> I did not version the following because I don't think that they are used
> outside the lfs cleaner/mount program, and since not many people use lfs,
> it is not that important to keep compatible (you can recompile your code):
> 	lfs_bmapv
> 	lfs_markv

changing bi_inode to uint32_t is too much work for you? :)

btw, please ensure to keep on-disk/on-wire structures.
eg. struct ifile, struce ufid.

YAMAMOTO Takashi