Re: [PATCH] [v2] bcache: hide variable-sized types from uapi header check

[Christoph Hellwig]

On Mon, Oct 18, 2021 at 10:42:37PM +0800, Coly Li wrote:
> I am quite open for this idea. It is in uapi directory before I maintain 
> bcache. I just though the header fines on-media format should go into 
> include/uapi/, but if this is not the restricted rule, it is fine for me to 
> move this header to drivers/md/bcache/.

Having the on-disk format in uapi seems weird.  It isn't a userspace
ABI in any way.