glibc-rtkaio.patch

[Roland McGrath]

> I just updated my fedora glibc package repo and noticed that it updated
> this oldish patch. Isn't this something that we should include in glibc
> proper finally? Or is it too ugly ;) ?

My vague recollection was that this changed the semantics of aio calls in
some fashion that was dubiously kosher.  Jakub might be the only person who
actually remembers the details.