1/*
2 * efs_fs.h
3 *
4 * Copyright (c) 1999 Al Smith
5 *
6 * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
7 */
8
9#ifndef __EFS_FS_H__
10#define __EFS_FS_H__
11
12#define EFS_VERSION "1.0a"
13
14static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
15
16#include <asm/uaccess.h>
17
18#ifndef LINUX_VERSION_CODE
19#include <linux/version.h>
20#endif
21
22#if LINUX_VERSION_CODE < 0x20200
23#error This code is only for linux-2.2 and later.
24#endif
25
26/* 1 block is 512 bytes */
27#define	EFS_BLOCKSIZE_BITS	9
28#define	EFS_BLOCKSIZE		(1 << EFS_BLOCKSIZE_BITS)
29
30#include <linux/efs_fs_i.h>
31#include <linux/efs_dir.h>
32
33#ifndef MIN
34#define MIN(a, b) (((a) < (b)) ? (a) : (b))
35#endif
36#ifndef MAX
37#define MAX(a, b) (((a) > (b)) ? (a) : (b))
38#endif
39
40#ifdef _EFS_USE_GENERIC
41#define INODE_INFO(i) (struct efs_inode_info *)	&((i)->u.generic_ip)
42#define SUPER_INFO(s) (struct efs_sb_info *)	&((s)->u.generic_sbp)
43#else
44#define INODE_INFO(i)				&((i)->u.efs_i)
45#define SUPER_INFO(s)				&((s)->u.efs_sb)
46#endif
47
48extern struct inode_operations efs_dir_inode_operations;
49extern struct file_operations efs_dir_operations;
50extern struct address_space_operations efs_symlink_aops;
51
52extern struct super_block *efs_read_super(struct super_block *, void *, int);
53extern int efs_statfs(struct super_block *, struct statfs *);
54
55extern void efs_read_inode(struct inode *);
56extern efs_block_t efs_map_block(struct inode *, efs_block_t);
57
58extern struct dentry *efs_lookup(struct inode *, struct dentry *);
59extern int efs_bmap(struct inode *, int);
60
61#endif /* __EFS_FS_H__ */
62