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=-3.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT 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 C1903C282C0 for ; Wed, 23 Jan 2019 14:37:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8725021850 for ; Wed, 23 Jan 2019 14:37:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548254254; bh=hcpv+fxe0oQ8iM8Kl4aiogpTMvxmAnW+WTp1TpW5C7w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Fls89uCTdK4LvDqUna8I9tZVjdPiDc7sDKBiQXHFxlxNu6s5IHkID31UXTQRTJKs/ Sjn1r4l9gmsaD0MrxZYdun4SXeFE12IMVsdhv7jMx0bZUUE037bzCfeCeuoMHrsHGs MQw76ZN2i4pHhTY6GR/YI3giJd+Py+3oeyRaDVOw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725995AbfAWOhe (ORCPT ); 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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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