RF_SstfQ_t
closest_to_arm(RF_SstfQ_t *queue, RF_SectorNum_t arm_pos, int *dir, int allow_reverse)
do_dequeue(RF_SstfQ_t *queue, RF_DiskQueueData_t *req)
closest_to_arm(RF_SstfQ_t *,
static void do_dequeue(RF_SstfQ_t *, RF_DiskQueueData_t *);
RF_SstfQ_t left;
RF_SstfQ_t right;
RF_SstfQ_t lopri;