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net/xprtrdma: Simplify ib_post_(send|recv|srq_recv)() calls 

Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL
as third argument to ib_post_(send|recv|srq_recv)().

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Anna Schumaker <Anna.Schumaker@netapp.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
hifive-unleashed-5.1
Bart Van Assche 2018-07-18 09:25:31 -07:00 committed by Jason Gunthorpe
parent 2e3bbe46b4
commit ed288d74a9
5 changed files with 6 additions and 10 deletions
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4
net/sunrpc/xprtrdma/fmr_ops.c
View File

@ -279,9 +279,7 @@ out_maperr:
static int
fmr_op_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
{
struct ib_send_wr *bad_wr;
return ib_post_send(ia->ri_id->qp, &req->rl_sendctx->sc_wr, &bad_wr);
return ib_post_send(ia->ri_id->qp, &req->rl_sendctx->sc_wr, NULL);
}
/* Invalidate all memory regions that were registered for "req".

4
net/sunrpc/xprtrdma/frwr_ops.c
View File

@ -464,7 +464,7 @@ out_mapmr_err:
static int
frwr_op_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
{
struct ib_send_wr *post_wr, *bad_wr;
struct ib_send_wr *post_wr;
struct rpcrdma_mr *mr;
post_wr = &req->rl_sendctx->sc_wr;
@ -486,7 +486,7 @@ frwr_op_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
/* If ib_post_send fails, the next ->send_request for
* @req will queue these MWs for recovery.
*/
return ib_post_send(ia->ri_id->qp, post_wr, &bad_wr);
return ib_post_send(ia->ri_id->qp, post_wr, NULL);
}
/* Handle a remotely invalidated mr on the @mrs list

3
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
View File

@ -229,11 +229,10 @@ void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
static int __svc_rdma_post_recv(struct svcxprt_rdma *rdma,
struct svc_rdma_recv_ctxt *ctxt)
{
struct ib_recv_wr *bad_recv_wr;
int ret;
svc_xprt_get(&rdma->sc_xprt);
ret = ib_post_recv(rdma->sc_qp, &ctxt->rc_recv_wr, &bad_recv_wr);
ret = ib_post_recv(rdma->sc_qp, &ctxt->rc_recv_wr, NULL);
trace_svcrdma_post_recv(&ctxt->rc_recv_wr, ret);
if (ret)
goto err_post;

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

@ -329,7 +329,7 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
do {
if (atomic_sub_return(cc->cc_sqecount,
&rdma->sc_sq_avail) > 0) {
ret = ib_post_send(rdma->sc_qp, first_wr, &bad_wr);
ret = ib_post_send(rdma->sc_qp, first_wr, NULL);
trace_svcrdma_post_rw(&cc->cc_cqe,
cc->cc_sqecount, ret);
if (ret)

3
net/sunrpc/xprtrdma/svc_rdma_sendto.c
View File

@ -291,7 +291,6 @@ static void svc_rdma_wc_send(struct ib_cq *cq, struct ib_wc *wc)
*/
int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
{
struct ib_send_wr *bad_wr;
int ret;
might_sleep();
@ -311,7 +310,7 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
}
svc_xprt_get(&rdma->sc_xprt);
ret = ib_post_send(rdma->sc_qp, wr, &bad_wr);
ret = ib_post_send(rdma->sc_qp, wr, NULL);
trace_svcrdma_post_send(wr, ret);
if (ret) {
set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);