Index: libcfa/src/concurrency/io/types.hfa
===================================================================
--- libcfa/src/concurrency/io/types.hfa	(revision 2fab24e3bfb7b64299dc6bb1b6e45ef4248410cc)
+++ libcfa/src/concurrency/io/types.hfa	(revision 7b91c0e992ed493cc46d297ec3fe313c381a8dbc)
@@ -5,5 +5,6 @@
 // file "LICENCE" distributed with Cforall.
 //
-// io/types.hfa --
+// io/types.hfa -- PRIVATE
+// Types used by the I/O subsystem
 //
 // Author           : Thierry Delisle
@@ -21,4 +22,5 @@
 
 #include "bits/locks.hfa"
+#include "kernel/fwd.hfa"
 
 #if defined(CFA_HAVE_LINUX_IO_URING_H)