[PATCH 1/8] nfsd: move per-net startup code to separated function

[Stanislav Kinsbursky]

NFSd resources are partially per-net and partially globally used.
This patch splits resources init and shutdown and moves per-net code to
separated functions.
Generic and per-net init and shutdown are called sequentially for a while.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
---
 fs/nfsd/nfssvc.c |   48 +++++++++++++++++++++++++++++++++---------------
 1 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index b144658..038348b 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -203,6 +203,27 @@ static int nfsd_init_socks(struct net *net)
 
 static bool nfsd_up = false;
 
+static int nfsd_startup_net(struct net *net)
+{
+	int ret;
+
+	ret = nfsd_init_socks(net);
+	if (ret)
+		return ret;
+	ret = lockd_up(net);
+	if (ret)
+		return ret;
+	ret = nfs4_state_start_net(net);
+	if (ret)
+		goto out_lockd;
+
+	return 0;
+
+out_lockd:
+	lockd_down(net);
+	return ret;
+}
+
 static int nfsd_startup(int nrservs, struct net *net)
 {
 	int ret;
@@ -217,31 +238,29 @@ static int nfsd_startup(int nrservs, struct net *net)
 	ret = nfsd_racache_init(2*nrservs);
 	if (ret)
 		return ret;
-	ret = nfsd_init_socks(net);
-	if (ret)
-		goto out_racache;
-	ret = lockd_up(net);
-	if (ret)
-		goto out_racache;
 	ret = nfs4_state_start();
 	if (ret)
-		goto out_lockd;
-
-	ret = nfs4_state_start_net(net);
+		goto out_racache;
+	ret = nfsd_startup_net(net);
 	if (ret)
-		goto out_net_state;
+		goto out_net;
 
 	nfsd_up = true;
 	return 0;
-out_net_state:
+
+out_net:
 	nfs4_state_shutdown();
-out_lockd:
-	lockd_down(net);
 out_racache:
 	nfsd_racache_shutdown();
 	return ret;
 }
 
+static void nfsd_shutdown_net(struct net *net)
+{
+	nfs4_state_shutdown_net(net);
+	lockd_down(net);
+}
+
 static void nfsd_shutdown(struct net *net)
 {
 	/*
@@ -252,9 +271,8 @@ static void nfsd_shutdown(struct net *net)
 	 */
 	if (!nfsd_up)
 		return;
-	nfs4_state_shutdown_net(net);
+	nfsd_shutdown_net(net);
 	nfs4_state_shutdown();
-	lockd_down(net);
 	nfsd_racache_shutdown();
 	nfsd_up = false;
 }

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