static uint64_t
_get_num_sectors(int fd)
{
unsigned long long bytes=0;
if (blkdev_get_size(fd, &bytes) == -1)
return 0;
return bytes / _get_sector_size(fd);
}
static uint64_t
_get_num_sectors(int fd)
{
int version = _get_linux_version();
unsigned long size;
uint64_t bytes=0;
if (version >= KERNEL_VERSION(2,5,4) ||
(version < KERNEL_VERSION(2,5,0) &&
version >= KERNEL_VERSION (2,4,18)))
{
if (ioctl(fd, BLKGETSIZE64, &bytes) == 0)
return bytes / _get_sector_size(fd);
}
if (ioctl (fd, BLKGETSIZE, &size))
return 0;
return size;
}
static uint64_t
last_lba(int fd)
{
int rc;
uint64_t sectors = 0;
struct stat s;
memset(&s, 0, sizeof (s));
rc = fstat(fd, &s);
if (rc == -1)
{
fprintf(stderr, "last_lba() could not stat: %m\n");
return 0;
}
if (S_ISBLK(s.st_mode))
sectors = _get_num_sectors(fd);
else if (S_ISREG(s.st_mode))
sectors = s.st_size >> _get_sector_size(fd);
else
{
