Re: [PATCH v7 1/3] llist: Add a lock-less list variant terminated by a sentinel node

From: Tejun Heo
Date: Mon Oct 03 2022 - 16:15:34 EST


On Mon, Oct 03, 2022 at 03:39:02PM -0400, Waiman Long wrote:
> There are 123 instances where llist_head is referenced in arch, driver,
> filesystem and kernel code. Going through all these to make sure that it
> will all work will be a major effort. I think it will be safer to allow both
> NULL and the sentinel node as the initializers and gradually convert them to
> use the proper llist APIs over time to complete the conversion. I am sorry
> that I can't spend that much time upfront for this conversion effort.

I see. Oh well, thanks for taking a look.