Add write barriers

[fio.git] / arch / arch-s390.h

diff --git a/arch/arch-s390.h b/arch/arch-s390.h
index c4ec1d12478cd17a5a0fd8943a4ca93264a6aff4..dfb7899ba7ce2d07ae365fdf91784e76f6b30359 100644 (file)
--- a/arch/arch-s390.h
+++ b/arch/arch-s390.h
@@ -14,5 +14,6 @@
 
 #define nop            asm volatile ("diag 0,0,68" : : : "memory")
 #define read_barrier() asm volatile("bcr 15,0" : : : "memory")
+#define write_barrier()        asm volatile("bcr 15,0" : : : "memory")
 
 #endif