[PATCH 6/8] scsi: scsi-multipath: Maintain sdev->access_state

[John Garry]

On 10/03/2026 13:27, Hannes Reinecke wrote:
>> However, preferred_path is still not maintained as that that is related
>> to transitioning  state and we do not yet support that (for SCSI
>> multipath).
>>
> There is an issue with the preferred path in general, namely that it 
> overlays the ALUA states (ie you can have 'acive/non-optimized' _and_
> the preferred path bit set). So it only makes sense for explicit ALUA
> as then the preferred path bit gives us an indicator that we might /
> should switch paths.
> 
> If we restrict ourselves to implicit ALUA (which I'm advocating anyway
> for scsi-multipath) the preferred path becomes rather pointless as
> we cannot influence path selection at all.

ok, fine, I won't touch for native scsi multipath.

Thanks