[PATCH] btrfs: mark btrfs_put_caching_control static

[lilijuan]

From: Lijuan Li <lilijuan@xxxxxxxxxxx>

btrfs_put_caching_control is only used in block-group.c,
so mark it static.

Signed-off-by: Lijuan Li <lilijuan@xxxxxxxxxxx>
---
 fs/btrfs/block-group.c | 2 +-
 fs/btrfs/block-group.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 1b4be41495ea..84932d944d51 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -418,7 +418,7 @@ struct btrfs_caching_control *btrfs_get_caching_control(
 	return ctl;
 }
 
-void btrfs_put_caching_control(struct btrfs_caching_control *ctl)
+static void btrfs_put_caching_control(struct btrfs_caching_control *ctl)
 {
 	if (refcount_dec_and_test(&ctl->count))
 		kfree(ctl);
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index c03971f50521..8656b38f1fa5 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -311,7 +311,6 @@ void btrfs_wait_nocow_writers(struct btrfs_block_group *bg);
 void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache,
 				           u64 num_bytes);
 int btrfs_cache_block_group(struct btrfs_block_group *cache, bool wait);
-void btrfs_put_caching_control(struct btrfs_caching_control *ctl);
 struct btrfs_caching_control *btrfs_get_caching_control(
 		struct btrfs_block_group *cache);
 int btrfs_add_new_free_space(struct btrfs_block_group *block_group,
-- 
2.40.1