1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
| /* SPDX-License-Identifier: GPL-2.0 */
| /*
| * f2fs IO tracer
| *
| * Copyright (c) 2014 Motorola Mobility
| * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
| */
| #ifndef __F2FS_TRACE_H__
| #define __F2FS_TRACE_H__
|
| #ifdef CONFIG_F2FS_IO_TRACE
| #include <trace/events/f2fs.h>
|
| enum file_type {
| __NORMAL_FILE,
| __DIR_FILE,
| __NODE_FILE,
| __META_FILE,
| __ATOMIC_FILE,
| __VOLATILE_FILE,
| __MISC_FILE,
| };
|
| struct last_io_info {
| int major, minor;
| pid_t pid;
| enum file_type type;
| struct f2fs_io_info fio;
| block_t len;
| };
|
| extern void f2fs_trace_pid(struct page *);
| extern void f2fs_trace_ios(struct f2fs_io_info *, int);
| extern void f2fs_build_trace_ios(void);
| extern void f2fs_destroy_trace_ios(void);
| #else
| #define f2fs_trace_pid(p)
| #define f2fs_trace_ios(i, n)
| #define f2fs_build_trace_ios()
| #define f2fs_destroy_trace_ios()
|
| #endif
| #endif /* __F2FS_TRACE_H__ */
|
|
