// Drat, I can't get a guaranteed block size. Assume a block size of 512, as everything I have read indicates that /sys/block/<dev>/size is given in terms of a 512 byte block...
blocksize="512";
}
// While at first glance it would seem that checking /queue/physical_block_size would be needed to get an accurate device size, in reality Linux
// appears to only ever report the device size in 512 byte units. This does not appear to be documented anywhere!