> Just adding a “sleep” is no proper fix anyway, so the question
> is, how to wait in a shell script until the swap device is
> *really* swapoff’d when the syscall returns too early, and
> (someone from the Linux kernel maintainers reading this?) should
> I report the latter as a bug against the kernel?
I'd file a bug report against the `mount` package (the one that
provides `swapoff`).
Stefan