From patchwork Wed Nov 23 06:03:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kemeng Shi X-Patchwork-Id: 13053086 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BBFDC4332F for ; Wed, 23 Nov 2022 06:04:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235641AbiKWGEL (ORCPT ); Wed, 23 Nov 2022 01:04:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235555AbiKWGEK (ORCPT ); Wed, 23 Nov 2022 01:04:10 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29893F2C05; Tue, 22 Nov 2022 22:04:07 -0800 (PST) Received: from kwepemi500016.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4NH9Xv5ywQzHw5S; Wed, 23 Nov 2022 14:03:27 +0800 (CST) Received: from huawei.com (10.174.178.129) by kwepemi500016.china.huawei.com (7.221.188.220) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 23 Nov 2022 14:04:03 +0800 From: Kemeng Shi To: , , CC: , , , Subject: [PATCH 00/11] A few bugfix and cleanup patches for blk-throttle Date: Wed, 23 Nov 2022 14:03:50 +0800 Message-ID: <20221123060401.20392-1-shikemeng@huawei.com> X-Mailer: git-send-email 2.14.1.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.178.129] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500016.china.huawei.com (7.221.188.220) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, this series contain a few patches to fix problem when on the default hierarchy, corrent comment and so on. More detail can be found in respective changelogs. Thanks. Kemeng Shi (11): blk-throttle: Limit whole system if root group is configured when on the default hierarchy blk-throttle: Fix that bps of child could exceed bps limited in parent blk-throttle: ignore cgroup without io queued in blk_throtl_cancel_bios blk-throttle: correct calculation of wait time in tg_may_dispatch blk-throttle: simpfy low limit reached check in throtl_tg_can_upgrade blk-throttle: fix typo in comment of throtl_adjusted_limit blk-throttle: remove incorrect comment for tg_last_low_overflow_time blk-throttle: remove repeat check of elapsed time from last upgrade in throtl_hierarchy_can_downgrade blk-throttle: remove unnecessary check for validation of limit index blk-throttle: remove unused variable td in tg_update_has_rules blk-throttle: Use more siutable time_after check for update slice_start block/blk-throttle.c | 98 ++++++++++++++++++-------------------------- 1 file changed, 39 insertions(+), 59 deletions(-)