tree a281f8611679c93c39cf6e9ff1e5b4121cbb8011
parent 53049978df1d9ae55bf397c9879e6b33218352db
author David S. Miller <davem@davemloft.net> 1216203144 -0700
committer David S. Miller <davem@davemloft.net> 1216347688 -0700

pkt_sched: Rework {sch,tbf}_tree_lock().

Make sch_tree_lock() lock the qdisc's root.  All of the
users hold the RTNL semaphore and the root qdisc is not
changing.

Implement tbf_tree_{lock,unlock}() simply in terms of
sch_tree_{lock,unlock}().

Signed-off-by: David S. Miller <davem@davemloft.net>