essiv_hash_tfm 18 fs/crypto/keysetup.c static struct crypto_shash *essiv_hash_tfm; essiv_hash_tfm 116 fs/crypto/keysetup.c struct crypto_shash *tfm = READ_ONCE(essiv_hash_tfm); essiv_hash_tfm 134 fs/crypto/keysetup.c prev_tfm = cmpxchg(&essiv_hash_tfm, NULL, tfm);