113 	unsigned r = old + 1;  in brb_next()  local
114 	return (r >= (sizeof(brb->bops) / sizeof(*brb->bops))) ? 0 : r;  in brb_next()
174 	int r = brb_push(&smm->uncommitted, type, b);  in add_bop()  local
176 	if (r) {  in add_bop()
186 	int r = 0;  in commit_bop()  local
191 		r = sm_ll_inc(&smm->ll, op->block, &ev);  in commit_bop()
195 		r = sm_ll_dec(&smm->ll, op->block, &ev);  in commit_bop()
199 	return r;  in commit_bop()
209 	int r = 0;  in apply_bops()  local
214 		r = brb_pop(&smm->uncommitted, &bop);  in apply_bops()
215 		if (r) {  in apply_bops()
220 		r = commit_bop(smm, &bop);  in apply_bops()
221 		if (r)  in apply_bops()
225 	return r;  in apply_bops()
230 	int r = 0;  in out()  local
245 	return r;  in out()
292 	int r;  in sm_metadata_get_count()  local
320 	r = sm_ll_lookup(&smm->ll, b, result);  in sm_metadata_get_count()
321 	if (r)  in sm_metadata_get_count()
322 		return r;  in sm_metadata_get_count()
332 	int r, adjustment = 0;  in sm_metadata_count_is_more_than_one()  local
366 	r = sm_ll_lookup_bitmap(&smm->ll, b, &rc);  in sm_metadata_count_is_more_than_one()
367 	if (r)  in sm_metadata_count_is_more_than_one()
368 		return r;  in sm_metadata_count_is_more_than_one()
384 	int r, r2;  in sm_metadata_set_count()  local
394 	r = sm_ll_insert(&smm->ll, b, count, &ev);  in sm_metadata_set_count()
397 	return combine_errors(r, r2);  in sm_metadata_set_count()
402 	int r, r2 = 0;  in sm_metadata_inc_block()  local
407 		r = add_bop(smm, BOP_INC, b);  in sm_metadata_inc_block()
410 		r = sm_ll_inc(&smm->ll, b, &ev);  in sm_metadata_inc_block()
414 	return combine_errors(r, r2);  in sm_metadata_inc_block()
419 	int r, r2 = 0;  in sm_metadata_dec_block()  local
424 		r = add_bop(smm, BOP_DEC, b);  in sm_metadata_dec_block()
427 		r = sm_ll_dec(&smm->ll, b, &ev);  in sm_metadata_dec_block()
431 	return combine_errors(r, r2);  in sm_metadata_dec_block()
436 	int r, r2 = 0;  in sm_metadata_new_block_()  local
440 	r = sm_ll_find_free_block(&smm->old_ll, smm->begin, smm->old_ll.nr_blocks, b);  in sm_metadata_new_block_()
441 	if (r)  in sm_metadata_new_block_()
442 		return r;  in sm_metadata_new_block_()
447 		r = add_bop(smm, BOP_INC, *b);  in sm_metadata_new_block_()
450 		r = sm_ll_inc(&smm->ll, *b, &ev);  in sm_metadata_new_block_()
454 	if (!r)  in sm_metadata_new_block_()
457 	return combine_errors(r, r2);  in sm_metadata_new_block_()
465 	int r = sm_metadata_new_block_(sm, b);  in sm_metadata_new_block()  local
466 	if (r) {  in sm_metadata_new_block()
468 		return r;  in sm_metadata_new_block()
471 	r = sm_metadata_get_nr_free(sm, &count);  in sm_metadata_new_block()
472 	if (r) {  in sm_metadata_new_block()
474 		return r;  in sm_metadata_new_block()
479 	return r;  in sm_metadata_new_block()
484 	int r;  in sm_metadata_commit()  local
487 	r = sm_ll_commit(&smm->ll);  in sm_metadata_commit()
488 	if (r)  in sm_metadata_commit()
489 		return r;  in sm_metadata_commit()
685 	int r, i;  in sm_metadata_extend()  local
699 	r = sm_ll_extend(&smm->ll, extra_blocks);  in sm_metadata_extend()
700 	if (r)  in sm_metadata_extend()
708 		for (i = old_len; !r && i < smm->begin; i++) {  in sm_metadata_extend()
709 			r = sm_ll_inc(&smm->ll, i, &ev);  in sm_metadata_extend()
710 			if (r)  in sm_metadata_extend()
715 		r = apply_bops(smm);  in sm_metadata_extend()
716 		if (r) {  in sm_metadata_extend()
721 		r = sm_ll_commit(&smm->ll);  in sm_metadata_extend()
722 		if (r)  in sm_metadata_extend()
732 	return r;  in sm_metadata_extend()
755 	int r;  in dm_sm_metadata_create()  local
768 	r = sm_ll_new_metadata(&smm->ll, tm);  in dm_sm_metadata_create()
769 	if (r)  in dm_sm_metadata_create()
770 		return r;  in dm_sm_metadata_create()
774 	r = sm_ll_extend(&smm->ll, nr_blocks);  in dm_sm_metadata_create()
775 	if (r)  in dm_sm_metadata_create()
776 		return r;  in dm_sm_metadata_create()
784 	for (i = superblock; !r && i < smm->begin; i++)  in dm_sm_metadata_create()
785 		r = sm_ll_inc(&smm->ll, i, &ev);  in dm_sm_metadata_create()
787 	if (r)  in dm_sm_metadata_create()
788 		return r;  in dm_sm_metadata_create()
790 	r = apply_bops(smm);  in dm_sm_metadata_create()
791 	if (r) {  in dm_sm_metadata_create()
793 		return r;  in dm_sm_metadata_create()
803 	int r;  in dm_sm_metadata_open()  local
806 	r = sm_ll_open_metadata(&smm->ll, tm, root_le, len);  in dm_sm_metadata_open()
807 	if (r)  in dm_sm_metadata_open()
808 		return r;  in dm_sm_metadata_open()