Re: [PATCH] ext3: Use DIV_ROUND_UP() on group desc block counting

[Jan Kara]

On Mon 11-10-10 19:38:39, Namhyung Kim wrote:
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
  OK. Merged.

								Honza
> ---
>  fs/ext3/super.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ext3/super.c b/fs/ext3/super.c
> index 75bbf77..3fce402 100644
> --- a/fs/ext3/super.c
> +++ b/fs/ext3/super.c
> @@ -1864,8 +1864,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
>  	sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
>  			       le32_to_cpu(es->s_first_data_block) - 1)
>  				       / EXT3_BLOCKS_PER_GROUP(sb)) + 1;
> -	db_count = (sbi->s_groups_count + EXT3_DESC_PER_BLOCK(sb) - 1) /
> -		   EXT3_DESC_PER_BLOCK(sb);
> +	db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb));
>  	sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
>  				    GFP_KERNEL);
>  	if (sbi->s_group_desc == NULL) {
> -- 
> 1.7.0.4
> 
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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