md/persistent-data/dm-btree.c

555 	unsigned int nr_left = le32_to_cpu(left->header.nr_entries);
557 	unsigned int total = nr_left + nr_right;
561 	if (nr_left < target_left) {
562 		unsigned int delta = target_left - nr_left;
564 		copy_entries(left, nr_left, right, 0, delta);
566 	} else if (nr_left > target_left) {
567 		unsigned int delta = nr_left - target_left;
585 	unsigned int nr_left = le32_to_cpu(left->header.nr_entries);
592 	total = nr_left + nr_right;
597 	if (nr_left < target_left) {
598 		unsigned int left_short = target_left - nr_left;
600 		copy_entries(left, nr_left, right, 0, left_short);
604 	} else if (nr_left < (target_left + target_center)) {
605 		unsigned int left_to_center = nr_left - target_left;
615 		copy_entries(right, 0, left, nr_left - right_short, right_short);
616 		copy_entries(center, 0, left, target_left, nr_left - target_left);
842 	unsigned int nr_left, nr_right;
859 	nr_left = le32_to_cpu(pn->header.nr_entries) / 2;
862 	ln->header.nr_entries = cpu_to_le32(nr_left);
865 	memcpy(ln->keys, pn->keys, nr_left * sizeof(pn->keys[0]));
866 	memcpy(value_ptr(ln, 0), value_ptr(pn, 0), nr_left * size);
876 	nr_right = le32_to_cpu(pn->header.nr_entries) - nr_left;
882 	memcpy(rn->keys, pn->keys + nr_left, nr_right * sizeof(pn->keys[0]));
883 	memcpy(value_ptr(rn, 0), value_ptr(pn, nr_left),