On Thu, Dec 10, 2020 at 02:01:30PM +0100, Greg Kroah-Hartman wrote: > O_DIRECT is an interesting hack, has anyone seen if it violates the > posix rules for us to use it on a character device like this? Jiri only mentioned O_DIRECT as an example of a flag which we might be able to repurpose/abuse for this. O_DIRECT is linux-specific, not in POSIX, so we'd still end up with a Linux-specific interface if we were to take this route. Johan
