ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES 2120 fs/ecryptfs/crypto.c (*namelen) -= ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES; ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES 655 fs/ecryptfs/keystore.c s->num_rand_bytes = (ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES + 1);