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authorChuck Lever <chuck.lever@oracle.com>2020-06-27 12:35:15 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2020-07-13 10:50:41 -0400
commitdda9a951dd6dd6073bbaf2c8d3119da2f8fe2d5b (patch)
treef1ea37ce95f1630a5bd7153d1ad37477b6b2f167 /net/sunrpc
parent4cf44be6f1e86da302085bf3e1dc2c86f3cdaaaa (diff)
downloadlinux-dda9a951dd6dd6073bbaf2c8d3119da2f8fe2d5b.tar.gz
xprtrdma: Fix return code from rpcrdma_xprt_connect()
I noticed that when rpcrdma_xprt_connect() returns -ENOMEM,
instead of retrying the connect, the RPC client kills the
RPC task that requested the connection. We want a retry
here.

Fixes: cb586decbb88 ("xprtrdma: Make sendctx queue lifetime the same as connection lifetime")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtrdma/verbs.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 641a3ca0fc8f..13d671dccfd8 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -400,7 +400,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt)
 
 	ep = kzalloc(sizeof(*ep), GFP_NOFS);
 	if (!ep)
-		return -EAGAIN;
+		return -ENOTCONN;
 	ep->re_xprt = &r_xprt->rx_xprt;
 	kref_init(&ep->re_kref);
 
@@ -535,10 +535,6 @@ int rpcrdma_xprt_connect(struct rpcrdma_xprt *r_xprt)
 	rpcrdma_ep_get(ep);
 	rpcrdma_post_recvs(r_xprt, true);
 
-	rc = rpcrdma_sendctxs_create(r_xprt);
-	if (rc)
-		goto out;
-
 	rc = rdma_connect(ep->re_id, &ep->re_remote_cma);
 	if (rc)
 		goto out;
@@ -552,9 +548,17 @@ int rpcrdma_xprt_connect(struct rpcrdma_xprt *r_xprt)
 		goto out;
 	}
 
+	rc = rpcrdma_sendctxs_create(r_xprt);
+	if (rc) {
+		rc = -ENOTCONN;
+		goto out;
+	}
+
 	rc = rpcrdma_reqs_setup(r_xprt);
-	if (rc)
+	if (rc) {
+		rc = -ENOTCONN;
 		goto out;
+	}
 	rpcrdma_mrs_create(r_xprt);
 
 out: