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xprtrdma: Clean up the post_send path

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Clean up: Simplify the synopses of functions in the post_send path
by combining the struct rpcrdma_ia and struct rpcrdma_ep arguments.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2020-02-21 17:00:23 -05:00 committed by Anna Schumaker
parent 253a51622f
commit 97d0de8812
5 changed files with 18 additions and 18 deletions
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2
net/sunrpc/xprtrdma/backchannel.c
View File

@ -115,7 +115,7 @@ int xprt_rdma_bc_send_reply(struct rpc_rqst *rqst)
if (rc < 0)
goto failed_marshal;
if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
if (rpcrdma_post_sends(r_xprt, req))
goto drop_connection;
return 0;

14
net/sunrpc/xprtrdma/frwr_ops.c
View File

@ -374,18 +374,22 @@ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc)
}
/**
* frwr_send - post Send WR containing the RPC Call message
* @ia: interface adapter
* @req: Prepared RPC Call
* frwr_send - post Send WRs containing the RPC Call message
* @r_xprt: controlling transport instance
* @req: prepared RPC Call
*
* For FRWR, chain any FastReg WRs to the Send WR. Only a
* single ib_post_send call is needed to register memory
* and then post the Send WR.
*
* Returns the result of ib_post_send.
* Returns the return code from ib_post_send.
*
* Caller must hold the transport send lock to ensure that the
* pointers to the transport's rdma_cm_id and QP are stable.
*/
int frwr_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
struct ib_send_wr *post_wr;
struct rpcrdma_mr *mr;

2
net/sunrpc/xprtrdma/transport.c
View File

@ -688,7 +688,7 @@ xprt_rdma_send_request(struct rpc_rqst *rqst)
goto drop_connection;
rqst->rq_xtime = ktime_get();
if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
if (rpcrdma_post_sends(r_xprt, req))
goto drop_connection;
rqst->rq_xmit_bytes_sent += rqst->rq_snd_buf.len;

13
net/sunrpc/xprtrdma/verbs.c
View File

@ -1461,20 +1461,17 @@ static void rpcrdma_regbuf_free(struct rpcrdma_regbuf *rb)
}
/**
* rpcrdma_ep_post - Post WRs to a transport's Send Queue
* @ia: transport's device information
* @ep: transport's RDMA endpoint information
* rpcrdma_post_sends - Post WRs to a transport's Send Queue
* @r_xprt: controlling transport instance
* @req: rpcrdma_req containing the Send WR to post
*
* Returns 0 if the post was successful, otherwise -ENOTCONN
* is returned.
*/
int
rpcrdma_ep_post(struct rpcrdma_ia *ia,
struct rpcrdma_ep *ep,
struct rpcrdma_req *req)
int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
struct ib_send_wr *send_wr = &req->rl_wr;
struct rpcrdma_ep *ep = &r_xprt->rx_ep;
int rc;
if (!ep->rep_send_count || kref_read(&req->rl_kref) > 1) {
@ -1485,7 +1482,7 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
--ep->rep_send_count;
}
rc = frwr_send(ia, req);
rc = frwr_send(r_xprt, req);
trace_xprtrdma_post_send(req, rc);
if (rc)
return -ENOTCONN;

5
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -467,8 +467,7 @@ void rpcrdma_ia_close(struct rpcrdma_ia *);
int rpcrdma_ep_connect(struct rpcrdma_ep *, struct rpcrdma_ia *);
void rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *);
int rpcrdma_ep_post(struct rpcrdma_ia *, struct rpcrdma_ep *,
struct rpcrdma_req *);
int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req);
void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp);
/*
@ -542,7 +541,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_mr_seg *seg,
int nsegs, bool writing, __be32 xid,
struct rpcrdma_mr *mr);
int frwr_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req);
int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req);
void frwr_reminv(struct rpcrdma_rep *rep, struct list_head *mrs);
void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req);
void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req);