Matias Bjørling wrote:
The current detection code for chunk size assumes that the
underlying device is a device that uses the minor device id
as the partition id, and that the whole device has minor id 0.
This is not true for example null_blk and nvme device drivers.
Let's use sysfs_devno_to_wholedisk() to get whole-disk devno.
Addresses: https://github.com/karelzak/util-linux/pull/646 Reported-by: Matias Bjørling matias.bjorling@wdc.com Signed-off-by: Karel Zak <kzak@redhat.com>