zram_drv.h File Reference

#include <linux/spinlock.h>
#include <linux/mutex.h>
#include "../zsmalloc/zsmalloc.h"

Go to the source code of this file.

Data Structures
struct	table
struct	zram_stats
struct	zram

Macros
#define	SECTOR_SHIFT   9
#define	SECTOR_SIZE   (1 << SECTOR_SHIFT)
#define	SECTORS_PER_PAGE_SHIFT   (PAGE_SHIFT - SECTOR_SHIFT)
#define	SECTORS_PER_PAGE   (1 << SECTORS_PER_PAGE_SHIFT)
#define	ZRAM_LOGICAL_BLOCK_SHIFT   12
#define	ZRAM_LOGICAL_BLOCK_SIZE   (1 << ZRAM_LOGICAL_BLOCK_SHIFT)
#define	ZRAM_SECTOR_PER_LOGICAL_BLOCK   (1 << (ZRAM_LOGICAL_BLOCK_SHIFT - SECTOR_SHIFT))

Enumerations
enum	zram_pageflags { ZRAM_ZERO, __NR_ZRAM_PAGEFLAGS }

Functions
struct table	__aligned (4)
unsigned int	zram_get_num_devices (void)
int	zram_init_device (struct zram *zram)
void	__zram_reset_device (struct zram *zram)

Variables
unsigned long	handle
u16	size
u8	count
u8	flags
struct zram_stats	__aligned
struct zram *	zram_devices

Macro Definition Documentation

#define SECTOR_SHIFT   9

Definition at line 48 of file zram_drv.h.

#define SECTOR_SIZE   (1 << SECTOR_SHIFT)

Definition at line 49 of file zram_drv.h.

#define SECTORS_PER_PAGE   (1 << SECTORS_PER_PAGE_SHIFT)

Definition at line 51 of file zram_drv.h.

#define SECTORS_PER_PAGE_SHIFT   (PAGE_SHIFT - SECTOR_SHIFT)

Definition at line 50 of file zram_drv.h.

#define ZRAM_LOGICAL_BLOCK_SHIFT   12

Definition at line 52 of file zram_drv.h.

#define ZRAM_LOGICAL_BLOCK_SIZE   (1 << ZRAM_LOGICAL_BLOCK_SHIFT)

Definition at line 53 of file zram_drv.h.

#define ZRAM_SECTOR_PER_LOGICAL_BLOCK   (1 << (ZRAM_LOGICAL_BLOCK_SHIFT - SECTOR_SHIFT))

Definition at line 54 of file zram_drv.h.

Enumeration Type Documentation

enum zram_pageflags

Enumerator:

ZRAM_ZERO
__NR_ZRAM_PAGEFLAGS

Definition at line 58 of file zram_drv.h.

Function Documentation

struct table __aligned

(

4

)

void __zram_reset_device

(

struct zram *

zram

)

Definition at line 513 of file zram_drv.c.

unsigned int zram_get_num_devices

(

void

)

Definition at line 712 of file zram_drv.c.

int zram_init_device

(

struct zram *

zram

)

Definition at line 554 of file zram_drv.c.

Variable Documentation

struct zram_stats __aligned

u8 count

Definition at line 76 of file zram_drv.h.

u8 flags

Definition at line 77 of file zram_drv.h.

unsigned long handle

Definition at line 74 of file zram_drv.h.

u16 size

Definition at line 75 of file zram_drv.h.

struct zram* zram_devices

Definition at line 40 of file zram_drv.c.