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Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c53
1 files changed, 21 insertions, 32 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 5cbb404c4cd..b49e434c094 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1215,6 +1215,23 @@ out:
read_unlock(&sk->sk_callback_lock);
}
+static void xs_write_space(struct sock *sk)
+{
+ struct socket *sock;
+ struct rpc_xprt *xprt;
+
+ if (unlikely(!(sock = sk->sk_socket)))
+ return;
+ clear_bit(SOCK_NOSPACE, &sock->flags);
+
+ if (unlikely(!(xprt = xprt_from_sock(sk))))
+ return;
+ if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
+ return;
+
+ xprt_write_space(xprt);
+}
+
/**
* xs_udp_write_space - callback invoked when socket buffer space
* becomes available
@@ -1230,23 +1247,9 @@ static void xs_udp_write_space(struct sock *sk)
read_lock(&sk->sk_callback_lock);
/* from net/core/sock.c:sock_def_write_space */
- if (sock_writeable(sk)) {
- struct socket *sock;
- struct rpc_xprt *xprt;
-
- if (unlikely(!(sock = sk->sk_socket)))
- goto out;
- clear_bit(SOCK_NOSPACE, &sock->flags);
-
- if (unlikely(!(xprt = xprt_from_sock(sk))))
- goto out;
- if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
- goto out;
-
- xprt_write_space(xprt);
- }
+ if (sock_writeable(sk))
+ xs_write_space(sk);
- out:
read_unlock(&sk->sk_callback_lock);
}
@@ -1265,23 +1268,9 @@ static void xs_tcp_write_space(struct sock *sk)
read_lock(&sk->sk_callback_lock);
/* from net/core/stream.c:sk_stream_write_space */
- if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) {
- struct socket *sock;
- struct rpc_xprt *xprt;
-
- if (unlikely(!(sock = sk->sk_socket)))
- goto out;
- clear_bit(SOCK_NOSPACE, &sock->flags);
+ if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk))
+ xs_write_space(sk);
- if (unlikely(!(xprt = xprt_from_sock(sk))))
- goto out;
- if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0)
- goto out;
-
- xprt_write_space(xprt);
- }
-
- out:
read_unlock(&sk->sk_callback_lock);
}