__bfq_set_in_service_queue

Name:__bfq_set_in_service_queue

Proto:static void __bfq_set_in_service_queue(struct bfq_data *bfqd, struct bfq_queue *bfqq)

Type:void

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd
struct bfq_queue *	bfqq

2894

If bfqq Then

2895

bfq_clear_bfqq_fifo_expire(bfqq)

2897

number of budgets assigned = ( number of budgets assigned * 7 + 256) / 8

2899

If ime_is_before_jiffies(a) return true if a is before jiffies (Start time of the current weight-raising period if* the @bfq-queue is being weight-raised, otherwise* finish time of the last weight-raising period.) && actor by which the weight of this queue is multiplied > 1 && current maximum weight-raising time for this queue == Maximum weight-raising duration for soft real-time processes && ime_is_before_jiffies(a) return true if a is before jiffies (udget expiration (in jiffies) ) Then

2927

If These inlines deal with timer wrapping correctly. You are * strongly encouraged to use them* 1. Because people otherwise forget* 2. Because if the timer wrap changes in future you won't have to* alter your driver code.(udget expiration (in jiffies) , Start time of the current weight-raising period if* the @bfq-queue is being weight-raised, otherwise* finish time of the last weight-raising period.) Then Start time of the current weight-raising period if* the @bfq-queue is being weight-raised, otherwise* finish time of the last weight-raising period. += jiffies - udget expiration (in jiffies)

2931

Else Start time of the current weight-raising period if* the @bfq-queue is being weight-raised, otherwise* finish time of the last weight-raising period. = jiffies

2935

Set the maximum time for the in-service queue to consume its* budget. This prevents seeky processes from lowering the throughput.* In practice, a time-slice service scheme is used with seeky* processes.

2936

bfq_log_bfqq(bfqd, bfqq, "set_in_service_queue, cur-budget = %d", budget, used also to calculate F_i: F_i = S_i + @budget / @weight )

2941

bfq_queue in service = bfqq

**Caller**
Name	Describe
bfq_set_in_service_queue	Get and set a new queue for service.

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