From mboxrd@z Thu Jan 1 00:00:00 1970 From: frank.blaschka@de.ibm.com Subject: [patch 02/10] [PATCH] af_iucv: accelerate close for HS transport Date: Tue, 20 Dec 2011 09:56:28 +0100 Message-ID: <20111220085735.688872331@de.ibm.com> References: <20111220085626.924756639@de.ibm.com> Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, Ursula Braun To: davem@davemloft.net Return-path: Received: from e06smtp13.uk.ibm.com ([195.75.94.109]:35208 "EHLO e06smtp13.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752136Ab1LTI5k (ORCPT ); Tue, 20 Dec 2011 03:57:40 -0500 Received: from /spool/local by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 20 Dec 2011 08:57:39 -0000 Content-Disposition: inline; filename=601-af_iucv-fast-close-hs.diff Sender: netdev-owner@vger.kernel.org List-ID: From: Ursula Braun Closing an af_iucv socket may wait for confirmation of outstanding send requests. This patch adds confirmation code for the new HiperSockets transport. Signed-off-by: Ursula Braun Signed-off-by: Frank Blaschka --- net/iucv/af_iucv.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -2293,6 +2293,13 @@ static void afiucv_hs_callback_txnotify( } spin_unlock_irqrestore(&list->lock, flags); + if (sk->sk_state == IUCV_CLOSING) { + if (skb_queue_empty(&iucv_sk(sk)->send_skb_q)) { + sk->sk_state = IUCV_CLOSED; + sk->sk_state_change(sk); + } + } + out_unlock: bh_unlock_sock(sk); }