net: add sk_stream_is_writeable() helper
Several call sites use the hardcoded following condition :
sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)
Lets use a helper because TCP_NOTSENT_LOWAT support will change this
condition for TCP sockets.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index ddf0602..d6656d7 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1602,7 +1602,7 @@
read_lock_bh(&sk->sk_callback_lock);
/* from net/core/stream.c:sk_stream_write_space */
- if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk))
+ if (sk_stream_is_writeable(sk))
xs_write_space(sk);
read_unlock_bh(&sk->sk_callback_lock);