From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753618Ab0EKXdV (ORCPT ); Tue, 11 May 2010 19:33:21 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:41155 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752626Ab0EKXdL (ORCPT ); Tue, 11 May 2010 19:33:11 -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, dvhltc@us.ibm.com, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, "Paul E. McKenney" , Mathieu Desnoyers , Jens Axboe Subject: [PATCH RFC tip/core/rcu 05/11] block: remove all rcu head initializations Date: Tue, 11 May 2010 16:33:00 -0700 Message-Id: <1273620786-20392-5-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.0.6 In-Reply-To: <20100511233241.GA20250@linux.vnet.ibm.com> References: <20100511233241.GA20250@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove all rcu head inits. We don't care about the RCU head state before passing it to call_rcu() anyway. Only leave the "on_stack" variants so debugobjects can keep track of objects on stack. Signed-off-by: Mathieu Desnoyers Signed-off-by: Paul E. McKenney Cc: Jens Axboe --- block/cfq-iosched.c | 1 - block/genhd.c | 1 - 2 files changed, 0 insertions(+), 2 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 5f127cf..702d006 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3743,7 +3743,6 @@ static void *cfq_init_queue(struct request_queue *q) * second, in order to have larger depth for async operations. */ cfqd->last_delayed_sync = jiffies - HZ; - INIT_RCU_HEAD(&cfqd->rcu); return cfqd; } diff --git a/block/genhd.c b/block/genhd.c index d13ba76..27e85a2 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -987,7 +987,6 @@ int disk_expand_part_tbl(struct gendisk *disk, int partno) if (!new_ptbl) return -ENOMEM; - INIT_RCU_HEAD(&new_ptbl->rcu_head); new_ptbl->len = target; for (i = 0; i < len; i++) -- 1.7.0.6