#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); } 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;