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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 |