249 static void ff_layout_free_mirror_array(struct nfs4_ff_layout_segment *fls)  in ff_layout_free_mirror_array()  argument
253 	if (fls->mirror_array) {  in ff_layout_free_mirror_array()
254 		for (i = 0; i < fls->mirror_array_cnt; i++) {  in ff_layout_free_mirror_array()
258 			ff_layout_put_mirror(fls->mirror_array[i]);  in ff_layout_free_mirror_array()
260 		kfree(fls->mirror_array);  in ff_layout_free_mirror_array()
261 		fls->mirror_array = NULL;  in ff_layout_free_mirror_array()
283 static void _ff_layout_free_lseg(struct nfs4_ff_layout_segment *fls)  in _ff_layout_free_lseg()  argument
285 	if (fls) {  in _ff_layout_free_lseg()
286 		ff_layout_free_mirror_array(fls);  in _ff_layout_free_lseg()
287 		kfree(fls);  in _ff_layout_free_lseg()
350 static void ff_layout_sort_mirrors(struct nfs4_ff_layout_segment *fls)  in ff_layout_sort_mirrors()  argument
354 	for (i = 0; i < fls->mirror_array_cnt - 1; i++) {  in ff_layout_sort_mirrors()
355 		for (j = i + 1; j < fls->mirror_array_cnt; j++)  in ff_layout_sort_mirrors()
356 			if (fls->mirror_array[i]->efficiency <  in ff_layout_sort_mirrors()
357 			    fls->mirror_array[j]->efficiency)  in ff_layout_sort_mirrors()
358 				swap(fls->mirror_array[i],  in ff_layout_sort_mirrors()
359 				     fls->mirror_array[j]);  in ff_layout_sort_mirrors()
369 	struct nfs4_ff_layout_segment *fls = NULL;  in ff_layout_alloc_lseg()  local
403 	fls = kzalloc(sizeof(*fls), gfp_flags);  in ff_layout_alloc_lseg()
404 	if (!fls)  in ff_layout_alloc_lseg()
407 	fls->mirror_array_cnt = mirror_array_cnt;  in ff_layout_alloc_lseg()
408 	fls->stripe_unit = stripe_unit;  in ff_layout_alloc_lseg()
409 	fls->mirror_array = kcalloc(fls->mirror_array_cnt,  in ff_layout_alloc_lseg()
410 				    sizeof(fls->mirror_array[0]), gfp_flags);  in ff_layout_alloc_lseg()
411 	if (fls->mirror_array == NULL)  in ff_layout_alloc_lseg()
414 	for (i = 0; i < fls->mirror_array_cnt; i++) {  in ff_layout_alloc_lseg()
431 		fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags);  in ff_layout_alloc_lseg()
432 		if (fls->mirror_array[i] == NULL) {  in ff_layout_alloc_lseg()
437 		fls->mirror_array[i]->ds_count = ds_count;  in ff_layout_alloc_lseg()
440 		rc = decode_deviceid(&stream, &fls->mirror_array[i]->devid);  in ff_layout_alloc_lseg()
449 		fls->mirror_array[i]->efficiency = be32_to_cpup(p);  in ff_layout_alloc_lseg()
452 		rc = decode_pnfs_stateid(&stream, &fls->mirror_array[i]->stateid);  in ff_layout_alloc_lseg()
463 		fls->mirror_array[i]->fh_versions =  in ff_layout_alloc_lseg()
466 		if (fls->mirror_array[i]->fh_versions == NULL) {  in ff_layout_alloc_lseg()
473 					   &fls->mirror_array[i]->fh_versions[j]);  in ff_layout_alloc_lseg()
478 		fls->mirror_array[i]->fh_versions_cnt = fh_count;  in ff_layout_alloc_lseg()
502 			rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred);  in ff_layout_alloc_lseg()
504 			rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred);  in ff_layout_alloc_lseg()
506 		mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]);  in ff_layout_alloc_lseg()
507 		if (mirror != fls->mirror_array[i]) {  in ff_layout_alloc_lseg()
511 				rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred);  in ff_layout_alloc_lseg()
514 				rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred);  in ff_layout_alloc_lseg()
516 			ff_layout_free_mirror(fls->mirror_array[i]);  in ff_layout_alloc_lseg()
517 			fls->mirror_array[i] = mirror;  in ff_layout_alloc_lseg()
529 	fls->flags = be32_to_cpup(p);  in ff_layout_alloc_lseg()
534 	for (i=0; i < fls->mirror_array_cnt; i++)  in ff_layout_alloc_lseg()
535 		fls->mirror_array[i]->report_interval = be32_to_cpup(p);  in ff_layout_alloc_lseg()
538 	ff_layout_sort_mirrors(fls);  in ff_layout_alloc_lseg()
542 	ret = &fls->generic_hdr;  in ff_layout_alloc_lseg()
548 	_ff_layout_free_lseg(fls);  in ff_layout_alloc_lseg()
568 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_free_lseg()  local
586 	_ff_layout_free_lseg(fls);  in ff_layout_free_lseg()
591 ff_layout_get_lseg_count(struct nfs4_ff_layout_segment *fls)  in ff_layout_get_lseg_count()  argument
745 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_alloc_commit_info()  local
758 	size = ff_layout_get_lseg_count(fls) * FF_LAYOUT_MIRROR_COUNT(lseg);  in ff_layout_alloc_commit_info()
791 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_choose_best_ds_for_read()  local
797 	for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) {  in ff_layout_choose_best_ds_for_read()
798 		if (idx+1 == fls->mirror_array_cnt)  in ff_layout_choose_best_ds_for_read()