[PATCH] pread/pwrite fix for s390-64.

[Martin Schwidefsky]

> > Without the special version for pwrite64 I get an undefined reference
> > to '__GI___pwrite64'. The alias for pwrite64 in syscalls.list doesn't
> > seem to create an alias for __GI__pwrite64. This is the immediate
> > problem I am facing.
>
> That should not be happening.  It should produce a weak_alias and
> libc_hidden_weak for each of those names.

It does happen for s390-64. But this is a problem for itself. The pread/pwrite
problem for s390-64 will not be solved by it. The pread/pwrite functions can't
stay as direct system calls because the cancellation would be missing. The
patch for s390-64 is still valid.

blue skies,
   Martin