Re: [PATCH] 2.6.15-mm3 - make useless quota error message informative

[Jan Kara <jack@suse.cz>]

> fs/quota_v2.c can, under some conditions, issue a kernel message that
> says, in totality, 'failed read'.  This patch does the following:
> 
> 1) Gives a hint who issued the error message, so people reading the logs
> don't have to go grepping the entire kernel tree (with 11 false positives).
> 
> 2) Say what amount of data we expected, and actually got.
> 
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
> ---
> --- linux-2.6.15-mm3/fs/quota_v2.c.quot-bug	2006-01-02 22:21:10.000000000 -0500
> +++ linux-2.6.15-mm3/fs/quota_v2.c	2006-01-12 15:26:43.000000000 -0500
> @@ -35,7 +35,8 @@ static int v2_check_quota_file(struct su
>   
>  	size = sb->s_op->quota_read(sb, type, (char *)&dqhead, sizeof(struct v2_disk_dqheader), 0);
>  	if (size != sizeof(struct v2_disk_dqheader)) {
> -		printk("failed read\n");
> +		printk("quota_v2: failed read expected=%d got=%d\n",
> +			sizeof(struct v2_disk_dqheader), size);
>  		return 0;
>  	}
>  	if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type] ||
>  

  The patch is fine. Thanks for fixing. I wonder how I managed to write such
error message ;).

									Honza

-- 
Jan Kara <jack@suse.cz>
SuSE CR Labs
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