K 10
svn:author
V 8
rmacklem
K 8
svn:date
V 27
2017-04-11T22:47:02.075073Z
K 7
svn:log
V 471
Don't throw away Open state when a NFSv4.1 client recovery fails.

If the ExchangeID/CreateSession operations done by an NFSv4.1 client
after the server crashes/reboots fails, it is possible that some process/thread
is waiting for an open_owner lock. If the client state is free'd, this
can cause a crash.
This would not normally happen, but has been observed on a mount of the
AmazonEFS service.

Reported by:	cperciva
Tested by:	cperciva
PR:		216086
MFC after:	2 weeks

END