#include <linux/buffer_head.h>

  #include <linux/slab.h>

  #include "minix.h"
  
  enum {DEPTH = 3, DIRECT = 7};	/* Only double indirect */
  
  typedef u16 block_t;	/* 16 bit, host order */
  
  static inline unsigned long block_to_cpu(block_t n)
  {
  	return n;
  }
  
  static inline block_t cpu_to_block(unsigned long n)
  {
  	return n;
  }
  
  static inline block_t *i_data(struct inode *inode)
  {
  	return (block_t *)minix_i(inode)->u.i1_data;
  }
  
  static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
  {
  	int n = 0;
  
  	if (block < 0) {

  		printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg
  ",
  			block, inode->i_sb->s_bdev);

  	} else if (block >= (minix_sb(inode->i_sb)->s_max_size/BLOCK_SIZE)) {

  		if (printk_ratelimit())
  			printk("MINIX-fs: block_to_path: "

  			       "block %ld too big on dev %pg
  ",
  				block, inode->i_sb->s_bdev);

  	} else if (block < 7) {
  		offsets[n++] = block;
  	} else if ((block -= 7) < 512) {
  		offsets[n++] = 7;
  		offsets[n++] = block;
  	} else {
  		block -= 512;
  		offsets[n++] = 8;
  		offsets[n++] = block>>9;
  		offsets[n++] = block & 511;
  	}
  	return n;
  }
  
  #include "itree_common.c"
  
  int V1_minix_get_block(struct inode * inode, long block,
  			struct buffer_head *bh_result, int create)
  {
  	return get_block(inode, block, bh_result, create);
  }
  
  void V1_minix_truncate(struct inode * inode)
  {
  	truncate(inode);
  }

  unsigned V1_minix_blocks(loff_t size, struct super_block *sb)

  {

  	return nblocks(size, sb);

  }