Symbol: blk_check_state_transition
usr/src/uts/common/xen/io/blk_common.c
142
static int blk_check_state_transition(blk_ring_t ring, XenbusState oestate);
usr/src/uts/common/xen/io/blk_common.c
364
if (blk_check_state_transition(ring, new_state) == DDI_FAILURE) {