Sage Weil | de57606 | 2009-10-06 11:31:07 -0700 | [diff] [blame^] | 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 |