netdev - Re: [PATCH 6/8 net-2.6.25] [ARP] neigh_parms_put(destroy) are essentially local to core/neighbour.c.

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Date:	Mon, 14 Jan 2008 23:04:38 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	den@...nvz.org
Cc:	netdev@...r.kernel.org, devel@...nvz.org
Subject: Re: [PATCH 6/8 net-2.6.25] [ARP] neigh_parms_put(destroy) are
 essentially local to core/neighbour.c.

From: "Denis V. Lunev" <den@...nvz.org>
Date: Mon, 14 Jan 2008 17:59:59 +0300

> Make them static.
> 
> Signed-off-by: Denis V. Lunev <den@...nvz.org>

It's completely awkward to put the inline after all
the call sites.  A non-global-optimizing compiler
won't be able to even inline it.

I've reworked this patch as follows when applying
it.

diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index a0d42a5..ebbfb50 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -213,7 +213,6 @@ extern struct neighbour 	*neigh_event_ns(struct neigh_table *tbl,
 
 extern struct neigh_parms	*neigh_parms_alloc(struct net_device *dev, struct neigh_table *tbl);
 extern void			neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms);
-extern void			neigh_parms_destroy(struct neigh_parms *parms);
 extern unsigned long		neigh_rand_reach_time(unsigned long base);
 
 extern void			pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
@@ -254,12 +253,6 @@ static inline void __neigh_parms_put(struct neigh_parms *parms)
 	atomic_dec(&parms->refcnt);
 }
 
-static inline void neigh_parms_put(struct neigh_parms *parms)
-{
-	if (atomic_dec_and_test(&parms->refcnt))
-		neigh_parms_destroy(parms);
-}
-
 static inline struct neigh_parms *neigh_parms_clone(struct neigh_parms *parms)
 {
 	atomic_inc(&parms->refcnt);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 9b0b773..7cc772a 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -577,6 +577,13 @@ static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
 	return -ENOENT;
 }
 
+static void neigh_parms_destroy(struct neigh_parms *parms);
+
+static inline void neigh_parms_put(struct neigh_parms *parms)
+{
+	if (atomic_dec_and_test(&parms->refcnt))
+		neigh_parms_destroy(parms);
+}
 
 /*
  *	neighbour must already be out of the table;
@@ -1348,7 +1355,7 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms)
 	NEIGH_PRINTK1("neigh_parms_release: not found\n");
 }
 
-void neigh_parms_destroy(struct neigh_parms *parms)
+static void neigh_parms_destroy(struct neigh_parms *parms)
 {
 	release_net(parms->net);
 	if (parms->dev)
--
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