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
|
/*
* linux/fs/adfs/file.c
*
* Copyright (C) 1997 Russell King
* from:
*
* linux/fs/ext2/file.c
*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
* Laboratoire MASI - Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* from
*
* linux/fs/minix/file.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
* adfs regular file handling primitives
*/
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/ext2_fs.h>
#include <linux/fcntl.h>
#include <linux/sched.h>
#include <linux/stat.h>
/*
* We have mostly NULLs here: the current defaults are OK for
* the adfs filesystem.
*/
static struct file_operations adfs_file_operations = {
NULL, /* lseek - default */
generic_file_read, /* read */
NULL, /* write */
NULL, /* readdir - bad */
NULL, /* select - default */
NULL, /* ioctl */
generic_file_mmap, /* mmap */
NULL, /* open - not special */
NULL, /* flush */
NULL, /* release */
file_fsync, /* fsync */
NULL, /* fasync */
NULL, /* check_media_change */
NULL /* revalidate */
};
struct inode_operations adfs_file_inode_operations = {
&adfs_file_operations, /* default file operations */
NULL, /* create */
NULL, /* lookup */
NULL, /* link */
NULL, /* unlink */
NULL, /* symlink */
NULL, /* mkdir */
NULL, /* rmdir */
NULL, /* mknod */
NULL, /* rename */
NULL, /* readlink */
NULL, /* follow_link */
generic_readpage, /* readpage */
NULL, /* writepage */
adfs_bmap, /* bmap */
NULL, /* truncate */
NULL, /* permission */
NULL /* smap */
};
|
