Function check_btrfs

src/btrfs.c:55–71

}

int check_btrfs(disk_t *disk_car,partition_t *partition)
{
  unsigned char *buffer=(unsigned char*)MALLOC(BTRFS_SUPER_INFO_SIZE);
  if(disk_car->pread(disk_car, buffer, BTRFS_SUPER_INFO_SIZE, partition->part_offset + BTRFS_SUPER_INFO_OFFSET) != BTRFS_SUPER_INFO_SIZE)
  {
    free(buffer);
    return 1;
  }
  if(test_btrfs((struct btrfs_super_block*)buffer)!=0)
  {
    free(buffer);
    return 1;
  }
  set_btrfs_info((struct btrfs_super_block*)buffer, partition);
  free(buffer);
  return 0;
}

/*
Primary superblock is at 1024 (SUPERBLOCK_OFFSET)