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