linux-kernel - [PATCH tip/core/rcu 15/28] scsi,rcu: Convert call_rcu(fc_rport_free_rcu) to kfree

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Date:	Wed,  8 Jun 2011 12:29:54 -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>,
	Robert Love <robert.w.love@...el.com>,
	"James E.J. Bottomley" <James.Bottomley@...e.de>
Subject: [PATCH tip/core/rcu 15/28] scsi,rcu: Convert call_rcu(fc_rport_free_rcu) to kfree_rcu()

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

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

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Robert Love <robert.w.love@...el.com>
Cc: "James E.J. Bottomley" <James.Bottomley@...e.de>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
---
 drivers/scsi/libfc/fc_rport.c |   14 +-------------
 1 files changed, 1 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 49e1ccc..01e13a2 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -153,18 +153,6 @@ static struct fc_rport_priv *fc_rport_create(struct fc_lport *lport,
 }
 
 /**
- * fc_rport_free_rcu() - Free a remote port
- * @rcu: The rcu_head structure inside the remote port
- */
-static void fc_rport_free_rcu(struct rcu_head *rcu)
-{
-	struct fc_rport_priv *rdata;
-
-	rdata = container_of(rcu, struct fc_rport_priv, rcu);
-	kfree(rdata);
-}
-
-/**
  * fc_rport_destroy() - Free a remote port after last reference is released
  * @kref: The remote port's kref
  */
@@ -173,7 +161,7 @@ static void fc_rport_destroy(struct kref *kref)
 	struct fc_rport_priv *rdata;
 
 	rdata = container_of(kref, struct fc_rport_priv, kref);
-	call_rcu(&rdata->rcu, fc_rport_free_rcu);
+	kfree_rcu(rdata, rcu);
 }
 
 /**
-- 
1.7.3.2

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