netdev - Re: Sending big Netlink messages to userspace

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Message-ID: <20080626100110.GL20815@postel.suug.ch>
Date:	Thu, 26 Jun 2008 12:01:10 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Julius Volz <juliusv@...gle.com>
Cc:	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	Vince Busam <vbusam@...gle.com>
Subject: Re: Sending big Netlink messages to userspace

* Julius Volz <juliusv@...gle.com> 2008-06-25 20:56
> So userspace now gets one callback invocation per part of a multipart
> message. I guess it's not possible to aggregate the data into just one
> callback invocation?

Typically the aggregation is done when multipart messages are fed into
a cache/collection which is then provided to the caller. This requires
the caller to implement object and cache operations and is based on
the assumption that a single netlink message represents a single object.

In your case I'd suggest to do the aggregation on your own.
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