ReadAt([]byte, uint) - uint is close to unworkable on 32bit platforms

[joonas-fi]

int/uint is platform bit size. On 32bit platforms this limits block device sizes to 4 GB which is... small for block devices.

Almost all Go file APIs use int64 for sizes

[prologic]

int/uint is platform bit size. On 32bit platforms this limits block device sizes to 4 GB which is... small for block devices.

Almost all Go file APIs use int64 for sizes

Maybe you could submit a pull request?