Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932293Ab1CRDlU (ORCPT ); Thu, 17 Mar 2011 23:41:20 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:61906 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932090Ab1CRDlP (ORCPT ); Thu, 17 Mar 2011 23:41:15 -0400 Message-ID: <4D82D4C2.8020503@cn.fujitsu.com> Date: Fri, 18 Mar 2011 11:42:58 +0800 From: Lai Jiangshan User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: "Paul E. McKenney" , Ingo Molnar , Jens Axboe , Robert Love , "James E.J. Bottomley" , Neil Horman , "David S. Miller" , Alexey Kuznetsov , "Pekka Savola (ipv6)" , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , Eric Dumazet , Stephen Hemminger , Tejun Heo , Jarek Poplawski , linux-kernel@vger.kernel.org, devel@open-fcoe.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 05/36] block,rcu: convert call_rcu(disk_free_ptbl_rcu_cb) to kfree_rcu() References: <4D82D071.5020703@cn.fujitsu.com> <4D82D3FF.2080303@cn.fujitsu.com> In-Reply-To: <4D82D3FF.2080303@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-18 11:39:49, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-18 11:39:52, Serialize complete at 2011-03-18 11:39:52 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1271 Lines: 45 The rcu callback disk_free_ptbl_rcu_cb() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(disk_free_ptbl_rcu_cb). Signed-off-by: Lai Jiangshan --- block/genhd.c | 10 +--------- 1 files changed, 1 insertions(+), 9 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index cbf1112..2800cc8 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1018,14 +1018,6 @@ static const struct attribute_group *disk_attr_groups[] = { NULL }; -static void disk_free_ptbl_rcu_cb(struct rcu_head *head) -{ - struct disk_part_tbl *ptbl = - container_of(head, struct disk_part_tbl, rcu_head); - - kfree(ptbl); -} - /** * disk_replace_part_tbl - replace disk->part_tbl in RCU-safe way * @disk: disk to replace part_tbl for @@ -1046,7 +1038,7 @@ static void disk_replace_part_tbl(struct gendisk *disk, if (old_ptbl) { rcu_assign_pointer(old_ptbl->last_lookup, NULL); - call_rcu(&old_ptbl->rcu_head, disk_free_ptbl_rcu_cb); + kfree_rcu(old_ptbl, rcu_head); } } -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/