[PATCH] writeback: fix a typo in comment

[Yan Hong]

Signed-off-by: Yan Hong <clouds.yan@xxxxxxxxx>
---
 fs/fs-writeback.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 51ea267..e9e619a 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1032,7 +1032,7 @@ int bdi_writeback_thread(void *data)
 	while (!kthread_freezable_should_stop(NULL)) {
 		/*
 		 * Remove own delayed wake-up timer, since we are already awake
-		 * and we'll take care of the preriodic write-back.
+		 * and we'll take care of the periodic write-back.
 		 */
 		del_timer(&wb->wakeup_timer);
 
-- 
1.7.9.5

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