linux-ext4 - Re: [PATCH v2] ext4: Remove redundant check for first_not_zeroed in ext4_register_li

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Date:	Mon, 28 Mar 2011 16:13:05 +0200 (CEST)
From:	Lukas Czerner <lczerner@...hat.com>
To:	Tao Ma <tm@....ma>
cc:	linux-ext4@...r.kernel.org, Lukas Czerner <lczerner@...hat.com>
Subject: Re: [PATCH v2] ext4: Remove redundant check for first_not_zeroed in
 ext4_register_li_request.

On Mon, 28 Mar 2011, Tao Ma wrote:

> From: Tao Ma <boyu.mt@...bao.com>
> 
> We have checked first_not_zeroed == ngroups already above,
> so remove this redundant check.
> 
> sbi->s_li_request = NULL above is also removed since
> it is NULL already.
> 
> Cc: Lukas Czerner <lczerner@...hat.com>
> Signed-off-by: Tao Ma <boyu.mt@...bao.com>
> ---
>  fs/ext4/super.c |    9 +--------
>  1 files changed, 1 insertions(+), 8 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 2d1378f..c5a48dc 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -2948,15 +2948,8 @@ static int ext4_register_li_request(struct super_block *sb,
>  
>  	if (first_not_zeroed == ngroups ||
>  	    (sb->s_flags & MS_RDONLY) ||
> -	    !test_opt(sb, INIT_INODE_TABLE)) {
> -		sbi->s_li_request = NULL;
> +	    !test_opt(sb, INIT_INODE_TABLE))
>  		return 0;
> -	}
> -
> -	if (first_not_zeroed == ngroups) {
> -		sbi->s_li_request = NULL;
> -		return 0;
> -	}
>  
>  	elr = ext4_li_request_new(sb, first_not_zeroed);
>  	if (!elr)
> 

The patch look good, thanks for cleaning that up.

-Lukas
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