diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index f592d6d..7266124 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -27,6 +27,11 @@
 };
 
 #if defined(CONFIG_DEBUG_FS)
+
+/* declared over in file.c */
+extern const struct file_operations debugfs_file_operations;
+extern const struct inode_operations debugfs_link_operations;
+
 struct dentry *debugfs_create_file(const char *name, mode_t mode,
 				   struct dentry *parent, void *data,
 				   const struct file_operations *fops);