Re: [PATCH v6 5/6] lib/dlock-list: Enable faster lookup with hashing

From: Davidlohr Bueso
Date: Thu Oct 05 2017 - 07:06:19 EST

On Thu, 05 Oct 2017, Jan Kara wrote:

OK, this makes sense but do you have any particular user in mind? In
particular I'm not sure how big advantage this API brings over an existing
one in include/linux/list_bl.h. Sure it's a tradeoff between bitlock /
spinlock but is there a user where it matters?

This was tailored with epoll nested callbacks in mind, we've been discussing
offline. I have not looked at list_bl.h nonetheless.