diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
| commit | 50ba0232fd5312410f1b65247e774244f89a628e (patch) | |
| tree | fd8f2fc78e9e548af0ff9590276602ee6125be00 /Documentation/block | |
| parent | Releasing progress-linux version 6.7.12-1~progress7.99u1. (diff) | |
| download | linux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz linux-50ba0232fd5312410f1b65247e774244f89a628e.zip | |
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/block')
| -rw-r--r-- | Documentation/block/ioprio.rst | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/block/ioprio.rst b/Documentation/block/ioprio.rst index a25c6d5df8..4662e1ff3d 100644 --- a/Documentation/block/ioprio.rst +++ b/Documentation/block/ioprio.rst @@ -6,17 +6,16 @@ Block io priorities 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. +The io priority feature enables users to io nice processes or process groups, +similar to what has been possible with cpu scheduling for ages. Support for io +priorities is io scheduler dependent and currently supported by bfq and +mq-deadline. 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 |