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-rw-r--r--fs/fs-writeback.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 3a07f6d8bc0b..482de0a92ca7 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -169,6 +169,7 @@ void bdi_start_background_writeback(struct backing_dev_info *bdi)
* We just wake up the flusher thread. It will perform background
* writeback as soon as there is no other work to do.
*/
+ trace_writeback_wake_background(bdi);
spin_lock_bh(&bdi->wb_lock);
bdi_wakeup_flusher(bdi);
spin_unlock_bh(&bdi->wb_lock);