[Drbd-dev] simplify procfs code for seq_file instances

[Christoph Hellwig]

On Thu, Apr 19, 2018 at 09:57:50PM +0300, Alexey Dobriyan wrote:
> >     git://git.infradead.org/users/hch/misc.git proc_create
> 
> 
> I want to ask if it is time to start using poorman function overloading
> with _b_c_e(). There are millions of allocation functions for example,
> all slightly difference, and people will add more. Seeing /proc interfaces
> doubled like this is painful.

Function overloading is totally unacceptable.

And I very much disagree with a tradeoff that keeps 5000 lines of 
code vs a few new helpers.