netdev - Re: [patch net-next v3 02/10] net: sched: introduce tcf block infractructure

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Date:   Tue, 16 May 2017 17:34:04 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     jiri@...nulli.us, netdev@...r.kernel.org, jhs@...atatu.com,
        dsa@...ulusnetworks.com, edumazet@...gle.com,
        stephen@...workplumber.org, daniel@...earbox.net,
        alexander.h.duyck@...el.com, simon.horman@...ronome.com,
        mlxsw@...lanox.com
Subject: Re: [patch net-next v3 02/10] net: sched: introduce tcf block
 infractructure

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Tue, 16 May 2017 13:51:30 -0700

> On Tue, May 16, 2017 at 10:27 AM, Jiri Pirko <jiri@...nulli.us> wrote:
>> +int tcf_block_get(struct tcf_block **p_block,
>> +                 struct tcf_proto __rcu **p_filter_chain)
>> +{
>> +       struct tcf_block *block = kzalloc(sizeof(*block), GFP_KERNEL);
>> +
>> +       if (!block)
>> +               return -ENOMEM;
>> +       block->p_filter_chain = p_filter_chain;
>> +       *p_block = block;
>> +       return 0;
>> +}
>> +EXPORT_SYMBOL(tcf_block_get);
> 
> 
> XXX_get() is usually for refcnt'ing, here you only allocate
> a block, so please rename it to tcf_block_alloc().

Later in the series he adds refcounting to these objects.

He explained this to Jamal too.