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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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/* 1 block is 512 bytes */
19#define EFS_BLOCKSIZE_BITS 9
20#define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
21
22#include <linux/fs.h>
23#include <linux/efs_fs_i.h>
24#include <linux/efs_fs_sb.h>
25#include <linux/efs_dir.h>
26
27static inline struct efs_inode_info *INODE_INFO(struct inode *inode)
28{
29 return container_of(inode, struct efs_inode_info, vfs_inode);
30}
31
32static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
33{
34 return sb->s_fs_info;
35}
36
37struct statfs;
Christoph Hellwig05da0802007-10-21 16:42:09 -070038struct fid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Arjan van de Venc5ef1c42007-02-12 00:55:40 -080040extern const struct inode_operations efs_dir_inode_operations;
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080041extern const struct file_operations efs_dir_operations;
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070042extern const struct address_space_operations efs_symlink_aops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
44extern void efs_read_inode(struct inode *);
45extern efs_block_t efs_map_block(struct inode *, efs_block_t);
46extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
47
48extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
Christoph Hellwig05da0802007-10-21 16:42:09 -070049extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
50 int fh_len, int fh_type);
51extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
52 int fh_len, int fh_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -070053extern struct dentry *efs_get_parent(struct dentry *);
54extern int efs_bmap(struct inode *, int);
55
56#endif /* __EFS_FS_H__ */