From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760313Ab1EAN1U (ORCPT ); Sun, 1 May 2011 09:27:20 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:48548 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757361Ab1EANWh (ORCPT ); Sun, 1 May 2011 09:22:37 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, "Paul E. McKenney" , Jens Axboe Subject: [PATCH tip/core/rcu 73/86] block,rcu: convert call_rcu(cfq_cfqd_free) to kfree_rcu() Date: Sun, 1 May 2011 06:21:53 -0700 Message-Id: <1304256126-26015-73-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110501132142.GA25494@linux.vnet.ibm.com> References: <20110501132142.GA25494@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan The rcu callback cfq_cfqd_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(cfq_cfqd_free). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Cc: Jens Axboe --- block/cfq-iosched.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 3be881e..a157728 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3824,11 +3824,6 @@ static void cfq_put_async_queues(struct cfq_data *cfqd) cfq_put_queue(cfqd->async_idle_cfqq); } -static void cfq_cfqd_free(struct rcu_head *head) -{ - kfree(container_of(head, struct cfq_data, rcu)); -} - static void cfq_exit_queue(struct elevator_queue *e) { struct cfq_data *cfqd = e->elevator_data; @@ -3862,7 +3857,7 @@ static void cfq_exit_queue(struct elevator_queue *e) spin_unlock(&cic_index_lock); /* Wait for cfqg->blkg->key accessors to exit their grace periods. */ - call_rcu(&cfqd->rcu, cfq_cfqd_free); + kfree_rcu(cfqd, rcu); } static int cfq_alloc_cic_index(void) -- 1.7.3.2