projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 63f92ddc JK |
1 | /* |
| 2 | * f2fs IO tracer | |
| 3 | * | |
| 4 | * Copyright (c) 2014 Motorola Mobility | |
| 5 | * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | #ifndef __F2FS_TRACE_H__ | |
| 12 | #define __F2FS_TRACE_H__ | |
| 13 | ||
| 14 | #ifdef CONFIG_F2FS_IO_TRACE | |
| 15 | #include <trace/events/f2fs.h> | |
| 16 | ||
| 0e689d03 JK |
17 | enum file_type { |
| 18 | __NORMAL_FILE, | |
| 19 | __DIR_FILE, | |
| 20 | __NODE_FILE, | |
| 21 | __META_FILE, | |
| 22 | __ATOMIC_FILE, | |
| 23 | __VOLATILE_FILE, | |
| 24 | __MISC_FILE, | |
| 25 | }; | |
| 26 | ||
| 27 | struct last_io_info { | |
| 28 | int major, minor; | |
| 29 | pid_t pid; | |
| 30 | enum file_type type; | |
| 31 | struct f2fs_io_info fio; | |
| 32 | block_t len; | |
| 33 | }; | |
| 34 | ||
| 63f92ddc | 35 | extern void f2fs_trace_pid(struct page *); |
| 05ca3632 | 36 | extern void f2fs_trace_ios(struct f2fs_io_info *, int); |
| c0508650 | 37 | extern void f2fs_build_trace_ios(void); |
| 351f4fba | 38 | extern void f2fs_destroy_trace_ios(void); |
| 63f92ddc JK |
39 | #else |
| 40 | #define f2fs_trace_pid(p) | |
| 05ca3632 | 41 | #define f2fs_trace_ios(i, n) |
| c0508650 | 42 | #define f2fs_build_trace_ios() |
| 351f4fba | 43 | #define f2fs_destroy_trace_ios() |
| 63f92ddc JK |
44 | |
| 45 | #endif | |
| 46 | #endif /* __F2FS_TRACE_H__ */ |