CAM rescanner thread?

[mjacob at freebsd.org]

>> 
>> Ok, I see what you're saying.  What I think needs to ultimately happen is 
>> for the entire probe code to go into a thread.  I've tried this a
>> couple of times, but have been caught up in trying to separate out the
>> SPI and non-SPI bits of it.  Your patch is looks to be a good start at
>> the more simple approach.
>> 
>> Scott
>> 
>
> Oh, one more thing.  Instead of it being a new XPT API function, could it be 
> an async op with an appropriate handler in the XPT?  Heck, maybe
> this is exactly how you 'fix' AC_FOUND_DEVICE to DTRT.

Yes. *blush*. You're right that this would be a better idea :-). Thanks.

-matt