5084 struct ecppunit's e_busy is multi-value, can't be a boolean_t
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Marcel Telka <marcel@telka.sk>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Dan McDonald <danmcd@omniti.com>
5149 zvols need a way to ignore DKIOCFREE
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Matthew Ahrens <matthew.ahrens@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Approved by: Robert Mustacchi <rm@joyent.com>
	[illumos-gate merge]

commit 893c83ba3e1c87a785b5274ce2ef02f45fba6087
    5149 zvols need a way to ignore DKIOCFREE
commit 08ec77c5d4647cce340afb3d6cba733d508e7e94
    5084 struct ecppunit's e_busy is multi-value, can't be a boolean_t