diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 911d434..88122089 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -46,7 +46,6 @@
 void dm_table_postsuspend_targets(struct dm_table *t);
 int dm_table_resume_targets(struct dm_table *t);
 int dm_table_any_congested(struct dm_table *t, int bdi_bits);
-void dm_table_unplug_all(struct dm_table *t);
 
 /*
  * To check the return value from dm_table_find_target().
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 6b80961..e462c7f 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -238,6 +238,11 @@
 int dm_table_complete(struct dm_table *t);
 
 /*
+ * Unplug all devices in a table.
+ */
+void dm_table_unplug_all(struct dm_table *t);
+
+/*
  * Table reference counting.
  */
 struct dm_table *dm_get_table(struct mapped_device *md);