#ifndef _EXT4_EXTENTS

#define _EXT4_EXTENTS

#include "ext4.h"

#define AGGRESSIVE_TEST_

#define EXTENTS_STATS__

#define CHECK_BINSEARCH__

#define EXT_DEBUG__

#ifdef EXT_DEBUG

#define ext_debug(a...) printk(a)

#define ext_debug(a...)

#define EXT_STATS_

struct ext4_extent {

};

struct ext4_extent_idx {

};

struct ext4_extent_header {

};

#define EXT4_EXT_MAGIC 0xf30a

struct ext4_ext_path {

};

#define EXT4_EXT_CACHE_NO 0

#define EXT4_EXT_CACHE_GAP 1

#define EXT4_EXT_CACHE_EXTENT 2

#define EXT_CONTINUE 0

#define EXT_BREAK 1

#define EXT_REPEAT 2

#define EXT_MAX_BLOCK 0xffffffff

#define EXT_INIT_MAX_LEN (1UL << 15)

#define EXT_UNINIT_MAX_LEN (EXT_INIT_MAX_LEN - 1)

#define EXT_FIRST_EXTENT(__hdr__) ((struct ext4_extent *) (((char *) (__hdr__)) + sizeof(struct ext4_extent_header)))

#define EXT_FIRST_INDEX(__hdr__) ((struct ext4_extent_idx *) (((char *) (__hdr__)) + sizeof(struct ext4_extent_header)))

#define EXT_HAS_FREE_INDEX(__path__) (le16_to_cpu((__path__)->p_hdr->eh_entries) < le16_to_cpu((__path__)->p_hdr->eh_max))

#define EXT_LAST_EXTENT(__hdr__) (EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1)

#define EXT_LAST_INDEX(__hdr__) (EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1)

#define EXT_MAX_EXTENT(__hdr__) (EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)

#define EXT_MAX_INDEX(__hdr__) (EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)