ECRYPTFS_KEY_VALID
if (!(crypt_stat->flags & ECRYPTFS_KEY_VALID)) {
if (!(crypt_stat->flags & ECRYPTFS_KEY_VALID)) {
crypt_stat->flags |= ECRYPTFS_KEY_VALID;
crypt_stat->flags &= ~(ECRYPTFS_KEY_VALID);
crypt_stat->flags |= (ECRYPTFS_ENCRYPTED | ECRYPTFS_KEY_VALID);
crypt_stat->flags & ECRYPTFS_KEY_VALID) {
|| !(crypt_stat->flags & ECRYPTFS_KEY_VALID))) {
crypt_stat->flags |= ECRYPTFS_KEY_VALID;
crypt_stat->flags |= ECRYPTFS_KEY_VALID;