From: Yufen Yu Date: Fri, 3 Jul 2020 06:13:23 +0000 (-0400) Subject: docs: block: update and fix tiny error for bfq X-Git-Tag: v5.15~3307^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=65752aef0a407e1ef17ec78a7fc31ba4e0b360f9;p=platform%2Fkernel%2Flinux-starfive.git docs: block: update and fix tiny error for bfq The max value of blkio.bfq.weight is 1000, rather than 10000. And 'weights' have been remove from /sys/block/XXX/queue/iosched. Signed-off-by: Yufen Yu Acked-by: Paolo Valente Signed-off-by: Jens Axboe --- diff --git a/Documentation/block/bfq-iosched.rst b/Documentation/block/bfq-iosched.rst index 0d237d4..19d4d15 100644 --- a/Documentation/block/bfq-iosched.rst +++ b/Documentation/block/bfq-iosched.rst @@ -492,13 +492,6 @@ set max_budget to higher values than those to which BFQ would have set it with auto-tuning. An alternative way to achieve this goal is to just increase the value of timeout_sync, leaving max_budget equal to 0. -weights -------- - -Read-only parameter, used to show the weights of the currently active -BFQ queues. - - 4. Group scheduling with BFQ ============================ @@ -566,7 +559,7 @@ Parameters to set For each group, there is only the following parameter to set. weight (namely blkio.bfq.weight or io.bfq-weight): the weight of the -group inside its parent. Available values: 1..10000 (default 100). The +group inside its parent. Available values: 1..1000 (default 100). The linear mapping between ioprio and weights, described at the beginning of the tunable section, is still valid, but all weights higher than IOPRIO_BE_NR*10 are mapped to ioprio 0.