Re: [PATCH] proc: Add a way to make proc files writable

[Andrew Morton]

On Thu, 31 Oct 2024 18:39:20 -0700 Qingjie Xing <xqjcool@xxxxxxxxx> wrote:

> Provide an extra function, proc_create_single_write_data() that
> act like its non-write version but also set a write method in
> the proc_dir_entry struct. Alse provide a macro
> proc_create_single_write to reduces the boilerplate code in the callers.
> 

Please fully describe the reason for making this change.

Also, we are reluctant to add a new interface to Linux unless we add
new users of that interface at the same time.

Thanks.