3618 ::zio dcmd does not show timestamp data
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <gwilson@zfsmail.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Dan McDonald <danmcd@nexenta.com>
Merge /root/git/illumos-gate

* /root/git/illumos-gate:

commit c55e05cb35da47582b7afd38734d2f0d9c6deb40
    3618 ::zio dcmd does not show timestamp data

Conflicts:
	usr/src/uts/common/fs/zfs/sys/vdev_impl.h