v4.19.13 snapshot.
diff --git a/include/linux/coda.h b/include/linux/coda.h
new file mode 100644
index 0000000..d30209b
--- /dev/null
+++ b/include/linux/coda.h
@@ -0,0 +1,65 @@
+/*
+ You may distribute this file under either of the two licenses that
+ follow at your discretion.
+*/
+
+/* BLURB lgpl
+
+ Coda File System
+ Release 5
+
+ Copyright (c) 1987-1999 Carnegie Mellon University
+ Additional copyrights listed below
+
+This code is distributed "AS IS" without warranty of any kind under
+the terms of the GNU Library General Public Licence Version 2, as
+shown in the file LICENSE, or under the license shown below. The
+technical and financial contributors to Coda are listed in the file
+CREDITS.
+
+ Additional copyrights
+*/
+
+/*
+
+ Coda: an Experimental Distributed File System
+ Release 4.0
+
+ Copyright (c) 1987-1999 Carnegie Mellon University
+ All Rights Reserved
+
+Permission to use, copy, modify and distribute this software and its
+documentation is hereby granted, provided that both the copyright
+notice and this permission notice appear in all copies of the
+software, derivative works or modified versions, and any portions
+thereof, and that both notices appear in supporting documentation, and
+that credit is given to Carnegie Mellon University in all documents
+and publicity pertaining to direct or indirect use of this code or its
+derivatives.
+
+CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
+SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
+FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
+DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
+RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
+ANY DERIVATIVE WORK.
+
+Carnegie Mellon encourages users of this software to return any
+improvements or extensions that they make, and to grant Carnegie
+Mellon the rights to redistribute these changes without encumbrance.
+*/
+
+/*
+ *
+ * Based on cfs.h from Mach, but revamped for increased simplicity.
+ * Linux modifications by
+ * Peter Braam, Aug 1996
+ */
+#ifndef _CODA_HEADER_
+#define _CODA_HEADER_
+
+#if defined(__linux__)
+typedef unsigned long long u_quad_t;
+#endif
+#include <uapi/linux/coda.h>
+#endif