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=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED 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 E209BC43142 for ; Thu, 2 Aug 2018 20:47:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 980D620C0C for ; Thu, 2 Aug 2018 20:47:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="WCRH/nu9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 980D620C0C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731868AbeHBWke (ORCPT ); Thu, 2 Aug 2018 18:40:34 -0400 Received: from mail-it0-f67.google.com ([209.85.214.67]:35434 "EHLO mail-it0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731429AbeHBWke (ORCPT ); Thu, 2 Aug 2018 18:40:34 -0400 Received: by mail-it0-f67.google.com with SMTP id q20-v6so5462847ith.0 for ; Thu, 02 Aug 2018 13:47:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=gIDeRN8J/Y/aNqQwy9hbtSwtLadHb4xCCNgbis+F5Hw=; b=WCRH/nu9L/Yce2r2tsEWdrJCXekPtTOR/0cD0tJaQjOubEAb5R1UPzEVczxHYn2DLu QTgh+/pCO8uEzjQYpW6nfKEt0r0Lc3QU2QzPNjPeNHW53b62tMU0J6kV0Z8nPlPm2iPS JGOy23ZSn3fXhqjDyy5UQq7CGGtW+lq4xv+Vf+4KvO/0QOoXSU4StaA+Z2VjzuuxM/HU d4FAyY6LQicWujal1TFhZ6ObqaNdV+6vxPxt2IodqNHNS//OuQTfoBPtKATMMqpA9z/z 1ip3L+V9fBsGazOflLZZBTUwr0y6KdtLYYIeSjX1Z1e9365UWGJK77dGR+Ko4N0Bveke qCIg== 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=gIDeRN8J/Y/aNqQwy9hbtSwtLadHb4xCCNgbis+F5Hw=; b=i54jZNreJv7cYBGf9GhDbnyCjNrGgceJftAvNr4X4LiG2ng7vxtG5TRaRwQ7tGxFVY mc9+E2Rw97YxCasJWx6Ao8OsnnUPRaY/JLnnqajsNWWpmu6f4KtRGPHVp1BEcCAY5dMD IbRSaTggDqWlaf1e6awcJKxU2+g0Np7m8k7ZpCeDzVjrnB+xn6ucKEJ7SjJDJIi0klIx jfCr0lQLj4zruWdox4iJ+jzSZA3gvkOKGArSUgjY2XfxZNFD5e52/8TuT32ik1SetapQ vtiymkBIUhvLI2VYjpqjAPEJX+i1k4krSYGm5Kwz78EmRREcYf9wJugLThxQ87dEOonN LHVg== X-Gm-Message-State: AOUpUlH/aOM0zVumaV4UK1isgIb15LpFC1pB++/hY34FJDaGRIax0Ojm GoJcNyvZv3PQJgIuf4CmZXBl3qPm95w= X-Google-Smtp-Source: AAOMgpemAEX1MWBJmMWFFy+Jp2L12ZoLl5dsABAncM4uLdjKzGHaApJOTkWAQEwXri9aMIp6+Uw5SQ== X-Received: by 2002:a02:9b2a:: with SMTP id o39-v6mr1119992jak.106.1533242865121; Thu, 02 Aug 2018 13:47:45 -0700 (PDT) Received: from [192.168.1.212] (107.191.0.158.static.utbb.net. [107.191.0.158]) by smtp.gmail.com with ESMTPSA id p84-v6sm1185354itc.2.2018.08.02.13.47.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Aug 2018 13:47:43 -0700 (PDT) Subject: Re: [PATCH V2 0/2] blk-mq: fix fix blk_mq_tagset_busy_iter To: Ming Lei Cc: linux-block@vger.kernel.org, Josef Bacik , Christoph Hellwig , Guenter Roeck , Mark Brown , Matt Hart , Johannes Thumshirn , John Garry , Hannes Reinecke , "Martin K. Petersen" , James Bottomley , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20180802174937.15444-1-ming.lei@redhat.com> From: Jens Axboe Message-ID: <5d0d3e30-ac78-5a84-48b5-5e558c3e7eaa@kernel.dk> Date: Thu, 2 Aug 2018 14:47:41 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <20180802174937.15444-1-ming.lei@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/2/18 11:49 AM, Ming Lei wrote: > Hi Jens, > > The two patches fixes boot hang issue in lots of test vm system. > And the cause is in blk_mq_tagset_busy_iter(). > > V2: > - move blk_mq_request_started() into header file as suggested by > James I'd be fine with moving that into a header, if the target of this was 4.19. But it's not, so there's absolutely no point to include that in this series. I'm going to apply 2/2 for 4.18. -- Jens Axboe