K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2017-04-24T12:52:42.448082Z
K 7
svn:log
V 133
Change ctl_free_lun() locking.

This fixes potential callout_drain() sleep under non-sleepable lock.

PR:		218167
MFC after:	2 weeks

END