Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christian Theune <ct@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Chris Mason <clm@xxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-mm@xxxxxxxxx, "linux-xfs@xxxxxxxxxxxxxxx" <linux-xfs@xxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Daniel Dao <dqminh@xxxxxxxxxxxxxx>, regressions@xxxxxxxxxxxxxxx, regressions@xxxxxxxxxxxxx
Subject: Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Date: Mon, 30 Sep 2024 16:00:32 -0700
In-reply-to: <cldkpg3wtz2ovbyh53verlcauhqla7x2bi5ru4qo3kf4ehbiwz@ou56y3qjr5cv>
Mail-followup-to: Matthew Wilcox <willy@xxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christian Theune <ct@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Chris Mason <clm@xxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-mm@xxxxxxxxx, "linux-xfs@xxxxxxxxxxxxxxx" <linux-xfs@xxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Daniel Dao <dqminh@xxxxxxxxxxxxxx>, regressions@xxxxxxxxxxxxxxx, regressions@xxxxxxxxxxxxx
References: <CAHk-=wgQ_OeAaNMA7A=icuf66r7Atz1-NNs9Qk8O=2gEjd=qTw@mail.gmail.com> <E6728F3E-374A-4A86-A5F2-C67CCECD6F7D@flyingcircus.io> <CAHk-=wgtHDOxi+1uXo8gJcDKO7yjswQr5eMs0cgAB6=mp+yWxw@mail.gmail.com> <D49C9D27-7523-41C9-8B8D-82B2A7CBE97B@flyingcircus.io> <02121707-E630-4E7E-837B-8F53B4C28721@flyingcircus.io> <CAHk-=wj6YRm2fpYHjZxNfKCC_N+X=T=ay+69g7tJ2cnziYT8=g@mail.gmail.com> <295BE120-8BF4-41AE-A506-3D6B10965F2B@flyingcircus.io> <CAHk-=wgF3LV2wuOYvd+gqri7=ZHfHjKpwLbdYjUnZpo49Hh4tA@mail.gmail.com> <ZvsQmJM2q7zMf69e@casper.infradead.org> <cldkpg3wtz2ovbyh53verlcauhqla7x2bi5ru4qo3kf4ehbiwz@ou56y3qjr5cv>
User-agent: NeoMutt/20240425

On Mon, 30 Sep 2024, Davidlohr Bueso wrote:\n

Also, the last sentence in the description would need to be dropped.


No never mind this, it is fine. I was mostly thinking about the pathological
unbounded scenario which is removed, but after re-reading the description
it is still valid.

References:
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Linus Torvalds
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Christian Theune
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Linus Torvalds
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Christian Theune
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Christian Theune
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Linus Torvalds
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Christian Theune
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Linus Torvalds
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Matthew Wilcox
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Davidlohr Bueso

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