blob: 70e149c2330bd4af1864123ac6880b9235e42689 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001 Miklos Szeredi (mszeredi@inf.bme.hu)
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
*/
#include <linux/fs.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#define FUSE_VERSION "0.1"
/**
* A Fuse connection.
*
* This structure is created, when the client device is opened, and is
* destroyed, when the client device is closed _and_ the filesystem is
* umounted.
*/
struct fuse_conn {
/** The superblock of the mounted filesystem */
struct super_block *sb;
/** The opened client device */
struct file *file;
/** The client wait queue */
wait_queue_head_t waitq;
/** The list of pending requests */
struct list_head pending;
/** The list of requests being processed */
struct list_head processing;
/** The number of outstanding requests */
int outstanding;
/** Connnection number (for debuging) */
int id;
};
/**
* A filesystem request
*/
struct fuse_req {
/** The request list */
struct list_head list;
/** The size of the data */
size_t size;
/** A pointer to the data */
void *data;
};
/**
* The proc entry for the client device ("/proc/fs/fuse/dev")
*/
extern struct proc_dir_entry *proc_fuse_dev;
/**
* The lock to protect fuses structures
*/
extern spinlock_t fuse_lock;
/**
* Fill in the directory operations
*/
void fuse_dir_init(struct inode *inode);
/**
* Check if the connection can be released, and if yes, then free the
* connection structure
*/
void fuse_release_conn(struct fuse_conn *fc);
/**
* Initialize the client device
*/
int fuse_dev_init(void);
/**
* Cleanup the client device
*/
void fuse_dev_cleanup(void);
/**
* Initialize the fuse filesystem
*/
int fuse_fs_init(void);
/**
* Cleanup the fuse filesystem
*/
void fuse_fs_cleanup(void);
/*
* Local Variables:
* indent-tabs-mode: t
* c-basic-offset: 8
*/
|
