> There is space for one more pointer without increasing the union size due to
> tr_b's three pointers, but I'm not convinced the information you need isn't
> already available through a different method. The combined_tree_state in
> tr_c, for example, keeps track of directory pointers, for example.
But tr_c is for OP_REGION. I cannot find this op in a comb tree...
> Moreover stashing a dbip into every union tree node just seems wrong.. it'd
> be the same pointer on every node. It'd seem more feasible to change tl_name
> to something else (like a directory pointer), but would have to look at all
> the places it's used. I see you've kept the dbip argument to your callback,
> so perhaps moot for now.
You said that the solids in a tree can be from different db_i before? If it's
the case, keep a dbip in every leaf would be correct... Changing tl_name would
result in lots of changes to the existed code. Without any better ideas, I have
to keep the dbip argument to the callback..
Cheers!
Wu
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