diff --git a/src/system/kernel/device_manager/IOScheduler.cpp b/src/system/kernel/device_manager/IOScheduler.cpp
index 53f60ab4bd..7bcd975bd1 100644
--- a/src/system/kernel/device_manager/IOScheduler.cpp
+++ b/src/system/kernel/device_manager/IOScheduler.cpp
@@ -60,3 +60,9 @@ IOScheduler::SetCallback(io_callback callback, void* data)
 	fIOCallback = callback;
 	fIOCallbackData = data;
 }
+
+
+void
+IOScheduler::SetDeviceCapacity(off_t deviceCapacity)
+{
+}
diff --git a/src/system/kernel/device_manager/IOScheduler.h b/src/system/kernel/device_manager/IOScheduler.h
index a8352744d4..6c03ebae26 100644
--- a/src/system/kernel/device_manager/IOScheduler.h
+++ b/src/system/kernel/device_manager/IOScheduler.h
@@ -45,6 +45,8 @@ public:
 	virtual	void				SetCallback(IOCallback& callback);
 	virtual	void				SetCallback(io_callback callback, void* data);
 
+	virtual	void				SetDeviceCapacity(off_t deviceCapacity);
+
 	virtual	status_t			ScheduleRequest(IORequest* request) = 0;
 
 	virtual	void				AbortRequest(IORequest* request,