LXR linux/include/linux/tracefs.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   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 *
   9 * tracefs is the file system that is used by the tracing infrastructure.
  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
  20struct file_operations;
  21
  22#ifdef CONFIG_TRACING
  23
  24struct dentry *tracefs_create_file(const char *name, umode_t mode,
  25                                   struct dentry *parent, void *data,
  26                                   const struct file_operations *fops);
  27
  28struct dentry *tracefs_create_dir(const char *name, struct dentry *parent);
  29
  30void tracefs_remove(struct dentry *dentry);
  31void tracefs_remove_recursive(struct dentry *dentry);
  32
  33struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent,
  34                                           int (*mkdir)(const char *name),
  35                                           int (*rmdir)(const char *name));
  36
  37bool tracefs_initialized(void);
  38
  39#endif /* CONFIG_TRACING */
  40
  41#endif
  42