netdev - Re: [PATCH 1/5 2.6.21-rc4] l2tp: pppol2tp core

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Date:	Tue, 27 Mar 2007 13:32:09 +0200
From:	Ingo Oeser <netdev@...eo.de>
To:	James Chapman <jchapman@...alix.com>
Cc:	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/5 2.6.21-rc4] l2tp: pppol2tp core

Hi James,

James Chapman schrieb:
> I thought seq_printf handled large output (multiple pages)? I am aware 
> of the page size limitation of raw proc handlers.

No. It does detect the limitation, discards your output an lets you try again,
when the next invocation of *_show()  has enough buffer space.
seq_puts() behaves the same. So you simply do this:

if (seq_puts(m, "text\n"))
	goto no_space;

Regards

Ingo Oeser
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