fpos_frag
int v = ceph_frag_compare(fpos_frag(l), fpos_frag(r));
return dfi->frag != fpos_frag(pos);
frag = fpos_frag(ctx->pos);
} else if (dfi->frag != fpos_frag(new_pos)) {
return ceph_frag_value(fpos_frag(p));