kernfs_node_from

函数名称：kernfs_node_from_dentry

函数原型：static inline struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)

返回类型：struct kernfs_node

参数：

类型	参数	名称
struct dentry *	dentry

**调用者**
名称	描述
css_tryget_online_from_dir	ss_tryget_online_from_dir - get corresponding css from a cgroup dentry@dentry: directory dentry of interest@ss: subsystem of interest* If @dentry is a directory for a cgroup which has @ss enabled on it, try* to get the corresponding css and return it
cgroupstats_build	groupstats_build - build and fill cgroupstats@stats: cgroupstats to fill information into@dentry: A dentry entry belonging to the cgroup for which stats have* been requested.* Build and fill cgroupstats so that taskstats can export it to user* space.

函数逻辑报告