--- kernel/bsd/nfs/nfs.h	2018/04/24 18:26:01	1.1.1.1
+++ kernel/bsd/nfs/nfs.h	2018/04/24 18:27:48	1.1.1.2
@@ -584,16 +584,19 @@ extern int nfsd_head_flag;
 #define HEXSTRTOI(p) \
 	((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
 
-#ifdef NFS_DEBUG
+#if	DIAGNOSTIC
 
 extern int nfs_debug;
 #define NFS_DEBUG_ASYNCIO	1 /* asynchronous i/o */
 #define NFS_DEBUG_WG		2 /* server write gathering */
 #define NFS_DEBUG_RC		4 /* server request caching */
+#define NFS_DEBUG_SILLY		8 /* nfs_sillyrename (.nfsXXX aka turd files) */
+#define NFS_DEBUG_DUP		16 /* debug duplicate requests */
+#define NFS_DEBUG_ATTR		32
 
 #define NFS_DPF(cat, args)					\
 	do {							\
-		if (nfs_debug & NFS_DEBUG_##cat) printf args;	\
+		if (nfs_debug & NFS_DEBUG_##cat) kprintf args;	\
 	} while (0)
 
 #else