On Tue, Mar 29, 2011 at 10:35:13AM -0700, Chad Talbott wrote: > I'd like to propose a discussion topic: > > IO-less Dirty Throttling Considered Harmful... > I see that writeback has extended session at 10.00. I am assuming IO less throttling will be discussed there. Is it possible to discuss its effect on block cgroups there? I am not sure enough time is there because it ties in memory cgroup also. Or there is a session at 12.30 "memcg dirty limits and writeback", it can probably be discussed there too. > to isolation and cgroup IO schedulers in general. The disk scheduler > is knocked out of the picture unless it can see the IO generated by > each group above it. The world of memcg-aware writeback stacked on > top of block-cgroups is a complicated one. Throttling in > balance_dirty_pages() will likely be a non-starter for current users > of group-aware CFQ. Can't a single flusher thread keep all the groups busy/full on slow SATA device. Thanks Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html