[PATCH] nvme-tcp: handle failing req immediately for REQ_FAILFAST_DRIVER

[Sagi Grimberg]

>>>>> I see there is a shutdown_timeout which is 5 seconds on default. Seems
>>>>> not to trigger though.
>>>>
>>>> Obviously, the shutdown_timeout is not connected to the register
>>>> writes. So we would need something like:
>>>
>>> Looking at this, its probably not what we want...
>>
>> I agree. We just have to make sure that we fail these register
>> read/writes on transport layer and don't requeue them.
>>
>>> I've inspected the code and I don't think that we should check
>>> the return code at all, we should simply fail the request. If
>>> the io_work context is running in parallel with the the error
>>> recovery handler we have a bug that we need to fix.
>>>
>>> How about this?
>>
>> Yes this would work fine for my case.
> 
> Do you want me to post this patch or are you going to post it?

Would like to get Anton's feedback on it, will ping him to reply
soon.