171 	struct kernfs_node	*target_kn;
178 	struct kernfs_node	*notify_next;	/* for kernfs_notify() */
190 struct kernfs_node {  struct
202 	struct kernfs_node	*parent;  argument
238 	int (*mkdir)(struct kernfs_node *parent, const char *name,
240 	int (*rmdir)(struct kernfs_node *kn);
241 	int (*rename)(struct kernfs_node *kn, struct kernfs_node *new_parent,
243 	int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
247 struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root);
251 	struct kernfs_node	*kn;
335 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()
358 static inline ino_t kernfs_ino(struct kernfs_node *kn)  in kernfs_ino()
363 static inline ino_t kernfs_gen(struct kernfs_node *kn)  in kernfs_gen()
376 static inline void kernfs_enable_ns(struct kernfs_node *kn)  in kernfs_enable_ns()
389 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()
394 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen);
395 int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn,
397 void pr_cont_kernfs_name(struct kernfs_node *kn);
398 void pr_cont_kernfs_path(struct kernfs_node *kn);
399 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn);
400 struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,
402 struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,
404 void kernfs_get(struct kernfs_node *kn);
405 void kernfs_put(struct kernfs_node *kn);
407 struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry);
409 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
411 struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
417 struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,
421 struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,
423 struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
430 struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
432 				       struct kernfs_node *target);
433 void kernfs_activate(struct kernfs_node *kn);
434 void kernfs_show(struct kernfs_node *kn, bool show);
435 void kernfs_remove(struct kernfs_node *kn);
436 void kernfs_break_active_protection(struct kernfs_node *kn);
437 void kernfs_unbreak_active_protection(struct kernfs_node *kn);
438 bool kernfs_remove_self(struct kernfs_node *kn);
439 int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
441 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
443 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr);
446 void kernfs_notify(struct kernfs_node *kn);
448 int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
450 int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
460 struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
464 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()
467 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }  in kernfs_enable_ns()
469 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()
472 static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()
475 static inline int kernfs_path_from_node(struct kernfs_node *root_kn,  in kernfs_path_from_node()
476 					struct kernfs_node *kn,  in kernfs_path_from_node()
480 static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { }  in pr_cont_kernfs_name()
481 static inline void pr_cont_kernfs_path(struct kernfs_node *kn) { }  in pr_cont_kernfs_path()
483 static inline struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()
486 static inline struct kernfs_node *
487 kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name,  in kernfs_find_and_get_ns()
490 static inline struct kernfs_node *
491 kernfs_walk_and_get_ns(struct kernfs_node *parent, const char *path,  in kernfs_walk_and_get_ns()
495 static inline void kernfs_get(struct kernfs_node *kn) { }  in kernfs_get()
496 static inline void kernfs_put(struct kernfs_node *kn) { }  in kernfs_put()
498 static inline struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)  in kernfs_node_from_dentry()
505 kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()
515 static inline struct kernfs_node *
516 kernfs_create_dir_ns(struct kernfs_node *parent, const char *name,  in kernfs_create_dir_ns()
521 static inline struct kernfs_node *
522 __kernfs_create_file(struct kernfs_node *parent, const char *name,  in __kernfs_create_file()
528 static inline struct kernfs_node *
529 kernfs_create_link(struct kernfs_node *parent, const char *name,  in kernfs_create_link()
530 		   struct kernfs_node *target)  in kernfs_create_link()
533 static inline void kernfs_activate(struct kernfs_node *kn) { }  in kernfs_activate()
535 static inline void kernfs_remove(struct kernfs_node *kn) { }  in kernfs_remove()
537 static inline bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()
540 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,  in kernfs_remove_by_name_ns()
544 static inline int kernfs_rename_ns(struct kernfs_node *kn,  in kernfs_rename_ns()
545 				   struct kernfs_node *new_parent,  in kernfs_rename_ns()
549 static inline int kernfs_setattr(struct kernfs_node *kn,  in kernfs_setattr()
557 static inline void kernfs_notify(struct kernfs_node *kn) { }  in kernfs_notify()
559 static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,  in kernfs_xattr_get()
563 static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,  in kernfs_xattr_set()
593 static inline int kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_path()
598 static inline struct kernfs_node *
599 kernfs_find_and_get(struct kernfs_node *kn, const char *name)  in kernfs_find_and_get()
604 static inline struct kernfs_node *
605 kernfs_walk_and_get(struct kernfs_node *kn, const char *path)  in kernfs_walk_and_get()
610 static inline struct kernfs_node *
611 kernfs_create_dir(struct kernfs_node *parent, const char *name, umode_t mode,  in kernfs_create_dir()
619 static inline int kernfs_remove_by_name(struct kernfs_node *parent,  in kernfs_remove_by_name()
625 static inline int kernfs_rename(struct kernfs_node *kn,  in kernfs_rename()
626 				struct kernfs_node *new_parent,  in kernfs_rename()