Bruce Momjian <bruce@momjian.us> writes:
>> FYI, I realize that one additional thing that has discouraged code
>> reorganization is the additional backpatch overhead. I think we now
>> need to accept that our reorganization-adverse approach might have cost
>> us some reliability, and that reorganization is going to add work to
>> backpatching.
> Actually, code reorganization in HEAD might cause backpatching to be
> more buggy, reducing reliability --- obviously we need to have a
> discussion about that.
Commit 6b700301c36e380eb4972ab72c0e914cae60f9fd is a recent real example.
Not that that should dissuade us from ever doing any reorganizations,
but it's foolish to discount back-patching costs.
regards, tom lane