P9_NOFID          907 net/9p/client.c 	ret = idr_alloc_u32(&clnt->fids, fid, &fid->fid, P9_NOFID - 1,
P9_NOFID         1135 net/9p/client.c 			afid ? afid->fid : P9_NOFID, uname, aname, n_uname);