Re: [PATCH 1/3] readfile: implement readfile syscall

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Sat, Jul 04, 2020 at 04:02:47PM +0200, Greg Kroah-Hartman wrote:
> +	/* only accept a small subset of O_ flags that make sense */
> +	if ((flags & (O_NOFOLLOW | O_NOATIME)) != flags)
> +		return -EINVAL;
> +
> +	/* add some needed flags to be able to open the file properly */
> +	flags |= O_RDONLY | O_LARGEFILE;

Should we also add O_NOCTTY to prevent any problems if this is called on
a tty?