[ENBD] 2.5.46 update

[Peter T. Breuer]

"A month of sundays ago Tad Kollar wrote:"
> 4. In nbd_commit, gets down to:
> nbd_end_request_lock (req);
> 
> 5. And dies there. That's as deep as I've gone so far...

(repeat request for more elaborate description of "dies there"!
lockup or oops?)

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.

There are only trivial changes to kernel nbd in 2.5.47 too. 
(Pavel changes PARANOIA for BUG_ON, and switches to ansi 99 initializers
in structs .. probably he didn't do any of that himself. Looks like
generic kernel changes being applied globally by somebody).

Peter