nfs4_pnfs_ds_connect
status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
status = nfs4_pnfs_ds_connect(s, ds, &mirror->dss[dss_id].mirror_ds->id_node,
int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_connect);