K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2017-11-24T19:02:06.385106Z
K 7
svn:log
V 145
Add a missing lockstat:::sx-downgrade probe.

We were returning without firing the probe when the lock had no shared
waiters.

MFC after:	1 week

END