On 05/29/2014 05:06 PM, Jens Axboe wrote:
> Ah I see, yes that code apparently got axed. The attached patch brings
> it back. Totally untested, I'll try and synthetically hit it to ensure
> that it does work. Note that it currently does unmap and iod free, so
> the request comes back pristine. We could preserve that if we really
> wanted to, I'm guessing it's not a big deal.

And another totally untested patch that retains the iod and dma mapping
on the requeue event. Again, probably not a big deal, I'm assuming these
happen rarely, but it's simple enough to do.

-- 
Jens Axboe