blkdeactivate(8) on Linux
The text 26ffd7f21de7, as Debian 10 (Buster) shipped it.
utility to deactivate block devices
Flags it lists
-
--dmoptions -
--errors -
--help -
--lvmoptions -
--mdraidoptions -
--mpathoptions -
--umount -
--verbose -
-d -
-e -
-h -
-l -
-m -
-r -
-u -
-v