Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756080Ab1FHTa4 (ORCPT ); Wed, 8 Jun 2011 15:30:56 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:48419 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755628Ab1FHTap (ORCPT ); Wed, 8 Jun 2011 15:30:45 -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" , Jan Kara Subject: [PATCH tip/core/rcu 18/28] jbd2,rcu: Convert call_rcu(free_devcache) to kfree_rcu() Date: Wed, 8 Jun 2011 12:29:57 -0700 Message-Id: <1307561407-13809-18-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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1457 Lines: 47 From: Lai Jiangshan The rcu callback free_devcache() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_devcache). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Cc: Andrew Morton Cc: Jan Kara Reviewed-by: Josh Triplett --- fs/jbd2/journal.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index e0ec3db..13fb464 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -2390,11 +2390,6 @@ struct devname_cache { static struct devname_cache *devcache[1 << CACHE_SIZE_BITS]; static DEFINE_SPINLOCK(devname_cache_lock); -static void free_devcache(struct rcu_head *rcu) -{ - kfree(rcu); -} - const char *jbd2_dev_to_name(dev_t device) { int i = hash_32(device, CACHE_SIZE_BITS); @@ -2423,7 +2418,7 @@ const char *jbd2_dev_to_name(dev_t device) spin_unlock(&devname_cache_lock); return ret; } - call_rcu(&devcache[i]->rcu, free_devcache); + kfree_rcu(devcache[i], rcu); } devcache[i] = new_dev; devcache[i]->device = device; -- 1.7.3.2 -- 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/