Index: target/drbd/drbd_main.c
===================================================================
--- target/drbd/drbd_main.c	(revision 8465)
+++ target/drbd/drbd_main.c	(working copy)
@@ -3102,6 +3102,7 @@
 
 	case RecvAck:
 	case WriteAck:
+	case RSWriteAck:
 	case DiscardAck:
 	case NegAck:
 	case NegRSDReply: