Re: [PATCH 3/4] watch_queue: Implement mount topology and attribute change notifications

From: Linus Torvalds
Date: Fri Jul 24 2020 - 16:26:11 EST

On Fri, Jul 24, 2020 at 12:59 PM David Howells <dhowells@xxxxxxxxxx> wrote:
> That's a good point. Any suggestions on how to do it? An additional RLIMIT?
> Or should I do it like I did with keyrings and separately manage a quota for
> each user?

I'd count them per user, and maybe start out saying "you can have as
many watches as you can have files" and just re-use RLIMIT_NOFILE as
the limit for them.

And if that causes problems, let's re-visit. How does that sound?