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From: Chuck Lever <chuck.lever@oracle.com>
To: anna.schumaker@netapp.com
Cc: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: [PATCH v1 3/5] xprtrdma: Clean up synopsis of rpcrdma_flush_disconnect()
Date: Mon, 15 Jun 2020 09:21:02 -0400	[thread overview]
Message-ID: <20200615132102.11800.39700.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20200615131642.11800.27486.stgit@manet.1015granger.net>

Refactor: Pass struct rpcrdma_xprt instead of an IB layer object.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/frwr_ops.c  |    8 ++++----
 net/sunrpc/xprtrdma/verbs.c     |   12 ++++++------
 net/sunrpc/xprtrdma/xprt_rdma.h |    2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index ef997880e17a..b647562a26dd 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -367,7 +367,7 @@ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc)
 	trace_xprtrdma_wc_fastreg(wc, frwr);
 	/* The MR will get recycled when the associated req is retransmitted */
 
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_flush_disconnect(cq->cq_context, wc);
 }
 
 /**
@@ -452,7 +452,7 @@ static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc)
 	trace_xprtrdma_wc_li(wc, frwr);
 	__frwr_release_mr(wc, mr);
 
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_flush_disconnect(cq->cq_context, wc);
 }
 
 /**
@@ -474,7 +474,7 @@ static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
 	__frwr_release_mr(wc, mr);
 	complete(&frwr->fr_linv_done);
 
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_flush_disconnect(cq->cq_context, wc);
 }
 
 /**
@@ -582,7 +582,7 @@ static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc)
 	smp_rmb();
 	rpcrdma_complete_rqst(rep);
 
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_flush_disconnect(cq->cq_context, wc);
 }
 
 /**
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index b172e43cb204..7a112612fc8f 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -132,14 +132,13 @@ static void rpcrdma_qp_event_handler(struct ib_event *event, void *context)
 
 /**
  * rpcrdma_flush_disconnect - Disconnect on flushed completion
- * @cq: completion queue
+ * @r_xprt: transport to disconnect
  * @wc: work completion entry
  *
  * Must be called in process context.
  */
-void rpcrdma_flush_disconnect(struct ib_cq *cq, struct ib_wc *wc)
+void rpcrdma_flush_disconnect(struct rpcrdma_xprt *r_xprt, struct ib_wc *wc)
 {
-	struct rpcrdma_xprt *r_xprt = cq->cq_context;
 	struct rpc_xprt *xprt = &r_xprt->rx_xprt;
 
 	if (wc->status != IB_WC_SUCCESS &&
@@ -160,11 +159,12 @@ static void rpcrdma_wc_send(struct ib_cq *cq, struct ib_wc *wc)
 	struct ib_cqe *cqe = wc->wr_cqe;
 	struct rpcrdma_sendctx *sc =
 		container_of(cqe, struct rpcrdma_sendctx, sc_cqe);
+	struct rpcrdma_xprt *r_xprt = cq->cq_context;
 
 	/* WARNING: Only wr_cqe and status are reliable at this point */
 	trace_xprtrdma_wc_send(sc, wc);
-	rpcrdma_sendctx_put_locked((struct rpcrdma_xprt *)cq->cq_context, sc);
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_sendctx_put_locked(r_xprt, sc);
+	rpcrdma_flush_disconnect(r_xprt, wc);
 }
 
 /**
@@ -199,7 +199,7 @@ static void rpcrdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc)
 	return;
 
 out_flushed:
-	rpcrdma_flush_disconnect(cq, wc);
+	rpcrdma_flush_disconnect(r_xprt, wc);
 	rpcrdma_rep_destroy(rep);
 }
 
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 0a16fdb09b2c..098d05a62ead 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -446,7 +446,7 @@ extern unsigned int xprt_rdma_memreg_strategy;
 /*
  * Endpoint calls - xprtrdma/verbs.c
  */
-void rpcrdma_flush_disconnect(struct ib_cq *cq, struct ib_wc *wc);
+void rpcrdma_flush_disconnect(struct rpcrdma_xprt *r_xprt, struct ib_wc *wc);
 int rpcrdma_xprt_connect(struct rpcrdma_xprt *r_xprt);
 void rpcrdma_xprt_disconnect(struct rpcrdma_xprt *r_xprt);
 


  parent reply	other threads:[~2020-06-15 13:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15 13:20 [PATCH v1 0/5] RPC/RDMA client fixes Chuck Lever
2020-06-15 13:20 ` [PATCH v1 1/5] xprtrdma: Prevent dereferencing r_xprt->rx_ep after it is freed Chuck Lever
2020-06-15 13:20 ` [PATCH v1 2/5] xprtrdma: Use re_connect_status safely in rpcrdma_xprt_connect() Chuck Lever
2020-06-15 13:21 ` Chuck Lever [this message]
2020-06-15 13:21 ` [PATCH v1 4/5] xprtrdma: Clean up disconnect Chuck Lever
2020-06-15 13:21 ` [PATCH v1 5/5] xprtrdma: Fix handling of RDMA_ERROR replies Chuck Lever

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