Re: [RFC PATCH] scsi, block: fix duplicate bdi name registration crashes

[Christoph Hellwig]

On Mon, Jan 30, 2017 at 12:57:05PM -0800, Dan Williams wrote:
> 
> struct kref {
>         atomic_t refcount;
> };
> 
> ...so what do we gain by open coding kref_get() and kref_put()?

A much less ugly calling convention.