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-rw-r--r--fs/btrfs/locking.h19
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index c44a9d5f5362..29135def468e 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -1,23 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2008 Oracle. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*/
-#ifndef __BTRFS_LOCKING_
-#define __BTRFS_LOCKING_
+#ifndef BTRFS_LOCKING_H
+#define BTRFS_LOCKING_H
#define BTRFS_WRITE_LOCK 1
#define BTRFS_READ_LOCK 2