extern void scsi_add_timer(struct scsi_cmnd *, int,
void (*)(struct scsi_cmnd *));
extern int scsi_delete_timer(struct scsi_cmnd *);
extern void scsi_add_timer(struct scsi_cmnd *, int,
void (*)(struct scsi_cmnd *));
extern int scsi_delete_timer(struct scsi_cmnd *);