Steven Hartland 190b967447 Enforce validation on the selected delete method via sysctl.
This prevents users from selecting a delete method which may cause
corruption e.g. MPS WS16 on pre P14 firmware.

Reviewed by:	pjd (mentor)
Approved by:	pjd (mentor)
MFC after:	2 days
2013-05-24 11:27:06 +00:00
..
2012-05-24 14:07:44 +00:00
2013-05-10 16:41:26 +00:00
2012-01-12 00:34:33 +00:00