From patchwork Tue Mar 6 23:57:59 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 145064 X-Patchwork-Delegate: tytso@mit.edu Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id C05E1B6F9D for ; Wed, 7 Mar 2012 10:58:14 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932711Ab2CFX6J (ORCPT ); Tue, 6 Mar 2012 18:58:09 -0500 Received: from e37.co.us.ibm.com ([32.97.110.158]:55977 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932721Ab2CFX6I (ORCPT ); Tue, 6 Mar 2012 18:58:08 -0500 Received: from /spool/local by e37.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 6 Mar 2012 16:58:08 -0700 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e37.co.us.ibm.com (192.168.1.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 6 Mar 2012 16:58:06 -0700 Received: from d03relay05.boulder.ibm.com (d03relay05.boulder.ibm.com [9.17.195.107]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id B4971C40001 for ; Tue, 6 Mar 2012 16:58:05 -0700 (MST) Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d03relay05.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q26Nw5pj266256 for ; Tue, 6 Mar 2012 16:58:05 -0700 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q26Nw3Rr011670 for ; Tue, 6 Mar 2012 16:58:05 -0700 Received: from elm3b70.beaverton.ibm.com (elm3b70.beaverton.ibm.com [9.47.67.70]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q26Nw2xS011618; Tue, 6 Mar 2012 16:58:02 -0700 Subject: [PATCH 06/54] debugfs: Dump inode checksum when appropriate To: Andreas Dilger , Theodore Tso , "Darrick J. Wong" From: "Darrick J. Wong" Cc: Sunil Mushran , Amir Goldstein , Andi Kleen , Mingming Cao , Joel Becker , linux-ext4@vger.kernel.org, Coly Li Date: Tue, 06 Mar 2012 15:57:59 -0800 Message-ID: <20120306235759.11945.27837.stgit@elm3b70.beaverton.ibm.com> In-Reply-To: <20120306235720.11945.30629.stgit@elm3b70.beaverton.ibm.com> References: <20120306235720.11945.30629.stgit@elm3b70.beaverton.ibm.com> User-Agent: StGit/0.15 MIME-Version: 1.0 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12030623-7408-0000-0000-000003420195 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Dump inode checksum when displaying inode info Signed-off-by: Darrick J. Wong --- debugfs/debugfs.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c index 4ff23ef..36dd730 100644 --- a/debugfs/debugfs.c +++ b/debugfs/debugfs.c @@ -803,6 +803,19 @@ void internal_dump_inode(FILE *out, const char *prefix, if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE) internal_dump_inode_extra(out, prefix, inode_num, (struct ext2_inode_large *) inode); + if (current_fs->super->s_creator_os == EXT2_OS_LINUX && + current_fs->super->s_feature_ro_compat & + EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) { + __u32 crc = inode->i_checksum_lo; + if (is_large_inode && + large_inode->i_extra_isize >= + (offsetof(struct ext2_inode_large, + i_checksum_hi) - + EXT2_GOOD_OLD_INODE_SIZE)) + crc |= ((__u32)large_inode->i_checksum_hi) << 16; + fprintf(out, "Inode checksum: 0x%08x\n", crc); + } + if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0) fprintf(out, "%sFast_link_dest: %.*s\n", prefix, (int) inode->i_size, (char *)inode->i_block);