函数逻辑报告

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Brick Technologies Co., Ltd

Source Code:block\mq-deadline.c Create Date:2022-07-27 19:26:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：deadline_check_fifo returns 0 if there are no expired requests on the fifo,* 1 otherwise. Requires !list_empty(&dd->fifo_list[data_dir])

函数原型：static inline int deadline_check_fifo(struct deadline_data *dd, int ddir)

返回类型：int

参数：

类型参数名称
struct deadline_data *dd
intddir
185  rq等于rq_entry_fifo(链表后项)
190  如果time_after_eq(jiffies, (unsignedlong)fifo_time)则返回:1
193  返回:0
调用者
名称描述
__dd_dispatch_requestdeadline_dispatch_requests selects the best request according to* read/write expire, fifo_batch, etc