20 void blk_rq_stat_init(struct blk_rq_stat *stat)  in blk_rq_stat_init()  argument
22 	stat->min = -1ULL;  in blk_rq_stat_init()
23 	stat->max = stat->nr_samples = stat->mean = 0;  in blk_rq_stat_init()
24 	stat->batch = 0;  in blk_rq_stat_init()
42 void blk_rq_stat_add(struct blk_rq_stat *stat, u64 value)  in blk_rq_stat_add()  argument
44 	stat->min = min(stat->min, value);  in blk_rq_stat_add()
45 	stat->max = max(stat->max, value);  in blk_rq_stat_add()
46 	stat->batch += value;  in blk_rq_stat_add()
47 	stat->nr_samples++;  in blk_rq_stat_add()
54 	struct blk_rq_stat *stat;  in blk_stat_add()  local
71 		stat = &get_cpu_ptr(cb->cpu_stat)[bucket];  in blk_stat_add()
72 		blk_rq_stat_add(stat, value);  in blk_stat_add()
85 		blk_rq_stat_init(&cb->stat[bucket]);  in blk_stat_timer_fn()
92 			blk_rq_stat_sum(&cb->stat[bucket], &cpu_stat[bucket]);  in blk_stat_timer_fn()
111 	cb->stat = kmalloc_array(buckets, sizeof(struct blk_rq_stat),  in blk_stat_alloc_callback()
113 	if (!cb->stat) {  in blk_stat_alloc_callback()
120 		kfree(cb->stat);  in blk_stat_alloc_callback()
175 	kfree(cb->stat);  in blk_stat_free_callback_rcu()