netdev - [PATCH v1 net-next 14/14] net: Remove ->exit_batch

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Message-ID: <20250410022004.8668-15-kuniyu@amazon.com>
Date: Wed, 9 Apr 2025 19:19:35 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>
CC: Simon Horman <horms@...nel.org>, Kuniyuki Iwashima <kuniyu@...zon.com>,
	Kuniyuki Iwashima <kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v1 net-next 14/14] net: Remove ->exit_batch_rtnl().

There are no ->exit_batch_rtnl() users remaining.

Let's remove the hook.

Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
 include/net/net_namespace.h | 2 --
 net/core/net_namespace.c    | 8 +-------
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index b071e6eed9d5..025a7574b275 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -477,8 +477,6 @@ struct pernet_operations {
 	/* Following method is called with RTNL held. */
 	void (*exit_rtnl)(struct net *net,
 			  struct list_head *dev_kill_list);
-	void (*exit_batch_rtnl)(struct list_head *net_exit_list,
-				struct list_head *dev_kill_list);
 	unsigned int * const id;
 	const size_t size;
 };
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 7ea818342721..9ab3ba930d76 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -185,12 +185,6 @@ static void ops_exit_rtnl_list(const struct list_head *ops_list,
 		__rtnl_net_unlock(net);
 	}
 
-	ops = saved_ops;
-	list_for_each_entry_continue_reverse(ops, ops_list, list) {
-		if (ops->exit_batch_rtnl)
-			ops->exit_batch_rtnl(net_exit_list, &dev_kill_list);
-	}
-
 	unregister_netdevice_many(&dev_kill_list);
 
 	rtnl_unlock();
@@ -263,7 +257,7 @@ static void ops_undo_list(const struct list_head *ops_list,
 static void ops_undo_single(struct pernet_operations *ops,
 			    struct list_head *net_exit_list)
 {
-	bool hold_rtnl = ops->exit_rtnl || ops->exit_batch_rtnl;
+	bool hold_rtnl = !!ops->exit_rtnl;
 	LIST_HEAD(ops_list);
 
 	list_add(&ops->list, &ops_list);
-- 
2.49.0