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-rw-r--r--net/sunrpc/xprtsock.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index bf168838a..e72581da9 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -473,7 +473,16 @@ static int xs_nospace(struct rpc_task *task)
spin_unlock_bh(&xprt->transport_lock);
/* Race breaker in case memory is freed before above code is called */
- sk->sk_write_space(sk);
+ if (ret == -EAGAIN) {
+ struct socket_wq *wq;
+
+ rcu_read_lock();
+ wq = rcu_dereference(sk->sk_wq);
+ set_bit(SOCKWQ_ASYNC_NOSPACE, &wq->flags);
+ rcu_read_unlock();
+
+ sk->sk_write_space(sk);
+ }
return ret;
}