On Fri, 2015-03-27 at 16:47 +0100, Michael Wang wrote: > Introduce helper has_iwarp() to help us check if an IB device > support IWARP protocol.
This is a needless redirection. Just stick with the original
rdma_transport_is_iwarp().
> Cc: Jason Gunthorpe <jguntho...@obsidianresearch.com>
> Cc: Doug Ledford <dledf...@redhat.com>
> Cc: Ira Weiny <ira.we...@intel.com>
> Cc: Sean Hefty <sean.he...@intel.com>
> Signed-off-by: Michael Wang <yun.w...@profitbricks.com>
> ---
> include/rdma/ib_verbs.h | 13 +++++++++++++
> net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 2 +-
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index e796104..0ef9cd7 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -1836,6 +1836,19 @@ static inline int has_mcast(struct ib_device *device)
> }
>
> /**
> + * has_iwarp - Check if a device support IWARP protocol.
> + *
> + * @device: Device to be checked
> + *
> + * Return 0 when a device has none port to support
> + * IWARP protocol.
> + */
> +static inline int has_iwarp(struct ib_device *device)
> +{
> + return rdma_transport_is_iwarp(device);
> +}
> +
> +/**
> * cap_smi - Check if the port of device has the capability
> * Subnet Management Interface.
> *
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> index a7b5891..48aeb5e 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> @@ -118,7 +118,7 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
>
> static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
> {
> - if (rdma_transport_is_iwarp(xprt->sc_cm_id->device))
> + if (has_iwarp(xprt->sc_cm_id->device))
> return 1;
> else
> return min_t(int, sge_count, xprt->sc_max_sge);
--
Doug Ledford <dledf...@redhat.com>
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