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From: Qu Wenruo <quwenruo.btrfs@gmx.com>
To: "swami@petaramesh.org" <swami@petaramesh.org>,
	linux-btrfs@vger.kernel.org
Cc: Christoph Anton Mitterer <calestyo@scientia.net>
Subject: Re: Re : Massive filesystem corruption since kernel 5.2 (ARCH)
Date: Tue, 27 Aug 2019 20:34:41 +0800	[thread overview]
Message-ID: <4aec59db-c4df-276e-28ca-586e8df89ad2@gmx.com> (raw)
In-Reply-To: <-z770dp-y45icx-naspi1dhhf7m-b1jjq3853x22lswnef-p5g363n8kd2f-vdijlg-jk4z4q-raec5-em5djr-et1h33i4xib8jxzw1zxyza74-miq3zn-e4azxaaeyo3abtrf6zj8nb18-hbhrrmnr1ww1.1566894946135@email.android.com>



On 2019/8/27 下午4:35, swami@petaramesh.org wrote:
> Hi Qu,
>
> Sorry for top-posting (my phone, uh...)
>
> I meant that I had understood that the V2 space cache was preferable to
> V1 only for multi-TB filesystems.
>
> So would you advise to use V2 space cache also for filesystems < 1 TB ?

Sorry, I'm not that familiar with space cache/tree code to do any
recommendation based on code.

My recommendation is, disable space cache if in doubt. Simple and
straightforward.

Thanks,
Qu
>
> TIA.
>
> Kind regards.
>
>
>
> -------- Message original --------
> Objet : Re: Massive filesystem corruption since kernel 5.2 (ARCH)
> De : Qu Wenruo
> À : Swâmi Petaramesh ,linux-btrfs@vger.kernel.org
> Cc : Christoph Anton Mitterer
>
>
>     > or to use the V2 space
>     > cache generally speaking, on any machine that I use (I had
>     understood it
>     > was useful only on multi-TB filesystems...)
>
>     10GiB is enough to create large enough block groups to utilize free
>     space cache.
>     So you can't really escape from free space cache.
>

  parent reply	other threads:[~2019-08-27 12:34 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-24 17:44 Massive filesystem corruption since kernel 5.2 (ARCH) Christoph Anton Mitterer
2019-08-25 10:00 ` Swâmi Petaramesh
2019-08-27  0:00   ` Christoph Anton Mitterer
2019-08-27  5:06     ` Swâmi Petaramesh
2019-08-27  6:13       ` Swâmi Petaramesh
2019-08-27  6:21         ` Qu Wenruo
2019-08-27  6:34           ` Swâmi Petaramesh
2019-08-27  6:52             ` Qu Wenruo
2019-08-27  9:14               ` Swâmi Petaramesh
2019-08-27 12:40                 ` Hans van Kranenburg
2019-08-29 12:46                   ` Oliver Freyermuth
2019-08-29 13:08                     ` Christoph Anton Mitterer
2019-08-29 13:09                     ` Swâmi Petaramesh
2019-08-29 13:11                     ` Qu Wenruo
2019-08-29 13:17                       ` Oliver Freyermuth
2019-08-29 17:40                         ` Oliver Freyermuth
     [not found]               ` <-z770dp-y45icx-naspi1dhhf7m-b1jjq3853x22lswnef-p5g363n8kd2f-vdijlg-jk4z4q-raec5-em5djr-et1h33i4xib8jxzw1zxyza74-miq3zn-e4azxaaeyo3abtrf6zj8nb18-hbhrrmnr1ww1.1566894946135@email.android.com>
2019-08-27 12:34                 ` Qu Wenruo [this message]
2019-08-27 10:59           ` Swâmi Petaramesh
2019-08-27 11:11             ` Alberto Bursi
2019-08-27 11:20               ` Swâmi Petaramesh
2019-08-27 11:29                 ` Alberto Bursi
2019-08-27 11:45                   ` Swâmi Petaramesh
2019-08-27 17:49               ` Swâmi Petaramesh
2019-08-27 22:10               ` Chris Murphy
2019-08-27 12:52 ` Michal Soltys
2019-09-12  7:50 ` Filipe Manana
2019-09-12  8:24   ` James Harvey
2019-09-12  9:06     ` Filipe Manana
2019-09-12  9:09     ` Holger Hoffstätte
2019-09-12 10:53     ` Swâmi Petaramesh
2019-09-12 12:58       ` Christoph Anton Mitterer
2019-10-14  4:00         ` Nicholas D Steeves
2019-09-12  8:48   ` Swâmi Petaramesh
2019-09-12 13:09   ` Christoph Anton Mitterer
2019-09-12 14:28     ` Filipe Manana
2019-09-12 14:39       ` Christoph Anton Mitterer
2019-09-12 14:57         ` Swâmi Petaramesh
2019-09-12 16:21           ` Zdenek Kaspar
2019-09-12 18:52             ` Swâmi Petaramesh
2019-09-13 18:50       ` Pete
     [not found]         ` <CACzgC9gvhGwyQAKm5J1smZZjim-ecEix62ZQCY-wwJYVzMmJ3Q@mail.gmail.com>
2019-10-14  2:07           ` Adam Bahe
2019-10-14  2:19             ` Qu Wenruo
2019-10-14 17:54             ` Chris Murphy

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