ext2's inode i_version gone, what now? (stable branch)

[Andreas Schuldei <andreas@schuldei.org>]

I try to use the Steganographic filesystem stegfs on top of a 2.2.18 kernel,
while the stegfs patch was against 2.2.14. The patch applied allmost clean,
but that was easy to fix. 

However a real problem (for me) is that the author (whom I can not reach by
email) build stegfs on top of the ext2 filesystem. There he uses ext2's inode
structure and at some places reads/writes from ext2 inode's i_version.
However, this is not there in ext2_fs_i.h. But I am working with source for
2.2.18 and a lot could have happend since 2.2.14. I would not have expected
the inode struct to change, though.

Why was it taken away? How is compatibility maintained? What could I use 
instead to fix the problem?

Anyone who is interested in this:
http://ban.joh.cam.ac.uk/~adm36/StegFS/download.html

the error happens at 
make[3]: Entering directory `/usr/src/linux/fs/stegfs'
cc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -pipe -fno-strength-reduce -m486 -malign-loops=2 -malign-jumps=2 -malign-functions=2 -DCPU=686   -c -o inode.o inode.c
inode.c: In function `stegfs_read_inode':
inode.c:1376: structure has no member named `i_version'
inode.c: In function `stegfs_update_inode':
inode.c:1785: structure has no member named `i_version'

please cc me, I am not on this list.

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