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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 BE401C433FF for ; Wed, 31 Jul 2019 19:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94322206B8 for ; Wed, 31 Jul 2019 19:48:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cqKSaJnU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728274AbfGaTsH (ORCPT ); Wed, 31 Jul 2019 15:48:07 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:37461 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726469AbfGaTsH (ORCPT ); Wed, 31 Jul 2019 15:48:07 -0400 Received: by mail-qt1-f196.google.com with SMTP id y26so67773167qto.4; Wed, 31 Jul 2019 12:48:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=r4ThdQGVBATX5UW51gPtaZR8VaZdoaqY85bZCDNitnU=; b=cqKSaJnUU6IyUb7AVNz0kGQRw48j8UF9qqD/afuBGcjSXsHVzpD1MM6GXMFcTNyJHK 68CugZ2jVNvnBWIXz5Ey8iCf8NFBFDJwbRxvnY4FaMngooIkHbMWapbQj29wbturlceT nXQb9P8ApdCU0wnxs6u6x1Ooi02mHjNdcnVKJZPSsdxpVoV2dqhToNuqf5Ie/AdzwmAw vx4HR1MF4y5/kxXVmQLanG7A+6XGAHnHitSnSmJ6mvNwBCrYd+gqZn7g3mNTl9er6R0n eSEzsvmARLWbm3rrX81yP6DZerKZc8BEVu4HcMc4kPQxt/4o6BT8SlwEuXPM3wcCxAgQ 6aJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=r4ThdQGVBATX5UW51gPtaZR8VaZdoaqY85bZCDNitnU=; b=c8kta/MOBnrTmJiUl6b61rC6JaT579eU8252/vtC8z0DfWucfKom3a1H8W5dxwDYM5 bcmvAFKSSJmXTk26TMgUIGZsS8i+MUXmcX5ll6TSn5VSbwvuUnVGw0BCAbxdTmmMhwNA Q96Y5QFnjbl6leg6xXSExVR89wi92CvQ0km/3Z3nKREEJaGh9Bbhibi6+x3/shPM+KwU j6QEshQApp6a6dwjMG9+SktcpwdXvq97jJq6AHChqTsmqJrEk+tGEz55W+2/6Zvof3Bg qt7SeeU/3V3fsyJakNCDCmNY7IhBigduf13HiyP18lCOC21oY+cTOMCWYMIxmo2RLH+S mU9A== X-Gm-Message-State: APjAAAVOjjYWjjENIYiB+bTBAgTyhVakR0Yg4i8QqmHevQqddNSzMoFW aGncsVRMfSo9XwgoGOaF3mQ945fILki4o0v0m6k= X-Google-Smtp-Source: APXvYqwun7y8X5PX4twGro6+r4qzgqvWKHZsH1GiyxzF3Cp2J87Q7dbt9/bUPE9AjFE3UGCHOgIrSPFmoEfKpsOO9g4= X-Received: by 2002:ac8:25e7:: with SMTP id f36mr87184016qtf.139.1564602486802; Wed, 31 Jul 2019 12:48:06 -0700 (PDT) MIME-Version: 1.0 References: <20190729203135.12934-1-gpiccoli@canonical.com> <20190729203135.12934-2-gpiccoli@canonical.com> <87ftmnkpxi.fsf@notabene.neil.brown.name> <9dd836f8-7358-834f-8d29-cd0db717d01b@canonical.com> In-Reply-To: <9dd836f8-7358-834f-8d29-cd0db717d01b@canonical.com> From: Song Liu Date: Wed, 31 Jul 2019 12:47:55 -0700 Message-ID: Subject: Re: [PATCH 1/2] md/raid0: Introduce new array state 'broken' for raid0 To: "Guilherme G. Piccoli" Cc: NeilBrown , Bob Liu , linux-raid , Jay Vosburgh , Song Liu , dm-devel@redhat.com, Neil F Brown , linux-block@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Wed, Jul 31, 2019 at 6:05 AM Guilherme G. Piccoli wrote: > > On 30/07/2019 21:28, NeilBrown wrote: > > On Tue, Jul 30 2019, Bob Liu wrote: > >> > >> > >> Curious why only raid0 has this issue? > > > > Actually, it isn't only raid0. 'linear' has the same issue. > > Probably the fix for raid0 should be applied to linear too. > > > > NeilBrown > > > > Thanks Neil, it makes sense! I didn't considered "linear" and indeed, > after some testing, it reacts exactly as raid0/stripping. > > In case this patch gets good acceptance I can certainly include > md/linear in that! > Cheers, This looks good. Please include Neil's feedback in v2. Btw, there is no 2/2 in this set, right? Song