io_schedule_timeout

函数名称：This task is about to go to sleep on IO. Increment rq->nr_iowait so* that process accounting knows that this is a task in IO wait state.

函数原型：long __sched io_schedule_timeout(long timeout)

返回类型：long

参数：

类型	参数	名称
long	timeout

5791

token等于io_schedule_prepare()

5792

ret等于schedule_timeout - sleep until timeout*@timeout: timeout value in jiffies* Make the current task sleep until @timeout jiffies have* elapsed

5793

io_schedule_finish(token)

5795

返回:ret

**调用者**
名称	描述
bit_wait_io_timeout
balance_dirty_pages	alance_dirty_pages() must be called by processes which are generating dirty* data
congestion_wait	gestion_wait - wait for a backing_dev to become uncongested@sync: SYNC or ASYNC IO@timeout: timeout in jiffies* Waits for up to @timeout jiffies for a backing_dev (any backing_dev) to exit* write congestion
wait_iff_congested	wait_iff_congested - Conditionally wait for a backing_dev to become uncongested or a pgdat to complete writes@sync: SYNC or ASYNC IO@timeout: timeout in jiffies* In the event of a congested backing_dev (any backing_dev) this waits* for up to @timeout
mempool_alloc	mempool_alloc - allocate an element from a specific memory pool@pool: pointer to the memory pool which was allocated via mempool_create().@gfp_mask: the usual allocation bitmask. this function only sleeps if the alloc_fn() function sleeps or

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