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Groups > linux.kernel > #1422058

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

From "Steve Wise" <swise@opengridcomputing.com>
Newsgroups linux.kernel
Subject RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver
Date 2016-06-14 18:20 +0200
Message-ID <rJZeh-7cH-13@gated-at.bofh.it> (permalink)
References <rHafU-1OH-31@gated-at.bofh.it> <rHafU-1OH-37@gated-at.bofh.it> <rHnZv-2wN-5@gated-at.bofh.it> <rIhfj-4J5-7@gated-at.bofh.it>
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> 
> 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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Thread

RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver "Steve Wise" <swise@opengridcomputing.com> - 2016-06-14 18:20 +0200
  RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver "Steve Wise" <swise@opengridcomputing.com> - 2016-06-14 18:30 +0200
    Re: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target  driver Sagi Grimberg <sagigrim@gmail.com> - 2016-06-15 20:40 +0200
  RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target  driver "Hefty, Sean" <sean.hefty@intel.com> - 2016-06-14 18:50 +0200

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