[IA64] Prevent people from directly including <asm/rwsem.h>.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/rwsem.h b/include/asm-ia64/rwsem.h
index 2d1640c..8aba06a 100644
--- a/include/asm-ia64/rwsem.h
+++ b/include/asm-ia64/rwsem.h
@@ -21,6 +21,10 @@
#ifndef _ASM_IA64_RWSEM_H
#define _ASM_IA64_RWSEM_H
+#ifndef _LINUX_RWSEM_H
+#error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
+#endif
+
#include <linux/list.h>
#include <linux/spinlock.h>