Re: Troubles with updating Debian Hurd

[Sergey Bugaev <bugaevc@gmail.com>]

On Fri, Oct 8, 2021 at 8:49 PM Samuel Thibault <sthibault@debian.org> wrote:
> That's the "Extend `device_read`/`device_write` into supporting > 2TiB
> disk sizes." item in the "small hack entries" list. There's indeed the
> device_get_status() call that needs fixing, but device_read/write as
> well, they need to be extended to 64bit record numbers.

Right. But 2 GB for a subhurd is a much more severe limitation than 2 TB.

I wonder if it'd be possible to change device_{read,write} to use a
64-bit integer without introducing separate new RPCs, and
convince/extend MIG to also accept messages with 32-bit ints for
compatibility.

Sergey