ext4_utils.h File Reference

#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ext4_sb.h"

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Classes
struct	ext2_group_desc
struct	fs_aux_info

Macros
#define	EXT4_JNL_BACKUP_BLOCKS   1
#define	min(a, b)   ((a) < (b) ? (a) : (b))
#define	DIV_ROUND_UP(x, y)   (((x) + (y)-1) / (y))
#define	EXT4_ALIGN(x, y)   ((y)*DIV_ROUND_UP((x), (y)))
#define	cpu_to_le32(x)   (x)
#define	cpu_to_le16(x)   (x)
#define	le32_to_cpu(x)   (x)
#define	le16_to_cpu(x)   (x)
#define	PRIext4u64   PRIu64

Typedefs
typedef unsigned long long	u64
typedef signed long long	s64
typedef unsigned int	u32
typedef unsigned short int	u16
typedef unsigned char	u8

Functions
int	bitmap_get_bit (u8 *bitmap, u32 bit)
u64	get_block_device_size (int fd)
int	is_block_device_fd (int fd)
u64	get_file_size (int fd)
int	ext4_bg_has_super_block (int bg)
int	read_ext (int fd, int verbose)

Variables
int	force
struct fs_info	info
struct fs_aux_info	aux_info
jmp_buf	setjmp_env

Macro Definition Documentation

cpu_to_le16

#define cpu_to_le16

(

x

)

(x)

cpu_to_le32

#define cpu_to_le32

(

x

)

(x)

DIV_ROUND_UP

#define DIV_ROUND_UP	(		x,
			y
	)		(((x) + (y)-1) / (y))

EXT4_ALIGN

#define EXT4_ALIGN	(		x,
			y
	)		((y)*DIV_ROUND_UP((x), (y)))

EXT4_JNL_BACKUP_BLOCKS

#define EXT4_JNL_BACKUP_BLOCKS   1

le16_to_cpu

#define le16_to_cpu

(

x

)

(x)

le32_to_cpu

#define le32_to_cpu

(

x

)

(x)

min

#define min	(		a,
			b
	)		((a) < (b) ? (a) : (b))

PRIext4u64

#define PRIext4u64   PRIu64

Typedef Documentation

s64

typedef signed long long s64

u16

typedef unsigned short int u16

u32

typedef unsigned int u32

u64

typedef unsigned long long u64

u8

typedef unsigned char u8

Function Documentation

bitmap_get_bit()

int bitmap_get_bit	(	u8 *	bitmap,
		u32	bit
	)

ext4_bg_has_super_block()

int ext4_bg_has_super_block

(

int

bg

)

get_block_device_size()

u64 get_block_device_size

(

int

fd

)

get_file_size()

u64 get_file_size

(

int

fd

)

is_block_device_fd()

int is_block_device_fd

(

int

fd

)

read_ext()

int read_ext	(	int	fd,
		int	verbose
	)

Variable Documentation

aux_info

struct fs_aux_info aux_info

extern

force

int force

extern

info

struct fs_info info

extern

setjmp_env

jmp_buf setjmp_env

extern