32 #define rb_to_kn(X) rb_entry((X), struct kernfs_node, rb)
34 static bool __kernfs_active(struct kernfs_node *kn)  in __kernfs_active()
39 static bool kernfs_active(struct kernfs_node *kn)  in kernfs_active()
45 static bool kernfs_lockdep(struct kernfs_node *kn)  in kernfs_lockdep()
54 static int kernfs_name_locked(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name_locked()
63 static size_t kernfs_depth(struct kernfs_node *from, struct kernfs_node *to)  in kernfs_depth()
74 static struct kernfs_node *kernfs_common_ancestor(struct kernfs_node *a,  in kernfs_common_ancestor()
75 						  struct kernfs_node *b)  in kernfs_common_ancestor()
134 static int kernfs_path_from_node_locked(struct kernfs_node *kn_to,  in kernfs_path_from_node_locked()
135 					struct kernfs_node *kn_from,  in kernfs_path_from_node_locked()
138 	struct kernfs_node *kn, *common;  in kernfs_path_from_node_locked()
196 int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)  in kernfs_name()
223 int kernfs_path_from_node(struct kernfs_node *to, struct kernfs_node *from,  in kernfs_path_from_node()
242 void pr_cont_kernfs_name(struct kernfs_node *kn)  in pr_cont_kernfs_name()
260 void pr_cont_kernfs_path(struct kernfs_node *kn)  in pr_cont_kernfs_path()
292 struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)  in kernfs_get_parent()
294 	struct kernfs_node *parent;  in kernfs_get_parent()
329 			       const void *ns, const struct kernfs_node *kn)  in kernfs_name_compare()
342 static int kernfs_sd_compare(const struct kernfs_node *left,  in kernfs_sd_compare()
343 			     const struct kernfs_node *right)  in kernfs_sd_compare()
361 static int kernfs_link_sibling(struct kernfs_node *kn)  in kernfs_link_sibling()
367 		struct kernfs_node *pos;  in kernfs_link_sibling()
408 static bool kernfs_unlink_sibling(struct kernfs_node *kn)  in kernfs_unlink_sibling()
434 struct kernfs_node *kernfs_get_active(struct kernfs_node *kn)  in kernfs_get_active()
454 void kernfs_put_active(struct kernfs_node *kn)  in kernfs_put_active()
478 static void kernfs_drain(struct kernfs_node *kn)  in kernfs_drain()
523 void kernfs_get(struct kernfs_node *kn)  in kernfs_get()
534 	struct kernfs_node *kn = container_of(rcu, struct kernfs_node, rcu);  in kernfs_free_rcu()
552 void kernfs_put(struct kernfs_node *kn)  in kernfs_put()
554 	struct kernfs_node *parent;  in kernfs_put()
603 struct kernfs_node *kernfs_node_from_dentry(struct dentry *dentry)  in kernfs_node_from_dentry()
610 static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root,  in __kernfs_new_node()
611 					     struct kernfs_node *parent,  in __kernfs_new_node()
616 	struct kernfs_node *kn;  in __kernfs_new_node()
681 struct kernfs_node *kernfs_new_node(struct kernfs_node *parent,  in kernfs_new_node()
686 	struct kernfs_node *kn;  in kernfs_new_node()
720 struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,  in kernfs_find_and_get_node_by_id()
723 	struct kernfs_node *kn;  in kernfs_find_and_get_node_by_id()
770 int kernfs_add_one(struct kernfs_node *kn)  in kernfs_add_one()
772 	struct kernfs_node *parent = kn->parent;  in kernfs_add_one()
837 static struct kernfs_node *kernfs_find_ns(struct kernfs_node *parent,  in kernfs_find_ns()
855 		struct kernfs_node *kn;  in kernfs_find_ns()
870 static struct kernfs_node *kernfs_walk_ns(struct kernfs_node *parent,  in kernfs_walk_ns()
912 struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,  in kernfs_find_and_get_ns()
915 	struct kernfs_node *kn;  in kernfs_find_and_get_ns()
938 struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,  in kernfs_walk_and_get_ns()
941 	struct kernfs_node *kn;  in kernfs_walk_and_get_ns()
965 	struct kernfs_node *kn;  in kernfs_create_root()
1035 struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root)  in kernfs_root_to_node()
1052 struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,  in kernfs_create_dir_ns()
1057 	struct kernfs_node *kn;  in kernfs_create_dir_ns()
1086 struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,  in kernfs_create_empty_dir()
1089 	struct kernfs_node *kn;  in kernfs_create_empty_dir()
1114 	struct kernfs_node *kn;  in kernfs_dop_revalidate()
1122 		struct kernfs_node *parent;  in kernfs_dop_revalidate()
1193 	struct kernfs_node *parent = dir->i_private;  in kernfs_iop_lookup()
1194 	struct kernfs_node *kn;  in kernfs_iop_lookup()
1236 	struct kernfs_node *parent = dir->i_private;  in kernfs_iop_mkdir()
1254 	struct kernfs_node *kn  = kernfs_dentry_node(dentry);  in kernfs_iop_rmdir()
1275 	struct kernfs_node *kn = kernfs_dentry_node(old_dentry);  in kernfs_iop_rename()
1276 	struct kernfs_node *new_parent = new_dir->i_private;  in kernfs_iop_rename()
1313 static struct kernfs_node *kernfs_leftmost_descendant(struct kernfs_node *pos)  in kernfs_leftmost_descendant()
1315 	struct kernfs_node *last;  in kernfs_leftmost_descendant()
1346 static struct kernfs_node *kernfs_next_descendant_post(struct kernfs_node *pos,  in kernfs_next_descendant_post()
1347 						       struct kernfs_node *root)  in kernfs_next_descendant_post()
1370 static void kernfs_activate_one(struct kernfs_node *kn)  in kernfs_activate_one()
1398 void kernfs_activate(struct kernfs_node *kn)  in kernfs_activate()
1400 	struct kernfs_node *pos;  in kernfs_activate()
1424 void kernfs_show(struct kernfs_node *kn, bool show)  in kernfs_show()
1447 static void __kernfs_remove(struct kernfs_node *kn)  in __kernfs_remove()
1449 	struct kernfs_node *pos;  in __kernfs_remove()
1518 void kernfs_remove(struct kernfs_node *kn)  in kernfs_remove()
1546 void kernfs_break_active_protection(struct kernfs_node *kn)  in kernfs_break_active_protection()
1570 void kernfs_unbreak_active_protection(struct kernfs_node *kn)  in kernfs_unbreak_active_protection()
1614 bool kernfs_remove_self(struct kernfs_node *kn)  in kernfs_remove_self()
1676 int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,  in kernfs_remove_by_name_ns()
1679 	struct kernfs_node *kn;  in kernfs_remove_by_name_ns()
1715 int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,  in kernfs_rename_ns()
1718 	struct kernfs_node *old_parent;  in kernfs_rename_ns()
1792 static struct kernfs_node *kernfs_dir_pos(const void *ns,  in kernfs_dir_pos()
1793 	struct kernfs_node *parent, loff_t hash, struct kernfs_node *pos)  in kernfs_dir_pos()
1826 static struct kernfs_node *kernfs_dir_next_pos(const void *ns,  in kernfs_dir_next_pos()
1827 	struct kernfs_node *parent, ino_t ino, struct kernfs_node *pos)  in kernfs_dir_next_pos()
1845 	struct kernfs_node *parent = kernfs_dentry_node(dentry);  in kernfs_fop_readdir()
1846 	struct kernfs_node *pos = file->private_data;  in kernfs_fop_readdir()