From 6d0af0c85d2298cbb3acc8cfd860beb932623d23 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 30 Jul 2012 18:48:04 -0400 Subject: [PATCH] debugfs: dump inode checksum when appropriate Dump inode checksum when displaying inode info. Signed-off-by: Darrick J. Wong Signed-off-by: Theodore Ts'o --- debugfs/debugfs.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c index 6748edf..def771e 100644 --- a/debugfs/debugfs.c +++ b/debugfs/debugfs.c @@ -804,6 +804,19 @@ 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); -- 1.8.3.1