Hi! > > > What do you mean by safe state? > > > > > I need to get more details on this but I assume its a state where the > > meta data of the file system is committed to the emmc before lights go > > off such that when power is reapplied that the damage isn't too big. > > I don't think you can guarantee that the metadata won't be damaged > without notifying the filesystem of the event (and making it react > appropriately). Journalling filesystem should survive power loss at random time, as long as block device behaves like a disk (i.e. writes whole sectors). And that can be guaranteed at driver level... -- (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