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

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Message-ID: <1282149358.5103.5.camel@wall-e.seibold.net>
Date:	Wed, 18 Aug 2010 18:35:58 +0200
From:	Stefani Seibold <stefani@...bold.net>
To:	Huang Ying <ying.huang@...el.com>
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

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.



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