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 | ||
3d14c5d2 | 6 | #ifdef CONFIG_CEPH_LIB_PRETTYDEBUG |
de57606c SW |
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, ...) \ | |
3d14c5d2 YS |
17 | pr_debug("%.*s %12.12s:%-4d : " fmt, \ |
18 | 8 - (int)sizeof(KBUILD_MODNAME), " ", \ | |
de57606c SW |
19 | 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 |