[PATCH 05/50] debugfs: Dump inode checksum when appropriate
From: Darrick J. Wong <hidden>
Date: 2011-11-29 00:28:36
Subsystem:
the rest · Maintainer:
Linus Torvalds
Dump inode checksum when displaying inode info Signed-off-by: Darrick J. Wong <redacted> --- debugfs/debugfs.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 419c76c..1d2b2f3 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);