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Date: Fri, 8 Feb 2002 20:18:24 +0100
From: Pavel Machek <pavel@suse.cz>
To: Patrick Mochel <mochel@osdl.org>
Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] read() from driverfs files can read more bytes
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Hi!

> Ok, I agree with your argument concerning read(). 
> 
> Concerning reading/writing from offsets, it's up to the drivers for them 
> to either support it or not. In the files I've done so far, I return 0 if 
> show() is called with an offset. Which will give different results if you 
> read byte-by-byte or an entire chunk. 
> 
> It makes the callbacks simpler, but it is not technically correct. 

[snip solution]

Why not just say those files are character devices? It is okay for
character device to behave like crazy ;-).
									Pavel
-- 
(about SSSCA) "I don't say this lightly.  However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
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