#ifndef _LINUX_GENHD_H#define _LINUX_GENHD_H/* * 	genhd.h Copyright (C) 1992 Drew Eckhardt *	Generic hard disk header file by   * 		Drew Eckhardt * *		<drew@colorado.edu> */	#define EXTENDED_PARTITION 5	struct partition {	unsigned char boot_ind;		/* 0x80 - active */	unsigned char head;		/* starting head */	unsigned char sector;		/* starting sector */	unsigned char cyl;		/* starting cylinder */	unsigned char sys_ind;		/* What partition type */	unsigned char end_head;		/* end head */	unsigned char end_sector;	/* end sector */	unsigned char end_cyl;		/* end cylinder */	unsigned int start_sect;	/* starting sector counting from 0 */	unsigned int nr_sects;		/* nr of sectors in partition */};struct hd_struct {	long start_sect;	long nr_sects;};struct gendisk {	int major;			/* major number of driver */	char *major_name;		/* name of major driver */	int minor_shift;		/* number of times minor is shifted to					   get real minor */	int max_p;			/* maximum partitions per device */	int max_nr;			/* maximum number of real devices */	void (*init)(void);		/* Initialization called before we do our thing */	struct hd_struct *part;		/* partition table */	int *sizes;			/* size of device in blocks */	int nr_real;			/* number of real devices */	void *real_devices;		/* internal use */	struct gendisk *next;};extern int NR_GENDISKS;			/* total */extern struct gendisk *gendisk_head;	/* linked list of disks */#endif