/* * raidreconf.h: Headers, types and includes for the raidreconf program * */#ifndef __RAIDRECONF_H#define __RAIDRECONF_H#include "common.h"#include "parser.h"#include "raid_io.h"#include "raidlib.h"#include "version.h"#include <assert.h>#include <popt.h>#include <sys/mount.h>		/* for BLKGETSIZE */#ifndef BLKGETSIZE#include <linux/fs.h>		/* for BLKGETSIZE */#endif#include <sys/sysmacros.h>#define EXTRA_CONSISTENCY_CHECKS#ifndef BLOCK_SIZE#define BLOCK_SIZE      1024#endif#ifndef BLKGETSIZE#define BLKGETSIZE _IO(0x12, 96)	/* Return device size.  */#endif/* This is a magic number that must *not* be equal to any known RAID level */#define RRC_SINGLE_DISK_LEVEL 86typedef struct rrc_disk_t {    int fd;    unsigned long chunks;    unsigned long blocks;    unsigned long disk_id;    unsigned long reconf_blocks;	/* initialized in run_reconfiguration() */} rrc_disk_t;extern int algorithm_check;typedef enum { LDR_FAILED, LDR_INCOMPLETE, LDR_DONE } driver_status_t;typedef struct level_driver_t {    const char *(*initialize) (void *, md_cfg_entry_t *, rrc_disk_t *,			       unsigned long *);     driver_status_t(*request_blocks) (void *);    const char *(*update_super) (void *);    const char *(*map_global_to_local) (void *, unsigned long, int *,					unsigned long *);    unsigned long (*map_local_to_global) (void *, int, unsigned long);    void (*free_blocks_above_gblock) (void *, unsigned long);    void (*unfree_all_blocks) (void *);    void *priv;} level_driver_t;level_driver_t *new_single_driver(void);level_driver_t *new_raid0_driver(void);level_driver_t *new_raid5_driver(void);extern mdu_version_t ver;extern int test;/* Globals that must be set before we run the reconfiguration  */extern level_driver_t *source_driver;extern level_driver_t *sink_driver;extern md_cfg_entry_t *old_md_cfg;extern md_cfg_entry_t *new_md_cfg;extern rrc_disk_t *old_rrc_cfg;extern rrc_disk_t *new_rrc_cfg;extern unsigned long source_blocks;const char *run_reconfiguration(void);/* * Utility routines */void confirm(const char *);void hash_progress(unsigned long, unsigned long);int setup_disk_arrays(md_cfg_entry_t *, rrc_disk_t **, md_cfg_entry_t *,		      rrc_disk_t **);int raid_get_size(md_cfg_entry_t *, unsigned long *);md_cfg_entry_t *setup_single_config(const char *);#endif