#include <linux/pagemap.h>
  #include <linux/blkdev.h>

  #include <linux/genhd.h>

  
  /*
   * add_gd_partition adds a partitions details to the devices partition
   * description.
   */

  struct parsed_partitions {

  	struct block_device *bdev;

  	char name[BDEVNAME_SIZE];
  	struct {
  		sector_t from;
  		sector_t size;
  		int flags;

  		bool has_info;
  		struct partition_meta_info info;

  	} parts[DISK_MAX_PARTS];

  	int next;
  	int limit;

  	bool access_beyond_eod;

  	char *pp_buf;

  };

  struct parsed_partitions *
  check_partition(struct gendisk *, struct block_device *);

  static inline void *read_part_sector(struct parsed_partitions *state,
  				     sector_t n, Sector *p)
  {

  	if (n >= get_capacity(state->bdev->bd_disk)) {
  		state->access_beyond_eod = true;
  		return NULL;
  	}

  	return read_dev_sector(state->bdev, n, p);
  }

  static inline void
  put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
  {
  	if (n < p->limit) {

  		char tmp[1 + BDEVNAME_SIZE + 10 + 1];

  		p->parts[n].from = from;
  		p->parts[n].size = size;

  		snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
  		strlcat(p->pp_buf, tmp, PAGE_SIZE);

  	}
  }
  
  extern int warn_no_part;