> In this case passing an open file won't help, as it is the directory
> entry (ie the name) that has to be removed, not the open file.

Passing an open file will indeed help, provided it's done right: pass a
fd on the directory along with the name.  Then rm can fchdir() to the
directory and unlink() the name, safely.

> I think this means that there is always a race between any stat of
> the name and an attempt to unlink it.

Yes, there is a race in that the name may no longer refer to what it
used to.  That doesn't matter for the purposes -delete was added for.
And passing an fd on the directory plus the name is precisely as good
as -delete for this....

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