DISK_STATE
nextstate = DISK_STATE(diskp->state) | HPS_FAULTED;
nextstate = DISK_STATE(diskp->state);
DISK_STATE(nextstate) != HPS_UNKNOWN &&
DISK_STATE(diskp->state), DISK_STATE(nextstate));
DISK_STATE(nextstate) == HPS_CONFIGURED) {
DISK_STATE(nextstate) == HPS_ABSENT) {
dm_assert(DISK_STATE(nextstate) != HPS_CONFIGURED);