linux-kernel - [PATCH 5/6] LockD: make NSM network namespace aware

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Message-ID: <20120131110821.14364.57585.stgit@localhost6.localdomain6>
Date:	Tue, 31 Jan 2012 15:08:21 +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,
	jbottomley@...allels.com, bfields@...ldses.org,
	davem@...emloft.net, devel@...nvz.org
Subject: [PATCH 5/6] LockD: make NSM network namespace aware

NLM host is network namespace aware now.
So NSM have to take it into account.

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

---
 fs/lockd/mon.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index c196030..7ef14b3 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -62,14 +62,14 @@ static inline struct sockaddr *nsm_addr(const struct nsm_handle *nsm)
 	return (struct sockaddr *)&nsm->sm_addr;
 }
 
-static struct rpc_clnt *nsm_create(void)
+static struct rpc_clnt *nsm_create(struct net *net)
 {
 	struct sockaddr_in sin = {
 		.sin_family		= AF_INET,
 		.sin_addr.s_addr	= htonl(INADDR_LOOPBACK),
 	};
 	struct rpc_create_args args = {
-		.net			= &init_net,
+		.net			= net,
 		.protocol		= XPRT_TRANSPORT_UDP,
 		.address		= (struct sockaddr *)&sin,
 		.addrsize		= sizeof(sin),
@@ -83,7 +83,8 @@ static struct rpc_clnt *nsm_create(void)
 	return rpc_create(&args);
 }
 
-static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
+static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
+			 struct net *net)
 {
 	struct rpc_clnt	*clnt;
 	int		status;
@@ -99,7 +100,7 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
 		.rpc_resp	= res,
 	};
 
-	clnt = nsm_create();
+	clnt = nsm_create(net);
 	if (IS_ERR(clnt)) {
 		status = PTR_ERR(clnt);
 		dprintk("lockd: failed to create NSM upcall transport, "
@@ -149,7 +150,7 @@ int nsm_monitor(const struct nlm_host *host)
 	 */
 	nsm->sm_mon_name = nsm_use_hostnames ? nsm->sm_name : nsm->sm_addrbuf;
 
-	status = nsm_mon_unmon(nsm, NSMPROC_MON, &res);
+	status = nsm_mon_unmon(nsm, NSMPROC_MON, &res, host->net);
 	if (unlikely(res.status != 0))
 		status = -EIO;
 	if (unlikely(status < 0)) {
@@ -183,7 +184,7 @@ void nsm_unmonitor(const struct nlm_host *host)
 	 && nsm->sm_monitored && !nsm->sm_sticky) {
 		dprintk("lockd: nsm_unmonitor(%s)\n", nsm->sm_name);
 
-		status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res);
+		status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res, host->net);
 		if (res.status != 0)
 			status = -EIO;
 		if (status < 0)

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