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-rw-r--r--fs/nfs_common/grace.c6
-rw-r--r--fs/nfsd/nfs4state.c7
2 files changed, 9 insertions, 4 deletions
diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c
index bd3e2d328e64..5be08f02a76b 100644
--- a/fs/nfs_common/grace.c
+++ b/fs/nfs_common/grace.c
@@ -30,7 +30,11 @@ locks_start_grace(struct net *net, struct lock_manager *lm)
struct list_head *grace_list = net_generic(net, grace_net_id);
spin_lock(&grace_lock);
- list_add(&lm->list, grace_list);
+ if (list_empty(&lm->list))
+ list_add(&lm->list, grace_list);
+ else
+ WARN(1, "double list_add attempt detected in net %x %s\n",
+ net->ns.inum, (net == &init_net) ? "(init_net)" : "");
spin_unlock(&grace_lock);
}
EXPORT_SYMBOL_GPL(locks_start_grace);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 73451436c1c2..b29b5a185a2c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -7103,6 +7103,10 @@ static int nfs4_state_create_net(struct net *net)
INIT_LIST_HEAD(&nn->sessionid_hashtbl[i]);
nn->conf_name_tree = RB_ROOT;
nn->unconf_name_tree = RB_ROOT;
+ nn->boot_time = get_seconds();
+ nn->grace_ended = false;
+ nn->nfsd4_manager.block_opens = true;
+ INIT_LIST_HEAD(&nn->nfsd4_manager.list);
INIT_LIST_HEAD(&nn->client_lru);
INIT_LIST_HEAD(&nn->close_lru);
INIT_LIST_HEAD(&nn->del_recall_lru);
@@ -7160,9 +7164,6 @@ nfs4_state_start_net(struct net *net)
ret = nfs4_state_create_net(net);
if (ret)
return ret;
- nn->boot_time = get_seconds();
- nn->grace_ended = false;
- nn->nfsd4_manager.block_opens = true;
locks_start_grace(net, &nn->nfsd4_manager);
nfsd4_client_tracking_init(net);
printk(KERN_INFO "NFSD: starting %ld-second grace period (net %x)\n",