[PATCH 2/3] block: Correct comment for scale_cookie_change
From: Kemeng Shi <hidden>
Date: 2022-09-29 07:41:42
Also in:
cgroups, lkml
Subsystem:
block layer, control group - block io controller (blkio), the rest · Maintainers:
Jens Axboe, Tejun Heo, Josef Bacik, Linus Torvalds
Default queue depth of iolatency_grp is unlimited, so we scale down quickly(once by half) in scale_cookie_change. Remove the "subtract 1/16th" part which is not the truth. Signed-off-by: Kemeng Shi <redacted> --- block/blk-iolatency.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index a8cc5abe91e5..2666afd7abdb 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c@@ -364,7 +364,7 @@ static void scale_cookie_change(struct blk_iolatency *blkiolat, } /* - * Change the queue depth of the iolatency_grp. We add/subtract 1/16th of the + * Change the queue depth of the iolatency_grp. We add 1/16th of the * queue depth at a time so we don't get wild swings and hopefully dial in to * fairer distribution of the overall queue depth. */
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2.30.0