linux-kernel - Re: [PATCH] relay: Remove unused relay_late_setup

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Message-ID: <CAL+tcoCJxoiGi=Ea1KCG4_ri2=GbNhhVhEV5anMLyai6qg2zeA@mail.gmail.com>
Date: Tue, 13 May 2025 08:49:53 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, corbet@....net, linux-doc@...r.kernel.org, 
	LKML <linux-kernel@...r.kernel.org>, linux@...blig.org, viro@...iv.linux.org.uk, 
	Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH] relay: Remove unused relay_late_setup_files

On Mon, May 12, 2025 at 10:55 PM Christoph Hellwig <hch@...radead.org> wrote:
>
> On Mon, May 12, 2025 at 09:14:56AM +0300, Andy Shevchenko wrote:
> > Also note, we usually do not care about the out-of-tree users. The main Q here
> > why are they out-of-tree for so long time?
>
> We do not care.  If some of this ever gets submitted it can add the
> needed helpers back.
>
> This entire discussion is silly.
>

I'm surprised how you described it....

Now relay works like a filesystem which helps out-of-tree users
transfer a large amount of data efficiently. it's totally not like
other pure dead code. I meant what the trouble of just leaving it
untouched in the kernel could be?

Let me put in a simpler way, two options, 1) just clean up, 2) keep it
and help so-called 'out-of-tree' users even if you don't care. I don't
figure out what the difficulty of keeping it is :S

It seems that turning it back to a filesystem again is the only way to
stop debate, then no one would clean up its dead code and reckon it's
obsolete any more :S