0dd73f50 Fri Nov 08 15:50:43 GMT 2019 Jason King <jason.king@joyent.com> 11944 mdb ::refcount dcmd no longer works Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com> Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com> Reviewed by: Toomas Soome <tsoome@me.com> Approved by: Gordon Ross <gordon.w.ross@gmail.com>