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

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Date:	Mon, 28 Mar 2011 14:41:15 +0200 (CEST)
From:	Lukas Czerner <lczerner@...hat.com>
To:	Lukas Czerner <lczerner@...hat.com>
cc:	Tao Ma <tm@....ma>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: Remove redundant check for first_not_zeroed in
 ext4_register_li_request.

On Mon, 28 Mar 2011, Lukas Czerner wrote:

> 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.
> > 
> > Signed-off-by: Tao Ma <boyu.mt@...bao.com>
> > ---
> >  fs/ext4/super.c |    5 -----
> >  1 files changed, 0 insertions(+), 5 deletions(-)
> > 
> > diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> > index 2d1378f..37448a7 100644
> > --- a/fs/ext4/super.c
> > +++ b/fs/ext4/super.c
> > @@ -2953,11 +2953,6 @@ static int ext4_register_li_request(struct super_block *sb,
> >  		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)
> >  		return -ENOMEM;
> > 
> 
> Patch looks good.
> 
> Thanks!
> -Lukas

Just one tiny thing, we do not even need to set
sbi->s_li_request = NULL since it is NULL already and we check that
in the beginning of the function.

Thanks!
-Lukas
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