bfq_timeout_sync_store

函数名称：Leaving this name to preserve name compatibility with cfq* parameters, but this timeout is used for both sync and async.

函数原型：static ssize_t bfq_timeout_sync_store(struct elevator_queue *e, const char *page, size_t count)

返回类型：ssize_t

参数：

类型	参数	名称
struct elevator_queue *	e
const char *	page
size_t	count

6700

bfqd等于elevator_data

6704

ret等于bfq_var_store( & __data, (page))

6705

如果ret则返回:ret

6708

如果__data小于1则__data等于1

6710

否则如果__data大于INT_MAX则__data等于INT_MAX

6713

* Timeout for bfq_queues to consume their budget; used to * prevent seeky queues from imposing long latencies to * sequential or quasi-sequential ones (this also implies that * seeky queues cannot receive guarantees in the service * domain; after a timeout等于msecs_to_jiffies: - convert milliseconds to jiffies*@m: time in milliseconds* conversion is done as follows:* - negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET)* - 'too large' values [that would result in larger than

6714

如果 user-configured max budget value (0 for auto-tuning) 恒等于0则 maximum budget allotted to a bfq_queue before rescheduling 等于In autotuning mode, max_budget is dynamically recomputed as the* amount of sectors transferred in timeout at the estimated peak* rate. This enables BFQ to utilize a full timeslice with a full* budget, even if the in-service queue is served at peak rate

6717

返回:count

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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