函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\seq_file.c Create Date:2022-07-29 10:40:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：rns the path of the 'dentry' from the root of its filesystem.

函数原型：int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc)

返回类型：int

参数：

类型参数名称
struct seq_file *m
struct dentry *dentry
const char *esc
534  size等于获取任意数据的缓冲区
535  res等于负1
537  如果size则
538  p等于dentry_path(dentry, buf, size)
539  如果非是错误则
540  end等于mangle_path - mangle and copy path to buffer beginning*@s: buffer start*@p: beginning of path in above buffer*@esc: set of characters that need escaping* Copy the path from @p to @s, replacing each occurrence of character from*@esc with usual octal escape
541  如果end则res等于end减buf
545  seq_commit - commit data to the buffer*@m: the seq_file handle*@num: the number of bytes to commit* Commit @num bytes of data written to a buffer previously acquired* by seq_buf_get. To signal an error condition, or that the data
547  返回:res
调用者
名称描述
show_mountinfo