linux-kernel - Re: [PATCH] logfs: remove from tree

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Date:   Mon, 12 Sep 2016 09:55:01 +0300
From:   Artem Bityutskiy <dedekind1@...il.com>
To:     Christoph Hellwig <hch@....de>, viro@...iv.linux.org.uk,
        joern@...fs.org, prasadjoshi.linux@...il.com
Cc:     logfs@...fs.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] logfs: remove from tree

On Sun, 2016-09-11 at 15:04 +0200, Christoph Hellwig wrote:
> Logfs was introduced to the kernel in 2009, and hasn't seen any non
> drive-by changes since 2012, while having lots of unsolved issues
> including the complete lack of error handling, with more and more
> issues popping up without any fixes.
> 
> The logfs.org domain has been bouncing from a mail, and the
> maintainer
> on the non-logfs.org domain hasn't repsonded to past queries either.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Back in 2008 logfs and UBIFS were in sort of competing projects. I
remember we inspected logfs code and tested it - we did not find proper
wear-levelling and bad block handling, we did not see proper error
handling, and it exploded when we were running relatively simple tests.
We indicated this here in a very humble way to avoid the "conflict of
interest" perseption:

https://lkml.org/lkml/2008/3/31/117

I did not follow logfs since then, but I think there wasn't much
development since then and all these issue are still there. I mean,
unless I am horribly mistaken, logfs does not really have the basic
features of a flash file system and there is no point keeping it in the
tree and consuming people's time maintaining it.

Artem.