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[70.77.221.9]) by smtp.gmail.com with ESMTPSA id j14-20020a17090a318e00b00226d0165d97sm15434011pjb.22.2023.01.14.04.09.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Jan 2023 04:09:21 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Andreas Dilger Mime-Version: 1.0 (1.0) Subject: Re: Should we orphan JFS? Date: Sat, 14 Jan 2023 05:09:10 -0700 Message-Id: <393B8E4A-8C9A-4941-9AFF-FAC9C0D0B2DA@dilger.ca> References: Cc: Harald Arnesen , Christoph Hellwig , jfs-discussion@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: To: Dave Kleikamp X-Mailer: iPhone Mail (20B101) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Jan 13, 2023, at 08:15, Dave Kleikamp wrote: >=20 > =EF=BB=BFOn 1/13/23 7:08AM, Harald Arnesen wrote: >> Christoph Hellwig [13/01/2023 06.42]: >>> Hi all, >>>=20 >>> 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 th= e hard disk that was used to record TV programmes. >> However, I don't think these boxes are used anymore. >=20 > 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. >=20 > Obviously, I haven't put much effort into JFS in a long time and I would n= ot miss it if it were to be removed. I've used MythTV for many years but haven't seen any particular recommendati= ons for JFS there. Mainly ext4 and XFS are the common filesystems to follow t= he main distros (Ubuntu in particular).=20 Cheers, Andreas=