251 			     struct nfs4_ff_layout_mirror *mirror, u64 offset,  in ff_layout_track_ds_error()  argument
260 	if (IS_ERR_OR_NULL(mirror->mirror_ds))  in ff_layout_track_ds_error()
272 	nfs4_stateid_copy(&dserr->stateid, &mirror->stateid);  in ff_layout_track_ds_error()
273 	memcpy(&dserr->deviceid, &mirror->mirror_ds->id_node.deviceid,  in ff_layout_track_ds_error()
283 ff_layout_get_mirror_cred(struct nfs4_ff_layout_mirror *mirror, u32 iomode)  in ff_layout_get_mirror_cred()  argument
288 		pcred = &mirror->ro_cred;  in ff_layout_get_mirror_cred()
290 		pcred = &mirror->rw_cred;  in ff_layout_get_mirror_cred()
305 nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror)  in nfs4_ff_layout_select_ds_fh()  argument
308 	return &mirror->fh_versions[0];  in nfs4_ff_layout_select_ds_fh()
312 nfs4_ff_layout_select_ds_stateid(const struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_layout_select_ds_stateid()  argument
315 	if (nfs4_ff_layout_ds_version(mirror) == 4)  in nfs4_ff_layout_select_ds_stateid()
316 		nfs4_stateid_copy(stateid, &mirror->stateid);  in nfs4_ff_layout_select_ds_stateid()
321 			 struct nfs4_ff_layout_mirror *mirror)  in ff_layout_init_mirror_ds()  argument
323 	if (mirror == NULL)  in ff_layout_init_mirror_ds()
325 	if (mirror->mirror_ds == NULL) {  in ff_layout_init_mirror_ds()
330 				&mirror->devid, lo->plh_lc_cred,  in ff_layout_init_mirror_ds()
336 		if (cmpxchg(&mirror->mirror_ds, NULL, mirror_ds) &&  in ff_layout_init_mirror_ds()
341 	if (IS_ERR(mirror->mirror_ds))  in ff_layout_init_mirror_ds()
368 			  struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_layout_prepare_ds()  argument
377 	if (!ff_layout_init_mirror_ds(lseg->pls_layout, mirror))  in nfs4_ff_layout_prepare_ds()
380 	ds = mirror->mirror_ds->ds;  in nfs4_ff_layout_prepare_ds()
389 	status = nfs4_pnfs_ds_connect(s, ds, &mirror->mirror_ds->id_node,  in nfs4_ff_layout_prepare_ds()
391 			     mirror->mirror_ds->ds_versions[0].version,  in nfs4_ff_layout_prepare_ds()
392 			     mirror->mirror_ds->ds_versions[0].minor_version);  in nfs4_ff_layout_prepare_ds()
399 		if (mirror->mirror_ds->ds_versions[0].rsize > max_payload)  in nfs4_ff_layout_prepare_ds()
400 			mirror->mirror_ds->ds_versions[0].rsize = max_payload;  in nfs4_ff_layout_prepare_ds()
401 		if (mirror->mirror_ds->ds_versions[0].wsize > max_payload)  in nfs4_ff_layout_prepare_ds()
402 			mirror->mirror_ds->ds_versions[0].wsize = max_payload;  in nfs4_ff_layout_prepare_ds()
407 				 mirror, lseg->pls_range.offset,  in nfs4_ff_layout_prepare_ds()
419 ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,  in ff_layout_get_ds_cred()  argument
425 	if (mirror && !mirror->mirror_ds->ds_versions[0].tightly_coupled) {  in ff_layout_get_ds_cred()
426 		cred = ff_layout_get_mirror_cred(mirror, range->iomode);  in ff_layout_get_ds_cred()
445 nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,  in nfs4_ff_find_or_create_ds_client()  argument
448 	switch (mirror->mirror_ds->ds_versions[0].version) {  in nfs4_ff_find_or_create_ds_client()
552 	struct nfs4_ff_layout_mirror *mirror;  in ff_read_layout_has_available_ds()  local
557 		mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_read_layout_has_available_ds()
558 		if (mirror) {  in ff_read_layout_has_available_ds()
559 			if (!mirror->mirror_ds)  in ff_read_layout_has_available_ds()
561 			if (IS_ERR(mirror->mirror_ds))  in ff_read_layout_has_available_ds()
563 			devid = &mirror->mirror_ds->id_node;  in ff_read_layout_has_available_ds()
574 	struct nfs4_ff_layout_mirror *mirror;  in ff_rw_layout_has_available_ds()  local
579 		mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_rw_layout_has_available_ds()
580 		if (!mirror || IS_ERR(mirror->mirror_ds))  in ff_rw_layout_has_available_ds()
582 		if (!mirror->mirror_ds)  in ff_rw_layout_has_available_ds()
584 		devid = &mirror->mirror_ds->id_node;  in ff_rw_layout_has_available_ds()