netdev - Re: [patch net-next 1/5] team: add support for per-port options

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Message-ID: <20120411054023.GA1955@minipsycho>
Date:	Wed, 11 Apr 2012 07:43:51 +0200
From:	Jiri Pirko <jpirko@...hat.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [patch net-next 1/5] team: add support for per-port options

Tue, Apr 10, 2012 at 08:33:56PM CEST, davem@...emloft.net wrote:
>From: Jiri Pirko <jpirko@...hat.com>
>Date: Tue, 10 Apr 2012 17:15:42 +0200
>
>> @@ -81,7 +81,16 @@ EXPORT_SYMBOL(team_port_set_team_mac);
>>   * Options handling
>>   *******************/
>>  
>> -struct team_option *__team_find_option(struct team *team, const char *opt_name)
>> +struct team_option_inst { /* One for each option instance */
>> +	struct list_head list;
>> +	struct team_option *option;
>> +	struct team_port *port; /* != NULL if per-port */
>> +	bool changed;
>> +	bool removed;
>> +};
>> +
>
>All this indirection... just simply embed struct team_option into
>struct team_option_inst instead of using a pointer, and allocate a
>full team_option_inst where you currently memdup in the options.

Well the list of options is needed alone. When port is added/removed, this list
gets iterated over and instances are created/deleted. Therefore I put
pointer to option to option instance struct to save memory (and also to
be nicer)
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