[PATCH v2 08/15] LockD: make lockd manager allocated per networknamespace

[Stanislav Kinsbursky]

Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
---
 fs/lockd/netns.h |    2 ++
 fs/lockd/svc.c   |   18 ++++++++++--------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 94653ae..e78650c 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -1,6 +1,7 @@
 #ifndef __LOCKD_NETNS_H__
 #define __LOCKD_NETNS_H__
 
+#include <linux/fs.h>
 #include <net/netns/generic.h>
 
 struct lockd_net {
@@ -9,6 +10,7 @@ struct lockd_net {
 	unsigned long nrhosts;
 
 	struct delayed_work grace_period_end;
+	struct lock_manager lockd_manager;
 };
 
 extern int lockd_net_id;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 70c4177..a9c436b 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -87,12 +87,14 @@ static unsigned long get_lockd_grace_period(void)
 		return nlm_timeout * 5 * HZ;
 }
 
-static struct lock_manager lockd_manager = {
-};
-
-static void grace_ender(struct work_struct *not_used)
+static void grace_ender(struct work_struct *grace)
 {
-	locks_end_grace(&lockd_manager);
+	struct delayed_work *dwork = container_of(grace, struct delayed_work,
+						  work);
+	struct lockd_net *ln = container_of(dwork, struct lockd_net,
+					    grace_period_end);
+
+	locks_end_grace(&ln->lockd_manager);
 }
 
 static void set_grace_period(void)
@@ -100,7 +102,7 @@ static void set_grace_period(void)
 	unsigned long grace_period = get_lockd_grace_period();
 	struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
-	locks_start_grace(&lockd_manager);
+	locks_start_grace(&ln->lockd_manager);
 	cancel_delayed_work_sync(&ln->grace_period_end);
 	schedule_delayed_work(&ln->grace_period_end, grace_period);
 }
@@ -111,7 +113,7 @@ static void restart_grace(void)
 		struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
 		cancel_delayed_work_sync(&ln->grace_period_end);
-		locks_end_grace(&lockd_manager);
+		locks_end_grace(&ln->lockd_manager);
 		nlmsvc_invalidate_all();
 		set_grace_period();
 	}
@@ -187,7 +189,7 @@ lockd(void *vrqstp)
 	}
 	flush_signals(current);
 	cancel_delayed_work_sync(&ln->grace_period_end);
-	locks_end_grace(&lockd_manager);
+	locks_end_grace(&ln->lockd_manager);
 	if (nlmsvc_ops)
 		nlmsvc_invalidate_all();
 	nlm_shutdown_hosts();

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