run_xor 1275 fs/btrfs/raid56.c run_xor(pointers + 1, nr_data - 1, PAGE_SIZE); run_xor 1937 fs/btrfs/raid56.c run_xor(pointers, rbio->nr_data - 1, PAGE_SIZE); run_xor 2434 fs/btrfs/raid56.c run_xor(pointers + 1, nr_data - 1, PAGE_SIZE);