From: "Theodore Ts'o" <tytso@mit.edu>
To: Christoph Hellwig <hch@lst.de>
Cc: Pankaj Raghav <p.raghav@samsung.com>,
axboe@kernel.dk, pankydev8@gmail.com, gost.dev@samsung.com,
damien.lemoal@opensource.wdc.com, jiangbo.365@bytedance.com,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org, dsterba@suse.com,
dm-devel@redhat.com, linux-fsdevel@vger.kernel.org,
linux-btrfs@vger.kernel.org
Subject: Re: [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices
Date: Tue, 17 May 2022 11:34:54 -0400 [thread overview]
Message-ID: <YoPAnj9ufkt5nh1G@mit.edu> (raw)
In-Reply-To: <20220517081048.GA13947@lst.de>
On Tue, May 17, 2022 at 10:10:48AM +0200, Christoph Hellwig wrote:
> I'm a little surprised about all this activity.
>
> I though the conclusion at LSF/MM was that for Linux itself there
> is very little benefit in supporting this scheme. It will massively
> fragment the supported based of devices and applications, while only
> having the benefit of supporting some Samsung legacy devices.
FWIW,
That wasn't my impression from that LSF/MM session, but once the
videos become available, folks can decide for themselves.
- Ted
--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel
WARNING: multiple messages have this Message-ID (diff)
From: "Theodore Ts'o" <tytso@mit.edu>
To: Christoph Hellwig <hch@lst.de>
Cc: Pankaj Raghav <p.raghav@samsung.com>,
axboe@kernel.dk, pankydev8@gmail.com, gost.dev@samsung.com,
damien.lemoal@opensource.wdc.com, jiangbo.365@bytedance.com,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
dm-devel@redhat.com, dsterba@suse.com,
linux-btrfs@vger.kernel.org
Subject: Re: [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices
Date: Tue, 17 May 2022 11:34:54 -0400 [thread overview]
Message-ID: <YoPAnj9ufkt5nh1G@mit.edu> (raw)
In-Reply-To: <20220517081048.GA13947@lst.de>
On Tue, May 17, 2022 at 10:10:48AM +0200, Christoph Hellwig wrote:
> I'm a little surprised about all this activity.
>
> I though the conclusion at LSF/MM was that for Linux itself there
> is very little benefit in supporting this scheme. It will massively
> fragment the supported based of devices and applications, while only
> having the benefit of supporting some Samsung legacy devices.
FWIW,
That wasn't my impression from that LSF/MM session, but once the
videos become available, folks can decide for themselves.
- Ted
next prev parent reply other threads:[~2022-05-17 15:38 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220516165418eucas1p2be592d9cd4b35f6b71d39ccbe87f3fef@eucas1p2.samsung.com>
2022-05-16 16:54 ` [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 01/13] block: make blkdev_nr_zones and blk_queue_zone_no generic for npo2 zsze Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 02/13] block: allow blk-zoned devices to have non-power-of-2 zone size Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 19:05 ` [dm-devel] " Pankaj Raghav
2022-05-16 19:05 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 03/13] nvme: zns: Allow ZNS drives that have non-power_of_2 " Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 14:19 ` [dm-devel] " Johannes Thumshirn
2022-05-17 14:19 ` Johannes Thumshirn
2022-05-16 16:54 ` [dm-devel] [PATCH v4 05/13] btrfs: zoned: Cache superblock location in btrfs_zoned_device_info Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 21:58 ` [dm-devel] " David Sterba
2022-05-16 21:58 ` David Sterba
2022-05-17 7:55 ` [dm-devel] " Pankaj Raghav
2022-05-17 7:55 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 06/13] btrfs: zoned: Make sb_zone_number function non power of 2 compatible Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 6:53 ` [dm-devel] " Johannes Thumshirn
2022-05-17 6:53 ` Johannes Thumshirn
2022-05-17 11:51 ` [dm-devel] " David Sterba
2022-05-17 11:51 ` David Sterba
