#ifndef __UDF_DECL_H
  #define __UDF_DECL_H

  #define pr_fmt(fmt) "UDF-fs: " fmt

  #include "ecma_167.h"
  #include "osta_udf.h"
  
  #include <linux/fs.h>

  #include <linux/types.h>

  #include <linux/buffer_head.h>

  #include <linux/udf_fs_i.h>

  #include "udf_sb.h"

  #include "udfend.h"

  #include "udf_i.h"

  #define UDF_PREALLOCATE
  #define UDF_DEFAULT_PREALLOC_BLOCKS	8

  extern __printf(3, 4) void _udf_err(struct super_block *sb,
  		const char *function, const char *fmt, ...);

  #define udf_err(sb, fmt, ...)					\
  	_udf_err(sb, __func__, fmt, ##__VA_ARGS__)

  extern __printf(3, 4) void _udf_warn(struct super_block *sb,
  		const char *function, const char *fmt, ...);

  #define udf_warn(sb, fmt, ...)					\
  	_udf_warn(sb, __func__, fmt, ##__VA_ARGS__)

  #define udf_info(fmt, ...)					\
  	pr_info("INFO " fmt, ##__VA_ARGS__)

  #undef UDFFS_DEBUG

  
  #ifdef UDFFS_DEBUG

  #define udf_debug(fmt, ...)					\
  	printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt),		\
  	       __FILE__, __LINE__, __func__, ##__VA_ARGS__)

  #else

  #define udf_debug(fmt, ...)					\
  	no_printk(fmt, ##__VA_ARGS__)

  #endif

  #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
  #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
  
  #define UDF_EXTENT_LENGTH_MASK	0x3FFFFFFF
  #define UDF_EXTENT_FLAG_MASK	0xC0000000
  
  #define UDF_NAME_PAD		4
  #define UDF_NAME_LEN		256
  #define UDF_PATH_LEN		1023

  static inline size_t udf_file_entry_alloc_offset(struct inode *inode)
  {
  	struct udf_inode_info *iinfo = UDF_I(inode);
  	if (iinfo->i_use)
  		return sizeof(struct unallocSpaceEntry);
  	else if (iinfo->i_efe)
  		return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr;
  	else
  		return sizeof(struct fileEntry) + iinfo->i_lenEAttr;
  }
  
  static inline size_t udf_ext0_offset(struct inode *inode)
  {
  	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
  		return udf_file_entry_alloc_offset(inode);
  	else
  		return 0;
  }

  /* computes tag checksum */

  u8 udf_tag_checksum(const struct tag *t);

  struct dentry;
  struct inode;
  struct task_struct;
  struct buffer_head;
  struct super_block;

  extern const struct export_operations udf_export_ops;

  extern const struct inode_operations udf_dir_inode_operations;

  extern const struct file_operations udf_dir_operations;

  extern const struct inode_operations udf_file_inode_operations;

  extern const struct file_operations udf_file_operations;

  extern const struct inode_operations udf_symlink_inode_operations;

  extern const struct address_space_operations udf_aops;
  extern const struct address_space_operations udf_adinicb_aops;
  extern const struct address_space_operations udf_symlink_aops;

  struct udf_fileident_bh {

  	struct buffer_head *sbh;
  	struct buffer_head *ebh;
  	int soffset;
  	int eoffset;
  };

  struct udf_vds_record {

  	uint32_t block;
  	uint32_t volDescSeqNum;
  };

  struct generic_desc {

  	struct tag	descTag;

  	__le32		volDescSeqNum;

  };

  struct ustr {

  	uint8_t u_cmpID;

  	uint8_t u_name[UDF_NAME_LEN - 2];

  	uint8_t u_len;
  };

  struct extent_position {
  	struct buffer_head *bh;
  	uint32_t offset;

  	struct kernel_lb_addr block;

  };

  /* super.c */

  static inline void udf_updated_lvid(struct super_block *sb)
  {
  	struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
  
  	BUG_ON(!bh);
  	WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
  		     bh->b_data)->integrityType !=
  		     cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
  	sb->s_dirt = 1;
  	UDF_SB(sb)->s_lvid_dirty = 1;
  }

  extern u64 lvid_get_unique_id(struct super_block *sb);

  struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
  					u32 meta_file_loc, u32 partition_num);

