G_MIRROR_DEVICE_FLAG_WIPE
(sc->sc_flags & G_MIRROR_DEVICE_FLAG_WIPE) == 0) {
if ((sc->sc_flags & G_MIRROR_DEVICE_FLAG_WIPE) == 0)
sc->sc_flags |= G_MIRROR_DEVICE_FLAG_WIPE;
sc->sc_flags &= ~G_MIRROR_DEVICE_FLAG_WIPE;