diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 6e10ff9..e8bef79b 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -196,3 +196,9 @@
 	return 0;
 }
 #endif
+
+#ifdef CONFIG_LOCKDEP
+extern void ext4_xattr_inode_set_class(struct inode *ea_inode);
+#else
+static inline void ext4_xattr_inode_set_class(struct inode *ea_inode) { }
+#endif