K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2020-08-16T21:05:56.810311Z
K 7
svn:log
V 204
VMIO reads: enable for nullfs upper vnode if the lower vnode supports it.

Reviewed by:	markj
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D25968

END