linux-kernel - Re: [PATCH 1/1] fs: Small refactoring of the code in ext4 2.6.37-rc1

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Message-ID: <20101105125211.GH7553@thunk.org>
Date:	Fri, 5 Nov 2010 08:52:11 -0400
From:	Ted Ts'o <tytso@....edu>
To:	André Luis Pereira dos Santos -
	 BSRSoft <andre@...soft.com.br>
Cc:	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] fs: Small refactoring of the code in ext4
 2.6.37-rc1

On Thu, Nov 04, 2010 at 04:34:26PM -0700, André Luis Pereira dos Santos - BSRSoft wrote:
> 
> I had not realized that the side effect would really be changing
> variables incremented and decremented.

You're also wrong if you think that "i--" is more efficient than "i =
i - 1".  Any good compiler will do the right thing with either
expression.

       	    	     	       	    	      - Ted
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