--- fuse-2.4.2/kernel/dev.c.org	2005-11-22 22:30:59.000000000 +0100
+++ fuse-2.4.2/kernel/dev.c	2007-01-09 16:32:20.000000000 +0100
@@ -517,6 +517,7 @@
 {
 	unsigned ncpy = min(*size, cs->len);
 	if (val) {
+		flush_cache_all();
 		if (cs->write)
 			memcpy(cs->buf, *val, ncpy);
 		else