2022-05-16 16:54 ` [dm-devel] [PATCH v4 07/13] btrfs: zoned: use generic btrfs zone helpers to support npo2 zoned devices Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 12:30 ` [dm-devel] " David Sterba
2022-05-17 12:30 ` David Sterba
2022-05-18 9:40 ` [dm-devel] " Pankaj Raghav
2022-05-18 9:40 ` Pankaj Raghav
2022-05-18 11:21 ` [dm-devel] " David Sterba
2022-05-18 11:21 ` David Sterba
2022-05-19 4:13 ` [dm-devel] " Naohiro Aota
2022-05-19 4:13 ` Naohiro Aota
2022-05-16 16:54 ` [dm-devel] [PATCH v4 08/13] btrfs:zoned: make sb for npo2 zone devices align with sb log offsets Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 6:50 ` [dm-devel] " Johannes Thumshirn
2022-05-17 6:50 ` Johannes Thumshirn
2022-05-17 8:00 ` [dm-devel] " Pankaj Raghav
2022-05-17 8:00 ` Pankaj Raghav
2022-05-17 12:42 ` [dm-devel] " David Sterba
2022-05-17 12:42 ` David Sterba
2022-05-18 9:15 ` [dm-devel] " Pankaj Raghav
2022-05-18 9:15 ` Pankaj Raghav
2022-05-19 7:57 ` [dm-devel] " Johannes Thumshirn
2022-05-19 7:57 ` Johannes Thumshirn
2022-05-20 9:06 ` [dm-devel] " Pankaj Raghav
2022-05-20 9:06 ` Pankaj Raghav
2022-05-20 9:15 ` [dm-devel] " Johannes Thumshirn
2022-05-20 9:15 ` Johannes Thumshirn
2022-05-19 7:59 ` [dm-devel] " Naohiro Aota
2022-05-19 7:59 ` Naohiro Aota
2022-05-20 9:09 ` [dm-devel] " Pankaj Raghav
2022-05-20 9:09 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 09/13] btrfs: zoned: relax the alignment constraint for zoned devices Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 10/13] zonefs: allow non power of 2 " Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 11/13] null_blk: " Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 4:12 ` [dm-devel] " kernel test robot
2022-05-17 4:12 ` kernel test robot
2022-05-16 16:54 ` [dm-devel] [PATCH v4 12/13] null_blk: use zone_size_sects_shift for " Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-16 16:54 ` [dm-devel] [PATCH v4 13/13] dm-zoned: ensure only power of 2 zone sizes are allowed Pankaj Raghav
2022-05-16 16:54 ` Pankaj Raghav
2022-05-17 8:10 ` [dm-devel] [PATCH v4 00/13] support non power of 2 zoned devices Christoph Hellwig
2022-05-17 8:10 ` Christoph Hellwig
2022-05-17 9:18 ` [dm-devel] " Javier González
2022-05-17 9:18 ` Javier González
2022-05-18 8:00 ` [dm-devel] " Christoph Hellwig
2022-05-18 8:00 ` Christoph Hellwig
2022-05-19 15:25 ` [dm-devel] " Javier González
2022-05-19 15:25 ` Javier González
2022-05-17 15:34 ` Theodore Ts'o [this message]
2022-05-17 15:34 ` [dm-devel] " Theodore Ts'o
2022-05-18 23:06 ` Luis Chamberlain
2022-05-18 23:06 ` Luis Chamberlain
2022-05-19 3:08 ` Damien Le Moal
2022-05-19 3:08 ` Damien Le Moal
2022-05-19 3:12 ` Luis Chamberlain
2022-05-19 3:12 ` Luis Chamberlain
2022-05-19 3:19 ` Damien Le Moal
2022-05-19 3:19 ` Damien Le Moal
2022-05-19 7:34 ` Johannes Thumshirn
2022-05-19 7:34 ` Johannes Thumshirn
2022-05-20 3:47 ` Damien Le Moal
2022-05-20 3:47 ` Damien Le Moal
2022-05-20 6:07 ` Hannes Reinecke
2022-05-20 6:07 ` Hannes Reinecke
2022-05-20 6:27 ` Javier González
2022-05-20 6:27 ` Javier González
2022-05-20 6:41 ` Damien Le Moal
2022-05-20 6:41 ` Damien Le Moal
2022-05-20 6:59 ` Javier González
2022-05-20 6:59 ` Javier González
2022-05-20 9:30 ` Pankaj Raghav
2022-05-20 9:30 ` Pankaj Raghav
2022-05-20 17:18 ` David Sterba
2022-05-20 17:18 ` David Sterba
2022-05-23 8:25 ` Pankaj Raghav
2022-05-23 8:25 ` Pankaj Raghav
2022-05-20 9:30 ` Johannes Thumshirn
2022-05-20 9:30 ` Johannes Thumshirn
2022-05-20 10:16 ` Javier González
2022-05-20 10:16 ` Javier González
[not found] <CGME20220516133922eucas1p1c891cd1d82539b4e792acb5d1aa74444@eucas1p1.samsung.com>
2022-05-16 13:39 ` Pankaj Raghav
2022-05-16 14:15 ` Damien Le Moal
2022-05-16 14:15 ` Damien Le Moal
2022-05-16 14:33 ` notnand
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