efs_fs.h
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上传日期:2013-04-10
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- /*
- * efs_fs.h
- *
- * Copyright (c) 1999 Al Smith
- *
- * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
- */
- #ifndef __EFS_FS_H__
- #define __EFS_FS_H__
- #define EFS_VERSION "1.0a"
- static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
- #include <asm/uaccess.h>
- #ifndef LINUX_VERSION_CODE
- #include <linux/version.h>
- #endif
- #if LINUX_VERSION_CODE < 0x20200
- #error This code is only for linux-2.2 and later.
- #endif
- /* 1 block is 512 bytes */
- #define EFS_BLOCKSIZE_BITS 9
- #define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
- #include <linux/efs_fs_i.h>
- #include <linux/efs_dir.h>
- #ifndef MIN
- #define MIN(a, b) (((a) < (b)) ? (a) : (b))
- #endif
- #ifndef MAX
- #define MAX(a, b) (((a) > (b)) ? (a) : (b))
- #endif
- #ifdef _EFS_USE_GENERIC
- #define INODE_INFO(i) (struct efs_inode_info *) &((i)->u.generic_ip)
- #define SUPER_INFO(s) (struct efs_sb_info *) &((s)->u.generic_sbp)
- #else
- #define INODE_INFO(i) &((i)->u.efs_i)
- #define SUPER_INFO(s) &((s)->u.efs_sb)
- #endif
- extern struct inode_operations efs_dir_inode_operations;
- extern struct file_operations efs_dir_operations;
- extern struct address_space_operations efs_symlink_aops;
- extern struct super_block *efs_read_super(struct super_block *, void *, int);
- extern int efs_statfs(struct super_block *, struct statfs *);
- extern void efs_read_inode(struct inode *);
- extern efs_block_t efs_map_block(struct inode *, efs_block_t);
- extern struct dentry *efs_lookup(struct inode *, struct dentry *);
- extern int efs_bmap(struct inode *, int);
- #endif /* __EFS_FS_H__ */