Hello, On Fri, Sep 20, 2013 at 04:52:26PM +0400, Maxim Patlasov wrote: > @@ -294,7 +294,7 @@ void bdi_wakeup_thread_delayed(struct backing_dev_info *bdi) > unsigned long timeout; > > timeout = msecs_to_jiffies(dirty_writeback_interval * 10); > - mod_delayed_work(bdi_wq, &bdi->wb.dwork, timeout); > + queue_delayed_work(bdi_wq, &bdi->wb.dwork, timeout); Hmmm... this at least requires comment explaining why mod_delayed_work() doesn't work here. Also, I wonder whether what we need is a function which either queues if !pending and shortens timer if pending. This is a relatively common pattern and the suggested fix is subtle and fragile. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>