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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 9B839C433FF for ; Mon, 12 Aug 2019 06:19:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 727D42087B for ; Mon, 12 Aug 2019 06:19:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726955AbfHLGTU (ORCPT ); Mon, 12 Aug 2019 02:19:20 -0400 Received: from mx2.suse.de ([195.135.220.15]:50302 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726452AbfHLGTU (ORCPT ); Mon, 12 Aug 2019 02:19:20 -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 5DDF6AC63 for ; Mon, 12 Aug 2019 06:19:19 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 0/3] btrfs-progs: Check and repair invalid root item generation Date: Mon, 12 Aug 2019 14:19:05 +0800 Message-Id: <20190812061908.21002-1-wqu@suse.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Kernel is going to reject invalid root generation. Consider the existing checks are causing some error reports, we should handle such problem in advance, so that's the patchset is going to do, check and repair such invalid root generation. Changelog: v2: - Use existing recow_extent_buffer() to do the repair Qu Wenruo (3): btrfs-progs: check/lowmem: Check and repair root generation btrfs-progs: check/original: Check and repair root item geneartion btrfs-progs: fsck-tests: Add test case for invalid root generation check/main.c | 57 +++++++----------- check/mode-common.c | 36 +++++++++++ check/mode-common.h | 1 + check/mode-lowmem.c | 17 ++++++ check/mode-lowmem.h | 1 + .../default_case.img | Bin 0 -> 3072 bytes 6 files changed, 76 insertions(+), 36 deletions(-) create mode 100644 tests/fsck-tests/041-invalid-root-generation/default_case.img -- 2.22.0