[ENBD] 2.5.46 update

[Peter T. Breuer]

"A month of sundays ago Tad Kollar wrote:"
> > Can you maybe tell me if the kernel nbd works in 2.5.46? I see no
> > changes to it since 2.5.44. And enbd is more or less doing the same
> > thing in end_request as is kernel nbd.
> 
> The kernel nbd module loads and the client completes and reports the correct 
> size, but that's as far as it goes. I get a lot of these when trying to access 
> the nbd device in any way:
> 
> generic_make_request: Trying to access nonexistent block-device nbd(43,0) (64)
> Buffer I/O error on device nbd(43,0), logical block 64

This is higher up in the kernel. Registration failed in some way. Or
maybe he didn't do that reserve_region thing to claim some majors and
minors.

Peter