| 1 |
|
| 2 | |
| 3 | * internal.h - declarations internal to debugfs
|
| 4 | *
|
| 5 | * Copyright (C) 2016 Nicolai Stange <[email protected]>
|
| 6 |
|
| 7 |
|
| 8 | #ifndef _DEBUGFS_INTERNAL_H_
|
| 9 | #define _DEBUGFS_INTERNAL_H_
|
| 10 | #include <linux/list.h>
|
| 11 |
|
| 12 | struct file_operations;
|
| 13 |
|
| 14 | struct debugfs_inode_info {
|
| 15 | struct inode vfs_inode;
|
| 16 | union {
|
| 17 | const void *raw;
|
| 18 | const struct file_operations *real_fops;
|
| 19 | const struct debugfs_short_fops *short_fops;
|
| 20 | debugfs_automount_t automount;
|
| 21 | };
|
| 22 | void *aux;
|
| 23 | };
|
| 24 |
|
| 25 | static inline struct debugfs_inode_info *DEBUGFS_I(struct inode *inode)
|
| 26 | {
|
| 27 | return container_of(inode, struct debugfs_inode_info, vfs_inode);
|
| 28 | }
|
| 29 |
|
| 30 |
|
| 31 | extern const struct file_operations debugfs_noop_file_operations;
|
| 32 | extern const struct file_operations debugfs_open_proxy_file_operations;
|
| 33 | extern const struct file_operations debugfs_full_proxy_file_operations;
|
| 34 | extern const struct file_operations debugfs_full_short_proxy_file_operations;
|
| 35 |
|
| 36 | struct debugfs_fsdata {
|
| 37 | const struct file_operations *real_fops;
|
| 38 | const struct debugfs_short_fops *short_fops;
|
| 39 | struct {
|
| 40 | refcount_t active_users;
|
| 41 | struct completion active_users_drained;
|
| 42 |
|
| 43 |
|
| 44 | struct mutex cancellations_mtx;
|
| 45 | struct list_head cancellations;
|
| 46 | unsigned int methods;
|
| 47 | };
|
| 48 | };
|
| 49 |
|
| 50 | enum {
|
| 51 | HAS_READ = 1,
|
| 52 | HAS_WRITE = 2,
|
| 53 | HAS_LSEEK = 4,
|
| 54 | HAS_POLL = 8,
|
| 55 | HAS_IOCTL = 16
|
| 56 | };
|
| 57 |
|
| 58 | #endif
|