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[davej-history.git] / include / linux / efs_fs.h
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1 /*
2 * efs_fs.h
4 * Copyright (c) 1999 Al Smith
6 * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
7 */
9 #ifndef __EFS_FS_H__
10 #define __EFS_FS_H__
12 #define EFS_VERSION "1.0a"
14 static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
16 #include <asm/uaccess.h>
18 #ifndef LINUX_VERSION_CODE
19 #include <linux/version.h>
20 #endif
22 #if LINUX_VERSION_CODE < 0x20200
23 #error This code is only for linux-2.2 and later.
24 #endif
26 /* 1 block is 512 bytes */
27 #define EFS_BLOCKSIZE_BITS 9
28 #define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
30 #include <linux/efs_fs_i.h>
31 #include <linux/efs_dir.h>
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
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
48 extern struct inode_operations efs_dir_inode_operations;
49 extern struct file_operations efs_dir_operations;
50 extern struct address_space_operations efs_symlink_aops;
52 extern struct super_block *efs_read_super(struct super_block *, void *, int);
53 extern int efs_statfs(struct super_block *, struct statfs *);
55 extern void efs_read_inode(struct inode *);
56 extern efs_block_t efs_map_block(struct inode *, efs_block_t);
58 extern struct dentry *efs_lookup(struct inode *, struct dentry *);
59 extern int efs_bmap(struct inode *, int);
61 #endif /* __EFS_FS_H__ */