diff --git a/openide.loaders/src/org/openide/loaders/FolderChildren.java b/openide.loaders/src/org/openide/loaders/FolderChildren.java
--- a/openide.loaders/src/org/openide/loaders/FolderChildren.java
+++ b/openide.loaders/src/org/openide/loaders/FolderChildren.java
@@ -130,7 +130,7 @@
     /** Deep refresh or not.
      * @param operation 0 == shallow, 1 == deep, -1 == clear, 10 = shallow immediatelly
      */
-    final void refreshChildren(int operation) {
+    final void refreshChildren(final int operation) {
         class R implements Runnable {
             int op;
             public void run() {
@@ -147,7 +147,14 @@
                         return;
                     }
 
-                    final FileObject[] arr = folder.getPrimaryFile().getChildren();
+                    FileObject[] arr = null;
+                    if (operation == 10) {
+                        // hack for slow FS
+                        arr = (FileObject[]) folder.getPrimaryFile().getAttribute("getChildrenFast"); // NOI18N 
+                    }
+                    if (arr == null) {
+                        arr = folder.getPrimaryFile().getChildren();
+                    }
                     FolderOrder order = FolderOrder.findFor(folder.getPrimaryFile());
                     Arrays.sort(arr, order);
                     List<FolderChildrenPair> positioned = new ArrayList<FolderChildrenPair>(arr.length);