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-rw-r--r--fs/btrfs/Makefile1
-rw-r--r--fs/btrfs/export.c1
-rw-r--r--fs/btrfs/export.h1
-rw-r--r--fs/btrfs/extent_io.c1
-rw-r--r--fs/btrfs/extent_io.h1
-rw-r--r--fs/btrfs/extent_map.c1
-rw-r--r--fs/btrfs/extent_map.h1
-rw-r--r--fs/btrfs/inode-map.h1
-rw-r--r--fs/btrfs/sysfs.h1
9 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 962a95aefb81..f2cd9dedb037 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_BTRFS_FS) := btrfs.o
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index fa66980726c9..3aeb5770f896 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/fs.h>
#include <linux/types.h>
#include "ctree.h"
diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h
index 074348a95841..91b3908e7c54 100644
--- a/fs/btrfs/export.h
+++ b/fs/btrfs/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BTRFS_EXPORT_H
#define BTRFS_EXPORT_H
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 970190cd347e..7fa50e12f18e 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/bio.h>
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index faffa28ba707..e5535bbe6953 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __EXTENTIO__
#define __EXTENTIO__
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 69850155870c..2e348fb0b280 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index a67b2def5413..64365bbc9b16 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __EXTENTMAP__
#define __EXTENTMAP__
diff --git a/fs/btrfs/inode-map.h b/fs/btrfs/inode-map.h
index c8e864b2d530..6734ec92a1e9 100644
--- a/fs/btrfs/inode-map.h
+++ b/fs/btrfs/inode-map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __BTRFS_INODE_MAP
#define __BTRFS_INODE_MAP
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index d7da1a4c2f6c..4cb908305e5d 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BTRFS_SYSFS_H_
#define _BTRFS_SYSFS_H_