From: David S. Miller <davem@davemloft.net>
Date: Thu, 17 Jul 2008 11:54:10 +0000 (-0700)
Subject: pkt_sched: Add multiqueue handling to qdisc_graft().
X-Git-Tag: v2.6.27-rc1~969^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99194cff398d056e5ee469647c294466c246c88a;p=pandora-kernel.git

pkt_sched: Add multiqueue handling to qdisc_graft().

Move the destruction of the old queue into qdisc_graft().

When operating on a root qdisc (ie. "parent == NULL"), apply
the operation to all queues.  The caller has grabbed a single
implicit reference for this graft, therefore when we apply the
change to more than one queue we must grab additional qdisc
references.

Otherwise, we are operating on a class of a specific parent qdisc, and
therefore no multiqueue handling is necessary.

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