K 10
svn:author
V 6
mjacob
K 8
svn:date
V 27
2010-06-07T16:32:12.777399Z
K 7
svn:log
V 238
MFC of 198262

Use callout_init_mtx on FreeBSD versions recent enough. This closes
the race where interrupt thread can complete the request for which
timeout has fired and while mpt_timeout has blocked on mpt_lock.

Approved by:	re (kib)

END