out.writeLong(req.start()); out.writeLong(req.length());
out.writeLong(req.start()); out.writeLong(req.length());
req.start(in.readLong()); req.length(in.readLong());
req.start(in.readLong()); req.length(in.readLong());
res.locations(ggfs.affinity(req.path(), req.start(), req.length()));
res.locations(ggfs.affinity(req.path(), req.start(), req.length()));