Re: [PATCH 1/3] Ext2: remove the overhead check about sb in the function ext2_new_blocks

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On Wed 06-02-13 14:14:26, Wang shilong wrote:
> From: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
> 
> It can be guranteed that inode->i_sb should not be null in vfs.
> So here the check about it is overhead.
  This patch looks good. I've added it to my tree.

								Honza
> 
> Signed-off-by: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
> ---
>  fs/ext2/balloc.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
> index 1c36139..22993a0 100644
> --- a/fs/ext2/balloc.c
> +++ b/fs/ext2/balloc.c
> @@ -1239,10 +1239,6 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal,
>  
>  	*errp = -ENOSPC;
>  	sb = inode->i_sb;
> -	if (!sb) {
> -		printk("ext2_new_blocks: nonexistent device");
> -		return 0;
> -	}
>  
>  	/*
>  	 * Check quota for allocation of this block.
> -- 
> 1.7.11.7
> 
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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