Re: [PATCH 7/8] scsi: scsi-multipath: Issue a periodic TUR per path

[John Garry <john.g.garry@oracle.com>]

On 10/03/2026 13:34, Hannes Reinecke wrote:
>>       struct device        dev;
>>       int            index;
>> +    struct task_struct    *kua;
>>   };
>>   struct scsi_mpath_device {
> 
> Please, don't. We should _not_ go into the business of doing TUR path 
> checkers.
> Path checkers turned out to be a major issue for multipathing, and
> are mostly pointless for things like FC where you get reliable
> path information via RSCNs.
> Additionally I would advocate for scsi-multipath to be a _simple_
> implementation, restricting to the most common scenarios.

Sure,

> Namely
> implicit ALUA only and reliable fabric notifications.
> If you have anything else, fine, use dm-multipath.

ok, fine

I was just testing with linux target for this, which uses this in-band 
method AFAICS

Cheers