178 	int (*rmdir)(struct kernfs_node *kn);
179 	int (*rename)(struct kernfs_node *kn, struct kernfs_node *new_parent,
181 	int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
187 	struct kernfs_node	*kn;  member
204 	struct kernfs_node	*kn;  member
292 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
294 	return kn->flags & KERNFS_TYPE_MASK;  in kernfs_type()
315 static inline ino_t kernfs_ino(struct kernfs_node *kn)  in kernfs_ino()  argument
317 	return kernfs_id_ino(kn->id);  in kernfs_ino()
320 static inline ino_t kernfs_gen(struct kernfs_node *kn)  in kernfs_gen()  argument
322 	return kernfs_id_gen(kn->id);  in kernfs_gen()
333 static inline void kernfs_enable_ns(struct kernfs_node *kn)  in kernfs_enable_ns()  argument
335 	WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR);  in kernfs_enable_ns()
336 	WARN_ON_ONCE(!RB_EMPTY_ROOT(&kn->dir.children));  in kernfs_enable_ns()
337 	kn->flags |= KERNFS_NS;  in kernfs_enable_ns()
346 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
348 	return kn->flags & KERNFS_NS;  in kernfs_ns_enabled()
351 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen);
352 int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn,
354 void pr_cont_kernfs_name(struct kernfs_node *kn);
355 void pr_cont_kernfs_path(struct kernfs_node *kn);
356 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn);
361 void kernfs_get(struct kernfs_node *kn);
362 void kernfs_put(struct kernfs_node *kn);
366 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
368 struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
390 void kernfs_activate(struct kernfs_node *kn);
391 void kernfs_remove(struct kernfs_node *kn);
392 void kernfs_break_active_protection(struct kernfs_node *kn);
393 void kernfs_unbreak_active_protection(struct kernfs_node *kn);
394 bool kernfs_remove_self(struct kernfs_node *kn);
397 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
399 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr);
402 void kernfs_notify(struct kernfs_node *kn);
404 int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
406 int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
420 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
423 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }  in kernfs_enable_ns()  argument
425 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
428 static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()  argument
432 					struct kernfs_node *kn,  in kernfs_path_from_node()  argument
436 static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { }  in pr_cont_kernfs_name()  argument
437 static inline void pr_cont_kernfs_path(struct kernfs_node *kn) { }  in pr_cont_kernfs_path()  argument
439 static inline struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()  argument
451 static inline void kernfs_get(struct kernfs_node *kn) { }  in kernfs_get()  argument
452 static inline void kernfs_put(struct kernfs_node *kn) { }  in kernfs_put()  argument
461 kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()  argument
489 static inline void kernfs_activate(struct kernfs_node *kn) { }  in kernfs_activate()  argument
491 static inline void kernfs_remove(struct kernfs_node *kn) { }  in kernfs_remove()  argument
493 static inline bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()  argument
496 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,  in kernfs_remove_by_name_ns()  argument
500 static inline int kernfs_rename_ns(struct kernfs_node *kn,  in kernfs_rename_ns()  argument
505 static inline int kernfs_setattr(struct kernfs_node *kn,  in kernfs_setattr()  argument
509 static inline void kernfs_notify(struct kernfs_node *kn) { }  in kernfs_notify()  argument
511 static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,  in kernfs_xattr_get()  argument
515 static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,  in kernfs_xattr_set()  argument
545 static inline int kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_path()  argument
547 	return kernfs_path_from_node(kn, NULL, buf, buflen);  in kernfs_path()
551 kernfs_find_and_get(struct kernfs_node *kn, const char *name)  in kernfs_find_and_get()  argument
553 	return kernfs_find_and_get_ns(kn, name, NULL);  in kernfs_find_and_get()
557 kernfs_walk_and_get(struct kernfs_node *kn, const char *path)  in kernfs_walk_and_get()  argument
559 	return kernfs_walk_and_get_ns(kn, path, NULL);  in kernfs_walk_and_get()
601 static inline int kernfs_rename(struct kernfs_node *kn,  in kernfs_rename()  argument
605 	return kernfs_rename_ns(kn, new_parent, new_name, NULL);  in kernfs_rename()