Received: by 2002:a05:6a10:af89:0:0:0:0 with SMTP id iu9csp1364347pxb; Fri, 21 Jan 2022 16:36:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJw6VkyXiM3PMFd70xGMCySfNvyDA996/yZ0PgpB9nLvv3VZQdYDi5h5KLxaXZEOJTGWNOR8 X-Received: by 2002:a17:90a:d591:: with SMTP id v17mr3066847pju.135.1642811760150; Fri, 21 Jan 2022 16:36:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1642811760; cv=none; d=google.com; s=arc-20160816; b=FrrRNENRmaxKqpOTmNKV5/3CCwVplFYr/QW5Zqc0ejdbEpWPGHtJlDHJi3wDFiepgS WWCVdJKOeNC/o57hIxc43ko/gC4chCNmsikrSywOl6QWjQ3BN9NMVe4YRA+VplTMiV84 vsz0y/gnAyOHxaO3ypAUK7LtAplt5itmxMzG/8QGwssDmk6cdYqkGlVj1p9zWfNVgnPu +PqdYHTduPlXW/atP+2gycdUBaF9XfwVqiPuU7A6VKUcr5u849mlYV97w9cF3Zh2JccT QMgrHOC8s0SCfZHH+UjHEkZnLgNMfsInVM+tEd0Q/0RzjhuXiO8L++Mo/nKqXJf0DLRk spqw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=ifheS3yvF7TBKO97LeaY0kqJDLSU7RfmXz6NQZ1wddw=; b=08gHV2yYOOJorJm+tJOH/gKaL+K6jlOD/ns656sObMRhe6NcbDbnKZFgzpFke+fz4X 30yYv6yJCLnwJyojWmcXtf8qzbJGxuVFXuWoH3m2vlr/iwSIB7CJHskKsPNJ4qmwGSgW 5Zs13Um7rOPE6kXJCPQ+F3oP0VQRH1ZjlYH+OQQHo5oeDRpp6NatqGxYiiEpRGp52/kH qUbeaGgd21jdpntwd00aDT/cNbq4IwPwQtos+8N+kvszheEr9lhMHNgM/YyPi+ztLc3L MSEG2BleIjs4oEqteW321PvVOfVMFOf5Zk6IxU0OiISuRdlQcPXqFtehJE/vWDO9D5// skJg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h4si7737583pgc.795.2022.01.21.16.35.47; Fri, 21 Jan 2022 16:36:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378849AbiAUHML (ORCPT + 99 others); Fri, 21 Jan 2022 02:12:11 -0500 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]:59418 "EHLO out30-43.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348854AbiAUHMI (ORCPT ); Fri, 21 Jan 2022 02:12:08 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04357;MF=joseph.qi@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0V2PmKif_1642749125; Received: from localhost(mailfrom:joseph.qi@linux.alibaba.com fp:SMTPD_---0V2PmKif_1642749125) by smtp.aliyun-inc.com(127.0.0.1); Fri, 21 Jan 2022 15:12:06 +0800 From: Joseph Qi To: akpm@linux-foundation.org, tytso@mit.edu, adilger.kernel@dilger.ca Cc: gautham.ananthakrishna@oracle.com, ocfs2-devel@oss.oracle.com, linux-ext4@vger.kernel.org Subject: [PATCH 0/2] ocfs2: fix a deadlock case Date: Fri, 21 Jan 2022 15:12:03 +0800 Message-Id: <20220121071205.100648-1-joseph.qi@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.6.gb485710b MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org This is trying to fix a deadlock case in ocfs2. We firstly export jbd2 symbols jbd2_journal_[grab|put]_journal_head as preparation and later use them in ocfs2 insread of jbd_[lock|unlock]_bh_journal_head to fix the deadlock. Joseph Qi (2): jbd2: export jbd2_journal_[grab|put]_journal_head ocfs2: fix a deadlock when commit trans fs/jbd2/journal.c | 2 ++ fs/ocfs2/suballoc.c | 25 +++++++++++-------------- 2 files changed, 13 insertions(+), 14 deletions(-) -- 2.19.1.6.gb485710b