bfq_may_expire_for_budg

函数名称：If we expire a queue that is actively waiting (i.e., with the* device idled) for the arrival of a new request, then we may incur* the timestamp misalignment problem described in the body of the* function __bfq_activate_entity

函数原型：static bool bfq_may_expire_for_budg_timeout(struct bfq_queue *bfqq)

返回类型：bool

参数：

类型	参数	名称
struct bfq_queue *	bfqq

4068

bfq_log_bfqq(parent bfq_data , bfqq, "may_budget_timeout: wait_request %d left %d timeout %d", bfq_bfqq_wait_request(bfqq), bfq_bfqq_budget_left(bfqq) >= budget, used also to calculate F_i: F_i = S_i + @budget / @weight / 3, Budget timeout is not implemented through a dedicated timer, but* just checked on request arrivals and completions, as well as on* idle timer expirations.)

4074

返回:非bfq_bfqq_wait_request(bfqq)或bfq_bfqq_budget_left(bfqq)大于等于 budget, used also to calculate F_i: F_i = S_i + @budget / @weight 除3的值且Budget timeout is not implemented through a dedicated timer, but* just checked on request arrivals and completions, as well as on* idle timer expirations.

**调用者**
名称	描述
bfq_select_queue	Select a queue for service. If we have a current queue in service,* check whether to continue servicing it, or retrieve and set a new one.
bfq_completed_request

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告