Because then it might not be unused anymore. If there really is a
race, this prevents e.g. sgdisk creating a partition on a device
already in use by LVM or LVM destroying a partitioned device.
For ZFS, also get the latest udev info once inside the worker.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
to have a clear method name for this. check_XYZ suggests also that we
return true if the check was OK, but we don't.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
