RING_REQUEST_CONS_OVERFLOW 1144 drivers/block/xen-blkback/blkback.c 		if (RING_REQUEST_CONS_OVERFLOW(&blk_rings->common, rc))
RING_REQUEST_CONS_OVERFLOW  747 drivers/xen/xen-scsiback.c 		if (RING_REQUEST_CONS_OVERFLOW(ring, rc))