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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D52F0C433FF for ; Wed, 7 Aug 2019 09:47:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4527222FC for ; Wed, 7 Aug 2019 09:47:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728036AbfHGJr3 (ORCPT ); Wed, 7 Aug 2019 05:47:29 -0400 Received: from mx2.suse.de ([195.135.220.15]:44850 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726612AbfHGJr2 (ORCPT ); Wed, 7 Aug 2019 05:47:28 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7F98EB0B6; Wed, 7 Aug 2019 09:47:27 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 4F512DA7D7; Wed, 7 Aug 2019 11:47:59 +0200 (CEST) Date: Wed, 7 Aug 2019 11:47:59 +0200 From: David Sterba To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Sterba , Filipe Manana , linux-btrfs@vger.kernel.org Subject: Re: [PATCH AUTOSEL 4.19 12/32] Btrfs: fix deadlock between fiemap and transaction commits Message-ID: <20190807094759.GQ28208@suse.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Sterba , Filipe Manana , linux-btrfs@vger.kernel.org References: <20190806213522.19859-1-sashal@kernel.org> <20190806213522.19859-12-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190806213522.19859-12-sashal@kernel.org> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Aug 06, 2019 at 05:35:00PM -0400, Sasha Levin wrote: > From: Filipe Manana > > [ Upstream commit a6d155d2e363f26290ffd50591169cb96c2a609e ] > > Fixes: 03628cdbc64db6 ("Btrfs: do not start a transaction during fiemap") The commit is a regression fix during the 5.2 cycle, how it could end up in a 4.19 stable candidate? $ git describe 03628cdbc64db6 v5.1-rc7-201-g03628cdbc64d $ git describe --contains 03628cdbc64db6 v5.2-rc1~163^2~26 And it does not belong to 5.2 either, git cherry-pick on top of 5.2 fails. I think such sanity check can be done automatically so the patches don't accidentally land in trees where don't belong.