From patchwork Tue Sep 17 12:04:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yufen Yu X-Patchwork-Id: 11148623 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 08EBB13BD for ; Tue, 17 Sep 2019 11:44:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E481221881 for ; Tue, 17 Sep 2019 11:44:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726207AbfIQLoJ (ORCPT ); Tue, 17 Sep 2019 07:44:09 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:53490 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726106AbfIQLoJ (ORCPT ); Tue, 17 Sep 2019 07:44:09 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 4D4FF57F123E32BD66FD; Tue, 17 Sep 2019 19:44:07 +0800 (CST) Received: from huawei.com (10.175.124.28) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.439.0; Tue, 17 Sep 2019 19:44:01 +0800 From: Yufen Yu To: CC: Subject: [PATCH] rq-qos: get rid of redundant wbt_update_limits() Date: Tue, 17 Sep 2019 20:04:27 +0800 Message-ID: <20190917120427.15008-1-yuyufen@huawei.com> X-Mailer: git-send-email 2.17.2 MIME-Version: 1.0 X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org We have updated limits after calling wbt_set_min_lat(). No need to update again. Signed-off-by: Yufen Yu Reviewed-by: Bob Liu --- block/blk-sysfs.c | 1 - 1 file changed, 1 deletion(-) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 9bfa3ea4ed63..62d79916e429 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -482,7 +482,6 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page, blk_mq_quiesce_queue(q); wbt_set_min_lat(q, val); - wbt_update_limits(q); blk_mq_unquiesce_queue(q); blk_mq_unfreeze_queue(q);