lookup_one_len

函数名称：lookup_one_len_unlocked - filesystem helper to lookup single pathname component*@name: pathname component to lookup*@base: base directory to lookup from*@len: maximum length @len should be interpreted to* Note that this routine is purely a helper for

函数原型：struct dentry *lookup_one_len_unlocked(const char *name, struct dentry *base, int len)

返回类型：struct dentry

参数：

类型	参数	名称
const char *	name
struct dentry *	base
int	len

2553

err等于lookup_one_len_common(name, base, len, & this)

2554

如果err则返回:错误号

2557

ret等于This looks up the name in dcache and possibly revalidates the found dentry.* NULL is returned if the dentry does not exist in the cache.

2558

如果非ret则ret等于lookup_slow( & this, base, 0)

2560

返回:ret

**调用者**
名称	描述
lookup_positive_unlocked	Like lookup_one_len_unlocked(), except that it yields ERR_PTR(-ENOENT)* on negatives

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

函数逻辑报告