On Friday, 6 July 2007 11:31, Miklos Szeredi wrote: > > > > On Fri, 2007-07-06 at 09:13 +0200, Miklos Szeredi wrote: > > > > > > > > > > Another myth, that has been debunked already. The problem is: how do > > > > > you define fuse processes? There's no theoretical or even practial > > > > > way to do that. > > > > > > > > It could if they told the kernel via some black magic ... > > > > > > > > But that still suck. The freezer sucks :-) > > > > > > Yeah, and it wouldn't work in practice, since the auxilary tasks might > > > be part of a library which is not even aware of being used by a "fuse > > > task". > > > > This is why I think the whole concept of filesystems in userspace is broken. > > Trying to shift things that need special privilege and special handling to > > userspace is just asking for trouble. > > I'm not claiming fuse doesn't introduce problems. I've been tackling > those problems for a number of years now. Suspend/hibernate is just > the next thing that needs looking at. > > Just blaming either suspend or fuse for these problems is unproductive > and stupid. Well, the "stupid" part is a bit offensive, don't you think? > The problems _are_ solvable if not always simply. Agreed. > > You can say it's the kernel code's fault, but then you have to > > explain why it's only fuse (yeah ok, and XFS) that have problems. > > I'm not faulting anythig. My opinion, is that the freezer is not > needed for suspend, and removing it will not just solve the problems > with fuse but several others. It probably needs a lot of work, but > hey, that's why we are here. > > The patch posted by Rafael, which lets the freezer skip uninterrupible > tasks is a step in the right direction. Thanks. BTW, I think that this is just less radical than the change proposed by Matthew and it should address the underlying problems. Greetings, Rafael -- "Premature optimization is the root of all evil." - Donald Knuth _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
