> > > > > Actually, doing the sync() in the kernel is a hack that we decided not to > > > > > remove just because the users space didin't do the right thing on some systems. > > > > > If the user space always synced disks before suspending, we wouldn't have to > > > > > do that in the kernel. > > > > > > > > If you sync in user space will you not have an inevitable race condition? > > > > > > Do you mean the race with applications that write to disks while the sustem is > > > suspending? > > > > Yes. > > That would matter if sync meant mandatory flushing all data to the storage > medium, but it doesn't. From a filesystem point of view it's an advisory > thing, something like "I wish you flushed buffers right now". No, I don't think so. Maybe posix states its advisory and only starts a writeback, but linux historicaly did the right thing. -- (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
