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,
251 	struct kernfs_node	*kn;  member
335 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
337 	return kn->flags & KERNFS_TYPE_MASK;  in kernfs_type()
358 static inline ino_t kernfs_ino(struct kernfs_node *kn)  in kernfs_ino()  argument
360 	return kernfs_id_ino(kn->id);  in kernfs_ino()
363 static inline ino_t kernfs_gen(struct kernfs_node *kn)  in kernfs_gen()  argument
365 	return kernfs_id_gen(kn->id);  in kernfs_gen()
376 static inline void kernfs_enable_ns(struct kernfs_node *kn)  in kernfs_enable_ns()  argument
378 	WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR);  in kernfs_enable_ns()
379 	WARN_ON_ONCE(!RB_EMPTY_ROOT(&kn->dir.children));  in kernfs_enable_ns()
380 	kn->flags |= KERNFS_NS;  in kernfs_enable_ns()
389 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
391 	return kn->flags & KERNFS_NS;  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);
404 void kernfs_get(struct kernfs_node *kn);
405 void kernfs_put(struct kernfs_node *kn);
409 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
411 struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
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);
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,
464 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
467 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }  in kernfs_enable_ns()  argument
469 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
472 static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()  argument
476 					struct kernfs_node *kn,  in kernfs_path_from_node()  argument
480 static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { }  in pr_cont_kernfs_name()  argument
481 static inline void pr_cont_kernfs_path(struct kernfs_node *kn) { }  in pr_cont_kernfs_path()  argument
483 static inline struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()  argument
495 static inline void kernfs_get(struct kernfs_node *kn) { }  in kernfs_get()  argument
496 static inline void kernfs_put(struct kernfs_node *kn) { }  in kernfs_put()  argument
505 kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()  argument
533 static inline void kernfs_activate(struct kernfs_node *kn) { }  in kernfs_activate()  argument
535 static inline void kernfs_remove(struct kernfs_node *kn) { }  in kernfs_remove()  argument
537 static inline bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()  argument
540 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,  in kernfs_remove_by_name_ns()  argument
544 static inline int kernfs_rename_ns(struct kernfs_node *kn,  in kernfs_rename_ns()  argument
549 static inline int kernfs_setattr(struct kernfs_node *kn,  in kernfs_setattr()  argument
553 static inline void kernfs_notify(struct kernfs_node *kn) { }  in kernfs_notify()  argument
555 static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,  in kernfs_xattr_get()  argument
559 static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,  in kernfs_xattr_set()  argument
589 static inline int kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_path()  argument
591 	return kernfs_path_from_node(kn, NULL, buf, buflen);  in kernfs_path()
595 kernfs_find_and_get(struct kernfs_node *kn, const char *name)  in kernfs_find_and_get()  argument
597 	return kernfs_find_and_get_ns(kn, name, NULL);  in kernfs_find_and_get()
601 kernfs_walk_and_get(struct kernfs_node *kn, const char *path)  in kernfs_walk_and_get()  argument
603 	return kernfs_walk_and_get_ns(kn, path, NULL);  in kernfs_walk_and_get()
621 static inline int kernfs_rename(struct kernfs_node *kn,  in kernfs_rename()  argument
625 	return kernfs_rename_ns(kn, new_parent, new_name, NULL);  in kernfs_rename()