344 	struct kernfs_root *root = kernfs_root(kn);  in kernfs_put_active()  local
356 	wake_up_all(&root->deactivate_waitq);  in kernfs_put_active()
370 	struct kernfs_root *root = kernfs_root(kn);  in kernfs_drain()  local
384 	wait_event(root->deactivate_waitq,  in kernfs_drain()
419 	struct kernfs_root *root;  in kernfs_put()  local
423 	root = kernfs_root(kn);  in kernfs_put()
447 	ida_simple_remove(&root->ino_ida, kn->ino);  in kernfs_put()
456 		ida_destroy(&root->ino_ida);  in kernfs_put()
457 		kfree(root);  in kernfs_put()
529 static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root,  in __kernfs_new_node()  argument
550 	ret = ida_simple_get(&root->ino_ida, 1, 0,  in __kernfs_new_node()
733 	struct kernfs_root *root;  in kernfs_create_root()  local
736 	root = kzalloc(sizeof(*root), GFP_KERNEL);  in kernfs_create_root()
737 	if (!root)  in kernfs_create_root()
740 	ida_init(&root->ino_ida);  in kernfs_create_root()
741 	INIT_LIST_HEAD(&root->supers);  in kernfs_create_root()
743 	kn = __kernfs_new_node(root, "", S_IFDIR | S_IRUGO | S_IXUGO,  in kernfs_create_root()
746 		ida_destroy(&root->ino_ida);  in kernfs_create_root()
747 		kfree(root);  in kernfs_create_root()
752 	kn->dir.root = root;  in kernfs_create_root()
754 	root->syscall_ops = scops;  in kernfs_create_root()
755 	root->flags = flags;  in kernfs_create_root()
756 	root->kn = kn;  in kernfs_create_root()
757 	init_waitqueue_head(&root->deactivate_waitq);  in kernfs_create_root()
759 	if (!(root->flags & KERNFS_ROOT_CREATE_DEACTIVATED))  in kernfs_create_root()
762 	return root;  in kernfs_create_root()
772 void kernfs_destroy_root(struct kernfs_root *root)  in kernfs_destroy_root()  argument
774 	kernfs_remove(root->kn);	/* will also free @root */  in kernfs_destroy_root()
799 	kn->dir.root = parent->dir.root;  in kernfs_create_dir_ns()
831 	kn->dir.root = parent->dir.root;  in kernfs_create_empty_dir()
993 						       struct kernfs_node *root)  in kernfs_next_descendant_post()  argument
1001 		return kernfs_leftmost_descendant(root);  in kernfs_next_descendant_post()
1004 	if (pos == root)  in kernfs_next_descendant_post()