On 2013年12月31日 16:49, Zheng Liu wrote: > Hi Chris, > > On Mon, Dec 30, 2013 at 09:36:20PM +0000, Chris Mason wrote: >> Hi everyone, >> >> I'd like to attend the LSF/MM conference this year. My current >> discussion points include: >> >> All things Btrfs! >> >> Adding cgroups for more filesystem resources, especially to limit the >> speed dirty pages are created. > > Interesting. If I remember correctly, IO-less dirty throttling has been > applied into upstream kernel, which can limit the speed that dirty pages > are created. Does it has any defect? Have you really experienced in cgroup + IO less throttle? AFAICS, IO less is aimed to reduce foreground writeback and low latency pauses in balance_dirty_pages(), but it is independent to cgroup. It seems that the cgroup throttle is still under discussion on: http://markmail.org/message/kdda272qiah77np4. Thanks, -Jeff -- 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