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 60BEAC4708D for ; Wed, 4 Jan 2023 08:29:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234036AbjADI3q (ORCPT ); Wed, 4 Jan 2023 03:29:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234037AbjADI3Y (ORCPT ); Wed, 4 Jan 2023 03:29:24 -0500 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B16BE186CF; Wed, 4 Jan 2023 00:29:23 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Nn2nn3qCcz4f3mSy; Wed, 4 Jan 2023 16:29:17 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.127.227]) by APP2 (Coremail) with SMTP id Syh0CgBnW+ndOLVjwys+BA--.58806S4; Wed, 04 Jan 2023 16:29:19 +0800 (CST) From: Yu Kuai To: tj@kernel.org, hch@infradead.org, josef@toxicpanda.com, axboe@kernel.dk Cc: cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next 0/4] block/rq_qos: protect rq_qos apis with global mutex Date: Wed, 4 Jan 2023 16:53:50 +0800 Message-Id: <20230104085354.2343590-1-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: Syh0CgBnW+ndOLVjwys+BA--.58806S4 X-Coremail-Antispam: 1UD129KBjvdXoW7Wr1Utw13Kw4DZrykKFy5XFb_yoW3JFbEyF WkCa43Wr1kJ3WY9FWxKF4UGFyIkrW5Gr4Iya4UtFWfXr1fJrnxJwsxAr4vvw43XFWUGws8 Jw1DXrn5Jws2qjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbxkFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFyl IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_ Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUb XdbUUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yu Kuai This patchset is a new version, use a different solution suggested by Tejun in [1]. [1] https://lore.kernel.org/all/Y6DP3aOSad8+D1yY@slm.duckdns.org/ Yu Kuai (4): block/rq_qos: move implementions of init/exit rq-qos apis to blk-rq-qos.c block/rq_qos: factor out a helper to add rq_qos and activate policy block/rq_qos: use a global mutex to protect rq_qos apis block/rq_qos: fail rq_qos_add() after rq_qos_exit() block/blk-iocost.c | 14 +---- block/blk-iolatency.c | 7 +-- block/blk-rq-qos.c | 118 ++++++++++++++++++++++++++++++++++++++++-- block/blk-rq-qos.h | 69 +++--------------------- 4 files changed, 125 insertions(+), 83 deletions(-) -- 2.31.1