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authorEric Dumazet <edumazet@google.com>2013-07-22 20:26:31 -0700
committerDavid S. Miller <davem@davemloft.net>2013-07-24 17:54:48 -0700
commit64dc61306ce7da370833289739e2f52dfc6b37ba (patch)
tree3d04f970a54863e025f13c7f9de18c221e16b7d7 /include/net
parent4d58c0252002646ea522f5c6c623e558af459b39 (diff)
downloadlinux-64dc61306ce7da370833289739e2f52dfc6b37ba.tar.bz2
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 'include/net')
-rw-r--r--include/net/sock.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index e0473f61693f..d0b5fdee50a2 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1088,6 +1088,10 @@ static inline struct cg_proto *parent_cg_proto(struct proto *proto,
}
#endif
+static inline bool sk_stream_is_writeable(const struct sock *sk)
+{
+ return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk);
+}
static inline bool sk_has_memory_pressure(const struct sock *sk)
{