Hi! > > > This is a matter for Jens. Is the bdi writeback task freezable? If it > > > is, should it be made unfreezable? > > > > I'm not a big expect on what tasks should be freezable or not. As it > > stands, the writeback tasks will attempt to freeze and thaw with the > > system. I guess that screws the sync from resume call, since it's not > > running and the sync will wait for it to retrieve and finish that work > > item. > > > > To the suspend experts - can we safely mark the writeback tasks as > > non-freezable? > > The reason for freezing those tasks is to avoid writebacks at random > times during a system sleep transition, when the underlying device may > already be suspended, right? It is also there to avoid inconsistency between in-filesystem data and snapshot in hibernation image. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm