From patchwork Wed Jun 8 19:29:58 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 1868 Return-Path: Delivered-To: unknown Received: from imap.gmail.com (74.125.47.109) by localhost6.localdomain6 with IMAP4-SSL; 14 Jun 2011 16:46:10 -0000 Delivered-To: patches@linaro.org Received: by 10.52.181.10 with SMTP id ds10cs199960vdc; Wed, 8 Jun 2011 12:30:34 -0700 (PDT) Received: by 10.236.105.210 with SMTP id k58mr3010847yhg.273.1307561434088; Wed, 08 Jun 2011 12:30:34 -0700 (PDT) Received: from e6.ny.us.ibm.com (e6.ny.us.ibm.com [32.97.182.146]) by mx.google.com with ESMTPS id y48si243987yhl.134.2011.06.08.12.30.32 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 08 Jun 2011 12:30:33 -0700 (PDT) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.146 as permitted sender) client-ip=32.97.182.146; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.146 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by e6.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p58J6Jpx008491 for ; Wed, 8 Jun 2011 15:06:19 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p58JUSim099194 for ; Wed, 8 Jun 2011 15:30:28 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p58JUGXA016125 for ; Wed, 8 Jun 2011 15:30:25 -0400 Received: from paulmck-ThinkPad-W500 (paulmck-ThinkPad-W500.beaverton.ibm.com [9.47.24.65]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p58JUBu6015549; Wed, 8 Jun 2011 15:30:15 -0400 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id E54C113F801; Wed, 8 Jun 2011 12:30:09 -0700 (PDT) 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" , Neil Brown Subject: [PATCH tip/core/rcu 19/28] md, rcu: Convert call_rcu(free_conf) to kfree_rcu() Date: Wed, 8 Jun 2011 12:29:58 -0700 Message-Id: <1307561407-13809-19-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110608192943.GA13211@linux.vnet.ibm.com> References: <20110608192943.GA13211@linux.vnet.ibm.com> From: Lai Jiangshan The rcu callback free_conf() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_conf). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Cc: Neil Brown Reviewed-by: Josh Triplett --- drivers/md/linear.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index abfb59a..6cd2c31 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -213,12 +213,6 @@ static int linear_run (mddev_t *mddev) return md_integrity_register(mddev); } -static void free_conf(struct rcu_head *head) -{ - linear_conf_t *conf = container_of(head, linear_conf_t, rcu); - kfree(conf); -} - static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) { /* Adding a drive to a linear array allows the array to grow. @@ -247,7 +241,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); - call_rcu(&oldconf->rcu, free_conf); + kfree_rcu(oldconf, rcu); return 0; }