kern/157365: [nfs] cannot umount an nfs from dead server

[rmacklem at FreeBSD.org]

Synopsis: [nfs] cannot umount an nfs from dead server

State-Changed-From-To: open->feedback
State-Changed-By: rmacklem
State-Changed-When: Sun May 29 21:23:22 UTC 2011
State-Changed-Why: 

The commits r222464, r222466 should fix the old/regular NFS
client w.r.t. doinf forced dismounts against a dead server.
They will be MFC'd to stable/8 in 2 weeks.

http://www.freebsd.org/cgi/query-pr.cgi?pr=157365