Messages in this thread | | | Subject | Re: workqueue_set_max_active(wq, 0)? | From | Johannes Berg <> | Date | Fri, 09 Dec 2011 17:59:23 +0100 |
| |
Hi Tejun,
> > Before I dive in more deeply I figured I'd ask if you think what a good > > way of doing this would be (and whether I'm completely insane) :-) > > Hmmm... yeah, actually, that's what wq uses internally to implement > freezable workqueues. It sets max_active to 0 temporarily and waits > for all in-flight works to finish. On thaw, the original value is > restored.
Right, it's a little more complicated though because it has to wait etc.
> Updating workqueue_set_max_active() to return the old value would be a > nice API update which goes together, I think.
Yeah, that would probably be useful, in particular if one tries to freeze a paused workqueue...
johannes
| |