diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 5c86f11..d482821 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -109,6 +109,7 @@
 #define FUSE_POSIX_LOCKS	(1 << 1)
 #define FUSE_FILE_OPS		(1 << 2)
 #define FUSE_ATOMIC_O_TRUNC	(1 << 3)
+#define FUSE_BIG_WRITES		(1 << 5)
 
 /**
  * Release flags