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path: root/net/sunrpc/xprtrdma/rpc_rdma.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/rpc_rdma.c')
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 95774fcc1b43..b7a21e551888 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -441,6 +441,11 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
enum rpcrdma_chunktype rtype, wtype;
struct rpcrdma_msg *headerp;
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
+ if (test_bit(RPC_BC_PA_IN_USE, &rqst->rq_bc_pa_state))
+ return rpcrdma_bc_marshal_reply(rqst);
+#endif
+
/*
* rpclen gets amount of data in first buffer, which is the
* pre-registered buffer.