v4.19.13 snapshot.
diff --git a/fs/dlm/user.h b/fs/dlm/user.h
new file mode 100644
index 0000000..00499ab
--- /dev/null
+++ b/fs/dlm/user.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2006-2010 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ */
+
+#ifndef __USER_DOT_H__
+#define __USER_DOT_H__
+
+void dlm_user_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode,
+                      int status, uint32_t sbflags, uint64_t seq);
+int dlm_user_init(void);
+void dlm_user_exit(void);
+int dlm_device_deregister(struct dlm_ls *ls);
+int dlm_user_daemon_available(void);
+
+#endif