Pollers are supposed to return SPDK_POLLER_{BUSY,IDLE}.
Signed-off-by: John Levon <john.levon@nutanix.com>
Change-Id: I92bd184aaba9e3efb730b68a6024ebc9757ffd8b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8559
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>