diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index 5f3bfde..67cfeb6 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -116,3 +116,11 @@
 
 # endif  /* CONFIG_EXT2_FS_XATTR */
 
+#ifdef CONFIG_EXT2_FS_SECURITY
+extern int ext2_init_security(struct inode *inode, struct inode *dir);
+#else
+static inline int ext2_init_security(struct inode *inode, struct inode *dir)
+{
+	return 0;
+}
+#endif