linux-kernel - Re: Should we orphan JFS?

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Date:   Fri, 13 Jan 2023 09:06:00 -0600
From:   Dave Kleikamp <dave.kleikamp@...cle.com>
To:     Harald Arnesen <harald@...gtun.org>,
        Christoph Hellwig <hch@...radead.org>
Cc:     jfs-discussion@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Should we orphan JFS?

On 1/13/23 7:08AM, Harald Arnesen wrote:
> Christoph Hellwig [13/01/2023 06.42]:
> 
>> Hi all,
>>
>> A while ago we've deprecated reiserfs and scheduled it for removal.
>> Looking into the hairy metapage code in JFS I wonder if we should do
>> the same.  While JFS isn't anywhere as complicated as reiserfs, it's
>> also way less used and never made it to be the default file system
>> in any major distribution.  It's also looking pretty horrible in
>> xfstests, and with all the ongoing folio work and hopeful eventual
>> phaseout of buffer head based I/O path it's going to be a bit of a drag.
>> (Which also can be said for many other file system, most of them being
>> a bit simpler, though).
> 
> The Norwegian ISP/TV provider used to have IPTV-boxes which had JFS on 
> the hard disk that was used to record TV programmes.
> 
> However, I don't think these boxes are used anymore.

I know at one time it was one of the recommended filesystems for MythTV. 
I don't know of any other major users of JFS. I don't know if there is 
anyone familiar with the MythTV community that could weigh in.

Obviously, I haven't put much effort into JFS in a long time and I would 
not miss it if it were to be removed.

Shaggy