From patchwork Tue Mar 6 23:57:59 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [06/54] debugfs: Dump inode checksum when appropriate From: "Darrick J. Wong" X-Patchwork-Id: 145064 Message-Id: <20120306235759.11945.27837.stgit@elm3b70.beaverton.ibm.com> To: Andreas Dilger , Theodore Tso , "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 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);