[PATCH RFC v4 0/3] Some optimization for lockless qdisc

[Yunsheng Lin]

Patch 1: remove unnecessary seqcount operation.
Patch 2: implement TCQ_F_CAN_BYPASS.
Patch 3: remove qdisc->empty.

RFC v4: Use STATE_MISSED and STATE_DRAINING to indicate non-empty
        qdisc, and add patch 1 and 3.

Yunsheng Lin (3):
  net: sched: avoid unnecessary seqcount operation for lockless qdisc
  net: sched: implement TCQ_F_CAN_BYPASS for lockless qdisc
  net: sched: remove qdisc->empty for lockless qdisc

 include/net/sch_generic.h | 26 +++++++++++++-------------
 net/core/dev.c            | 22 ++++++++++++++++++++--
 net/sched/sch_generic.c   | 23 ++++++++++++++++-------
 3 files changed, 49 insertions(+), 22 deletions(-)

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2.7.4