From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754389AbaKXSBV (ORCPT ); Mon, 24 Nov 2014 13:01:21 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:64210 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751530AbaKXSBT (ORCPT ); Mon, 24 Nov 2014 13:01:19 -0500 Date: Mon, 24 Nov 2014 13:01:10 -0500 From: Chris Mason Subject: Re: [GIT PULL] Btrfs deadlock fix To: CC: , , Message-ID: <1416852070.3019.5@mail.thefacebook.com> In-Reply-To: <20141124173909.GC26471@twin.jikos.cz> References: <20141123151439.GA16816@ret.masoncoding.com> <20141124173909.GC26471@twin.jikos.cz> X-Mailer: geary/0.8.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed X-Originating-IP: [192.168.16.4] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.28,0.0.0000 definitions=2014-11-24_02:2014-11-24,2014-11-24,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 kscore.is_bulkscore=0 kscore.compositescore=0 circleOfTrustscore=3.73027290173794 compositescore=0.939076664828693 urlsuspect_oldscore=0.939076664828693 suspectscore=1 recipient_domain_to_sender_totalscore=0 phishscore=0 bulkscore=0 kscore.is_spamscore=0 recipient_to_sender_totalscore=0 recipient_domain_to_sender_domain_totalscore=62764 rbsscore=0.939076664828693 spamscore=0 recipient_to_sender_domain_totalscore=0 urlsuspectscore=0.9 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1402240000 definitions=main-1411240139 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 24, 2014 at 12:39 PM, David Sterba wrote: > Hi Chris, > > I thought the fix for the scrub/replace deadlock would be included in > this pull, I can reproduce it on each run of xfstests with 3.18-rc. > > btrfs: fix dead lock while running replace and defrag concurrently > https://patchwork.kernel.org/patch/5264531/ > > I've retested it again including this pull and still deadlocks > reliably > at btrfs/070. This wasn't a new problem, so I had it queued for the merge window. -chris