[PATCH] nvme: add comment to not use kobj_to_dev()

[Christoph Hellwig]

On Mon, Jun 21, 2021 at 09:17:43AM -0700, Keith Busch wrote:
> On Mon, Jun 21, 2021 at 07:32:51AM +0200, Christoph Hellwig wrote:
> > On Sun, Jun 20, 2021 at 08:09:40PM -0700, Chaitanya Kulkarni wrote:
> > > Add a comment in nvme_ns_id_attrs_are_visible() and
> > > nvme_dev_attrs_are_visible() not to replace container_of() with
> > > kobj_to_dev(). Since use of kobj_to_dev() makes code harder to read.
> > > 
> > > Suggested-by: Keith Busch <kbusch at kernel.org>
> > > Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
> > 
> > Err, no.  This code is completely obvious as is, and if people keep
> > sending these stupid patches we need to start blacklisting them.
> 
> People will continue to send these patches as long as
> scripts/coccinelle/api/kobj_to_dev.cocci keeps warning about it.

Maybe we need to fix that instead?