From: David S. Miller <davem@davemloft.net>
Date: Mon, 29 Feb 2016 22:02:34 +0000 (-0500)
Subject: Merge branch 'sch-accurate-backlog'
X-Git-Tag: v4.9.8~2476^2~169
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0affa19589bb198c15670af3b6a0d39b1b1755a;p=platform%2Fkernel%2Flinux-rpi3.git

Merge branch 'sch-accurate-backlog'

Cong Wang says:

====================
net_sched: update backlog for hierarchical qdisc's

For hierarchical qdisc like HTB, we currently only update its qlen
but leave its backlog as zero:

    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.

v3: rebase and fix the n==0 case for qdisc_tree_reduce_backlog()
v2: rebase and update changelog, not code change
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
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c0affa19589bb198c15670af3b6a0d39b1b1755a