On Aug 24, 2015, at 11:58 AM, Sagi Grimberg <sagig@xxxxxxxxxxxx> wrote:
> No one is calling svc_rdma_fastreg. remove it.
>
> Signed-off-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
There's already a patch to remove svc_rdma_fastreg() queued
for 4.3 through Bruce's tree.
> ---
> include/linux/sunrpc/svc_rdma.h | 1 -
> net/sunrpc/xprtrdma/svc_rdma_transport.c | 34 ------------------------------
> 2 files changed, 0 insertions(+), 35 deletions(-)
>
> diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
> index cb94ee4..fa5b5eb 100644
> --- a/include/linux/sunrpc/svc_rdma.h
> +++ b/include/linux/sunrpc/svc_rdma.h
> @@ -225,7 +225,6 @@ extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int);
> extern void svc_rdma_unmap_dma(struct svc_rdma_op_ctxt *ctxt);
> extern struct svc_rdma_req_map *svc_rdma_get_req_map(void);
> extern void svc_rdma_put_req_map(struct svc_rdma_req_map *);
> -extern int svc_rdma_fastreg(struct svcxprt_rdma *, struct svc_rdma_fastreg_mr *);
> extern struct svc_rdma_fastreg_mr *svc_rdma_get_frmr(struct svcxprt_rdma *);
> extern void svc_rdma_put_frmr(struct svcxprt_rdma *,
> struct svc_rdma_fastreg_mr *);
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> index a0aa2d7..0e010fe 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> @@ -1201,40 +1201,6 @@ static int svc_rdma_secure_port(struct svc_rqst *rqstp)
> return 1;
> }
>
> -/*
> - * Attempt to register the kvec representing the RPC memory with the
> - * device.
> - *
> - * Returns:
> - * NULL : The device does not support fastreg or there were no more
> - * fastreg mr.
> - * frmr : The kvec register request was successfully posted.
> - * <0 : An error was encountered attempting to register the kvec.
> - */
> -int svc_rdma_fastreg(struct svcxprt_rdma *xprt,
> - struct svc_rdma_fastreg_mr *frmr)
> -{
> - struct ib_fast_reg_wr fastreg_wr;
> - u8 key;
> -
> - /* Bump the key */
> - key = (u8)(frmr->mr->lkey & 0x000000FF);
> - ib_update_fast_reg_key(frmr->mr, ++key);
> -
> - /* Prepare FASTREG WR */
> - memset(&fastreg_wr, 0, sizeof fastreg_wr);
> - fastreg_wr.wr.opcode = IB_WR_FAST_REG_MR;
> - fastreg_wr.wr.send_flags = IB_SEND_SIGNALED;
> - fastreg_wr.iova_start = (unsigned long)frmr->kva;
> - fastreg_wr.page_list = frmr->page_list;
> - fastreg_wr.page_list_len = frmr->page_list_len;
> - fastreg_wr.page_shift = PAGE_SHIFT;
> - fastreg_wr.length = frmr->map_len;
> - fastreg_wr.access_flags = frmr->access_flags;
> - fastreg_wr.rkey = frmr->mr->lkey;
> - return svc_rdma_send(xprt, &fastreg_wr.wr);
> -}
> -
> int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
> {
> struct ib_send_wr *bad_wr, *n_wr;
> --
> 1.7.1
>
--
Chuck Lever
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