G_MIRROR_BUMP_SYNCID
if ((sc->sc_bump_id & G_MIRROR_BUMP_SYNCID) != 0) {
sc->sc_bump_id &= ~G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
if ((sc->sc_bump_id & G_MIRROR_BUMP_SYNCID) != 0)
sc->sc_bump_id &= ~G_MIRROR_BUMP_SYNCID;
disk->d_softc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;
sc->sc_bump_id |= G_MIRROR_BUMP_SYNCID;