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-rw-r--r--include/linux/rwlock_types.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h
index 857a72ceb794..c21683f3e14a 100644
--- a/include/linux/rwlock_types.h
+++ b/include/linux/rwlock_types.h
@@ -1,6 +1,10 @@
#ifndef __LINUX_RWLOCK_TYPES_H
#define __LINUX_RWLOCK_TYPES_H
+#if !defined(__LINUX_SPINLOCK_TYPES_H)
+# error "Do not include directly, include spinlock_types.h"
+#endif
+
/*
* include/linux/rwlock_types.h - generic rwlock type definitions
* and initializers