net_sched: use idr to allocate u32 filter handles
Instead of calling u32_lookup_ht() in a loop to find a unused handle, just switch to idr API to allocate new handles. u32 filters are special as the handle could contain a hash table id and a key id, so we need two IDR to allocate each of them. Cc: Chris Mi <chrism@mellanox.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by:Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
1d8134fe
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