diff --git a/include/linux/lockd/share.h b/include/linux/lockd/share.h
new file mode 100644
index 0000000..5d8aa32
--- /dev/null
+++ b/include/linux/lockd/share.h
@@ -0,0 +1,30 @@
+/*
+ * linux/include/linux/lockd/share.h
+ *
+ * DOS share management for lockd.
+ *
+ * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef LINUX_LOCKD_SHARE_H
+#define LINUX_LOCKD_SHARE_H
+
+/*
+ * DOS share for a specific file
+ */
+struct nlm_share {
+	struct nlm_share *	s_next;		/* linked list */
+	struct nlm_host *	s_host;		/* client host */
+	struct nlm_file *	s_file;		/* shared file */
+	struct xdr_netobj	s_owner;	/* owner handle */
+	u32			s_access;	/* access mode */
+	u32			s_mode;		/* deny mode */
+};
+
+u32	nlmsvc_share_file(struct nlm_host *, struct nlm_file *,
+					       struct nlm_args *);
+u32	nlmsvc_unshare_file(struct nlm_host *, struct nlm_file *,
+					       struct nlm_args *);
+int	nlmsvc_traverse_shares(struct nlm_host *, struct nlm_file *, int);
+
+#endif /* LINUX_LOCKD_SHARE_H */