From mboxrd@z Thu Jan 1 00:00:00 1970 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 7DE05C433FE for ; Fri, 28 Jan 2022 08:34:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347342AbiA1Iek (ORCPT ); Fri, 28 Jan 2022 03:34:40 -0500 Received: from szxga03-in.huawei.com ([45.249.212.189]:32128 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347325AbiA1Iei (ORCPT ); Fri, 28 Jan 2022 03:34:38 -0500 Received: from kwepemi100013.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4JlVzr53VXz8wcq; Fri, 28 Jan 2022 16:31:36 +0800 (CST) Received: from kwepemm600009.china.huawei.com (7.193.23.164) by kwepemi100013.china.huawei.com (7.221.188.136) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 28 Jan 2022 16:34:35 +0800 Received: from huawei.com (10.175.127.227) by kwepemm600009.china.huawei.com (7.193.23.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 28 Jan 2022 16:34:35 +0800 From: Yu Kuai To: , , CC: , , , , Subject: [PATCH v7 0/2] cancel all throttled bios in del_gendisk() Date: Fri, 28 Jan 2022 16:45:20 +0800 Message-ID: <20220128084522.3169961-1-yukuai3@huawei.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600009.china.huawei.com (7.193.23.164) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If del_gendisk() is done when some io are still throttled, such io will not be handled until the throttle is done, which is not necessary. Changes in v7: - use the new solution as suggested by Ming. Yu Kuai (2): blk-throtl: introduce a new flag THROTL_TG_CANCELING block: cancel all throttled bios in del_gendisk() block/blk-throttle.c | 49 ++++++++++++++++++++++++++++++++++++++++---- block/blk-throttle.h | 2 ++ block/genhd.c | 2 ++ 3 files changed, 49 insertions(+), 4 deletions(-) -- 2.31.1