4366 ::walk zio and ::zio_state are broken
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Approved by: Gordon Ross <gwr@nexenta.com>
4188 assertion failed in dmu_tx_hold_free(): dn_datablkshift != 0
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
	[illumos-gate merge]

commit bb411a08b05466bfe0c7095b6373bbc1587e259a
    4188 assertion failed in dmu_tx_hold_free(): dn_datablkshift != 0
commit dee140df5444b21d7034d3c528e68f193f96244c
    4366 ::walk zio and ::zio_state are broken