From d562f1f8a92035d5d4681c178fccb991ce57f33a Mon Sep 17 00:00:00 2001
From: Robert Olsson <robert.olsson@its.uu.se>
Date: Mon, 26 Mar 2007 14:22:22 -0700
Subject: [PATCH] [IPV4] fib_trie: Document locking.
Paul E. McKenney writes:
> Those of use who dive into networking only occasionally would much
> appreciate this. ;-)
No problem here...
Acked-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> (but trivial)
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/fib_trie.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ada9b3db507d..214c34732e84 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1123,6 +1123,9 @@ err:
return fa_head;
}
+/*
+ * Caller must hold RTNL.
+ */
static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
{
struct trie *t = (struct trie *) tb->tb_data;
@@ -1540,6 +1543,9 @@ static int trie_leaf_remove(struct trie *t, t_key key)
return 1;
}
+/*
+ * Caller must hold RTNL.
+ */
static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
{
struct trie *t = (struct trie *) tb->tb_data;
@@ -1718,6 +1724,9 @@ up:
return NULL; /* Ready. Root of trie */
}
+/*
+ * Caller must hold RTNL.
+ */
static int fn_trie_flush(struct fib_table *tb)
{
struct trie *t = (struct trie *) tb->tb_data;
--
2.20.1