Implement the DIOCGSECTORSIZE and DIOCGMEDIASIZE ioctls, and rename the DIOCGDINFO ioctl into DIOCGDVIRGIN.  This allows the newfs(8) to work on vinum volumes without the now removed -v option.
Implement the DIOCGSECTORSIZE and DIOCGMEDIASIZE ioctls, and rename
the DIOCGDINFO ioctl into DIOCGDVIRGIN.  This allows the newfs(8) to
work on vinum volumes without the now removed -v option.

Approved by:	grog

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase