blockdev(8) on Linux
The text 4d0d410fa9b6, as Debian 6.0 (Squeeze) shipped it.
call block device ioctls from the command line
Flags it lists
-
--flushbufs -
--getbsz -
--getfra -
--getra -
--getro -
--getsize -
--getsize64 -
--getss -
--getsz -
--report -
--rereadpt -
--setro -
--setrw -
-V -
-q -
-v