mirror of https://github.com/torvalds/linux.git
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* internal.h - declarations internal to debugfs
|
|
*
|
|
* Copyright (C) 2016 Nicolai Stange <nicstange@gmail.com>
|
|
*/
|
|
|
|
#ifndef _DEBUGFS_INTERNAL_H_
|
|
#define _DEBUGFS_INTERNAL_H_
|
|
#include <linux/list.h>
|
|
|
|
struct file_operations;
|
|
|
|
struct debugfs_inode_info {
|
|
struct inode vfs_inode;
|
|
union {
|
|
const void *raw;
|
|
const struct file_operations *real_fops;
|
|
const struct debugfs_short_fops *short_fops;
|
|
debugfs_automount_t automount;
|
|
};
|
|
void *aux;
|
|
};
|
|
|
|
static inline struct debugfs_inode_info *DEBUGFS_I(struct inode *inode)
|
|
{
|
|
return container_of(inode, struct debugfs_inode_info, vfs_inode);
|
|
}
|
|
|
|
/* 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;
|
|
extern const struct file_operations debugfs_full_short_proxy_file_operations;
|
|
|
|
struct debugfs_fsdata {
|
|
const struct file_operations *real_fops;
|
|
const struct debugfs_short_fops *short_fops;
|
|
struct {
|
|
refcount_t active_users;
|
|
struct completion active_users_drained;
|
|
|
|
/* protect cancellations */
|
|
struct mutex cancellations_mtx;
|
|
struct list_head cancellations;
|
|
unsigned int methods;
|
|
};
|
|
};
|
|
|
|
enum {
|
|
HAS_READ = 1,
|
|
HAS_WRITE = 2,
|
|
HAS_LSEEK = 4,
|
|
HAS_POLL = 8,
|
|
HAS_IOCTL = 16
|
|
};
|
|
|
|
#endif /* _DEBUGFS_INTERNAL_H_ */
|