[PATCH 18/18] nvmet-tcp: add configfs attribute 'param_keyring'

[Sagi Grimberg]

>>> Add a configfs attribute to list and change the default keyring.
>>
>> is the keyring an attribute of a port? or a subsystem? Why the choice
>> of making it per port?
>>
> As per discussion at fmds each port might want to use different 
> credentials.
> We can move it to subsystems if we decide we don't want to support that 
> use-case.

I think we should move it to the subsystem in Linux.