direct IO + fixes
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 027cb5e..7f241e6 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -153,6 +153,10 @@
 	unsigned int size;
 };
 
+struct fuse_write_out {
+	unsigned int size;
+};
+
 struct fuse_statfs_out {
 	struct fuse_kstatfs st;
 };