函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\mq-deadline.c Create Date:2022-07-27 19:26:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：deadline_read_expire_store

函数原型：static ssize_t deadline_read_expire_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_tcount
636  dd等于elevator_data
636  deadline_var_store( & __data, (page))
636  如果__data小于0则__data等于0
636  否则如果__data大于0U的反右移1位则__data等于0U的反右移1位
636  如果1则** settings that change how the i/o scheduler behaves[0]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
636  否则** settings that change how the i/o scheduler behaves[0]等于__data
636  返回:count