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Sage Weilde576062009-10-06 11:31:07 -07001#ifndef _FS_CEPH_DEBUG_H
2#define _FS_CEPH_DEBUG_H
3
4#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
5
Yehuda Sadeh3d14c5d2010-04-06 15:14:15 -07006#ifdef CONFIG_CEPH_LIB_PRETTYDEBUG
Sage Weilde576062009-10-06 11:31:07 -07007
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)
15extern const char *ceph_file_part(const char *s, int len);
16# define dout(fmt, ...) \
Yehuda Sadeh3d14c5d2010-04-06 15:14:15 -070017 pr_debug("%.*s %12.12s:%-4d : " fmt, \
18 8 - (int)sizeof(KBUILD_MODNAME), " ", \
Sage Weilde576062009-10-06 11:31:07 -070019 ceph_file_part(__FILE__, sizeof(__FILE__)), \
20 __LINE__, ##__VA_ARGS__)
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