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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 AB764C433E0 for ; Wed, 6 Jan 2021 11:39:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69B7223100 for ; Wed, 6 Jan 2021 11:39:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726389AbhAFLj0 (ORCPT ); Wed, 6 Jan 2021 06:39:26 -0500 Received: from mx2.suse.de ([195.135.220.15]:36360 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725828AbhAFLj0 (ORCPT ); Wed, 6 Jan 2021 06:39:26 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id DE279AE61; Wed, 6 Jan 2021 11:38:44 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 8352DDA6E9; Wed, 6 Jan 2021 12:36:55 +0100 (CET) Date: Wed, 6 Jan 2021 12:36:55 +0100 From: David Sterba To: Su Yue Cc: linux-btrfs@vger.kernel.org Subject: Re: [PATCH] btrfs-progs: print bytenr of child eb if mismatched level found in read_node_slot() Message-ID: <20210106113655.GQ6430@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Su Yue , linux-btrfs@vger.kernel.org References: <20210106103550.1145-1-l@damenly.su> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210106103550.1145-1-l@damenly.su> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Wed, Jan 06, 2021 at 06:35:50PM +0800, Su Yue wrote: > If btrfs check reported like "ERROR: child eb corrupted: parent bytenr > =178081 item=246 parent level=1 child level=2". It's hard to find > which eb is corrupted without bytenr in dump tree information: > =================================================================== > node 178081 level 1 items 424 free 69 generation 44495 owner EXTENT_TREE > fs uuid 7d9dbe1b-dea6-4141-807b-026325123ad8 > chunk uuid 97a3e3aa-7105-4101-aaf7-50204a240e69 > key (16613126144 EXTENT_ITEM 4096) block 177939087360 gen 44433 > key (16632803328 EXTENT_ITEM 4096) block 177939120128 gen 44433 > key (16654548992 EXTENT_ITEM 8192) block 177970380800 gen 44336 > key (16697884672 EXTENT_ITEM 8192) block 177970397184 gen 44336 > key (16714223616 EXTENT_ITEM 16384) block 177970413568 gen 44336 > key (16721760256 EXTENT_ITEM 16384) block 177943855104 gen 44436 > key (16857755648 EXTENT_ITEM 4096) block 177857544192 gen 44416 > ... > > =================================================================== > > For easier lookup, print bytenr of child eb if its level is not equal > to parent's level - 1 in read_node_slot(). > > Signed-off-by: Su Yue Added to devel, thanks.