FS_IOC_REMOVE_ENCRYPTION_KEY  150 include/uapi/linux/fscrypt.h #define FS_IOC_REMOVE_ENCRYPTION_KEY		_IOWR('f', 24, struct fscrypt_remove_key_arg)
FS_IOC_REMOVE_ENCRYPTION_KEY  150 tools/include/uapi/linux/fscrypt.h #define FS_IOC_REMOVE_ENCRYPTION_KEY		_IOWR('f', 24, struct fscrypt_remove_key_arg)