[Patch net-next 0/4] net_sched: update backlog for hierarchical qdisc's

[Cong Wang <xiyou.wangcong@gmail.com>]

For hierarchical qdisc like HTB, we currently only update its qlen
but leave its backlog as zero, it is really odd to see:

    qdisc htb 1: dev eth0 root refcnt 2 r2q 10 default 1 direct_packets_stat 0 ver 3.17
     Sent 172680457356 bytes 222469449 pkt (dropped 0, overlimits 123575834 requeues 0)
     backlog 0b 72p requeues 0

This patchset makes backlog as accurate as qlen.

Cong Wang (4):
  net_sched: introduce qdisc_replace() helper
  net_sched: update hierarchical backlog too
  sch_htb: update backlog as well
  sch_dsmark: update backlog as well

 include/net/codel.h       |  4 ++++
 include/net/sch_generic.h | 20 +++++++++++++++++++-
 net/sched/sch_api.c       |  6 ++++--
 net/sched/sch_cbq.c       | 12 ++++--------
 net/sched/sch_choke.c     |  6 ++++--
 net/sched/sch_codel.c     | 10 ++++++----
 net/sched/sch_drr.c       |  9 +++------
 net/sched/sch_dsmark.c    | 11 ++++-------
 net/sched/sch_fq.c        |  4 +++-
 net/sched/sch_fq_codel.c  | 17 ++++++++++++-----
 net/sched/sch_hfsc.c      |  9 +++------
 net/sched/sch_hhf.c       | 10 +++++++---
 net/sched/sch_htb.c       | 24 +++++++++++-------------
 net/sched/sch_multiq.c    | 16 ++++++----------
 net/sched/sch_netem.c     | 13 +++----------
 net/sched/sch_pie.c       |  5 +++--
 net/sched/sch_prio.c      | 15 +++++----------
 net/sched/sch_qfq.c       |  9 +++------
 net/sched/sch_red.c       | 10 +++-------
 net/sched/sch_sfb.c       | 10 +++-------
 net/sched/sch_sfq.c       | 16 +++++++++-------
 net/sched/sch_tbf.c       | 15 ++++++---------
 22 files changed, 125 insertions(+), 126 deletions(-)

-- 
1.8.3.1