[PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver

Steve Wise swise at opengridcomputing.com
Tue Jun 14 09:10:34 PDT 2016


> 
> The above nvmet cm event handler, nvmet_rdma_cm_handler(), calls
> nvmet_rdma_queue_connect() for CONNECT_REQUEST events, which calls
> nvmet_rdma_alloc_queue (), which, if it encounters a failure (like creating
> the qp), calls nvmet_rdma_cm_reject () which calls rdma_reject().  The
> non-zero error, however, gets returned back here and this function returns
> the error to the RDMA_CM which will also reject the connection as well as
> destroy the cm_id.  So there are two rejects happening, I think.  Either
> nvmet should reject and destroy the cm_id, or it should do neither and
> return non-zero to the RDMA_CM to reject/destroy.
> 
> Steve.
> 

Hey Sean, 

Am I correct here?  IE: Is it ok for the rdma application to rdma_reject() and
rmda_destroy_id() the CONNECT_REQUEST cm_id _inside_ its event handler as long
as it returns 0? 

Thanks,

Steve.




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