Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ig0-f173.google.com ([209.85.213.173]:58614 "EHLO mail-ig0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933744AbbBIWsZ (ORCPT ); Mon, 9 Feb 2015 17:48:25 -0500 Received: by mail-ig0-f173.google.com with SMTP id a13so19926521igq.0 for ; Mon, 09 Feb 2015 14:48:24 -0800 (PST) From: Trond Myklebust To: linux-nfs@vger.kernel.org Subject: [PATCH v3 08/15] SUNRPC: Remove TCP socket linger code Date: Mon, 9 Feb 2015 17:48:04 -0500 Message-Id: <1423522091-35365-9-git-send-email-trond.myklebust@primarydata.com> In-Reply-To: <1423522091-35365-8-git-send-email-trond.myklebust@primarydata.com> References: <1423522091-35365-1-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-2-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-3-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-4-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-5-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-6-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-7-git-send-email-trond.myklebust@primarydata.com> <1423522091-35365-8-git-send-email-trond.myklebust@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Now that we no longer use the partial shutdown code when closing the socket, we no longer need to worry about the TCP linger2 state. Signed-off-by: Trond Myklebust --- net/sunrpc/xprtsock.c | 35 ----------------------------------- 1 file changed, 35 deletions(-) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index dbf279cd4494..c65f74019288 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1427,37 +1427,6 @@ out: read_unlock_bh(&sk->sk_callback_lock); } -/* - * Do the equivalent of linger/linger2 handling for dealing with - * broken servers that don't close the socket in a timely - * fashion - */ -static void xs_tcp_schedule_linger_timeout(struct rpc_xprt *xprt, - unsigned long timeout) -{ - struct sock_xprt *transport; - - if (xprt_test_and_set_connecting(xprt)) - return; - set_bit(XPRT_CONNECTION_ABORT, &xprt->state); - transport = container_of(xprt, struct sock_xprt, xprt); - queue_delayed_work(rpciod_workqueue, &transport->connect_worker, - timeout); -} - -static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt) -{ - struct sock_xprt *transport; - - transport = container_of(xprt, struct sock_xprt, xprt); - - if (!test_bit(XPRT_CONNECTION_ABORT, &xprt->state) || - !cancel_delayed_work(&transport->connect_worker)) - return; - clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); - xprt_clear_connecting(xprt); -} - static void xs_sock_mark_closed(struct rpc_xprt *xprt) { xs_sock_reset_connection_flags(xprt); @@ -1513,7 +1482,6 @@ static void xs_tcp_state_change(struct sock *sk) clear_bit(XPRT_CONNECTED, &xprt->state); clear_bit(XPRT_CLOSE_WAIT, &xprt->state); smp_mb__after_atomic(); - xs_tcp_schedule_linger_timeout(xprt, xs_tcp_fin_timeout); break; case TCP_CLOSE_WAIT: /* The server initiated a shutdown of the socket */ @@ -1530,13 +1498,11 @@ static void xs_tcp_state_change(struct sock *sk) break; case TCP_LAST_ACK: set_bit(XPRT_CLOSING, &xprt->state); - xs_tcp_schedule_linger_timeout(xprt, xs_tcp_fin_timeout); smp_mb__before_atomic(); clear_bit(XPRT_CONNECTED, &xprt->state); smp_mb__after_atomic(); break; case TCP_CLOSE: - xs_tcp_cancel_linger_timeout(xprt); xs_sock_mark_closed(xprt); } out: @@ -2134,7 +2100,6 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) /* socket options */ sock_reset_flag(sk, SOCK_LINGER); - tcp_sk(sk)->linger2 = 0; tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF; xprt_clear_connected(xprt); -- 2.1.0