[ofa-general] Re: [RFC V4 PATCH 4/5] rdma/cma: implement RDMA_CM_EVENT_ADDR_CHANGE notification

[Or Gerlitz]

On Wed, 28 May 2008, Or Gerlitz wrote:
> RDMA_CM_EVENT_ADDR_CHANGE event can be used by rdma-cm consuamers that wish
> to have their RDMA sessions always use the same links (eg <hca/port>) as the
> IP stack does. In the current code, this does not happen when bonding is used
> and fail-over happened, but the IB link used by an already existing session is
> operating fine.
>
> Use netevent notification for sensing that a change has happened in the IP stack,
> then scan the rdma-cm IDs list to see if there is an ID that is "misaligned" in
> that respect with the IP stack, and deliver RDMA_CM_EVENT_ADDR_CHANGE for
> this ID. The user can act on the event or just ignore it
>
> Signed-off-by: Or Gerlitz <ogerlitz at voltaire.com>

Tom,

I'd like to patch the nfs/rdma kernel code at the way you'd like for this event.
Do you prefer the code to just ignore it or you want to reconnect when this happens?

Or.