1395 		struct bset *n1 = btree_bset_first(new_nodes[i]);  in btree_gc_coalesce()  local
1405 				if (__set_blocks(n1, n1->keys + keys +  in btree_gc_coalesce()
1422 			if (__set_blocks(n1, n1->keys + n2->keys,  in btree_gc_coalesce()
1432 		BUG_ON(__set_blocks(n1, n1->keys + keys, block_bytes(b->c->cache)) >  in btree_gc_coalesce()
1438 		memcpy(bset_bkey_last(n1),  in btree_gc_coalesce()
1442 		n1->keys += keys;  in btree_gc_coalesce()
1443 		r[i].keys = n1->keys;  in btree_gc_coalesce()
2225 	struct btree *n1, *n2 = NULL, *n3 = NULL;  in btree_split()  local
2240 	n1 = btree_node_alloc_replacement(b, op);  in btree_split()
2241 	if (IS_ERR(n1))  in btree_split()
2244 	split = set_blocks(btree_bset_first(n1),  in btree_split()
2245 			   block_bytes(n1->c->cache)) > (btree_blocks(b) * 4) / 5;  in btree_split()
2250 		trace_bcache_btree_node_split(b, btree_bset_first(n1)->keys);  in btree_split()
2262 		mutex_lock(&n1->write_lock);  in btree_split()
2265 		bch_btree_insert_keys(n1, op, insert_keys, replace_key);  in btree_split()
2272 		while (keys < (btree_bset_first(n1)->keys * 3) / 5)  in btree_split()
2273 			keys += bkey_u64s(bset_bkey_idx(btree_bset_first(n1),  in btree_split()
2276 		bkey_copy_key(&n1->key,  in btree_split()
2277 			      bset_bkey_idx(btree_bset_first(n1), keys));  in btree_split()
2278 		keys += bkey_u64s(bset_bkey_idx(btree_bset_first(n1), keys));  in btree_split()
2280 		btree_bset_first(n2)->keys = btree_bset_first(n1)->keys - keys;  in btree_split()
2281 		btree_bset_first(n1)->keys = keys;  in btree_split()
2284 		       bset_bkey_last(btree_bset_first(n1)),  in btree_split()
2294 		trace_bcache_btree_node_compact(b, btree_bset_first(n1)->keys);  in btree_split()
2296 		mutex_lock(&n1->write_lock);  in btree_split()
2297 		bch_btree_insert_keys(n1, op, insert_keys, replace_key);  in btree_split()
2300 	bch_keylist_add(&parent_keys, &n1->key);  in btree_split()
2301 	bch_btree_node_write(n1, &cl);  in btree_split()
2302 	mutex_unlock(&n1->write_lock);  in btree_split()
2318 		bch_btree_set_root(n1);  in btree_split()
2330 	rw_unlock(true, n1);  in btree_split()
2340 	bkey_put(b->c, &n1->key);  in btree_split()
2341 	btree_node_free(n1);  in btree_split()
2342 	rw_unlock(true, n1);  in btree_split()
2348 	    n1 == ERR_PTR(-EAGAIN))  in btree_split()