1404 		struct bset *n1 = btree_bset_first(new_nodes[i]);  in btree_gc_coalesce()  local
1414 				if (__set_blocks(n1, n1->keys + keys +  in btree_gc_coalesce()
1431 			if (__set_blocks(n1, n1->keys + n2->keys,  in btree_gc_coalesce()
1441 		BUG_ON(__set_blocks(n1, n1->keys + keys, block_bytes(b->c->cache)) >  in btree_gc_coalesce()
1447 		memcpy(bset_bkey_last(n1),  in btree_gc_coalesce()
1451 		n1->keys += keys;  in btree_gc_coalesce()
1452 		r[i].keys = n1->keys;  in btree_gc_coalesce()
2242 	struct btree *n1, *n2 = NULL, *n3 = NULL;  in btree_split()  local
2257 	n1 = btree_node_alloc_replacement(b, op);  in btree_split()
2258 	if (IS_ERR(n1))  in btree_split()
2261 	split = set_blocks(btree_bset_first(n1),  in btree_split()
2262 			   block_bytes(n1->c->cache)) > (btree_blocks(b) * 4) / 5;  in btree_split()
2267 		trace_bcache_btree_node_split(b, btree_bset_first(n1)->keys);  in btree_split()
2279 		mutex_lock(&n1->write_lock);  in btree_split()
2282 		bch_btree_insert_keys(n1, op, insert_keys, replace_key);  in btree_split()
2289 		while (keys < (btree_bset_first(n1)->keys * 3) / 5)  in btree_split()
2290 			keys += bkey_u64s(bset_bkey_idx(btree_bset_first(n1),  in btree_split()
2293 		bkey_copy_key(&n1->key,  in btree_split()
2294 			      bset_bkey_idx(btree_bset_first(n1), keys));  in btree_split()
2295 		keys += bkey_u64s(bset_bkey_idx(btree_bset_first(n1), keys));  in btree_split()
2297 		btree_bset_first(n2)->keys = btree_bset_first(n1)->keys - keys;  in btree_split()
2298 		btree_bset_first(n1)->keys = keys;  in btree_split()
2301 		       bset_bkey_last(btree_bset_first(n1)),  in btree_split()
2311 		trace_bcache_btree_node_compact(b, btree_bset_first(n1)->keys);  in btree_split()
2313 		mutex_lock(&n1->write_lock);  in btree_split()
2314 		bch_btree_insert_keys(n1, op, insert_keys, replace_key);  in btree_split()
2317 	bch_keylist_add(&parent_keys, &n1->key);  in btree_split()
2318 	bch_btree_node_write(n1, &cl);  in btree_split()
2319 	mutex_unlock(&n1->write_lock);  in btree_split()
2335 		bch_btree_set_root(n1);  in btree_split()
2347 	rw_unlock(true, n1);  in btree_split()
2357 	bkey_put(b->c, &n1->key);  in btree_split()
2358 	btree_node_free(n1);  in btree_split()
2359 	rw_unlock(true, n1);  in btree_split()
2365 	    n1 == ERR_PTR(-EAGAIN))  in btree_split()