137 static void ff_layout_free_mirror_array(struct nfs4_ff_layout_segment *fls)  in ff_layout_free_mirror_array()  argument
141 	if (fls->mirror_array) {  in ff_layout_free_mirror_array()
142 		for (i = 0; i < fls->mirror_array_cnt; i++) {  in ff_layout_free_mirror_array()
146 			if (fls->mirror_array[i]) {  in ff_layout_free_mirror_array()
147 				kfree(fls->mirror_array[i]->fh_versions);  in ff_layout_free_mirror_array()
148 				nfs4_ff_layout_put_deviceid(fls->mirror_array[i]->mirror_ds);  in ff_layout_free_mirror_array()
149 				kfree(fls->mirror_array[i]);  in ff_layout_free_mirror_array()
152 		kfree(fls->mirror_array);  in ff_layout_free_mirror_array()
153 		fls->mirror_array = NULL;  in ff_layout_free_mirror_array()
175 static void _ff_layout_free_lseg(struct nfs4_ff_layout_segment *fls)  in _ff_layout_free_lseg()  argument
177 	if (fls) {  in _ff_layout_free_lseg()
178 		ff_layout_free_mirror_array(fls);  in _ff_layout_free_lseg()
179 		kfree(fls);  in _ff_layout_free_lseg()
183 static void ff_layout_sort_mirrors(struct nfs4_ff_layout_segment *fls)  in ff_layout_sort_mirrors()  argument
188 	for (i = 0; i < fls->mirror_array_cnt - 1; i++) {  in ff_layout_sort_mirrors()
189 		for (j = i + 1; j < fls->mirror_array_cnt; j++)  in ff_layout_sort_mirrors()
190 			if (fls->mirror_array[i]->efficiency <  in ff_layout_sort_mirrors()
191 			    fls->mirror_array[j]->efficiency) {  in ff_layout_sort_mirrors()
192 				tmp = fls->mirror_array[i];  in ff_layout_sort_mirrors()
193 				fls->mirror_array[i] = fls->mirror_array[j];  in ff_layout_sort_mirrors()
194 				fls->mirror_array[j] = tmp;  in ff_layout_sort_mirrors()
205 	struct nfs4_ff_layout_segment *fls = NULL;  in ff_layout_alloc_lseg()  local
239 	fls = kzalloc(sizeof(*fls), gfp_flags);  in ff_layout_alloc_lseg()
240 	if (!fls)  in ff_layout_alloc_lseg()
243 	fls->mirror_array_cnt = mirror_array_cnt;  in ff_layout_alloc_lseg()
244 	fls->stripe_unit = stripe_unit;  in ff_layout_alloc_lseg()
245 	fls->mirror_array = kcalloc(fls->mirror_array_cnt,  in ff_layout_alloc_lseg()
246 				    sizeof(fls->mirror_array[0]), gfp_flags);  in ff_layout_alloc_lseg()
247 	if (fls->mirror_array == NULL)  in ff_layout_alloc_lseg()
250 	for (i = 0; i < fls->mirror_array_cnt; i++) {  in ff_layout_alloc_lseg()
267 		fls->mirror_array[i] =  in ff_layout_alloc_lseg()
270 		if (fls->mirror_array[i] == NULL) {  in ff_layout_alloc_lseg()
275 		spin_lock_init(&fls->mirror_array[i]->lock);  in ff_layout_alloc_lseg()
276 		fls->mirror_array[i]->ds_count = ds_count;  in ff_layout_alloc_lseg()
292 			fls->mirror_array[i]->mirror_ds =  in ff_layout_alloc_lseg()
302 		fls->mirror_array[i]->efficiency = be32_to_cpup(p);  in ff_layout_alloc_lseg()
305 		rc = decode_stateid(&stream, &fls->mirror_array[i]->stateid);  in ff_layout_alloc_lseg()
315 		fls->mirror_array[i]->fh_versions =  in ff_layout_alloc_lseg()
318 		if (fls->mirror_array[i]->fh_versions == NULL) {  in ff_layout_alloc_lseg()
325 					   &fls->mirror_array[i]->fh_versions[j]);  in ff_layout_alloc_lseg()
330 		fls->mirror_array[i]->fh_versions_cnt = fh_count;  in ff_layout_alloc_lseg()
333 		rc = decode_name(&stream, &fls->mirror_array[i]->uid);  in ff_layout_alloc_lseg()
338 		rc = decode_name(&stream, &fls->mirror_array[i]->gid);  in ff_layout_alloc_lseg()
343 			fls->mirror_array[i]->uid,  in ff_layout_alloc_lseg()
344 			fls->mirror_array[i]->gid);  in ff_layout_alloc_lseg()
347 	ff_layout_sort_mirrors(fls);  in ff_layout_alloc_lseg()
352 	ret = &fls->generic_hdr;  in ff_layout_alloc_lseg()
358 	_ff_layout_free_lseg(fls);  in ff_layout_alloc_lseg()
378 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_free_lseg()  local
383 	for (i = 0; i < fls->mirror_array_cnt; i++) {  in ff_layout_free_lseg()
384 		if (fls->mirror_array[i]) {  in ff_layout_free_lseg()
385 			nfs4_ff_layout_put_deviceid(fls->mirror_array[i]->mirror_ds);  in ff_layout_free_lseg()
386 			fls->mirror_array[i]->mirror_ds = NULL;  in ff_layout_free_lseg()
387 			if (fls->mirror_array[i]->cred) {  in ff_layout_free_lseg()
388 				put_rpccred(fls->mirror_array[i]->cred);  in ff_layout_free_lseg()
389 				fls->mirror_array[i]->cred = NULL;  in ff_layout_free_lseg()
408 	_ff_layout_free_lseg(fls);  in ff_layout_free_lseg()
413 ff_layout_get_lseg_count(struct nfs4_ff_layout_segment *fls)  in ff_layout_get_lseg_count()  argument
423 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_alloc_commit_info()  local
436 	size = ff_layout_get_lseg_count(fls) * FF_LAYOUT_MIRROR_COUNT(lseg);  in ff_layout_alloc_commit_info()
468 	struct nfs4_ff_layout_segment *fls;  in ff_layout_choose_best_ds_for_read()  local
472 	fls = FF_LAYOUT_LSEG(pgio->pg_lseg);  in ff_layout_choose_best_ds_for_read()
474 	for (idx = 0; idx < fls->mirror_array_cnt; idx++) {  in ff_layout_choose_best_ds_for_read()