Hi! > > > Well, it looks like the interactions with dm add quite a bit of > > > complexity here. > > > > What about just fixing xfs (thou shall not write to disk when kernel > > threads are frozen), and getting rid of blockdev freezing? > > Well, first I must admit you were absolutely right being suspicious with > respect to this stuff. (OTOH your patch found real bugs in suspend.c, so...) > OTOH I have no idea _how_ we can tell xfs that the processes have been > frozen. Should we introduce a global flag for that or something? I guess XFS should just do all the writes from process context, and refuse any writing when its threads are frozen... I actually still believe it is doing the right thing, because you can't really write to disk from timer. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
