On 17.01.24 13:20, Christian Loehle wrote: > This doc hasn't been touched in a while, in the meantime some > new io schedulers were added (e.g. all of mq), some with ioprio > support. > > Signed-off-by: Christian Loehle <christian.loehle@xxxxxxx> > --- > Documentation/block/ioprio.rst | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/Documentation/block/ioprio.rst b/Documentation/block/ioprio.rst > index a25c6d5df87b..5410308888d2 100644 > --- a/Documentation/block/ioprio.rst > +++ b/Documentation/block/ioprio.rst > @@ -9,14 +9,14 @@ Intro > With the introduction of cfq v3 (aka cfq-ts or time sliced cfq), basic io > priorities are supported for reads on files. This enables users to io nice > processes or process groups, similar to what has been possible with cpu > -scheduling for ages. This document mainly details the current possibilities > -with cfq; other io schedulers do not support io priorities thus far. > +scheduling for ages. Support for io priorities is io scheduler dependent and > +currently supported by bfq, mq-deadline and cfq. CFQ went away with blk-mq and got replaced by BFQ IIRC. > > Scheduling classes > ------------------ > > -CFQ implements three generic scheduling classes that determine how io is > -served for a process. > +Three generic scheduling classes are implemented for io priorities that > +determine how io is served for a process. > > IOPRIO_CLASS_RT: This is the realtime io class. This scheduling class is given > higher priority than any other in the system, processes from this class are
