[PATCH] writeback: make wb_do_writeback() as static

[Haicheng Li]

It's not used globally and could be static.

Cc: Jan Kara <jack@xxxxxxx>
Signed-off-by: Haicheng Li <haicheng.li@xxxxxxxxxxxxxxx>
---
 fs/fs-writeback.c         |    2 +-
 include/linux/writeback.h |    1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 3be5718..f892dec 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -959,7 +959,7 @@ static long wb_check_old_data_flush(struct bdi_writeback *wb)
 /*
  * Retrieve work items and do the writeback they describe
  */
-long wb_do_writeback(struct bdi_writeback *wb, int force_wait)
+static long wb_do_writeback(struct bdi_writeback *wb, int force_wait)
 {
 	struct backing_dev_info *bdi = wb->bdi;
 	struct wb_writeback_work *work;
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 579a500..e27468e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -94,7 +94,6 @@ int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
 void sync_inodes_sb(struct super_block *);
 long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages,
 				enum wb_reason reason);
-long wb_do_writeback(struct bdi_writeback *wb, int force_wait);
 void wakeup_flusher_threads(long nr_pages, enum wb_reason reason);
 void inode_wait_for_writeback(struct inode *inode);
 
-- 
1.7.9.5

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