104 	struct kernfs_node	*target_kn;
111 	struct kernfs_node	*notify_next;	/* for kernfs_notify() */
123 struct kernfs_node {  struct
135 	struct kernfs_node	*parent;  argument
171 	int (*mkdir)(struct kernfs_node *parent, const char *name,
173 	int (*rmdir)(struct kernfs_node *kn);
174 	int (*rename)(struct kernfs_node *kn, struct kernfs_node *new_parent,
176 	int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
182 	struct kernfs_node	*kn;
199 	struct kernfs_node	*kn;
287 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()
310 static inline ino_t kernfs_ino(struct kernfs_node *kn)  in kernfs_ino()
315 static inline ino_t kernfs_gen(struct kernfs_node *kn)  in kernfs_gen()
328 static inline void kernfs_enable_ns(struct kernfs_node *kn)  in kernfs_enable_ns()
341 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()
346 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen);
347 int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn,
349 void pr_cont_kernfs_name(struct kernfs_node *kn);
350 void pr_cont_kernfs_path(struct kernfs_node *kn);
351 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn);
352 struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,
354 struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,
356 void kernfs_get(struct kernfs_node *kn);
357 void kernfs_put(struct kernfs_node *kn);
359 struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry);
361 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
363 struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
369 struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,
373 struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,
375 struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
382 struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
384 				       struct kernfs_node *target);
385 void kernfs_activate(struct kernfs_node *kn);
386 void kernfs_remove(struct kernfs_node *kn);
387 void kernfs_break_active_protection(struct kernfs_node *kn);
388 void kernfs_unbreak_active_protection(struct kernfs_node *kn);
389 bool kernfs_remove_self(struct kernfs_node *kn);
390 int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
392 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
394 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr);
397 void kernfs_notify(struct kernfs_node *kn);
399 int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
401 int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
411 struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
415 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()
418 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }  in kernfs_enable_ns()
420 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()
423 static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()
426 static inline int kernfs_path_from_node(struct kernfs_node *root_kn,  in kernfs_path_from_node()
427 					struct kernfs_node *kn,  in kernfs_path_from_node()
431 static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { }  in pr_cont_kernfs_name()
432 static inline void pr_cont_kernfs_path(struct kernfs_node *kn) { }  in pr_cont_kernfs_path()
434 static inline struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()
437 static inline struct kernfs_node *
438 kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name,  in kernfs_find_and_get_ns()
441 static inline struct kernfs_node *
442 kernfs_walk_and_get_ns(struct kernfs_node *parent, const char *path,  in kernfs_walk_and_get_ns()
446 static inline void kernfs_get(struct kernfs_node *kn) { }  in kernfs_get()
447 static inline void kernfs_put(struct kernfs_node *kn) { }  in kernfs_put()
449 static inline struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)  in kernfs_node_from_dentry()
456 kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()
466 static inline struct kernfs_node *
467 kernfs_create_dir_ns(struct kernfs_node *parent, const char *name,  in kernfs_create_dir_ns()
472 static inline struct kernfs_node *
473 __kernfs_create_file(struct kernfs_node *parent, const char *name,  in __kernfs_create_file()
479 static inline struct kernfs_node *
480 kernfs_create_link(struct kernfs_node *parent, const char *name,  in kernfs_create_link()
481 		   struct kernfs_node *target)  in kernfs_create_link()
484 static inline void kernfs_activate(struct kernfs_node *kn) { }  in kernfs_activate()
486 static inline void kernfs_remove(struct kernfs_node *kn) { }  in kernfs_remove()
488 static inline bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()
491 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,  in kernfs_remove_by_name_ns()
495 static inline int kernfs_rename_ns(struct kernfs_node *kn,  in kernfs_rename_ns()
496 				   struct kernfs_node *new_parent,  in kernfs_rename_ns()
500 static inline int kernfs_setattr(struct kernfs_node *kn,  in kernfs_setattr()
504 static inline void kernfs_notify(struct kernfs_node *kn) { }  in kernfs_notify()
506 static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,  in kernfs_xattr_get()
510 static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,  in kernfs_xattr_set()
540 static inline int kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_path()
545 static inline struct kernfs_node *
546 kernfs_find_and_get(struct kernfs_node *kn, const char *name)  in kernfs_find_and_get()
551 static inline struct kernfs_node *
552 kernfs_walk_and_get(struct kernfs_node *kn, const char *path)  in kernfs_walk_and_get()
557 static inline struct kernfs_node *
558 kernfs_create_dir(struct kernfs_node *parent, const char *name, umode_t mode,  in kernfs_create_dir()
566 static inline struct kernfs_node *
567 kernfs_create_file_ns(struct kernfs_node *parent, const char *name,  in kernfs_create_file_ns()
581 static inline struct kernfs_node *
582 kernfs_create_file(struct kernfs_node *parent, const char *name, umode_t mode,  in kernfs_create_file()
590 static inline int kernfs_remove_by_name(struct kernfs_node *parent,  in kernfs_remove_by_name()
596 static inline int kernfs_rename(struct kernfs_node *kn,  in kernfs_rename()
597 				struct kernfs_node *new_parent,  in kernfs_rename()