K 10
svn:author
V 6
alfred
K 8
svn:date
V 27
2002-04-14T17:12:55.000000Z
K 7
svn:log
V 198
Don't allow one to trace an ancestor when already traced.

PR: kern/29741
Submitted by: Dave Zarzycki <zarzycki@FreeBSD.org>
Fix from: Tim J. Robbins <tim@robbins.dropbear.id.au>
MFC After: 2 weeks

END