bfq_updated_next_req

Name:q_updated_next_req - update the queue after a new next_rq selection

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

Type:void

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd
struct bfq_queue *	bfqq

942

entity = ity representing this queue in the scheduler

943

next_rq = fifo isn't expired, next request to serve

946

If Not next_rq Then Return

949

If bfqq == bfq_queue in service Then Return

956

new_budget = max_t - return maximum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(unsignedlong, max_t - return maximum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(unsignedlong, maximum budget allowed from the feedback mechanism , see the definition of bfq_async_charge_factor for details ), amount of service received during the last service slot )

960

If budget, used also to calculate F_i: F_i = S_i + @budget / @weight != new_budget Then

961

budget, used also to calculate F_i: F_i = S_i + @budget / @weight = new_budget

962

bfq_log_bfqq(bfqd, bfqq, "updated next rq: new budget %lu", new_budget)

964

bfq_requeue_bfqq(bfqd, bfqq, false)

**Caller**
Name	Describe
bfq_add_request
bfq_remove_request
bfq_request_merged

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion