K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2020-01-10T00:46:59.081960Z
K 7
svn:log
V 235
MFC r356178: Fix GEOM_MOUNTVER orphanization.

Previous code closed and detached 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.

END