[PATCH 3/4] nvme-fabrics: add tp8010 support

[Sagi Grimberg]

>>> You say that you don’t see any point to send an event on the
>>> disconnect because it is async.  I don’t quite understand that part.
>>> For example, I've observed that when connectivity is lost the kernel
>>> will try to connect every
>>> 10 sec. And it will keep trying to connect 60 times (i.e. 10 min)
>>> before giving up. Wouldn't sending an "offline" event when
>>> connectivity is lost give user space apps a heads up that the nvme device
>> may not respond.
>>
>> Why does userspace need it?
>>
>> When the host will disconnect it will send event asynchronously, so
>> userspace cannot reliably do anything before the host disconnects.
>> Other than that I don't understand what would userspace do with "offline -
>> I/O is going to fail"...
> 
> I was just asking for completeness. Some apps may use it.

I think we'd want a real use-case before decide we expose it.