bl_parse_deviceid
bl_parse_deviceid(struct nfs_server *server, struct pnfs_block_dev *d,
ret = bl_parse_deviceid(server, d, volumes, v->slice.volume, gfp_mask);
ret = bl_parse_deviceid(server, &d->children[i],
ret = bl_parse_deviceid(server, &d->children[i],
ret = bl_parse_deviceid(server, top, volumes, nr_volumes - 1, gfp_mask);