linux-kernel - Re: Exporting array data in sysfs

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Message-ID: <d120d5000609180841v436f7a32l78b26fc72f48f92a@mail.gmail.com>
Date:	Mon, 18 Sep 2006 11:41:06 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Rolf Eike Beer" <eike-kernel@...tec.de>
Cc:	"Greg KH" <greg@...ah.com>, linux-kernel@...r.kernel.org
Subject: Re: Exporting array data in sysfs

On 9/18/06, Rolf Eike Beer <eike-kernel@...tec.de> wrote:
> Dmitry Torokhov wrote:
> > On 9/18/06, Rolf Eike Beer <eike-kernel@...tec.de> wrote:
> >>Dmitry Torokhov wrote:
>
> >>> http://www.ussg.iu.edu/hypermail/linux/kernel/0503.2/1155.html
>
> >> The limitation to 999 entries should go.
> >
> > It is not really a limitation but rather a safeguard. Do you really
> > expect to have arrays with that many attributes?
>
> At least I don't know how much they will be. If the user wants to do crazy
> things... :) I'm currently hacking on a store_n implementation, perhaps I'll
> be able to show some code tomorrow.
>

I do not think you shoudl allow user do crazy things. The memory is
kmalloced so there naturally a limit on number of attrinutes that can
be created. And I am not sure abot usefulness of resizing form
usespace.
Could you give me an example of a user who needs dynamic attribute arrays?

-- 
Dmitry
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