linux-kernel - Re: Is it time to remove reiserfs?

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Message-ID: <257dc4a9-dfa0-327e-f05a-71c0d9742e98@winds.org>
Date:   Fri, 25 Feb 2022 08:10:22 -0500 (EST)
From:   Byron Stanoszek <gandalf@...ds.org>
To:     Matthew Wilcox <willy@...radead.org>
cc:     Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.cz>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        reiserfs-devel@...r.kernel.org
Subject: Re: Is it time to remove reiserfs?

On Thu, 24 Feb 2022, Matthew Wilcox wrote:
> On Wed, Feb 23, 2022 at 09:48:26AM -0500, Byron Stanoszek wrote:
>> For what it's worth, I have a number of production servers still using
>> Reiserfs, which I regularly maintain by upgrading to the latest Linux kernel
>> annually (mostly to apply security patches). I figured this filesystem would
>> still be available for several more years, since it's not quite y2038k yet.
>
> Hey Byron, thanks for sharing your usage.
>
> It's not entirely clear to me from your message whether you're aware
> that our annual LTS release actually puts out new kernels every week (or
> sometimes twice a week), and upgrades to the latest version are always
> recommended.  Those LTS kernels typically get five years of support in
> total; indeed we just retired the v4.4 series earlier this month which
> was originally released in January 2016, so it got six years of support.
>
> If we dropped reiserfs from the kernel today (and thanks to Edward, we
> don't have to), you'd still be able to use a v5.15 based kernel with
> regular updates until 2028.  If we drop it in two years, that should
> take you through to 2030.  Is that enough for your usage?

I'm aware of the LTS releases, but I hadn't thought about them in relation to
this issue. That's a good point, and so it sounds like I have nothing to worry
about.

Thanks for the recommendation.

Regards,
  -Byron