Nitin Jadhav <nitinjadhavpostgres@gmail.com> writes:
> I noticed that the corruption issue related to two hardlinks pointing
> to the same WAL file has been fixed in the master branch up to version
> 16 in commit [1]. As a result, the function durable_rename_excl()
> became unused and was removed in commit [2]. Since this corruption
> issue is occurring in older versions, commit [1] has been backported
> for versions 13 to 15 in commit [3]. However, I don't see the
> backporting for commit [2]. Is there a specific reason for this?
Fear of breaking extensions that use the function, perhaps?
We don't like to break ABI in minor releases.
regards, tom lane
