v4.19.13 snapshot.
diff --git a/fs/nfsd/trace.c b/fs/nfsd/trace.c
new file mode 100644
index 0000000..9096746
--- /dev/null
+++ b/fs/nfsd/trace.c
@@ -0,0 +1,3 @@
+
+#define CREATE_TRACE_POINTS
+#include "trace.h"