Signed-off-by: Vasily Averin <v...@virtuozzo.com>
---
 fs/lockd/svc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 809cbcc..2a48558 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -690,6 +690,17 @@ static int lockd_init_net(struct net *net)
 
 static void lockd_exit_net(struct net *net)
 {
+       struct lockd_net *ln = net_generic(net, lockd_net_id);
+
+       WARN_ONCE(!list_empty(&ln->lockd_manager.list),
+                 "net %x %s: lockd_manager.list is not empty\n",
+                 net->ns.inum, __func__);
+       WARN_ONCE(!list_empty(&ln->nsm_handles),
+                 "net %x %s: nsm_handles list is not empty\n",
+                 net->ns.inum, __func__);
+       WARN_ONCE(delayed_work_pending(&ln->grace_period_end),
+                 "net %x %s: grace_period_end was not cancelled\n",
+                 net->ns.inum, __func__);
 }
 
 static struct pernet_operations lockd_net_ops = {
-- 
2.7.4

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