176 	int (*rmdir)(struct kernfs_node *kn);
177 	int (*rename)(struct kernfs_node *kn, struct kernfs_node *new_parent,
179 	int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
190 	struct kernfs_node	*kn;  member
209 	struct kernfs_node	*kn;  member
302 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
304 	return kn->flags & KERNFS_TYPE_MASK;  in kernfs_type()
325 static inline ino_t kernfs_ino(struct kernfs_node *kn)  in kernfs_ino()  argument
327 	return kernfs_id_ino(kn->id);  in kernfs_ino()
330 static inline ino_t kernfs_gen(struct kernfs_node *kn)  in kernfs_gen()  argument
332 	return kernfs_id_gen(kn->id);  in kernfs_gen()
343 static inline void kernfs_enable_ns(struct kernfs_node *kn)  in kernfs_enable_ns()  argument
345 	WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR);  in kernfs_enable_ns()
346 	WARN_ON_ONCE(!RB_EMPTY_ROOT(&kn->dir.children));  in kernfs_enable_ns()
347 	kn->flags |= KERNFS_NS;  in kernfs_enable_ns()
356 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
358 	return kn->flags & KERNFS_NS;  in kernfs_ns_enabled()
361 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen);
362 int kernfs_path_from_node(struct kernfs_node *root_kn, struct kernfs_node *kn,
364 void pr_cont_kernfs_name(struct kernfs_node *kn);
365 void pr_cont_kernfs_path(struct kernfs_node *kn);
366 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn);
371 void kernfs_get(struct kernfs_node *kn);
372 void kernfs_put(struct kernfs_node *kn);
376 struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn);
378 struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
400 void kernfs_activate(struct kernfs_node *kn);
401 void kernfs_remove(struct kernfs_node *kn);
402 void kernfs_break_active_protection(struct kernfs_node *kn);
403 void kernfs_unbreak_active_protection(struct kernfs_node *kn);
404 bool kernfs_remove_self(struct kernfs_node *kn);
407 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
409 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr);
412 void kernfs_notify(struct kernfs_node *kn);
414 int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
416 int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
430 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn)  in kernfs_type()  argument
433 static inline void kernfs_enable_ns(struct kernfs_node *kn) { }  in kernfs_enable_ns()  argument
435 static inline bool kernfs_ns_enabled(struct kernfs_node *kn)  in kernfs_ns_enabled()  argument
438 static inline int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()  argument
442 					struct kernfs_node *kn,  in kernfs_path_from_node()  argument
446 static inline void pr_cont_kernfs_name(struct kernfs_node *kn) { }  in pr_cont_kernfs_name()  argument
447 static inline void pr_cont_kernfs_path(struct kernfs_node *kn) { }  in pr_cont_kernfs_path()  argument
449 static inline struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()  argument
461 static inline void kernfs_get(struct kernfs_node *kn) { }  in kernfs_get()  argument
462 static inline void kernfs_put(struct kernfs_node *kn) { }  in kernfs_put()  argument
471 kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)  in kernfs_get_inode()  argument
499 static inline void kernfs_activate(struct kernfs_node *kn) { }  in kernfs_activate()  argument
501 static inline void kernfs_remove(struct kernfs_node *kn) { }  in kernfs_remove()  argument
503 static inline bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()  argument
506 static inline int kernfs_remove_by_name_ns(struct kernfs_node *kn,  in kernfs_remove_by_name_ns()  argument
510 static inline int kernfs_rename_ns(struct kernfs_node *kn,  in kernfs_rename_ns()  argument
515 static inline int kernfs_setattr(struct kernfs_node *kn,  in kernfs_setattr()  argument
519 static inline void kernfs_notify(struct kernfs_node *kn) { }  in kernfs_notify()  argument
521 static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,  in kernfs_xattr_get()  argument
525 static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,  in kernfs_xattr_set()  argument
555 static inline int kernfs_path(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_path()  argument
557 	return kernfs_path_from_node(kn, NULL, buf, buflen);  in kernfs_path()
561 kernfs_find_and_get(struct kernfs_node *kn, const char *name)  in kernfs_find_and_get()  argument
563 	return kernfs_find_and_get_ns(kn, name, NULL);  in kernfs_find_and_get()
567 kernfs_walk_and_get(struct kernfs_node *kn, const char *path)  in kernfs_walk_and_get()  argument
569 	return kernfs_walk_and_get_ns(kn, path, NULL);  in kernfs_walk_and_get()
611 static inline int kernfs_rename(struct kernfs_node *kn,  in kernfs_rename()  argument
615 	return kernfs_rename_ns(kn, new_parent, new_name, NULL);  in kernfs_rename()