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-rw-r--r--drivers/md/Kconfig1
-rw-r--r--drivers/md/bcache/Kconfig1
-rw-r--r--drivers/md/dm-era-target.c1
-rw-r--r--drivers/md/dm.c4
-rw-r--r--drivers/md/md-bitmap.c1
-rw-r--r--drivers/md/persistent-data/Kconfig1
6 files changed, 8 insertions, 1 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index db269a348b20..45254b3ef715 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Block device driver configuration
#
diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig
index f6e0a8b3a61e..6dfa653d30db 100644
--- a/drivers/md/bcache/Kconfig
+++ b/drivers/md/bcache/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config BCACHE
tristate "Block device as cache"
diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c
index 8e48920a3ffa..bdb84b8e7162 100644
--- a/drivers/md/dm-era-target.c
+++ b/drivers/md/dm-era-target.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include "dm.h"
#include "persistent-data/dm-transaction-manager.h"
#include "persistent-data/dm-bitset.h"
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 1fb1333fefec..997385c1ca54 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1469,7 +1469,7 @@ static unsigned get_num_write_zeroes_bios(struct dm_target *ti)
static int __send_changing_extent_only(struct clone_info *ci, struct dm_target *ti,
unsigned num_bios)
{
- unsigned len = ci->sector_count;
+ unsigned len;
/*
* Even though the device advertised support for this type of
@@ -1480,6 +1480,8 @@ static int __send_changing_extent_only(struct clone_info *ci, struct dm_target *
if (!num_bios)
return -EOPNOTSUPP;
+ len = min((sector_t)ci->sector_count, max_io_len_target_boundary(ci->sector, ti));
+
__send_duplicate_bios(ci, ti, num_bios, &len);
ci->sector += len;
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 3a62a46b75c7..c01d41198f5e 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* bitmap.c two-level bitmap (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003
*
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig
index a53cbc928af1..baaec1ae29c1 100644
--- a/drivers/md/persistent-data/Kconfig
+++ b/drivers/md/persistent-data/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config DM_PERSISTENT_DATA
tristate
depends on BLK_DEV_DM
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