[dm-devel] [PATCH] multipath: Evaluate request result and sense code

[Mike Christie]

Hannes Reinecke wrote:
> Mike Christie wrote:
>> Hannes Reinecke wrote:
>>> As we now see the result for every command we
>>> can use it to make some more elaborate choices
>>> if we should retry the request on another path.
>>>
>>> This solves a potential data corruption when
>>> a request is being terminated with RESERVATION
>>> CONFLICT and queue_if_no_path is active; the
>>> request will be queued until the reservation
>>> status changes and then transmitted.
>>
>> I had the same bz. To handle it I just converted the error to some other
>> -EXYZ value. But like I said in my patch that I sent to the list I did
>> not like it much.
>>
> Yeah, that was my thought, too.
> The scsi result codes simply don't fit on the -EXXX values.
> 

What about replaceing -EXXX errors with some new BLKERR values?

Send some comments on the patch in the other mail.