Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B6A1C636D3 for ; Wed, 1 Feb 2023 11:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232428AbjBALXF (ORCPT ); Wed, 1 Feb 2023 06:23:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229777AbjBALXA (ORCPT ); Wed, 1 Feb 2023 06:23:00 -0500 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D66B63C17; Wed, 1 Feb 2023 03:22:58 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4P6KK93K4kz4f3nTP; Wed, 1 Feb 2023 19:22:53 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.127.227]) by APP3 (Coremail) with SMTP id _Ch0CgDn4R+NS9pj_j45Cg--.57546S4; Wed, 01 Feb 2023 19:22:55 +0800 (CST) From: Ye Bin To: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Cc: linux-kernel@vger.kernel.org, jack@suse.cz, Ye Bin Subject: [PATCH 0/5] fix error flag covered by journal recovery Date: Wed, 1 Feb 2023 19:46:46 +0800 Message-Id: <20230201114651.4090446-1-yebin@huaweicloud.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: _Ch0CgDn4R+NS9pj_j45Cg--.57546S4 X-Coremail-Antispam: 1UD129KBjvJXoW7KFWruFy8Gr45XFWfZF1kKrg_yoW8WFyUp3 93u3sxKrWvvFyxtF93Aa1UJ345X34rCFy5WFnruw1xJw1Ykr17X3srtF4rJFWUKrWSqa1j qr18J345G3WUKrDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUgEb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4 vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7Cj xVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x 0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG 6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFV Cjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCj c4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4 CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1x MIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_WFyUJV Cq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIY CTnIWIevJa73UjIFyTuYvjxUrR6zUUUUU X-CM-SenderInfo: p1hex046kxt4xhlfz01xgou0bp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ye Bin When do fault injection test, got issue as follows: EXT4-fs (dm-5): warning: mounting fs with errors, running e2fsck is recommended EXT4-fs (dm-5): Errors on filesystem, clearing orphan list. EXT4-fs (dm-5): recovery complete EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: data_err=abort,errors=remount-ro EXT4-fs (dm-5): recovery complete EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: data_err=abort,errors=remount-ro Without do file system check, file system is clean when do second mount. Theoretically, the kernel will not clear fs error flag. In errors=remount-ro mode the last super block is commit directly. So super block in journal is not uptodate. When do jounral recovery, the uptodate super block will be covered by jounral data. If super block submit all failed after recover journal, then file system error flag is lost. When do "fsck -a" couldn't repair file system deeply. To solve above issue we need to do extra handle when do super block journal recovery. Ye Bin (5): jbd2: introduce callback for recovery journal ext4: introudce helper for jounral recover handle ext4: fix error flag covered by journal recovery ext4: fix super block checksum error ext4: make sure fs error flag setted before clear journal error fs/ext4/ext4_jbd2.c | 66 ++++++++++++++++++++++++++++++++++++++++++++ fs/ext4/ext4_jbd2.h | 2 ++ fs/ext4/super.c | 45 ++++++++++++++---------------- fs/jbd2/recovery.c | 14 ++++++++++ include/linux/jbd2.h | 11 ++++++++ 5 files changed, 114 insertions(+), 24 deletions(-) -- 2.31.1