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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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2 | /* |
3 | * tracefs.h - a pseudo file system for activating tracing | |
4 | * | |
5 | * Based on debugfs by: 2004 Greg Kroah-Hartman <greg@kroah.com> | |
6 | * | |
7 | * Copyright (C) 2014 Red Hat Inc, author: Steven Rostedt <srostedt@redhat.com> | |
8 | * | |
4282d606 | 9 | * tracefs is the file system that is used by the tracing infrastructure. |
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10 | */ |
11 | ||
12 | #ifndef _TRACEFS_H_ | |
13 | #define _TRACEFS_H_ | |
14 | ||
15 | #include <linux/fs.h> | |
16 | #include <linux/seq_file.h> | |
17 | ||
18 | #include <linux/types.h> | |
19 | ||
20 | struct file_operations; | |
21 | ||
22 | #ifdef CONFIG_TRACING | |
23 | ||
24 | struct dentry *tracefs_create_file(const char *name, umode_t mode, | |
25 | struct dentry *parent, void *data, | |
26 | const struct file_operations *fops); | |
27 | ||
28 | struct dentry *tracefs_create_dir(const char *name, struct dentry *parent); | |
29 | ||
30 | void tracefs_remove(struct dentry *dentry); | |
4282d606 | 31 | |
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32 | struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent, |
33 | int (*mkdir)(const char *name), | |
34 | int (*rmdir)(const char *name)); | |
35 | ||
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36 | bool tracefs_initialized(void); |
37 | ||
38 | #endif /* CONFIG_TRACING */ | |
39 | ||
40 | #endif |