block: add SPDX tags to block layer files missing licensing information

Various block layer files do not have any licensing information at all.
Add SPDX tags for the default kernel GPLv2 license to those.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 617a2b3..b97b479 100644 (file)
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Common Block IO controller cgroup interface
  *

diff --git a/block/blk-core.c b/block/blk-core.c
index a55389b..b044829 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1991, 1992 Linus Torvalds
  * Copyright (C) 1994,      Karl Keyte: Added support for disk statistics

diff --git a/block/blk-exec.c b/block/blk-exec.c
index a34b7d9..1db44ca 100644 (file)
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to setting various queue properties from drivers
  */

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index 507212d..d22e61b 100644 (file)
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Block rq-qos base io controller
  *

diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 03a5348..48bebf0 100644 (file)
--- a/block/blk-mq-cpumap.c
+++ b/block/blk-mq-cpumap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * CPU <-> hardware queue mapping helpers
  *

diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index aa6bc5c..f6e3b10 100644 (file)
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * blk-mq scheduling framework
  *

diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 3f9c3f4..61efc2a 100644 (file)
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/backing-dev.h>

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index a4931fc..7513c8e 100644 (file)
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tag allocation using scalable bitmaps. Uses active queue tracking to support
  * fairer distribution of tags between multiple submitters when a shared tag map

diff --git a/block/blk-mq.c b/block/blk-mq.c
index fc60ed7..4f15adf 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Block multiqueue core code
  *

diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index d169d71..3f55b56 100644 (file)
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+
 #include "blk-rq-qos.h"
 
 /*

diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index 5648518..2300e03 100644 (file)
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RQ_QOS_H
 #define RQ_QOS_H
 

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 6375afa..ec150f8 100644 (file)
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to setting various queue properties from drivers
  */

diff --git a/block/blk-stat.c b/block/blk-stat.c
index 696a041..940f15d 100644 (file)
--- a/block/blk-stat.c
+++ b/block/blk-stat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Block stat tracking code
  *

diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 124c261..8aa68fa 100644 (file)
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Functions related to generic timeout handling of requests.
  */

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index fd166fb..313f45a 100644 (file)
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * buffered writeback throttling. loosely based on CoDel. We can't drop
  * packets for IO scheduling, so the logic is something like this:

diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 2d98803..ae7e91b 100644 (file)
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Zoned block device handling
  *

diff --git a/block/elevator.c b/block/elevator.c
index 2e5399d..ec55d5f 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Block device elevator/IO-scheduler.
  *

diff --git a/block/genhd.c b/block/genhd.c
index 83f5c33..ad68266 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  gendisk handling
  */

diff --git a/block/ioctl.c b/block/ioctl.c
index 4825c78..15a0eb8 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/capability.h>
 #include <linux/blkdev.h>
 #include <linux/export.h>

diff --git a/block/ioprio.c b/block/ioprio.c
index f982108..2e0559f 100644 (file)
--- a/block/ioprio.c
+++ b/block/ioprio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/ioprio.c
  *

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 14288f8..1876f57 100644 (file)
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  MQ Deadline i/o scheduler - adaptation of the legacy deadline scheduler,
  *  for the blk-mq scheduling framework

diff --git a/block/partitions/aix.h b/block/partitions/aix.h
index e0c66a9..b4449f0 100644 (file)
--- a/block/partitions/aix.h
+++ b/block/partitions/aix.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern int aix_partition(struct parsed_partitions *state);

diff --git a/block/partitions/amiga.h b/block/partitions/amiga.h
index d094585..7e63f4d 100644 (file)
--- a/block/partitions/amiga.h
+++ b/block/partitions/amiga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/amiga.h
  */

diff --git a/block/partitions/ibm.h b/block/partitions/ibm.h
index 08fb080..8bf13fe 100644 (file)
--- a/block/partitions/ibm.h
+++ b/block/partitions/ibm.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 int ibm_partition(struct parsed_partitions *);

diff --git a/block/partitions/karma.h b/block/partitions/karma.h
index c764b2e..48e074d 100644 (file)
--- a/block/partitions/karma.h
+++ b/block/partitions/karma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/karma.h
  */

diff --git a/block/partitions/msdos.h b/block/partitions/msdos.h
index 38c781c..fcacfc4 100644 (file)
--- a/block/partitions/msdos.h
+++ b/block/partitions/msdos.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/msdos.h
  */

diff --git a/block/partitions/osf.h b/block/partitions/osf.h
index 20ed231..4d8088e 100644 (file)
--- a/block/partitions/osf.h
+++ b/block/partitions/osf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/osf.h
  */

diff --git a/block/partitions/sgi.h b/block/partitions/sgi.h
index b9553eb..a5b77c3 100644 (file)
--- a/block/partitions/sgi.h
+++ b/block/partitions/sgi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/sgi.h
  */

diff --git a/block/partitions/sun.h b/block/partitions/sun.h
index 2424baa..ae1b9ee 100644 (file)
--- a/block/partitions/sun.h
+++ b/block/partitions/sun.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/sun.h
  */

diff --git a/block/partitions/sysv68.h b/block/partitions/sysv68.h
index bf2f5ff..4fb6b8e 100644 (file)
--- a/block/partitions/sysv68.h
+++ b/block/partitions/sysv68.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 extern int sysv68_partition(struct parsed_partitions *state);

diff --git a/block/partitions/ultrix.h b/block/partitions/ultrix.h
index a3cc00b..9f676ce 100644 (file)
--- a/block/partitions/ultrix.h
+++ b/block/partitions/ultrix.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  fs/partitions/ultrix.h
  */