[PATCH v4 6/9] docs: filesystems: vfs: Use SPDX identifier

[Tobin C. Harding]

Currently the licence is indicated via a custom string.  We have SPDX
license identifiers now for this task.

Use SPDX license identifier matching current license string.

Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Signed-off-by: Tobin C. Harding <tobin@xxxxxxxxxx>
---
 Documentation/filesystems/vfs.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 790feccca5f4..5c8358c73e30 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
 =========================================
 Overview of the Linux Virtual File System
 =========================================
@@ -9,8 +11,6 @@ Overview of the Linux Virtual File System
   Copyright (C) 1999 Richard Gooch
   Copyright (C) 2005 Pekka Enberg
 
-  This file is released under the GPLv2.
-
 
 Introduction
 ============
-- 
2.21.0