K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2019-08-25T05:13:15.588937Z
K 7
svn:log
V 361
nullfs: reduce areas protected by vnode interlock

Some places only take the interlock to hold the vnode, which was a requiremnt
before they started being manipulated with atomics. Use the newly introduced
vholdnz to bump the count.

Reviewed by:	kib
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D21358

END