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authorTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-18 20:21:23 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-05-27 17:42:00 -0400
commitfe19a96b10032035a35779f42ad59e35d6dd8ffd (patch)
tree12277ec0de8e30806f3fd4287da9cc6433d69615 /net
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
downloadlinux-fe19a96b10032035a35779f42ad59e35d6dd8ffd.tar.bz2
SUNRPC: Deal with the lack of a SYN_SENT sk->sk_state_change callback...
The TCP connection state code depends on the state_change() callback being called when the SYN_SENT state is set. However the networking layer doesn't actually call us back in that case. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprtsock.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index bf005d3c65ef..f34f5ab341a3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1344,7 +1344,6 @@ static void xs_tcp_state_change(struct sock *sk)
case TCP_CLOSE_WAIT:
/* The server initiated a shutdown of the socket */
xprt_force_disconnect(xprt);
- case TCP_SYN_SENT:
xprt->connect_cookie++;
case TCP_CLOSING:
/*
@@ -1758,6 +1757,7 @@ static void xs_tcp_reuse_connection(struct sock_xprt *transport)
static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
{
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
+ int ret = -ENOTCONN;
if (!transport->inet) {
struct sock *sk = sock->sk;
@@ -1789,12 +1789,22 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
}
if (!xprt_bound(xprt))
- return -ENOTCONN;
+ goto out;
/* Tell the socket layer to start connecting... */
xprt->stat.connect_count++;
xprt->stat.connect_start = jiffies;
- return kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK);
+ ret = kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK);
+ switch (ret) {
+ case 0:
+ case -EINPROGRESS:
+ /* SYN_SENT! */
+ xprt->connect_cookie++;
+ if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO)
+ xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
+ }
+out:
+ return ret;
}
/**