linux-kernel - Re: number of elements or bytes for kfifo

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Message-ID: <1282177950.2744.1587.camel@yhuang-dev>
Date:	Thu, 19 Aug 2010 08:32:30 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Stefani Seibold <stefani@...bold.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: number of elements or bytes for kfifo_in etc

Hi, Stefani,

On Thu, 2010-08-19 at 00:35 +0800, Stefani Seibold wrote:
> Am Mittwoch, den 18.08.2010, 13:29 +0800 schrieb Huang Ying:
> > Hi, Stefani,
> > 
> > In new kfifo implementation in 2.6.36-rc1, description of the third
> > parameter is:
> > 
> > "@n: number of elements to be added"
> > 
> > But if my understanding is correct, the actual implementation is:
> > 
> > "@n: number of bytes to be added"
> > 
> 
> Number of bytes is wrong, this is only valid for byte stream fifo's
> where an element is a byte.
> 
> Have a look at samples/kfifo/inttype-example.c where an element is a int
> type.

Yes. You are right. I misunderstood your code. Sorry for bothering.

Best Regards,
Huang Ying


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