[PATCH 11/15] blk-cgroup: remove unneeded includes from <linux/blk-cgroup.h>

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Remove all the includes that aren't actually needed from
<linux/blk-cgroup.h> and push them to the actual source files where
needed.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/blk-cgroup.h         |  2 ++
 include/linux/blk-cgroup.h | 15 +++++----------
 mm/backing-dev.c           |  1 +
 mm/readahead.c             |  1 +
 mm/swapfile.c              |  1 +
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index a948f4eb0bff8..62ed8ed50b6e3 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -15,6 +15,8 @@
  */
 
 #include <linux/blk-cgroup.h>
+#include <linux/cgroup.h>
+#include <linux/kthread.h>
 #include <linux/blk-mq.h>
 
 struct blkcg_gq;
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index abbfa97d6d46f..9f40dbc65f82c 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -14,16 +14,11 @@
  * 	              Nauman Rafique <nauman@xxxxxxxxxx>
  */
 
-#include <linux/cgroup.h>
-#include <linux/percpu.h>
-#include <linux/percpu_counter.h>
-#include <linux/u64_stats_sync.h>
-#include <linux/seq_file.h>
-#include <linux/radix-tree.h>
-#include <linux/blkdev.h>
-#include <linux/atomic.h>
-#include <linux/kthread.h>
-#include <linux/fs.h>
+#include <linux/types.h>
+
+struct bio;
+struct cgroup_subsys_state;
+struct request_queue;
 
 #define FC_APPID_LEN              129
 
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 98f8f62e52ca5..ff60bd7d74e07 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
+#include <linux/blkdev.h>
 #include <linux/wait.h>
 #include <linux/rbtree.h>
 #include <linux/kthread.h>
diff --git a/mm/readahead.c b/mm/readahead.c
index 8e3775829513e..c93671a2bf0f7 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -113,6 +113,7 @@
  * ->readpage() which may be less efficient.
  */
 
+#include <linux/blkdev.h>
 #include <linux/kernel.h>
 #include <linux/dax.h>
 #include <linux/gfp.h>
diff --git a/mm/swapfile.c b/mm/swapfile.c
index a2b31fea0c42e..981a6e85c88e7 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -6,6 +6,7 @@
  *  Swap reorganised 29.12.95, Stephen Tweedie
  */
 
+#include <linux/blkdev.h>
 #include <linux/mm.h>
 #include <linux/sched/mm.h>
 #include <linux/sched/task.h>
-- 
2.30.2




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