Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 19846)
+++ wp-includes/admin-bar.php	(working copy)
@@ -248,9 +248,17 @@
 			'href'   => home_url( '/' ),
 		) );
 
-	// We're on the front end, print a copy of the admin menu.
+		if ( is_blog_admin() && is_super_admin() && is_multisite() ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'site-name',
+				'id'     => 'edit-site',
+				'title'  => __( 'Edit Site' ),
+				'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
+			) );
+		}
+
 	} else {
-		// Add the dashboard item.
+		// We're on the front end, link to the Dashboard.
 		$wp_admin_bar->add_menu( array(
 			'parent' => 'site-name',
 			'id'     => 'dashboard',