diff -drupN a/fs/debugfs/internal.h b/fs/debugfs/internal.h
--- a/fs/debugfs/internal.h	2018-08-06 17:23:04.000000000 +0300
+++ b/fs/debugfs/internal.h	2022-06-12 05:28:14.000000000 +0300
@@ -19,4 +19,10 @@ extern const struct file_operations debu
 extern const struct file_operations debugfs_open_proxy_file_operations;
 extern const struct file_operations debugfs_full_proxy_file_operations;
 
+struct debugfs_fsdata {
+	const struct file_operations *real_fops;
+	refcount_t active_users;
+	struct completion active_users_drained;
+};
+
 #endif /* _DEBUGFS_INTERNAL_H_ */