diff options
| author | Eric Dumazet <edumazet@google.com> | 2013-07-22 20:26:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-07-24 17:54:48 -0700 |
| commit | 64dc61306ce7da370833289739e2f52dfc6b37ba (patch) | |
| tree | 3d04f970a54863e025f13c7f9de18c221e16b7d7 /net/dccp | |
| parent | 4d58c0252002646ea522f5c6c623e558af459b39 (diff) | |
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>
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/proto.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 6c7c78b83940..ba64750f0387 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -336,7 +336,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock, mask |= POLLIN | POLLRDNORM; if (!(sk->sk_shutdown & SEND_SHUTDOWN)) { - if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) { + if (sk_stream_is_writeable(sk)) { mask |= POLLOUT | POLLWRNORM; } else { /* send SIGIO later */ set_bit(SOCK_ASYNC_NOSPACE, @@ -347,7 +347,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock, * wspace test but before the flags are set, * IO signal will be lost. */ - if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) + if (sk_stream_is_writeable(sk)) mask |= POLLOUT | POLLWRNORM; } } |