CEPH_HOMELESS_OSD
return osd->o_osd == CEPH_HOMELESS_OSD;
WARN_ON(onum == CEPH_HOMELESS_OSD);
if (o != CEPH_HOMELESS_OSD)
t->osd = CEPH_HOMELESS_OSD;
t->osd = CEPH_HOMELESS_OSD;
t->osd = CEPH_HOMELESS_OSD;
osdc->homeless_osd.o_osd = CEPH_HOMELESS_OSD;