tree 9b607589ee16f3f9da01849a75733717c818b2c9
parent d3246fb0da5d70838469c01d5b6b11163b49cd86
author Josh Durgin <josh.durgin@inktank.com> 1396914723 -0700
committer Ilya Dryomov <idryomov@redhat.com> 1413306217 +0400

rbd: set the remaining discard properties to enable support

max_discard_sectors must be set for the queue to support discard.
Operations implementing discard for rbd zero data, so report that.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>