Add TODO for returning a 202 from the volume attach API
Add TODO for returning a 202 from the volume attach API

Attaching a volume is an RPC cast from the API node to the
compute node, so we should return a 202 instead of a 200
in the response. Making that change would break Tempest though
which expects a 200 response code, and we have several other
APIs with similar response code issues:

http://paste.openstack.org/show/590154/

So this just adds a TODO for the same bucket of issues which
we'll probably need to handle in a single microversion.

Change-Id: I0bee2ea8681cc001dd490607213bc987ec70301f

mahak/nova,mahak/nova,vmturbo/nova,klmitch/nova,rajalokan/nova,gooddata/openstack-nova,rajalokan/nova,klmitch/nova,vmturbo/nova,Juniper/nova,klmitch/nova,phenoxim/nova,klmitch/nova,phenoxim/nova,rahulunair/nova,openstack/nova,gooddata/openstack-nova,jianghuaw/nova,jianghuaw/nova,gooddata/openstack-nova,rajalokan/nova,vmturbo/nova,Juniper/nova,mikalstill/nova,rahulunair/nova,mikalstill/nova,hanlind/nova,rahulunair/nova,openstack/nova,Juniper/nova,rajalokan/nova,jianghuaw/nova,mahak/nova,gooddata/openstack-nova,openstack/nova,mikalstill/nova,Juniper/nova,hanlind/nova,vmturbo/nova,hanlind/nova,jianghuaw/nova