Hello, Jan. On Wed, Feb 19, 2014 at 10:27:31AM +0100, Jan Kara wrote: > You are the workqueue expert so you may know better ;) But the way I > understand it is that queue_delayed_work() does nothing if the timer is > already running. Since we queue flusher work to run either immediately or > after dirty_writeback_interval we are safe to run queue_delayed_work() > whenever we want it to run after dirty_writeback_interval and > mod_delayed_work() whenever we want to run it immediately. Ah, okay, so it's always mod on immediate and queue on delayed. Yeah, that should work. > But it's subtle and some interface where we could say queue delayed work > after no later than X would be easier to grasp. Yeah, I think it'd be better if we had something like mod_delayed_work_if_later(). Hmm... 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>