On Wed, Jan 15, 2020 at 08:35:25AM -0500, Mikulas Patocka wrote: > Logical block size has type unsigned short. That means that it can be at > most 32768. However, there are architectures that can run with 64k pages > (for example arm64) and on these architectures, it may be possible to > create block devices with 64k block size. The patch looks fine, and other drivers(loop, nbd, virtio_blk, ...) allow user to pass customized logical block size, and the passed size can be > 32k. Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> Thanks, Ming