linux-kernel - [PATCH v4 2/8] SUNRPC: use rpcbind reference counting helpers

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Message-ID: <20110920101349.9861.42381.stgit@localhost6.localdomain6>
Date:	Tue, 20 Sep 2011 14:13:49 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	Trond.Myklebust@...app.com
Cc:	linux-nfs@...r.kernel.org, xemul@...allels.com, neilb@...e.de,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	bfields@...ldses.org, davem@...emloft.net
Subject: [PATCH v4 2/8] SUNRPC: use rpcbind reference counting helpers

All is simple: we just increase users counter if rpcbind clients has been
created already. Otherwise we create them and set users counter to 1.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>

---
 net/sunrpc/rpcb_clnt.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 8724780..83634e0 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -255,9 +255,7 @@ static int rpcb_create_local_unix(void)
 		clnt4 = NULL;
 	}
 
-	/* Protected by rpcb_create_local_mutex */
-	rpcb_local_clnt = clnt;
-	rpcb_local_clnt4 = clnt4;
+	rpcb_set_local(clnt, clnt4);
 
 out:
 	return result;
@@ -309,9 +307,7 @@ static int rpcb_create_local_net(void)
 		clnt4 = NULL;
 	}
 
-	/* Protected by rpcb_create_local_mutex */
-	rpcb_local_clnt = clnt;
-	rpcb_local_clnt4 = clnt4;
+	rpcb_set_local(clnt, clnt4);
 
 out:
 	return result;
@@ -326,11 +322,11 @@ static int rpcb_create_local(void)
 	static DEFINE_MUTEX(rpcb_create_local_mutex);
 	int result = 0;
 
-	if (rpcb_local_clnt)
+	if (rpcb_get_local())
 		return result;
 
 	mutex_lock(&rpcb_create_local_mutex);
-	if (rpcb_local_clnt)
+	if (rpcb_get_local())
 		goto out;
 
 	if (rpcb_create_local_unix() != 0)

--
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