CEPH_OSD_UP
(map->osd_state[osd] & CEPH_OSD_UP);
case CEPH_OSD_UP:
xorstate = CEPH_OSD_UP;
if ((map->osd_state[osd] & CEPH_OSD_UP) &&
(xorstate & CEPH_OSD_UP))
map->osd_state[osd] |= CEPH_OSD_EXISTS | CEPH_OSD_UP;
if ((state & CEPH_OSD_EXISTS) && (state & CEPH_OSD_UP))
else if (state & CEPH_OSD_UP)