Some callers may not require a callback function once
the specified function has been called on all channels.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I925751d221918810c2e966640ca636482bf6f866
Reviewed-on: https://review.gerrithub.io/377859
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
e0252fe128