extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
extern void mptscsih_timer_expired(unsigned long data);
extern int mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
-extern void mptscsih_poll(struct scsi_device *sdev);
extern int mptscsih_raid_id_to_num(MPT_SCSI_HOST *hd, uint physdiskid);
extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id);