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authorJ. Bruce Fields <bfields@redhat.com>2016-05-16 17:03:42 -0400
committerJ. Bruce Fields <bfields@redhat.com>2016-06-15 10:32:25 -0400
commitd50039ea5ee63c589b0434baa5ecf6e5075bb6f9 (patch)
tree3f93ee65837cdd026d59c7b97ab5156a8aa08745 /net
parent1208fd569c07ab84aa5d024abd863267c2953b4a (diff)
downloadlinux-d50039ea5ee63c589b0434baa5ecf6e5075bb6f9.tar.gz
nfsd4/rpc: move backchannel create logic into rpc code
Also simplify the logic a bit.

Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Acked-by: Trond Myklebust <trondmy@primarydata.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/clnt.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 173c5dd2d751..b33721d41adc 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -446,7 +446,7 @@ out_no_rpciod:
 	return ERR_PTR(err);
 }
 
-struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
+static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
 					struct rpc_xprt *xprt)
 {
 	struct rpc_clnt *clnt = NULL;
@@ -484,7 +484,6 @@ struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
 
 	return clnt;
 }
-EXPORT_SYMBOL_GPL(rpc_create_xprt);
 
 /**
  * rpc_create - create an RPC client and transport with one call
@@ -510,6 +509,15 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
 	};
 	char servername[48];
 
+	if (args->bc_xprt) {
+		WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
+		xprt = args->bc_xprt->xpt_bc_xprt;
+		if (xprt) {
+			xprt_get(xprt);
+			return rpc_create_xprt(args, xprt);
+		}
+	}
+
 	if (args->flags & RPC_CLNT_CREATE_INFINITE_SLOTS)
 		xprtargs.flags |= XPRT_CREATE_INFINITE_SLOTS;
 	if (args->flags & RPC_CLNT_CREATE_NO_IDLE_TIMEOUT)