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path: root/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_backchannel.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_backchannel.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index a68180090554..642f0310cc16 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -32,7 +32,6 @@ int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt, __be32 *rdma_resp,
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
struct kvec *dst, *src = &rcvbuf->head[0];
struct rpc_rqst *req;
- unsigned long cwnd;
u32 credits;
size_t len;
__be32 xid;
@@ -66,6 +65,8 @@ int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt, __be32 *rdma_resp,
if (dst->iov_len < len)
goto out_unlock;
memcpy(dst->iov_base, p, len);
+ xprt_pin_rqst(req);
+ spin_unlock(&xprt->recv_lock);
credits = be32_to_cpup(rdma_resp + 2);
if (credits == 0)
@@ -74,15 +75,13 @@ int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt, __be32 *rdma_resp,
credits = r_xprt->rx_buf.rb_bc_max_requests;
spin_lock_bh(&xprt->transport_lock);
- cwnd = xprt->cwnd;
xprt->cwnd = credits << RPC_CWNDSHIFT;
- if (xprt->cwnd > cwnd)
- xprt_release_rqst_cong(req->rq_task);
spin_unlock_bh(&xprt->transport_lock);
-
+ spin_lock(&xprt->recv_lock);
ret = 0;
xprt_complete_rqst(req->rq_task, rcvbuf->len);
+ xprt_unpin_rqst(req);
rcvbuf->len = 0;
out_unlock: