252 			     struct nfs4_ff_layout_mirror *mirror,  in ff_layout_track_ds_error()  argument
261 	if (IS_ERR_OR_NULL(mirror->dss[dss_id].mirror_ds))  in ff_layout_track_ds_error()
273 	nfs4_stateid_copy(&dserr->stateid, &mirror->dss[dss_id].stateid);  in ff_layout_track_ds_error()
274 	memcpy(&dserr->deviceid, &mirror->dss[dss_id].mirror_ds->id_node.deviceid,  in ff_layout_track_ds_error()
284 ff_layout_get_mirror_cred(struct nfs4_ff_layout_mirror *mirror, u32 iomode, u32 dss_id)  in ff_layout_get_mirror_cred()  argument
289 		pcred = &mirror->dss[dss_id].ro_cred;  in ff_layout_get_mirror_cred()
291 		pcred = &mirror->dss[dss_id].rw_cred;  in ff_layout_get_mirror_cred()
306 nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror, u32 dss_id)  in nfs4_ff_layout_select_ds_fh()  argument
309 	return &mirror->dss[dss_id].fh_versions[0];  in nfs4_ff_layout_select_ds_fh()
313 nfs4_ff_layout_select_ds_stateid(const struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_layout_select_ds_stateid()  argument
317 	if (nfs4_ff_layout_ds_version(mirror, dss_id) == 4)  in nfs4_ff_layout_select_ds_stateid()
318 		nfs4_stateid_copy(stateid, &mirror->dss[dss_id].stateid);  in nfs4_ff_layout_select_ds_stateid()
323 			 struct nfs4_ff_layout_mirror *mirror,  in ff_layout_init_mirror_ds()  argument
326 	if (mirror == NULL)  in ff_layout_init_mirror_ds()
328 	if (mirror->dss[dss_id].mirror_ds == NULL) {  in ff_layout_init_mirror_ds()
333 				&mirror->dss[dss_id].devid, lo->plh_lc_cred,  in ff_layout_init_mirror_ds()
339 		if (cmpxchg(&mirror->dss[dss_id].mirror_ds, NULL, mirror_ds) &&  in ff_layout_init_mirror_ds()
344 	if (IS_ERR(mirror->dss[dss_id].mirror_ds))  in ff_layout_init_mirror_ds()
372 			  struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_layout_prepare_ds()  argument
382 	if (!ff_layout_init_mirror_ds(lseg->pls_layout, mirror, dss_id))  in nfs4_ff_layout_prepare_ds()
385 	ds = mirror->dss[dss_id].mirror_ds->ds;  in nfs4_ff_layout_prepare_ds()
394 	status = nfs4_pnfs_ds_connect(s, ds, &mirror->dss[dss_id].mirror_ds->id_node,  in nfs4_ff_layout_prepare_ds()
396 			     mirror->dss[dss_id].mirror_ds->ds_versions[0].version,  in nfs4_ff_layout_prepare_ds()
397 			     mirror->dss[dss_id].mirror_ds->ds_versions[0].minor_version);  in nfs4_ff_layout_prepare_ds()
410 		if (mirror->dss[dss_id].mirror_ds->ds_versions[0].rsize > max_payload)  in nfs4_ff_layout_prepare_ds()
411 			mirror->dss[dss_id].mirror_ds->ds_versions[0].rsize = max_payload;  in nfs4_ff_layout_prepare_ds()
412 		if (mirror->dss[dss_id].mirror_ds->ds_versions[0].wsize > max_payload)  in nfs4_ff_layout_prepare_ds()
413 			mirror->dss[dss_id].mirror_ds->ds_versions[0].wsize = max_payload;  in nfs4_ff_layout_prepare_ds()
418 				 mirror, dss_id, lseg->pls_range.offset,  in nfs4_ff_layout_prepare_ds()
430 ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,  in ff_layout_get_ds_cred()  argument
437 	if (mirror && !mirror->dss[dss_id].mirror_ds->ds_versions[0].tightly_coupled) {  in ff_layout_get_ds_cred()
438 		cred = ff_layout_get_mirror_cred(mirror, range->iomode, dss_id);  in ff_layout_get_ds_cred()
458 nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_find_or_create_ds_client()  argument
462 	switch (mirror->dss[dss_id].mirror_ds->ds_versions[0].version) {  in nfs4_ff_find_or_create_ds_client()
566 	struct nfs4_ff_layout_mirror *mirror;  in ff_read_layout_has_available_ds()  local
571 		mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_read_layout_has_available_ds()
572 		if (!mirror)  in ff_read_layout_has_available_ds()
574 		for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) {  in ff_read_layout_has_available_ds()
575 			if (!mirror->dss[dss_id].mirror_ds)  in ff_read_layout_has_available_ds()
577 			if (IS_ERR(mirror->dss[dss_id].mirror_ds))  in ff_read_layout_has_available_ds()
579 			devid = &mirror->dss[dss_id].mirror_ds->id_node;  in ff_read_layout_has_available_ds()
590 	struct nfs4_ff_layout_mirror *mirror;  in ff_rw_layout_has_available_ds()  local
595 		mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_rw_layout_has_available_ds()
596 		if (!mirror)  in ff_rw_layout_has_available_ds()
598 		for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) {  in ff_rw_layout_has_available_ds()
599 			if (IS_ERR(mirror->dss[dss_id].mirror_ds))  in ff_rw_layout_has_available_ds()
601 			if (!mirror->dss[dss_id].mirror_ds)  in ff_rw_layout_has_available_ds()
603 			devid = &mirror->dss[dss_id].mirror_ds->id_node;  in ff_rw_layout_has_available_ds()