Re: Do we still need the scsi IPR driver ?

Damien Le Moal
2022-10-05T21:21:42Z

On 10/6/22 02:20, Brian King wrote:
> On 9/20/22 8:07 AM, John Garry wrote:
>> On 21/06/2022 23:12, Damien Le Moal wrote:
>>>>> We still need it around for now. IBM still sells these adapters
>>>>> and they can still be ordered even on our latest Power 10 systems.
>>>> At one point I did look into modifying ipr to use an ->error_handler.
>>>> I recall I ran into some issues that resulted in this getting put
>>>> on the shelf, but its been a while. I'll go dig that code up and
>>>> see what it looks like.
>>> Thanks. It would be really great if you can convert to using
>>> error_handler. This is really the last ata/libsas driver that does not use
>>> this.
>>>
>>
>> Hi Brian,
>>
>> I am wondering if there is any update here?
>>
>> As you may have seen in [0], I think that we need to make progress on this topic first to keep the solution there a bit simpler.
>>
>> [0] https://lore.kernel.org/linux-scsi/1663669630-21333-1-git-send-email-john.garry@huawei.com/T/#mf890cb4f1627112652831524dca62cbde4a0a637
>
> I've made some progress. I was able to dig up the code to move ipr to use error_handler
> and have gotten it to compile, but haven't gotten to trying it in the lab yet.

Great ! Thanks for doing that.

>
> -Brian
>
>

--
Damien Le Moal
Western Digital Research