sch_hfsc: always keep backlog updated
authorWANG Cong <xiyou.wangcong@gmail.com>
Wed, 1 Jun 2016 23:15:15 +0000 (16:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 3 Jun 2016 23:24:04 +0000 (19:24 -0400)
commit357cc9b4a8a7a0cd0e662537b76e6fa4670b6798
treedbf7ce98bdb63a465539a8b2bade8a4da4fc651d
parent4116def2337991b39919f3b448326e21c40e0dbb
sch_hfsc: always keep backlog updated

hfsc updates backlog lazily, that is only when we
dump the stats. This is problematic after we begin to
update backlog in qdisc_tree_reduce_backlog().

Reported-by: Stas Nichiporovich <stasn77@gmail.com>
Tested-by: Stas Nichiporovich <stasn77@gmail.com>
Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_hfsc.c