K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2019-12-28T17:52:53.686440Z
K 7
svn:log
V 282
Fix GEOM_GATE orphanization.

Previous code closed and destroyed direct read consumer even with I/O still
in progress.  This patch adds locking and request counting to postpone the
close till the last of running requests completes.

MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.

END