> The other thing is, that Linux is the only known system that does
> asynchronous rename/link/unlink/symlink -- people have claimed it might
> not be the only one, but failed to name systems.
>
> So we need to assume that Linux is the only system that does
> asynchronous rename/link/unlink/symlink, however a directory fsync() is
> believed to be rather expensive.
if the prime directive of MTAs is data integrity paranoia, then
surely the best assumption for an MTA to make is that
rename/link/unlink/symlink /are/ asynchronous in the general case?
regards,
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