From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:35128 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751512AbeCNKBP (ORCPT ); Wed, 14 Mar 2018 06:01:15 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w2E9xUIK130406 for ; Wed, 14 Mar 2018 06:01:15 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 2gpxchqnvu-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Wed, 14 Mar 2018 06:01:15 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 14 Mar 2018 10:01:12 -0000 From: Ursula Braun To: davem@davemloft.net Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, raspl@linux.vnet.ibm.com, ubraun@linux.vnet.ibm.com Subject: [PATCH net-next 3/3] net/smc: schedule free_work when link group is terminated Date: Wed, 14 Mar 2018 11:01:02 +0100 In-Reply-To: <20180314100102.40474-1-ubraun@linux.vnet.ibm.com> References: <20180314100102.40474-1-ubraun@linux.vnet.ibm.com> Message-Id: <20180314100102.40474-4-ubraun@linux.vnet.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Karsten Graul The free_work worker must be scheduled when the link group is abnormally terminated. Signed-off-by: Karsten Graul Signed-off-by: Ursula Braun --- net/smc/smc_core.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index ec6189fe2a48..f44f6803f7ff 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -32,6 +32,17 @@ static u32 smc_lgr_num; /* unique link group number */ +static void smc_lgr_schedule_free_work(struct smc_link_group *lgr) +{ + /* client link group creation always follows the server link group + * creation. For client use a somewhat higher removal delay time, + * otherwise there is a risk of out-of-sync link groups. + */ + mod_delayed_work(system_wq, &lgr->free_work, + lgr->role == SMC_CLNT ? SMC_LGR_FREE_DELAY_CLNT : + SMC_LGR_FREE_DELAY_SERV); +} + /* Register connection's alert token in our lookup structure. * To use rbtrees we have to implement our own insert core. * Requires @conns_lock @@ -111,13 +122,7 @@ static void smc_lgr_unregister_conn(struct smc_connection *conn) write_unlock_bh(&lgr->conns_lock); if (!reduced || lgr->conns_num) return; - /* client link group creation always follows the server link group - * creation. For client use a somewhat higher removal delay time, - * otherwise there is a risk of out-of-sync link groups. - */ - mod_delayed_work(system_wq, &lgr->free_work, - lgr->role == SMC_CLNT ? SMC_LGR_FREE_DELAY_CLNT : - SMC_LGR_FREE_DELAY_SERV); + smc_lgr_schedule_free_work(lgr); } static void smc_lgr_free_work(struct work_struct *work) @@ -344,6 +349,7 @@ void smc_lgr_terminate(struct smc_link_group *lgr) } write_unlock_bh(&lgr->conns_lock); wake_up(&lgr->lnk[SMC_SINGLE_LINK].wr_reg_wait); + smc_lgr_schedule_free_work(lgr); } /* Determine vlan of internal TCP socket. -- 2.13.5