'UnityDriver' object has no attribute 'accept_transfer'

[lucker6666]

on Mirantis 9.2 - Mitaka version, using unity driver met below error

<155>Apr 1 07:59:32 node-3 cinder-api: 2017-04-01 07:59:32.304 7413 ERROR cinder.api.middleware.fault [req-4db4e151-64fa-4cc9-954f-4b6a2612d89a 9d9c42986b7144cbb042e9485218c577 490892f61a00485e989e3b2e5ca96ab4 - - -] Caught error: <type 'exceptions.AttributeError'> 'UnityDriver' object has no attribute 'accept_transfer'

[peter-wangxu]

Unity needs to support accept_transfer by inheriting the driver.TransferVD from cinder

This feature is missed for Unity Kilo, Liberty, Mitaka, Newton.

[peter-wangxu]

@lucker6666 If you verified the fix, could you please provide the result here?

[lucker6666]

Verified, the issue was fixed.