include/linux/efs_fs.h

   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
  14 static 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
  27 static inline struct efs_inode_info *INODE_INFO(struct inode *inode)
  28 {
  29         return container_of(inode, struct efs_inode_info, vfs_inode);
  30 }
  31
  32 static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
  33 {
  34         return sb->s_fs_info;
  35 }
  36
  37 struct statfs;
  38 struct fid;
  39
  40 extern const struct inode_operations efs_dir_inode_operations;
  41 extern const struct file_operations efs_dir_operations;
  42 extern const struct address_space_operations efs_symlink_aops;
  43
  44 extern void efs_read_inode(struct inode *);
  45 extern efs_block_t efs_map_block(struct inode *, efs_block_t);
  46 extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
  47
  48 extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
  49 extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
  50                 int fh_len, int fh_type);
  51 extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
  52                 int fh_len, int fh_type);
  53 extern struct dentry *efs_get_parent(struct dentry *);
  54 extern int efs_bmap(struct inode *, int);
  55
  56 #endif /* __EFS_FS_H__ */