  
  /* namei.c */

  extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
  			struct fileIdentDesc *, struct udf_fileident_bh *,
  			uint8_t *, uint8_t *);

  
  /* file.c */

  extern long udf_ioctl(struct file *, unsigned int, unsigned long);

  /* inode.c */

  extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);

  extern int udf_expand_file_adinicb(struct inode *);

  extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
  extern struct buffer_head *udf_bread(struct inode *, int, int, int *);

  extern int udf_setsize(struct inode *, loff_t);

  extern void udf_read_inode(struct inode *);

  extern void udf_evict_inode(struct inode *);

  extern int udf_write_inode(struct inode *, struct writeback_control *wbc);

  extern long udf_block_map(struct inode *, sector_t);

  extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,

  			 struct kernel_lb_addr *, uint32_t *, sector_t *);

  extern int udf_add_aext(struct inode *, struct extent_position *,
  			struct kernel_lb_addr *, uint32_t, int);
  extern void udf_write_aext(struct inode *, struct extent_position *,

  			   struct kernel_lb_addr *, uint32_t, int);

  extern int8_t udf_delete_aext(struct inode *, struct extent_position,

  			      struct kernel_lb_addr, uint32_t);

  extern int8_t udf_next_aext(struct inode *, struct extent_position *,

  			    struct kernel_lb_addr *, uint32_t *, int);

  extern int8_t udf_current_aext(struct inode *, struct extent_position *,

  			       struct kernel_lb_addr *, uint32_t *, int);

  
  /* misc.c */
  extern struct buffer_head *udf_tgetblk(struct super_block *, int);
  extern struct buffer_head *udf_tread(struct super_block *, int);

  extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
  						  uint32_t, uint8_t);
  extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
  						  uint8_t);
  extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
  					   uint32_t, uint16_t *);
  extern struct buffer_head *udf_read_ptagged(struct super_block *,

  					    struct kernel_lb_addr *, uint32_t,

  					    uint16_t *);

  extern void udf_update_tag(char *, int);
  extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
  
  /* lowlevel.c */
  extern unsigned int udf_get_last_session(struct super_block *);
  extern unsigned long udf_get_last_block(struct super_block *);
  
  /* partition.c */

  extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
  			       uint32_t);
  extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
  				      uint32_t);
  extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
  				      uint32_t);
  extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
  				      uint32_t);

  extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
  					  uint32_t);

  extern int udf_relocate_blocks(struct super_block *, long, long *);

  static inline uint32_t
  udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
  		  uint32_t offset)
  {
  	return udf_get_pblock(sb, loc->logicalBlockNum,
  			loc->partitionReferenceNum, offset);
  }

  /* unicode.c */
  extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);

  extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
  			    int);

  extern int udf_build_ustr(struct ustr *, dstring *, int);

  extern int udf_CS0toUTF8(struct ustr *, const struct ustr *);

  
  /* ialloc.c */
  extern void udf_free_inode(struct inode *);

  extern struct inode *udf_new_inode(struct inode *, umode_t, int *);

  
  /* truncate.c */

  extern void udf_truncate_tail_extent(struct inode *);

  extern void udf_discard_prealloc(struct inode *);
  extern void udf_truncate_extents(struct inode *);
  
  /* balloc.c */

  extern void udf_free_blocks(struct super_block *, struct inode *,

  			    struct kernel_lb_addr *, uint32_t, uint32_t);

  extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
  			       uint32_t, uint32_t);
  extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
  			 uint32_t, int *);

  /* directory.c */

  extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
  						struct udf_fileident_bh *,
  						struct fileIdentDesc *,
  						struct extent_position *,

  						struct kernel_lb_addr *, uint32_t *,

  						sector_t *);
  extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
  					       int *offset);

  extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
  extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);

  /* udftime.c */

  extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest,

  						struct timestamp src);
  extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src);

  #endif				/* __UDF_DECL_H */