/*
   * linux/fs/befs/endian.h
   *
   * Copyright (C) 2001 Will Dyson <will_dyson@pobox.com>
   *
   * Partially based on similar funtions in the sysv driver.
   */
  
  #ifndef LINUX_BEFS_ENDIAN
  #define LINUX_BEFS_ENDIAN

  #include <asm/byteorder.h>

  
  static inline u64

  fs64_to_cpu(const struct super_block *sb, fs64 n)

  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return le64_to_cpu((__force __le64)n);

  	else

  		return be64_to_cpu((__force __be64)n);

  }

  static inline fs64

  cpu_to_fs64(const struct super_block *sb, u64 n)
  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return (__force fs64)cpu_to_le64(n);

  	else

  		return (__force fs64)cpu_to_be64(n);

  }
  
  static inline u32

  fs32_to_cpu(const struct super_block *sb, fs32 n)

  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return le32_to_cpu((__force __le32)n);

  	else

  		return be32_to_cpu((__force __be32)n);

  }

  static inline fs32

  cpu_to_fs32(const struct super_block *sb, u32 n)
  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return (__force fs32)cpu_to_le32(n);

  	else

  		return (__force fs32)cpu_to_be32(n);

  }
  
  static inline u16

  fs16_to_cpu(const struct super_block *sb, fs16 n)

  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return le16_to_cpu((__force __le16)n);

  	else

  		return be16_to_cpu((__force __be16)n);

  }

  static inline fs16

  cpu_to_fs16(const struct super_block *sb, u16 n)
  {
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)

  		return (__force fs16)cpu_to_le16(n);

  	else

  		return (__force fs16)cpu_to_be16(n);

  }
  
  /* Composite types below here */
  
  static inline befs_block_run

  fsrun_to_cpu(const struct super_block *sb, befs_disk_block_run n)

  {
  	befs_block_run run;
  
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) {

  		run.allocation_group = le32_to_cpu((__force __le32)n.allocation_group);
  		run.start = le16_to_cpu((__force __le16)n.start);
  		run.len = le16_to_cpu((__force __le16)n.len);

  	} else {

  		run.allocation_group = be32_to_cpu((__force __be32)n.allocation_group);
  		run.start = be16_to_cpu((__force __be16)n.start);
  		run.len = be16_to_cpu((__force __be16)n.len);

  	}
  	return run;
  }

  static inline befs_disk_block_run

  cpu_to_fsrun(const struct super_block *sb, befs_block_run n)
  {

  	befs_disk_block_run run;

  
  	if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) {
  		run.allocation_group = cpu_to_le32(n.allocation_group);
  		run.start = cpu_to_le16(n.start);
  		run.len = cpu_to_le16(n.len);
  	} else {
  		run.allocation_group = cpu_to_be32(n.allocation_group);
  		run.start = cpu_to_be16(n.start);
  		run.len = cpu_to_be16(n.len);
  	}
  	return run;
  }
  
  static inline befs_data_stream

  fsds_to_cpu(const struct super_block *sb, const befs_disk_data_stream *n)

  {
  	befs_data_stream data;
  	int i;
  
  	for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; ++i)

  		data.direct[i] = fsrun_to_cpu(sb, n->direct[i]);

  	data.max_direct_range = fs64_to_cpu(sb, n->max_direct_range);
  	data.indirect = fsrun_to_cpu(sb, n->indirect);
  	data.max_indirect_range = fs64_to_cpu(sb, n->max_indirect_range);
  	data.double_indirect = fsrun_to_cpu(sb, n->double_indirect);

  	data.max_double_indirect_range = fs64_to_cpu(sb,

  						     n->

  						     max_double_indirect_range);

  	data.size = fs64_to_cpu(sb, n->size);

  
  	return data;
  }
  
  #endif				//LINUX_BEFS_ENDIAN