89 struct dentry {  struct
92 	spinlock_t d_lock;		/* per dentry lock */  argument
101 	struct dentry *d_parent;	/* parent directory */  argument
115 	struct dentry_operations *d_op;  argument
116 	struct super_block *d_sb;	/* The root of the dentry tree */  argument
123  * dentry->d_lock spinlock nesting subclasses:  argument
206 static inline void __d_drop(struct dentry *dentry)  in __d_drop()
214 static inline void d_drop(struct dentry *dentry)  in d_drop()
223 static inline int dname_external(struct dentry *dentry)  in dname_external()
331 static inline struct dentry *dget(struct dentry *dentry)  in dget()
349 static inline int d_unhashed(struct dentry *dentry)  in d_unhashed()
354 static inline struct dentry *dget_parent(struct dentry *dentry)  in dget_parent()
366 static inline int d_mountpoint(struct dentry *dentry)  in d_mountpoint()