linux-ext4 - Re: [PATCH] ext4: improve ext4_fill_flex

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Message-ID: <20080724120938.59bd2220@ichigo>
Date:	Thu, 24 Jul 2008 12:09:38 -0500
From:	"Jose R. Santos" <jrs@...ibm.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	"Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: improve ext4_fill_flex_info() a bit

On Thu, 24 Jul 2008 09:30:20 +0800
Li Zefan <lizf@...fujitsu.com> wrote:

> - use kzalloc() instead of kmalloc() + memset()
> - improve a printk info

Nicer - Thanks

Acked-by: Jose R. Santos <jrs@...ibm.com>

> 
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> ---
>  fs/ext4/super.c |    7 +++----
>  1 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 1cb371d..33eab31 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -1506,14 +1506,13 @@ static int ext4_fill_flex_info(struct super_block *sb)
> 
>  	flex_group_count = (sbi->s_groups_count + groups_per_flex - 1) /
>  		groups_per_flex;
> -	sbi->s_flex_groups = kmalloc(flex_group_count *
> +	sbi->s_flex_groups = kzalloc(flex_group_count *
>  				     sizeof(struct flex_groups), GFP_KERNEL);
>  	if (sbi->s_flex_groups == NULL) {
> -		printk(KERN_ERR "EXT4-fs: not enough memory\n");
> +		printk(KERN_ERR "EXT4-fs: not enough memory for "
> +				"%lu flex groups\n", flex_group_count);
>  		goto failed;
>  	}
> -	memset(sbi->s_flex_groups, 0, flex_group_count *
> -	       sizeof(struct flex_groups));
> 
>  	gdp = ext4_get_group_desc(sb, 1, &bh);
>  	block_bitmap = ext4_block_bitmap(sb, gdp) - 1;
--
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