Hello, On Tue, May 29, 2018 at 05:17:24PM -0400, Josef Bacik wrote: > diff --git a/Documentation/blk-iolatency.txt b/Documentation/blk-iolatency.txt > new file mode 100644 > index 000000000000..9dd86f4f64b6 > --- /dev/null > +++ b/Documentation/blk-iolatency.txt Can you make it a part of Documentation/cgroup-v2.txt? > +Interface > +========= > + > +- io.latency. This takes a similar format as the other controllers > + > + "MAJOR:MINOR target=<target time in microseconds" > > +HOWTO > +===== > + > +The limits are only applied at the peer level in the heirarchy. This means that ^hierarchy Thanks. -- tejun