DEVFS - Refactor the loop in disk_probe() to fix GPT partition #0 (s0).

[YONETANI Tomokazu]

On Sat, Aug 08, 2009 at 09:45:47AM -0700, Matthew Dillon wrote:
> commit 0831f2ab18813d5e0990e563e0edbb7335c66280
> Author: Matthew Dillon <dillon at apollo.backplane.com>
> Date:   Sat Aug 8 09:45:15 2009 -0700
> 
>     DEVFS - Refactor the loop in disk_probe() to fix GPT partition #0 (s0).
> 
> Summary of changes:
>  sys/kern/subr_disk.c |  120 +++++++++++++++++++++++--------------------------
>  1 files changed, 56 insertions(+), 64 deletions(-)
> 
> http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0831f2ab18813d5e0990e563e0edbb7335c66280

This is the first commit which broke probing of BSD partitions on slice 0,
so a standard vkernel setup as according to vkernel(7) won't boot anymore.
The lastest version I've tried was 1c0fe2ad042353c419ebe87bfcd7266612b25597,
and that one doesn't work, either.