From 632e3bdc5006334cea894d078660b691685e1075 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 3 Jan 2006 09:55:55 +0100 Subject: SUNRPC: Ensure client closes the socket when server initiates a close If the server decides to close the RPC socket, we currently don't actually respond until either another RPC call is scheduled, or until xprt_autoclose() gets called by the socket expiry timer (which may be up to 5 minutes later). This patch ensures that xprt_autoclose() is called much sooner if the server closes the socket. Signed-off-by: Trond Myklebust --- net/sunrpc/xprtsock.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'net/sunrpc/xprtsock.c') diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 3e8893001479..c458f8d1d6d1 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -425,7 +425,7 @@ static void xs_close(struct rpc_xprt *xprt) struct sock *sk = xprt->inet; if (!sk) - return; + goto clear_close_wait; dprintk("RPC: xs_close xprt %p\n", xprt); @@ -442,6 +442,10 @@ static void xs_close(struct rpc_xprt *xprt) sk->sk_no_check = 0; sock_release(sock); +clear_close_wait: + smp_mb__before_clear_bit(); + clear_bit(XPRT_CLOSE_WAIT, &xprt->state); + smp_mb__after_clear_bit(); } /** @@ -801,9 +805,13 @@ static void xs_tcp_state_change(struct sock *sk) case TCP_SYN_SENT: case TCP_SYN_RECV: break; + case TCP_CLOSE_WAIT: + /* Try to schedule an autoclose RPC calls */ + set_bit(XPRT_CLOSE_WAIT, &xprt->state); + if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0) + schedule_work(&xprt->task_cleanup); default: xprt_disconnect(xprt); - break; } out: read_unlock(&sk->sk_callback_lock); -- cgit v1.2.3-55-g7522