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=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 0BFA7C04EB8 for ; Fri, 30 Nov 2018 17:20:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C86EC206B7 for ; Fri, 30 Nov 2018 17:20:17 +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="wuCE3JJc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C86EC206B7 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-block-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726736AbeLAEaP (ORCPT ); Fri, 30 Nov 2018 23:30:15 -0500 Received: from mail-it1-f195.google.com ([209.85.166.195]:50290 "EHLO mail-it1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726712AbeLAEaP (ORCPT ); Fri, 30 Nov 2018 23:30:15 -0500 Received: by mail-it1-f195.google.com with SMTP id z7so10237817iti.0 for ; Fri, 30 Nov 2018 09:20:16 -0800 (PST) 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=QO2CiVXn54qdK6JpT9Xi21d4JFxOhnoogfe0Bp8gs1s=; b=wuCE3JJcSCXBj8xfLmRmMOdzesKWPYHpoHmzDRdyIeLS0HQCQBGMdbOTYs/RaNoE5o 02TKfGv1qbT7Ggb06wlkY6GVCJoKFyJ7sG1P3fJmO2vawTL1u/18X0FYUqEu9vgv/T4C DQc/GnJaLmmN8HIn7PbpUGtQH23V4R9g+5ZTVcavxC+K7wgYylQesU2HT/RTJkB1FaGG LUoWKMxkgaBPZLpmAnoLMKYyzVq9lrwk31IzjcyHhUkGuU8NifiWeHP7w6a8eejnZC17 MfYRL2FDozSSKq5Y49Q1BG90ODHKo6gSUXkmsuEamMEhZExzeWQaSEtbC6sRy5UPDF+J iCiA== 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=QO2CiVXn54qdK6JpT9Xi21d4JFxOhnoogfe0Bp8gs1s=; b=FizjvLzaXHdI4asnfFV0swEV7sZjJ2aY4q1SCsvVXOJNfOuLo5Hkr9ONgpqrrDZhrV YuW8l5x3VBf66zakmwe3PyEJdwyVxDqCheBQeaQkleCdBZcdNIDbfUPrSSQfIBjvTVRi Vb6/Cwy39NG+k6O2b3aYfFaT9LqXTa+W2hAs8jxuBUzqfFdxaBfU2b6m6e+ZnmEfWrx6 DxB4IXAooY5loF5hkpTRjUBrZ/7P6QVXU3P0vlKsrs6Yv0qDZWS6/xm08V7f90sgHoLZ dpdzvi3Ajc9/KZ8c6hn79Jzb+6Fm6pzAPQ6PP2tUTzv7+DiokoXb0R6c2jsqx1YgN/db V5BA== X-Gm-Message-State: AA+aEWZTQ9oQRHpH6mJLRsEMkbVG2Pu9cUU8CTpBWOdDPhOLDImGROT8 WRfdCLoc1KajrxazDv4Gy8MSig== X-Google-Smtp-Source: AFSGD/Xh+MQqtMn+xjCexaKJEeju01hhwqeTomJu+MjxO6sCWUYq8+6at4SOap5sLxUky13s1BzCLQ== X-Received: by 2002:a24:c456:: with SMTP id v83mr5547007itf.44.1543598416107; Fri, 30 Nov 2018 09:20:16 -0800 (PST) Received: from [192.168.1.56] ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id r139sm2390555ior.53.2018.11.30.09.20.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Nov 2018 09:20:15 -0800 (PST) Subject: Re: [PATCH] block: fix single range discard merge To: Bart Van Assche , Ming Lei Cc: linux-block@vger.kernel.org, Guangwu Zhang , Christoph Hellwig , Jianchao Wang References: <20181130163818.6540-1-ming.lei@redhat.com> <1543598309.4347.5.camel@acm.org> From: Jens Axboe Message-ID: <9ebec24a-103c-2ea8-49e1-2f927eb8a4f8@kernel.dk> Date: Fri, 30 Nov 2018 10:20:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <1543598309.4347.5.camel@acm.org> Content-Type: text/plain; charset=UTF-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 11/30/18 10:18 AM, Bart Van Assche wrote: > On Sat, 2018-12-01 at 00:38 +0800, Ming Lei wrote: >> Fixes: 445251d0f4d329a ("blk-mq: fix discard merge with scheduler attached") > > Since this patch fixes a bug introduced in kernel v4.16, does it need > a "Cc: stable" tag? Like the other one, isn't stable implied with Fixes in there? You'd want a stable backport for any kernel that has that patchset. I think that's a stronger hint than stable cc. -- Jens Axboe