__dget_dlock

函数名称：This must be called with d_lock held

函数原型：static inline void __dget_dlock(struct dentry *dentry)

返回类型：void

参数：

类型	参数	名称
struct dentry *	dentry

**调用者**
名称	描述
__d_find_alias	d_find_alias - grab a hashed alias of inode@inode: inode in question If inode has a hashed alias, or is a directory and has any alias,* acquire the reference to alias and return it
find_submount
d_alloc	分配高速缓存区
d_exact_alias	d_exact_alias - find and hash an exact unhashed alias@entry: dentry to add@inode: The inode to go with this dentry* If an unhashed dentry with the same name/parent and desired* inode already exists, hash and return it. Otherwise, return* NULL.

函数逻辑报告