net: sched: introduce block mechanism to handle netif_keep_dst calls
Couple of classifiers call netif_keep_dst directly on q->dev. That is not possible to do directly for shared blocke where multiple qdiscs are owning the block. So introduce a infrastructure to keep track of the block owners in list and use this list to implement block variant of netif_keep_dst. Signed-off-by:Jiri Pirko <jiri@mellanox.com> Acked-by:
Jamal Hadi Salim <jhs@mojatatu.com> Acked-by:
David Ahern <dsahern@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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9d3aaff3
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