[net-next-2.6.git] / fs / ceph / ceph_debug.h

#ifndef _FS_CEPH_DEBUG_H
#define _FS_CEPH_DEBUG_H

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#ifdef CONFIG_CEPH_FS_PRETTYDEBUG

/*
 * wrap pr_debug to include a filename:lineno prefix on each line.
 * this incurs some overhead (kernel size and execution time) due to
 * the extra function call at each call site.
 */

# if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
extern const char *ceph_file_part(const char *s, int len);
#  define dout(fmt, ...)						\
	pr_debug(" %12.12s:%-4d : " fmt,				\
		 ceph_file_part(__FILE__, sizeof(__FILE__)),		\
		 __LINE__, ##__VA_ARGS__)
# else
/* faux printk call just to see any compiler warnings. */
#  define dout(fmt, ...)	do {				\
		if (0)						\
			printk(KERN_DEBUG fmt, ##__VA_ARGS__);	\
	} while (0)
# endif

#else

/*
 * or, just wrap pr_debug
 */
# define dout(fmt, ...)	pr_debug(" " fmt, ##__VA_ARGS__)

#endif

#endif
Commit	Line	Data
de57606c SW	1	#ifndef _FS_CEPH_DEBUG_H
	2	#define _FS_CEPH_DEBUG_H
	3
	4	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
	5
	6	#ifdef CONFIG_CEPH_FS_PRETTYDEBUG
	7
	8	/*
	9	* wrap pr_debug to include a filename:lineno prefix on each line.
	10	* this incurs some overhead (kernel size and execution time) due to
	11	* the extra function call at each call site.
	12	*/
	13
	14	# if defined(DEBUG) \|\| defined(CONFIG_DYNAMIC_DEBUG)
	15	extern const char ceph_file_part(const char s, int len);
	16	# define dout(fmt, ...) \
	17	pr_debug(" %12.12s:%-4d : " fmt, \
	18	ceph_file_part(__FILE__, sizeof(__FILE__)), \
	19	__LINE__, ##__VA_ARGS__)
	20	# else
	21	/* faux printk call just to see any compiler warnings. */
	22	# define dout(fmt, ...) do { \
	23	if (0) \
	24	printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
	25	} while (0)
	26	# endif
	27
	28	#else
	29
	30	/*
	31	* or, just wrap pr_debug
	32	*/
	33	# define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__)
	34
	35	#endif
	36
	37	#endif