Re: [PATCH] ext2: fix error msg when mounting fs with too-large blocksize

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On 4/24/11 1:36 AM, Robin Dong wrote:
> From: Robin Dong <sanbai@xxxxxxxxxx>
> 
> When ext2 mounts a filesystem, it attempts to set the block device
> blocksize with a call to sb_set_blocksize, which can fail for
> several reasons.  The current failure message in ext2 prints:
> 
>   EXT2-fs (loop1): error: blocksize is too small
> 
> which is not correct in all cases.  This can be demonstrated
> by creating a filesystem with
> 
>   # mkfs.ext2 -b 8192
> 
> on a 4k page system, and attempting to mount it.
> 
> Change the error message to a more generic:
> 
>   EXT2-fs (loop1): bad blocksize 8192
> 
> to match the error message in ext3.

I couldn't have said it better myself :)  As long as you're ok with not having the extra error message you originally had, for now ...

Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>

> Signed-off-by: Robin Dong <sanbai@xxxxxxxxxx>
> ---
>  fs/ext2/super.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index 0a78dae..1dd62ed 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -898,7 +898,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
>  		brelse(bh);
>  
>  		if (!sb_set_blocksize(sb, blocksize)) {
> -			ext2_msg(sb, KERN_ERR, "error: blocksize is too small");
> +			ext2_msg(sb, KERN_ERR,
> +				"error: bad blocksize %d", blocksize);
>  			goto failed_sbi;
>  		}
>  

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