From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kemeng Shi Subject: [PATCH 2/3] block: Correct comment for scale_cookie_change Date: Thu, 29 Sep 2022 15:40:54 +0800 Message-ID: <20220929074055.30080-3-shikemeng@huawei.com> References: <20220929074055.30080-1-shikemeng@huawei.com> Mime-Version: 1.0 Return-path: In-Reply-To: <20220929074055.30080-1-shikemeng@huawei.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: tj@kernel.org, axboe@kernel.dk Cc: cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, shikemeng@huawei.com 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 --- 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