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-rw-r--r--net/sunrpc/clnt.c31
1 files changed, 25 insertions, 6 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 06b4df9faaa1..2808d550d273 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -446,16 +446,27 @@ 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;
struct rpc_xprt_switch *xps;
- xps = xprt_switch_alloc(xprt, GFP_KERNEL);
- if (xps == NULL)
- return ERR_PTR(-ENOMEM);
-
+ if (args->bc_xprt && args->bc_xprt->xpt_bc_xps) {
+ WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
+ xps = args->bc_xprt->xpt_bc_xps;
+ xprt_switch_get(xps);
+ } else {
+ xps = xprt_switch_alloc(xprt, GFP_KERNEL);
+ if (xps == NULL) {
+ xprt_put(xprt);
+ return ERR_PTR(-ENOMEM);
+ }
+ if (xprt->bc_xprt) {
+ xprt_switch_get(xps);
+ xprt->bc_xprt->xpt_bc_xps = xps;
+ }
+ }
clnt = rpc_new_client(args, xps, xprt, NULL);
if (IS_ERR(clnt))
return clnt;
@@ -483,7 +494,6 @@ 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
@@ -509,6 +519,15 @@ 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)
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