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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1339FC678D4 for ; Thu, 19 Jan 2023 05:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229724AbjASFH4 (ORCPT ); Thu, 19 Jan 2023 00:07:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229784AbjASFG5 (ORCPT ); Thu, 19 Jan 2023 00:06:57 -0500 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1748C3D93F for ; Wed, 18 Jan 2023 21:01:36 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4Ny7pD59jSz4f407k for ; Thu, 19 Jan 2023 11:46:12 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.170]) by APP4 (Coremail) with SMTP id gCh0CgCnD7P4vMhj97D1Bw--.22527S4; Thu, 19 Jan 2023 11:46:15 +0800 (CST) From: Zhang Yi To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, yi.zhang@huawei.com, yi.zhang@huaweicloud.com, yukuai3@huawei.com Subject: [RFC PATCH 0/2] ext4, jbd2: journal cycled record transactions Date: Thu, 19 Jan 2023 11:45:58 +0800 Message-Id: <20230119034600.3431194-1-yi.zhang@huaweicloud.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: gCh0CgCnD7P4vMhj97D1Bw--.22527S4 X-Coremail-Antispam: 1UD129KBjvdXoW7Xr4rtrWrAw4UWr1DAF4kCrg_yoWDWrc_Za yvqr93GwsxZF42yaySkF1jgryDKw4xZr10vas5try0g34Utrs8JF4DJF17Zr9xWFZakr45 Jr18Kw1ktrn7XjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbwAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r106r15McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI7VAKI48J MxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4 v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E 14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUHnQUUUUUU= X-CM-SenderInfo: d1lo6xhdqjqx5xdzvxpfor3voofrz/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Zhang Yi Hello, This patch set introduce a new mount option names journal_cycle_record, it save journal head for a clean unmounted file system, let ext4 continue/cycled record new journal transactions after previous mount or recovered transactions for unclean file system. It could give us more info when analysing a corrupted file system image and locate kernel consistency bugs more conveniently. This is just the kernel part and have already passed throuth xfstests in auto mode. I will continue the e2fsprogs' part if nobody strong dislike that. Any comments are welcome. Thanks, Yi. Zhang Yi (2): jbd2: cycled record log on clean journal logging area ext4: add journal cycled recording support fs/ext4/ext4.h | 2 ++ fs/ext4/super.c | 17 +++++++++++++++++ fs/jbd2/journal.c | 18 ++++++++++++++++-- fs/jbd2/recovery.c | 22 +++++++++++++++++----- include/linux/jbd2.h | 9 +++++++-- 5 files changed, 59 insertions(+), 9 deletions(-) -- 2.31.1