Index: linux-2.6.11-rc3-ck1/include/linux/ioprio.h
===================================================================
--- linux-2.6.11-rc3-ck1.orig/include/linux/ioprio.h	2005-02-04 10:24:25.000000000 +1100
+++ linux-2.6.11-rc3-ck1/include/linux/ioprio.h	2005-02-06 23:18:01.000000000 +1100
@@ -52,7 +52,7 @@ static inline int task_nice_ioprio(struc
 	int effective_nice = task_nice(task);
 
 	if (batch_task(task))
-		effective_nice = 20;
+		effective_nice = 19;
 	else if (iso_task(task) || rt_task(task))
 		effective_nice = -20;
 	return (effective_nice + 20) / 5;