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=-6.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 85F53C433E7 for ; Sat, 29 Aug 2020 16:47:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6363920791 for ; Sat, 29 Aug 2020 16:47:22 +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="m+jv6bJZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728466AbgH2QrU (ORCPT ); Sat, 29 Aug 2020 12:47:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728442AbgH2QrS (ORCPT ); Sat, 29 Aug 2020 12:47:18 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 386E7C06123A for ; Sat, 29 Aug 2020 09:47:17 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id nv17so969857pjb.3 for ; Sat, 29 Aug 2020 09:47:17 -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=5Rt5+Gjo0UGdPCISf5CydG1I/Z+wq56+kU1eC124qs0=; b=m+jv6bJZRhsllEVJr5l4EY9W/YKC3BAZMM01kcSyMJjFYDecSRzG/FmZTuCJs/t2ny OTZ9rLbXL2RR9XafeWT8qZMVX3EveS6Y24+PU4GHbshyYp9ee+dMK+C0YDAdbf9aKVfG jFqCByaqPcul+XLJJeoNuBseGgzPL/FnONYDc4Cu2YlXVbpi+Vb87s5ho1nAAniIHKh2 KXR7ViPjwNUAJWYxoNcQWgVEZejYo15uNzb3F2nN2WGlqbFQbig7tdJIWt883ZSPHmjM 5IySceO5HRVeWhmNoEcv3uAu5gm6m3KKHdwRHSbGF0wVoZVgzPve+VtbuXjvG8XJZ7Uy as5w== 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=5Rt5+Gjo0UGdPCISf5CydG1I/Z+wq56+kU1eC124qs0=; b=uGAlNm5qMHib0X7Yr/FT1OB5i21N9rCQFdFlo14sdquyHdMBeevBM1mo90QFVXGYev XqnhU6Bw5XWyvL9UQ0H545fOK0zIVmePmxF5wdBFqTKyPI4zxDS6vAdNFKEH60i1oMQB Q2+V6TtoWSQubuG65BT6E9qh1dhccHsg8nh8CUdq7Srl4nYUue/9WjKgwuzpHfmhffJO gXxhtRwssP8Uqbn9FjceqcWmdF+PvhOKNHjeC2DkekP4NlmW+8MPdXEyD1nPGC35dBXj P2k3ml7CltO7CBCD+LsygBQXU4Z4bLMya2qUMsb50faU9ofQzvaujjGzuNsVpPoq4dI8 LLwA== X-Gm-Message-State: AOAM5308kPDUG2SaFoSarzel9CHgo44ILwTknkf4Afpwrg918ElZvQrr kGLeD6j6AXlmZBJ9CprNQmh2nQ== X-Google-Smtp-Source: ABdhPJwh/IaT8sjJze0JR0UOlWwMhEHIvT0ikyEXE/ycXPb0JRTnRL4uDSst200BKNS1envrwdz+3g== X-Received: by 2002:a17:90a:c917:: with SMTP id v23mr3622499pjt.97.1598719634004; Sat, 29 Aug 2020 09:47:14 -0700 (PDT) Received: from [192.168.1.182] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id w82sm3114901pfc.183.2020.08.29.09.47.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 09:47:13 -0700 (PDT) Subject: Re: fix block device size update serialization v2 To: Christoph Hellwig Cc: Justin Sanders , Josef Bacik , Xianting Tian , linux-block@vger.kernel.org, dm-devel@redhat.com, Stefan Haberland , Jan Hoeppner , linux-kernel@vger.kernel.org, nbd@other.debian.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org References: <20200823091043.2600261-1-hch@lst.de> <20200827074758.GA8009@lst.de> From: Jens Axboe Message-ID: Date: Sat, 29 Aug 2020 10:47:11 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200827074758.GA8009@lst.de> 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 8/27/20 1:47 AM, Christoph Hellwig wrote: > Jens, can you consider this for 5.9? It reliably fixes the reported > hangs with nvme hotremoval that we've had for a few releases. I've queued this up for 5.10. I think it's too late for 5.9 at this point, and it's not a regression in this release. -- Jens Axboe