33 #define rb_to_kn(X) rb_entry((X), struct kernfs_node, rb)
35 static bool kernfs_active(struct kernfs_node *kn)  in kernfs_active()
41 static bool kernfs_lockdep(struct kernfs_node *kn)  in kernfs_lockdep()
50 static int kernfs_name_locked(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name_locked()
59 static size_t kernfs_depth(struct kernfs_node *from, struct kernfs_node *to)  in kernfs_depth()
70 static struct kernfs_node *kernfs_common_ancestor(struct kernfs_node *a,  in kernfs_common_ancestor()
71 						  struct kernfs_node *b)  in kernfs_common_ancestor()
130 static int kernfs_path_from_node_locked(struct kernfs_node *kn_to,  in kernfs_path_from_node_locked()
131 					struct kernfs_node *kn_from,  in kernfs_path_from_node_locked()
134 	struct kernfs_node *kn, *common;  in kernfs_path_from_node_locked()
191 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()
218 int kernfs_path_from_node(struct kernfs_node *to, struct kernfs_node *from,  in kernfs_path_from_node()
237 void pr_cont_kernfs_name(struct kernfs_node *kn)  in pr_cont_kernfs_name()
255 void pr_cont_kernfs_path(struct kernfs_node *kn)  in pr_cont_kernfs_path()
287 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()
289 	struct kernfs_node *parent;  in kernfs_get_parent()
324 			       const void *ns, const struct kernfs_node *kn)  in kernfs_name_compare()
337 static int kernfs_sd_compare(const struct kernfs_node *left,  in kernfs_sd_compare()
338 			     const struct kernfs_node *right)  in kernfs_sd_compare()
356 static int kernfs_link_sibling(struct kernfs_node *kn)  in kernfs_link_sibling()
362 		struct kernfs_node *pos;  in kernfs_link_sibling()
398 static bool kernfs_unlink_sibling(struct kernfs_node *kn)  in kernfs_unlink_sibling()
421 struct kernfs_node *kernfs_get_active(struct kernfs_node *kn)  in kernfs_get_active()
441 void kernfs_put_active(struct kernfs_node *kn)  in kernfs_put_active()
465 static void kernfs_drain(struct kernfs_node *kn)  in kernfs_drain()
499 void kernfs_get(struct kernfs_node *kn)  in kernfs_get()
514 void kernfs_put(struct kernfs_node *kn)  in kernfs_put()
516 	struct kernfs_node *parent;  in kernfs_put()
561 	struct kernfs_node *kn;  in kernfs_dop_revalidate()
613 struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)  in kernfs_node_from_dentry()
621 static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root,  in __kernfs_new_node()
622 					     struct kernfs_node *parent,  in __kernfs_new_node()
627 	struct kernfs_node *kn;  in __kernfs_new_node()
690 struct kernfs_node *kernfs_new_node(struct kernfs_node *parent,  in kernfs_new_node()
695 	struct kernfs_node *kn;  in kernfs_new_node()
717 struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,  in kernfs_find_and_get_node_by_id()
720 	struct kernfs_node *kn;  in kernfs_find_and_get_node_by_id()
768 int kernfs_add_one(struct kernfs_node *kn)  in kernfs_add_one()
770 	struct kernfs_node *parent = kn->parent;  in kernfs_add_one()
833 static struct kernfs_node *kernfs_find_ns(struct kernfs_node *parent,  in kernfs_find_ns()
851 		struct kernfs_node *kn;  in kernfs_find_ns()
866 static struct kernfs_node *kernfs_walk_ns(struct kernfs_node *parent,  in kernfs_walk_ns()
907 struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,  in kernfs_find_and_get_ns()
910 	struct kernfs_node *kn;  in kernfs_find_and_get_ns()
931 struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,  in kernfs_walk_and_get_ns()
934 	struct kernfs_node *kn;  in kernfs_walk_and_get_ns()
957 	struct kernfs_node *kn;  in kernfs_create_root()
1024 struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,  in kernfs_create_dir_ns()
1029 	struct kernfs_node *kn;  in kernfs_create_dir_ns()
1058 struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,  in kernfs_create_empty_dir()
1061 	struct kernfs_node *kn;  in kernfs_create_empty_dir()
1089 	struct kernfs_node *parent = dir->i_private;  in kernfs_iop_lookup()
1090 	struct kernfs_node *kn;  in kernfs_iop_lookup()
1124 	struct kernfs_node *parent = dir->i_private;  in kernfs_iop_mkdir()
1142 	struct kernfs_node *kn  = kernfs_dentry_node(dentry);  in kernfs_iop_rmdir()
1162 	struct kernfs_node *kn = kernfs_dentry_node(old_dentry);  in kernfs_iop_rename()
1163 	struct kernfs_node *new_parent = new_dir->i_private;  in kernfs_iop_rename()
1200 static struct kernfs_node *kernfs_leftmost_descendant(struct kernfs_node *pos)  in kernfs_leftmost_descendant()
1202 	struct kernfs_node *last;  in kernfs_leftmost_descendant()
1231 static struct kernfs_node *kernfs_next_descendant_post(struct kernfs_node *pos,  in kernfs_next_descendant_post()
1232 						       struct kernfs_node *root)  in kernfs_next_descendant_post()
1268 void kernfs_activate(struct kernfs_node *kn)  in kernfs_activate()
1270 	struct kernfs_node *pos;  in kernfs_activate()
1289 static void __kernfs_remove(struct kernfs_node *kn)  in __kernfs_remove()
1291 	struct kernfs_node *pos;  in __kernfs_remove()
1361 void kernfs_remove(struct kernfs_node *kn)  in kernfs_remove()
1382 void kernfs_break_active_protection(struct kernfs_node *kn)  in kernfs_break_active_protection()
1406 void kernfs_unbreak_active_protection(struct kernfs_node *kn)  in kernfs_unbreak_active_protection()
1448 bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()
1508 int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,  in kernfs_remove_by_name_ns()
1511 	struct kernfs_node *kn;  in kernfs_remove_by_name_ns()
1543 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,  in kernfs_rename_ns()
1546 	struct kernfs_node *old_parent;  in kernfs_rename_ns()
1613 static inline unsigned char dt_type(struct kernfs_node *kn)  in dt_type()
1624 static struct kernfs_node *kernfs_dir_pos(const void *ns,  in kernfs_dir_pos()
1625 	struct kernfs_node *parent, loff_t hash, struct kernfs_node *pos)  in kernfs_dir_pos()
1658 static struct kernfs_node *kernfs_dir_next_pos(const void *ns,  in kernfs_dir_next_pos()
1659 	struct kernfs_node *parent, ino_t ino, struct kernfs_node *pos)  in kernfs_dir_next_pos()
1677 	struct kernfs_node *parent = kernfs_dentry_node(dentry);  in kernfs_fop_readdir()
1678 	struct kernfs_node *pos = file->private_data;  in kernfs_fop_readdir()