bioq_insert_head
bioq_insert_head(&isc->trim_queue, bp);
bioq_insert_head(&sc->xbd_bioq, bp);
bioq_insert_head(&sc->sc_inqueue, bp);
bioq_insert_head(&sc->sc_inqueue, bp);
bioq_insert_head(&sc->sc_inqueue, bp);
bioq_insert_head(&sc->sc_queue, bp);
bioq_insert_head(&sc->sc_queue, bp);
bioq_insert_head(&sc->sc_regular_delayed, bp);
bioq_insert_head(&sc->sc_queue, bp);
bioq_insert_head(&sc->sc_queue, bp);
void bioq_insert_head(struct bio_queue_head *head, struct bio *bp);