17 /* Records completed count and recalculates the queue limit */
20 	unsigned int inprogress, prev_inprogress, limit;  in dql_completed()  local
30 	limit = dql->limit;  in dql_completed()
31 	ovlimit = POSDIFF(num_queued - dql->num_completed, limit);  in dql_completed()
40 		 *   - The queue was over-limit in the last interval,  in dql_completed()
43 		 *   - The queue was over-limit in the previous interval and  in dql_completed()
49 		 *     When queue is starved increase the limit by the amount  in dql_completed()
51 		 *     plus any previous over-limit.  in dql_completed()
53 		limit += POSDIFF(completed, dql->prev_num_queued) +  in dql_completed()
59 		 * Queue was not starved, check if the limit can be decreased.  in dql_completed()
64 		 * the amount needed to prevent starvation, the queue limit  in dql_completed()
73 		 *   - The queue limit plus previous over-limit minus twice  in dql_completed()
76 		 *     of the limit.  in dql_completed()
78 		 *     was not part of non-zero previous over-limit.  That is  in dql_completed()
82 		slack = POSDIFF(limit + dql->prev_ovlimit,  in dql_completed()
94 			limit = POSDIFF(limit, dql->lowest_slack);  in dql_completed()
100 	/* Enforce bounds on limit */  in dql_completed()
101 	limit = clamp(limit, dql->min_limit, dql->max_limit);  in dql_completed()
103 	if (limit != dql->limit) {  in dql_completed()
104 		dql->limit = limit;  in dql_completed()
108 	dql->adj_limit = limit + completed;  in dql_completed()
119 	dql->limit = 0;  in dql_reset()