This reverts commit 4700ef0fa654c17c9161e0fe0a8d4c7d30db9bea. This has merge conflicts with the iSCSI async write patch series that was merged. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I5a27460a369ef5f13bf490a287603e566071be40 Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/482482