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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C94D5C48BCD for ; Wed, 9 Jun 2021 20:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFC086139A for ; Wed, 9 Jun 2021 20:09:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229578AbhFIUL1 (ORCPT ); Wed, 9 Jun 2021 16:11:27 -0400 Received: from mail-pl1-f180.google.com ([209.85.214.180]:33692 "EHLO mail-pl1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbhFIULY (ORCPT ); Wed, 9 Jun 2021 16:11:24 -0400 Received: by mail-pl1-f180.google.com with SMTP id c13so13293547plz.0 for ; Wed, 09 Jun 2021 13:09:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=oWNyH3PrTLHPhINXosCqEXI/kii6QlAfoRcWZR+MShs=; b=mipOWtt9pNTsQCFIoHmoFwRav/qZ7XyTcEscrORD5h6WAw/B+nJIJy9z+5a+3pK77P XSQyoZRPst/ybaa4O1wZB2pF2GqJV166Mrgi0FuLHEBHmP2vbuF/aZex+b8nv/r6IJme 5ggAKk0OD7CGsL0RDWRwqWZF3oL5xyhEv3/1i9obg3Mgx79UAWZCH3yqS8scS6dkUB0z 9tCWRlmPDk6Y+eiwGpL82KY93pz9HUSAJmNYNiEcRYfT4IAmv5vWnUzxyONkfT1xC8gI WfCcRs5FiIMuzYQPR4/EvHQhzcdQAp3VXSgQtRnganpdARxONJG76SIHBn8BWUctB5Ok PufQ== X-Gm-Message-State: AOAM530BlL0/GaJTIbnLECNFXq+e+ood6I8FPDRhTisP+TkyFAFkSREM EgF2X30RmcZc3kFgjn9vxu0= X-Google-Smtp-Source: ABdhPJy6pfY45GbgWhThk8c+MSjDZyDA9bOHeDfqkGWUDDKfK/myovBFj4TQOolzQaKl2/3EHD83pA== X-Received: by 2002:a17:90b:8d:: with SMTP id bb13mr1296673pjb.98.1623269355299; Wed, 09 Jun 2021 13:09:15 -0700 (PDT) Received: from [192.168.3.217] (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id 141sm481098pgf.92.2021.06.09.13.09.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Jun 2021 13:09:14 -0700 (PDT) Subject: Re: [PATCH V3 2/2] block: mark queue init done at the end of blk_register_queue To: Ming Lei , Jens Axboe , Christoph Hellwig Cc: linux-block@vger.kernel.org, Yi Zhang References: <20210609015822.103433-1-ming.lei@redhat.com> <20210609015822.103433-3-ming.lei@redhat.com> From: Bart Van Assche Message-ID: Date: Wed, 9 Jun 2021 13:09:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210609015822.103433-3-ming.lei@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 6/8/21 6:58 PM, Ming Lei wrote: > Mark queue init done when everything is done well in blk_register_queue(), > so that wbt_enable_default() can be run quickly without any RCU period > involved since adding rq qos requires to freeze queue. Reviewed-by: Bart Van Assche