linux-kernel - Re: [PATCHv6 3/3] mmc_test: collect data and show it via sysfs by demand

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Date:	Thu, 9 Sep 2010 08:51:58 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Greg KH <greg@...ah.com>
Cc:	Chris Ball <cjb@...top.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hunter Adrian <adrian.hunter@...ia.com>,
	Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
Subject: Re: [PATCHv6 3/3] mmc_test: collect data and show it via sysfs by demand

On Thu, Sep 9, 2010 at 6:59 AM, Greg KH <greg@...ah.com> wrote:
> Why is this in sysfs at all anyway?
I don't know. The author of module should be asked.

> Why not put it in debugfs?
I thought about this. I even have somewhere a draft patch.

> And for every sysfs file, you need to have a Documenation/ABI/ entry.
>
> Remember, sysfs is "one value per file".  Does that work with this file?
> At first glance, it doesn't look like it.
>
> Please use debugfs instead.
I guess to optimize a work I may do another patch which shifts from
sysfs to debugfs.

-- 
With Best Regards,
Andy Shevchenko
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