[PATCH] writeback: Remove useless comment for __wakeup_flusher_threads_bdi()

[winndows]

From: Liao Pingfang <winndows@xxxxxxx>

Remove useless comment for __wakeup_flusher_threads_bdi(), as
argument 'nr_pages' was removed.

Fixes: e8e8a0c6c9bf ("writeback: move nr_pages == 0 logic to one location")
Signed-off-by: Liao Pingfang <winndows@xxxxxxx>
---
 fs/fs-writeback.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index acfb558..05eee22 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -2099,10 +2099,6 @@ void wb_workfn(struct work_struct *work)
 	current->flags &= ~PF_SWAPWRITE;
 }
 
-/*
- * Start writeback of `nr_pages' pages on this bdi. If `nr_pages' is zero,
- * write back the whole world.
- */
 static void __wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,
 					 enum wb_reason reason)
 {
-- 
1.8.3.1