[PATCH v17 11/13] open: introduce openat2(2) syscall

[Al Viro]

On Sun, Nov 17, 2019 at 12:17:11PM +1100, Aleksa Sarai wrote:

> +/* how->upgrade flags for openat2(2). */
> +/* First bit is reserved for a future UPGRADE_NOEXEC flag. */
> +#define UPGRADE_NOREAD		0x02 /* Block re-opening with MAY_READ. */
> +#define UPGRADE_NOWRITE		0x04 /* Block re-opening with MAY_WRITE. */

I'd drop that chunk, for the lack of ->upgrade...