Release 4.8 block/partitions/check.h

#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;
	
int next;
	
int limit;
	
bool access_beyond_eod;
	
char *pp_buf;
};

void free_partitions(struct parsed_partitions *state);

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);
}

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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);
	}
}

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extern int warn_no_part;

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Directory: block/partitions

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