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 <shikemeng@xxxxxxxxxx> --- 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. */ -- 2.30.0
