc->sc_dk.dk_openmask,