On Fri, Mar 8, 2024 at 6:53 AM Robert Haas <robertmh...@gmail.com> wrote: > ... We could > avoid transposing relative block numbers to absolute block numbers > whenever start_blkno is 0, ...
Could we just write the blocks directly into the output array, and then transpose them directly in place if start_blkno > 0? See attached. I may be missing something, but the only downside I can think of is that the output array is still clobbered even if we decide to return BACK_UP_FILE_FULLY because of the 90% rule, but that just requires a warning in the comment at the top.
v2-0001-Fix-potential-stack-overflow-in-incremental-baseb.patch
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