linux-kernel - Re: [PATCH 1/2 v2] udf : enable error print in udf_read

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Date:	Mon, 03 Oct 2011 05:57:46 -0700
From:	Joe Perches <joe@...ches.com>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	jack@...e.cz, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2 v2] udf : enable error print in udf_read_tagged().

On Mon, 2011-10-03 at 16:19 +0900, Namjae Jeon wrote:
> And I use pr_fmt instead of printk by joe's suggestion. I try to modify totally it to pr_fmt also.
[]
> diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
[]
> @@ -19,18 +21,15 @@
>  #undef UDFFS_DEBUG
>  
>  #ifdef UDFFS_DEBUG
> -#define udf_debug(f, a...) \
> -do { \
> -	printk(KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \
> -		__FILE__, __LINE__, __func__); \
> -	printk(f, ##a); \
> -} while (0)
> +#define udf_debug(fmt, ...)	\
> +	pr_debug("DEBUG %s:%d:%s: ", fmt,	\
> +		__FILE__, __LINE__, __func__, __VA_ARGS__);

This doesn't compile properly if UDFFS_DEBUG is
#defined.

No comma should be between "DEBUG %s:%d:%s: " and fmt.


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