K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2018-11-11T00:04:36.268865Z
K 7
svn:log
V 410
Allow absolute paths for O_BENEATH.

The path must have a tail which does not escape starting/topping
directory.  The documentation will come shortly, see the man pages
commit message for the reason of separate commit.

Reviewed by:	jilles (previous version)
Discussed with:	emaste
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D17714

END