ata_queue_get_active_xfer_locked
xfer = ata_queue_get_active_xfer_locked(chp);
xfer = ata_queue_get_active_xfer_locked(chp);
ata_queue_get_active_xfer_locked(struct ata_channel *);
xfer = ata_queue_get_active_xfer_locked(chp);
xfer = ata_queue_get_active_xfer_locked(chp);