Hi! > > > 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. > > This is from a work queue, so in fact from a process context, but from > a process that is running with PF_NOFREEZE. Why not simply &~ PF_NOFREEZE on that particular process? Filesystems are free to use threads/work queues/whatever, but refrigerator should mean "no writes to filesystem" for them... 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
