v4.19.13 snapshot.
diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h
new file mode 100644
index 0000000..98f9268
--- /dev/null
+++ b/include/linux/nfs_fs_i.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _NFS_FS_I
+#define _NFS_FS_I
+
+struct nlm_lockowner;
+
+/*
+ * NFS lock info
+ */
+struct nfs_lock_info {
+ u32 state;
+ struct nlm_lockowner *owner;
+ struct list_head list;
+};
+
+struct nfs4_lock_state;
+struct nfs4_lock_info {
+ struct nfs4_lock_state *owner;
+};
+
+#endif