diff options
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 99890831d557..9008c4e207f6 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -310,6 +310,7 @@ static void wakeup_timer_fn(unsigned long data) spin_lock_bh(&bdi->wb_lock); if (bdi->wb.task) { + trace_writeback_wake_thread(bdi); wake_up_process(bdi->wb.task); } else { /* @@ -317,6 +318,7 @@ static void wakeup_timer_fn(unsigned long data) * In this case we have to wake-up the forker thread which * should create and run the bdi thread. */ + trace_writeback_wake_forker_thread(bdi); wake_up_process(default_backing_dev_info.wb.task); } spin_unlock_bh(&bdi->wb_lock); |