netdev - Re: Fwd: [PATCH] [-mm] ACPI: export ACPI events via netlink

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Message-ID: <46890DF8.2020706@trash.net>
Date:	Mon, 02 Jul 2007 16:38:48 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Johannes Berg <johannes@...solutions.net>
CC:	hadi@...erus.ca, Zhang Rui <rui.zhang@...el.com>,
	netdev@...r.kernel.org,
	"linux-acpi@...r" <linux-acpi@...r.kernel.org>, lenb@...nel.org,
	Thomas Graf <tgraf@...g.ch>
Subject: Re: Fwd: [PATCH] [-mm] ACPI: export ACPI events via netlink

Johannes Berg wrote:
> On Mon, 2007-07-02 at 14:56 +0200, Patrick McHardy wrote:
> 
>>The main reason to use nested attributes is when you only have a
>>single attribute to store your data in (for example TCA_OPTIONS
>>for qdiscs). In that case a nested attribute should be used to
>>allow to extend it in the future. Below that nested attribute
>>you could put a struct of course.
> 
> 
> Right, but that's not applicable to this unless I'm misunderstanding
> you.


Not really, it already uses a nested top-level attribute.

>>In this case I think using a string attribute instead of a fixed
>>sized structure also makes sense for a different reason. Its
>>unlikely that groups will really use the maximum name length
>>allowed, so it should save some bandwidth.
> 
> 
> I suppose if I put (ID,name) into the struct it needn't be fixed-size
> length, but I dislike that as well.


Me too.

> Do I understand you correctly in that you prefer the way I did it now?


Yes.
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