From 840a185dddfd098b78b96a30da4cad722a7aef18 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 29 Oct 2010 01:15:29 +0000
Subject: [PATCH] aoe: remove dev_base_lock use from aoecmd_cfg_pkts()
dev_base_lock is the legacy way to lock the device list, and is planned
to disappear. (writers hold RTNL, readers hold RCU lock)
Convert aoecmd_cfg_pkts() to RCU locking.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/block/aoe/aoecmd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 5674bd01d96d..de0435e63b02 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -297,8 +297,8 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
struct sk_buff *skb;
struct net_device *ifp;
- read_lock(&dev_base_lock);
- for_each_netdev(&init_net, ifp) {
+ rcu_read_lock();
+ for_each_netdev_rcu(&init_net, ifp) {
dev_hold(ifp);
if (!is_aoe_netif(ifp))
goto cont;
@@ -325,7 +325,7 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
cont:
dev_put(ifp);
}
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
}
static void
--
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