5311 traverse_dnode may report success when it should not
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Andriy Gapon <avg@FreeBSD.org>
Reviewed by: Will Andrews <willa@spectralogic.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Justin T. Gibbs <justing@spectralogic.com>

illumos/illumos-gate@2a89c2c59b7c2beb2373c14368cbe7e32af6ffc1