[mirror_ubuntu-artful-kernel.git] / include / linux / ceph / ceph_debug.h

#ifndef _FS_CEPH_DEBUG_H
#define _FS_CEPH_DEBUG_H

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/string.h>

#ifdef CONFIG_CEPH_LIB_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)
#  define dout(fmt, ...)						\
	pr_debug("%.*s %12.12s:%-4d : " fmt,				\
		 8 - (int)sizeof(KBUILD_MODNAME), "    ",		\
		 kbasename(__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
6f4dbd14 ID	6	#include <linux/string.h>
6f4dbd14 ID	7
3d14c5d2	8	#ifdef CONFIG_CEPH_LIB_PRETTYDEBUG
de57606c SW	9
	10	/*
	11	* wrap pr_debug to include a filename:lineno prefix on each line.
	12	* this incurs some overhead (kernel size and execution time) due to
	13	* the extra function call at each call site.
	14	*/
	15
	16	# if defined(DEBUG) \|\| defined(CONFIG_DYNAMIC_DEBUG)
de57606c	17	# define dout(fmt, ...) \
3d14c5d2 YS	18	pr_debug("%.*s %12.12s:%-4d : " fmt, \
3d14c5d2 YS	19	8 - (int)sizeof(KBUILD_MODNAME), " ", \
6f4dbd14	20	kbasename(__FILE__), __LINE__, ##__VA_ARGS__)
de57606c SW	21	# else
	22	/* faux printk call just to see any compiler warnings. */
	23	# define dout(fmt, ...) do { \
	24	if (0) \
	25	printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
	26	} while (0)
	27	# endif
	28
	29	#else
	30
	31	/*
	32	* or, just wrap pr_debug
	33	*/
	34	# define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__)
	35
	36	#endif
	37
	38	#endif