K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2015-10-05T08:58:25.686193Z
K 7
svn:log
V 198
MFC r287664: Reference/release devices on every I/O, rather on open/close.

While this may be slower, it allows device destruction to complete,
rather then block waiting for indefinitely long time.

END