Re: WSL (windows subsystem on linux) users will need to turn fsync off as of 11.2

[Tom Lane]

Andres Freund <and...@anarazel.de> writes:
> I suspect that's because WSL has an empty implementation of
> sync_file_range(), i.e. it unconditionally returns ENOSYS. But as
> configure detects it, we still emit calls for it.  I guess we ought to
> except ENOSYS for the cases where we do panic-on-fsync-failure?

I'm of the opinion that we shouldn't be panicking for sync_file_range
failure, period.

                        regards, tom lane