fs/bcachefs/btree_update_interior.c

156 /* Calculate ideal packed bkey format for new btree nodes: */
201  * bch2_btree_node_format_fits - check if we could rewrite node with a new format
206  * @new_f:	bkey format to translate keys to
210  * Assumes all keys will successfully pack with the new format.
216 	size_t u64s = btree_node_u64s_with_format(nr, &b->format, new_f);
448 	struct bkey_format format = bch2_btree_calc_format(b);
451 	 * The keys might expand with the new format - if they wouldn't fit in
452 	 * the btree node anymore, use the old format for now:
454 	if (!bch2_btree_node_format_fits(as->c, b, b->nr, &format))
455 		format = b->format;
462 	n->data->format		= format;
463 	btree_node_set_format(n, format);
478 	b->data->format = bch2_btree_calc_format(b);
480 	btree_node_set_format(b, b->data->format);
1450 	struct bkey_format_state format[2];
1466 		bch2_bkey_format_init(&format[i]);
1486 		bch2_bkey_format_add_key(&format[i], &uk);
1489 		nr_keys[i].val_u64s += bkeyp_val_u64s(&b->format, k);
1498 		bch2_bkey_format_add_pos(&format[i], n[i]->data->min_key);
1499 		bch2_bkey_format_add_pos(&format[i], n[i]->data->max_key);
1501 		n[i]->data->format = bch2_bkey_format_done(&format[i]);
1503 		unsigned u64s = nr_keys[i].nr_keys * n[i]->data->format.key_u64s +
1506 			n[i]->data->format = b->format;
1508 		btree_node_set_format(n[i], n[i]->data->format);
1519 		if (bch2_bkey_transform(&n[i]->format, out[i], bkey_packed(k)
1520 					? &b->format: &bch2_bkey_format_current, k))
1521 			out[i]->format = KEY_FORMAT_LOCAL_BTREE;
2028 	sib_u64s = btree_node_u64s_with_format(b->nr, &b->format, &new_f) +
2029 		btree_node_u64s_with_format(m->nr, &m->format, &new_f);
2065 	n->data->format	 = new_f;
2546 	b->data->format = bch2_btree_calc_format(b);
2547 	btree_node_set_format(b, b->data->format);