trim_prefix

函数名称：Return the path relative to source root

函数原型：static inline const char *trim_prefix(const char *path)

返回类型：char

参数：

类型	参数	名称
const char *	path

**调用者**
名称	描述
ddebug_change	Search the tables for _ddebug's which match the given `query' and* apply the `flags' and `mask' to them. Returns number of matching* callsites, normally the same as number of changes. If verbose,* logs the changes. Takes ddebug_lock.
ddebug_proc_show	Seq_ops show method. Called several times within a read()* call from userspace, with ddebug_lock held. Formats the* current _ddebug as a single human-readable line, with a* special case for the header line.

函数逻辑报告