Looks good IMO -- thanks, James.

There is one minor issue in the ext[23]_xattr_list changes: The xattr
block gets inserted into the cache even if it later turns out to be
corrupted. The attached patch reintroduces the sanity check, and has a
few other cosmetical-only changes.

Andrew, do you want to add this to -mm?

Cheers,
-- 
Andreas Gruenbacher <agruen@suse.de>
SUSE Labs, SUSE LINUX AG