函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\readahead.c Create Date:2022-07-27 15:35:31
Last Modify:2020-03-17 21:13:07 Copyright©Brick
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函数名称：Initialise a struct file's readahead state. Assumes that the caller has* memset *ra to zero.

函数原型：void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping)

返回类型：void

参数：

类型参数名称
struct file_ra_state *ra
struct address_space *mapping
35  Maximum readahead window 等于 max readahead in PAGE_SIZE units
36  Cache last read() position 等于负1
调用者
名称描述
do_dentry_open