113 	unsigned r = old + 1;  in brb_next()  local
114 	return (r >= (sizeof(brb->bops) / sizeof(*brb->bops))) ? 0 : r;  in brb_next()
182 	int r = brb_push(&smm->uncommitted, type, b);  in add_bop()  local
184 	if (r) {  in add_bop()
194 	int r = 0;  in commit_bop()  local
199 		r = sm_ll_inc(&smm->ll, op->block, &ev);  in commit_bop()
203 		r = sm_ll_dec(&smm->ll, op->block, &ev);  in commit_bop()
207 	return r;  in commit_bop()
217 	int r = 0;  in apply_bops()  local
222 		r = brb_peek(&smm->uncommitted, &bop);  in apply_bops()
223 		if (r) {  in apply_bops()
228 		r = commit_bop(smm, &bop);  in apply_bops()
229 		if (r)  in apply_bops()
235 	return r;  in apply_bops()
240 	int r = 0;  in out()  local
255 	return r;  in out()
302 	int r;  in sm_metadata_get_count()  local
330 	r = sm_ll_lookup(&smm->ll, b, result);  in sm_metadata_get_count()
331 	if (r)  in sm_metadata_get_count()
332 		return r;  in sm_metadata_get_count()
342 	int r, adjustment = 0;  in sm_metadata_count_is_more_than_one()  local
376 	r = sm_ll_lookup_bitmap(&smm->ll, b, &rc);  in sm_metadata_count_is_more_than_one()
377 	if (r)  in sm_metadata_count_is_more_than_one()
378 		return r;  in sm_metadata_count_is_more_than_one()
394 	int r, r2;  in sm_metadata_set_count()  local
404 	r = sm_ll_insert(&smm->ll, b, count, &ev);  in sm_metadata_set_count()
407 	return combine_errors(r, r2);  in sm_metadata_set_count()
412 	int r, r2 = 0;  in sm_metadata_inc_block()  local
417 		r = add_bop(smm, BOP_INC, b);  in sm_metadata_inc_block()
420 		r = sm_ll_inc(&smm->ll, b, &ev);  in sm_metadata_inc_block()
424 	return combine_errors(r, r2);  in sm_metadata_inc_block()
429 	int r, r2 = 0;  in sm_metadata_dec_block()  local
434 		r = add_bop(smm, BOP_DEC, b);  in sm_metadata_dec_block()
437 		r = sm_ll_dec(&smm->ll, b, &ev);  in sm_metadata_dec_block()
441 	return combine_errors(r, r2);  in sm_metadata_dec_block()
446 	int r, r2 = 0;  in sm_metadata_new_block_()  local
450 	r = sm_ll_find_free_block(&smm->old_ll, smm->begin, smm->old_ll.nr_blocks, b);  in sm_metadata_new_block_()
451 	if (r)  in sm_metadata_new_block_()
452 		return r;  in sm_metadata_new_block_()
457 		r = add_bop(smm, BOP_INC, *b);  in sm_metadata_new_block_()
460 		r = sm_ll_inc(&smm->ll, *b, &ev);  in sm_metadata_new_block_()
464 	if (!r)  in sm_metadata_new_block_()
467 	return combine_errors(r, r2);  in sm_metadata_new_block_()
475 	int r = sm_metadata_new_block_(sm, b);  in sm_metadata_new_block()  local
476 	if (r) {  in sm_metadata_new_block()
478 		return r;  in sm_metadata_new_block()
481 	r = sm_metadata_get_nr_free(sm, &count);  in sm_metadata_new_block()
482 	if (r) {  in sm_metadata_new_block()
484 		return r;  in sm_metadata_new_block()
489 	return r;  in sm_metadata_new_block()
494 	int r;  in sm_metadata_commit()  local
497 	r = sm_ll_commit(&smm->ll);  in sm_metadata_commit()
498 	if (r)  in sm_metadata_commit()
499 		return r;  in sm_metadata_commit()
695 	int r, i;  in sm_metadata_extend()  local
708 	r = sm_ll_extend(&smm->ll, extra_blocks);  in sm_metadata_extend()
709 	if (r)  in sm_metadata_extend()
717 		for (i = old_len; !r && i < smm->begin; i++)  in sm_metadata_extend()
718 			r = add_bop(smm, BOP_INC, i);  in sm_metadata_extend()
720 		if (r)  in sm_metadata_extend()
725 		r = apply_bops(smm);  in sm_metadata_extend()
726 		if (r) {  in sm_metadata_extend()
731 		r = sm_ll_commit(&smm->ll);  in sm_metadata_extend()
732 		if (r)  in sm_metadata_extend()
742 	return r;  in sm_metadata_extend()
765 	int r;  in dm_sm_metadata_create()  local
777 	r = sm_ll_new_metadata(&smm->ll, tm);  in dm_sm_metadata_create()
778 	if (r)  in dm_sm_metadata_create()
779 		return r;  in dm_sm_metadata_create()
783 	r = sm_ll_extend(&smm->ll, nr_blocks);  in dm_sm_metadata_create()
784 	if (r)  in dm_sm_metadata_create()
785 		return r;  in dm_sm_metadata_create()
793 	for (i = superblock; !r && i < smm->begin; i++)  in dm_sm_metadata_create()
794 		r = add_bop(smm, BOP_INC, i);  in dm_sm_metadata_create()
796 	if (r)  in dm_sm_metadata_create()
797 		return r;  in dm_sm_metadata_create()
799 	r = apply_bops(smm);  in dm_sm_metadata_create()
800 	if (r) {  in dm_sm_metadata_create()
802 		return r;  in dm_sm_metadata_create()
812 	int r;  in dm_sm_metadata_open()  local
815 	r = sm_ll_open_metadata(&smm->ll, tm, root_le, len);  in dm_sm_metadata_open()
816 	if (r)  in dm_sm_metadata_open()
817 		return r;  in dm_sm_metadata_open()