K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2009-08-14T11:17:34.067867Z
K 7
svn:log
V 222
MFC r196205:
In nfs_upgrade_vnlock(), assert that the vnode is locked.
When downgrading, pass LK_RETRY to the vn_lock(), since otherwise
vn_lock() unlocks the doomed vnode, causing extra unlock.

Approved by:	re (rwatson)

END