From: Christoph Hellwig <hch@lst.de>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Chaitanya Kulkarni <chaitanyak@nvidia.com>,
Bart Van Assche <bvanassche@acm.org>,
Jens Axboe <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
Christoph Hellwig <hch@lst.de>,
"dm-devel@lists.linux.dev" <dm-devel@lists.linux.dev>,
Mike Snitzer <snitzer@kernel.org>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Mikulas Patocka <mpatocka@redhat.com>,
"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>,
Carlos Maiolino <cem@kernel.org>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
David Sterba <dsterba@suse.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH 07/13] block: track zone conditions
Date: Tue, 4 Nov 2025 13:03:09 +0100 [thread overview]
Message-ID: <20251104120309.GA16283@lst.de> (raw)
In-Reply-To: <83b60505-64a4-40fe-aa50-02a56ca7ad8c@kernel.org>
On Tue, Nov 04, 2025 at 07:53:07AM +0900, Damien Le Moal wrote:
> > In case current file systems store this, isn't that a code duplication for each
> > fs ? perhaps having a central interface at block layer should help remove the
> > code duplication ?
>
> catch 22: You cannot ask the file system without first knowing the zone layout
> and conditions of zone to check the file system metadata.
The file system also really needs to verify that it's view matches the
hardware view at mount time, otherwise you'll run into really nasty
cases later when they are out of sync due to a bug or corruption.
next prev parent reply other threads:[~2025-11-04 12:03 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-31 6:12 [PATCH 00/13] Introduce cached report zones Damien Le Moal
2025-10-31 6:12 ` [PATCH 01/13] block: freeze queue when updating zone resources Damien Le Moal
2025-10-31 8:44 ` Christoph Hellwig
2025-10-31 17:48 ` Bart Van Assche
2025-11-03 5:55 ` Damien Le Moal
2025-11-03 7:18 ` Daniel Vacek
2025-11-03 7:23 ` Damien Le Moal
2025-11-03 7:30 ` Damien Le Moal
2025-11-03 11:17 ` Hannes Reinecke
2025-10-31 6:12 ` [PATCH 02/13] block: cleanup blkdev_report_zones() Damien Le Moal
2025-10-31 8:45 ` Christoph Hellwig
2025-10-31 17:55 ` Bart Van Assche
2025-11-03 11:15 ` Hannes Reinecke
2025-10-31 6:12 ` [PATCH 03/13] block: handle zone management operations completions Damien Le Moal
2025-10-31 8:46 ` Christoph Hellwig
2025-10-31 18:01 ` Bart Van Assche
2025-11-03 6:25 ` Damien Le Moal
2025-11-03 11:41 ` Hannes Reinecke
2025-11-03 12:59 ` Damien Le Moal
2025-10-31 6:12 ` [PATCH 04/13] block: introduce disk_report_zone() Damien Le Moal
2025-10-31 8:47 ` Christoph Hellwig
2025-10-31 20:54 ` Bart Van Assche
2025-11-03 5:56 ` Damien Le Moal
2025-10-31 6:12 ` [PATCH 05/13] block: reorganize struct blk_zone_wplug Damien Le Moal
2025-10-31 8:47 ` Christoph Hellwig
2025-10-31 20:55 ` Bart Van Assche
2025-10-31 6:13 ` [PATCH 06/13] block: use zone condition to determine conventional zones Damien Le Moal
2025-10-31 8:48 ` Christoph Hellwig
2025-10-31 21:04 ` Bart Van Assche
2025-11-03 6:00 ` Damien Le Moal
2025-10-31 6:13 ` [PATCH 07/13] block: track zone conditions Damien Le Moal
2025-10-31 8:51 ` Christoph Hellwig
2025-10-31 21:17 ` Bart Van Assche
2025-11-03 6:05 ` Damien Le Moal
2025-11-03 15:48 ` Bart Van Assche
2025-11-03 16:34 ` Chaitanya Kulkarni
2025-11-03 22:53 ` Damien Le Moal
2025-11-04 12:03 ` Christoph Hellwig [this message]
2025-11-03 18:31 ` Bart Van Assche
2025-11-03 22:34 ` Damien Le Moal
2025-11-03 22:40 ` Damien Le Moal
2025-10-31 6:13 ` [PATCH 08/13] block: introduce blkdev_get_zone_info() Damien Le Moal
2025-10-31 8:52 ` Christoph Hellwig
2025-10-31 21:40 ` Bart Van Assche
2025-11-03 6:08 ` Damien Le Moal
2025-11-03 10:29 ` Christoph Hellwig
2025-10-31 6:13 ` [PATCH 09/13] block: introduce blkdev_report_zones_cached() Damien Le Moal
2025-10-31 8:53 ` Christoph Hellwig
2025-10-31 21:53 ` Bart Van Assche
2025-11-03 6:12 ` Damien Le Moal
2025-11-03 7:18 ` Damien Le Moal
2025-10-31 6:13 ` [PATCH 10/13] block: introduce BLKREPORTZONESV2 ioctl Damien Le Moal
2025-10-31 8:54 ` Christoph Hellwig
2025-10-31 16:52 ` Bart Van Assche
2025-11-03 5:51 ` Damien Le Moal
2025-11-03 10:23 ` Christoph Hellwig
2025-10-31 6:13 ` [PATCH 11/13] block: add zone write plug condition to debugfs zone_wplugs Damien Le Moal
2025-10-31 8:54 ` Christoph Hellwig
2025-10-31 21:55 ` Bart Van Assche
2025-10-31 6:13 ` [PATCH 12/13] btrfs: use blkdev_report_zones_cached() Damien Le Moal
2025-10-31 19:01 ` David Sterba
2025-10-31 6:13 ` [PATCH 13/13] xfs: " Damien Le Moal
2025-10-31 8:55 ` Christoph Hellwig
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