linux-kernel - Re: simplify procfs code for seq

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Date:   Tue, 24 Apr 2018 16:23:04 +0200
From:   Christoph Hellwig <hch@....de>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Corey Minyard <minyard@....org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-acpi@...r.kernel.org, drbd-dev@...ts.linbit.com,
        linux-ide@...r.kernel.org, netdev@...r.kernel.org,
        linux-rtc@...r.kernel.org, megaraidlinux.pdl@...adcom.com,
        linux-scsi@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-afs@...ts.infradead.org, linux-ext4@...r.kernel.org,
        jfs-discussion@...ts.sourceforge.net,
        netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: simplify procfs code for seq_file instances

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.