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 97406C19F2A for ; Fri, 29 Jul 2022 07:39:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234892AbiG2Hjz (ORCPT ); Fri, 29 Jul 2022 03:39:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234874AbiG2Hjy (ORCPT ); Fri, 29 Jul 2022 03:39:54 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 284AE81B04 for ; Fri, 29 Jul 2022 00:39:52 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LvK953qmDzlWKt; Fri, 29 Jul 2022 15:37:13 +0800 (CST) Received: from huawei.com (10.29.88.127) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Jul 2022 15:39:48 +0800 From: Chao Leng To: , CC: , , , , Subject: [PATCH 0/3] improve nvme quiesce time for large amount of namespaces Date: Fri, 29 Jul 2022 15:39:45 +0800 Message-ID: <20220729073948.32696-1-lengchao@huawei.com> X-Mailer: git-send-email 2.16.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.29.88.127] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This set improves the quiesce time when using a large set of namespaces, which also improves I/O failover time in a multipath environment. Chao Leng (3): blk-mq: delete unnecessary comments nvme: improve the quiesce time for non blocking transports nvme: improve the quiesce time for blocking transports block/blk-mq.c | 4 ---- drivers/nvme/host/core.c | 60 +++++++++++++++++++++++++++++++++++++++++------- 2 files changed, 52 insertions(+), 12 deletions(-) -- 2.16.4