Re: [PATCH 0/5] v2: block subsystem refcounter conversions

Christoph Hellwig
2017-04-21T10:56:54Z

On Thu, Apr 20, 2017 at 11:33:19AM -0700, Eric Biggers wrote:
> Like I suggested months ago, how about doing an efficient implementation of
> refcount_t which doesn't use the bloated cmpxchg loop? Then there would be no
> need for endless performance arguments. In fact, in PaX there are already
> example implementations for several architectures. It's unfortunate that
> they're still being ignored for some reason.

Yes. I will also NAK other conversions until this is done, which is a
bit sad as the recount_t API itself is very useful.