linux/fs/debugfs/internal.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  internal.h - declarations internal to debugfs
 *
 *  Copyright (C) 2016 Nicolai Stange <[email protected]>
 */

#ifndef _DEBUGFS_INTERNAL_H_
#define _DEBUGFS_INTERNAL_H_
#include <linux/list.h>

struct file_operations;

/* declared over in file.c */
extern const struct file_operations debugfs_noop_file_operations;
extern const struct file_operations debugfs_open_proxy_file_operations;
extern const struct file_operations debugfs_full_proxy_file_operations;

struct debugfs_fsdata { … };

/*
 * A dentry's ->d_fsdata either points to the real fops or to a
 * dynamically allocated debugfs_fsdata instance.
 * In order to distinguish between these two cases, a real fops
 * pointer gets its lowest bit set.
 */
#define DEBUGFS_FSDATA_IS_REAL_FOPS_BIT …

/* Access BITS */
#define DEBUGFS_ALLOW_API …
#define DEBUGFS_ALLOW_MOUNT …

#ifdef CONFIG_DEBUG_FS_ALLOW_ALL
#define DEFAULT_DEBUGFS_ALLOW_BITS …
#endif
#ifdef CONFIG_DEBUG_FS_DISALLOW_MOUNT
#define DEFAULT_DEBUGFS_ALLOW_BITS …
#endif
#ifdef CONFIG_DEBUG_FS_ALLOW_NONE
#define DEFAULT_DEBUGFS_ALLOW_BITS …
#endif

#endif /* _DEBUGFS_INTERNAL_H_ */