linux-kernel - [PATCH tip/core/rcu 13/28] nfs,rcu: Convert call_rcu(nfs_free_delegation_callback) to kfree

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Message-Id: <1307561407-13809-13-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Wed,  8 Jun 2011 12:29:52 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	patches@...aro.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [PATCH tip/core/rcu 13/28] nfs,rcu: Convert call_rcu(nfs_free_delegation_callback) to kfree_rcu()

From: Lai Jiangshan <laijs@...fujitsu.com>

The rcu callback nfs_free_delegation_callback() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(nfs_free_delegation_callback).

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Trond Myklebust <Trond.Myklebust@...app.com>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
---
 fs/nfs/delegation.c |   14 +-------------
 1 files changed, 1 insertions(+), 13 deletions(-)

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index bbbc6bf..dd25c2a 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -21,25 +21,13 @@
 #include "delegation.h"
 #include "internal.h"
 
-static void nfs_do_free_delegation(struct nfs_delegation *delegation)
-{
-	kfree(delegation);
-}
-
-static void nfs_free_delegation_callback(struct rcu_head *head)
-{
-	struct nfs_delegation *delegation = container_of(head, struct nfs_delegation, rcu);
-
-	nfs_do_free_delegation(delegation);
-}
-
 static void nfs_free_delegation(struct nfs_delegation *delegation)
 {
 	if (delegation->cred) {
 		put_rpccred(delegation->cred);
 		delegation->cred = NULL;
 	}
-	call_rcu(&delegation->rcu, nfs_free_delegation_callback);
+	kfree_rcu(delegation, rcu);
 }
 
 /**
-- 
1.7.3.2

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