Re: [PATCH] cache-tree: invalidate i-t-a paths after writing trees

>> An alternative might be to add a "phoney" bit next to "used" in the
>> cache_tree structure, mark the cache tree as phoney when we skip an
>> entry marked as CE_REMOVE or CE_ITA, and make the postprocessing
>> loop this patch adds aware of that bit, instead of iterating over
>> the index entries; instead, it would recurse the resulting cache
>> tree and invalidate parts of the tree that have subtrees with the
>> "phoney" bit set, or something.
>
> Yeah, that sounds better.