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[209.132.180.67]) by mx.google.com with ESMTP id cc17si20453722plb.265.2019.01.23.06.38.43; Wed, 23 Jan 2019 06:38:58 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=1BP6nq6w; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726976AbfAWOhe (ORCPT + 99 others); Wed, 23 Jan 2019 09:37:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:53344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726218AbfAWOhe (ORCPT ); Wed, 23 Jan 2019 09:37:34 -0500 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 116472085A; Wed, 23 Jan 2019 14:37:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548254253; bh=hcpv+fxe0oQ8iM8Kl4aiogpTMvxmAnW+WTp1TpW5C7w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1BP6nq6wMVtzuTuOW2e0zEWlhwJhwqSL5MrWc7Tmk/nRRCeoHyRWhE+gvwuolN0Lr pSSDCymnF6w6u1DL3F91MEfSIYNOwqclVW0qDmCX6S7y5wC81a9j2Ad4a5TfRMfK3f iXjAmjR1DwGoYyY1Jd7XWma+fk287IzlkJsot+cw= Date: Wed, 23 Jan 2019 09:37:32 -0500 From: Sasha Levin To: Hans van Kranenburg Cc: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , David Sterba , "linux-btrfs@vger.kernel.org" Subject: Re: [PATCH AUTOSEL 4.20 072/117] btrfs: alloc_chunk: fix more DUP stripe size handling Message-ID: <20190123143732.GL202535@sasha-vm> References: <20190108192628.121270-1-sashal@kernel.org> <20190108192628.121270-72-sashal@kernel.org> <783ccf1f-65df-d388-079c-9449d4319c27@mendix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <783ccf1f-65df-d388-079c-9449d4319c27@mendix.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 08, 2019 at 11:52:02PM +0000, Hans van Kranenburg wrote: >Hi Sasha, > >On 1/8/19 8:25 PM, Sasha Levin wrote: >> From: Hans van Kranenburg >> >> [ Upstream commit baf92114c7e6dd6124aa3d506e4bc4b694da3bc3 ] >> >> Commit 92e222df7b "btrfs: alloc_chunk: fix DUP stripe size handling" >> fixed calculating the stripe_size for a new DUP chunk. > >That one also ended up as: > >4.14-stable >0136bd7238b2cb8238426af4183ed0b02165c3f9 > >4.9-stable >8890bae03f4dba1c2292e5445682b556af4e8f1b > >4.4-stable >97c3e46ef53748278286fc09dcc30b138d6677c4 > >3.16.57-rc1 >f68f46284a199f6837c1d5b94a6ae979a2cc463c > >While hitting the failure condition without adding "crafting" steps to >make it exactly match the scenario is unlikely, it might be good if we >just go all the way back with this regression fix? What do you mean with "all the way back"? -- Thanks, Sasha