On Tue, Jul 28, 2026 at 05:57:07PM +0800, Tao Cui wrote: > io.latency is documented only in terms of average latency and the avg_lat > stat, which matches rotational devices. On non-rotational devices a group > misses its target once enough of the IOs in the window individually exceed > it, and io.stat reports missed/total rather than avg_lat/win. > > Describe both cases: how a miss is detected, note that the avg_lat tuning > guidance is rotational-only, and update the io.stat field list (mark > avg_lat/win as rotational-only, document missed/total). > > Acked-by: Michal Koutný > Signed-off-by: Tao Cui Applied to cgroup/for-7.2-fixes. Thanks. -- tejun