On Friday 22 January 2010, Leisner, Martin wrote: > I noticed when we enter sleep states, it seems there's always a > sys_sync given. > > When having an embedded system doing WOL (already in laptop mode to > cache > all the writes), it reasonable to wake up dozens of times of day and > quickly go back to sleep. If the disk is not spun up, > and there's some work to be done, won't the sys_sync spin up the disk > before going to sleep? > > It would be good to have a knob (in /sys) you can tweak from usespace to > > configure the behavior of whether you want to do a sync when entering > sleep. > > The ideal behavior would be: > > if(disk is spun up) > then let the sync happen I'm not against that. Patch welcome. :-) Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
