[NET_SCHED]: Eliminate qdisc_tree_lock

Since we're now holding the rtnl during the entire dump operation, we
can remove qdisc_tree_lock, whose only purpose is to protect dump
callbacks from concurrent changes to the qdisc tree.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index b2cc9a8ed4e7..5754d53d9efc 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -13,8 +13,6 @@ struct qdisc_walker
         int     (*fn)(struct Qdisc *, unsigned long cl, struct qdisc_walker *);
 };
 
-extern rwlock_t qdisc_tree_lock;
-
 #define QDISC_ALIGNTO           32
 #define QDISC_ALIGN(len)        (((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1))