K 10
svn:author
V 4
kato
K 8
svn:date
V 27
1997-08-14T03:57:46.000000Z
K 7
svn:log
V 160
If the user doesn't have read permission, union_copyup should not copy
a file to upper layer.

Reviewed by:	Naofumi Honda <honda@Kururu.math.sci.hokudai.ac.jp>

END