brd.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/major.h>
#include <linux/blkdev.h>
#include <linux/bio.h>
#include <linux/highmem.h>
#include <linux/mutex.h>
#include <linux/radix-tree.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Data Structures
struct	brd_device

Macros
#define	SECTOR_SHIFT   9
#define	PAGE_SECTORS_SHIFT   (PAGE_SHIFT - SECTOR_SHIFT)
#define	PAGE_SECTORS   (1 << PAGE_SECTORS_SHIFT)
#define	FREE_BATCH   16

Functions
	module_param (rd_nr, int, S_IRUGO)
	MODULE_PARM_DESC (rd_nr,"Maximum number of brd devices")
	module_param (rd_size, int, S_IRUGO)
	MODULE_PARM_DESC (rd_size,"Size of each RAM disk in kbytes.")
	module_param (max_part, int, S_IRUGO)
	MODULE_PARM_DESC (max_part,"Maximum number of partitions per RAM disk")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_BLOCKDEV_MAJOR (RAMDISK_MAJOR)
	MODULE_ALIAS ("rd")
	__setup ("ramdisk_size=", ramdisk_size)
	module_init (brd_init)
	module_exit (brd_exit)

Variables
int	rd_size = CONFIG_BLK_DEV_RAM_SIZE

Macro Definition Documentation

#define FREE_BATCH   16

Definition at line 160 of file brd.c.

#define PAGE_SECTORS   (1 << PAGE_SECTORS_SHIFT)

Definition at line 27 of file brd.c.

#define PAGE_SECTORS_SHIFT   (PAGE_SHIFT - SECTOR_SHIFT)

Definition at line 26 of file brd.c.

#define SECTOR_SHIFT   9

Definition at line 25 of file brd.c.

Function Documentation

__setup

(

)

MODULE_ALIAS

(

"rd"

)

MODULE_ALIAS_BLOCKDEV_MAJOR

(

RAMDISK_MAJOR

)

module_exit

(

brd_exit

)

module_init

(

brd_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	rd_nr	,
		int	,
		S_IRUGO
	)

module_param	(	rd_size	,
		int	,
		S_IRUGO
	)

module_param	(	max_part	,
		int	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	rd_nr	,
		"Maximum number of brd devices"
	)

MODULE_PARM_DESC	(	rd_size	,
		"Size of each RAM disk in kbytes."
	)

MODULE_PARM_DESC	(	max_part	,
		"Maximum number of partitions per RAM disk"
	)

Variable Documentation

int rd_size = CONFIG_BLK_DEV_RAM_SIZE

Definition at line 433 of file brd.c.