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From: Bart Van Assche <bvanassche@acm.org>
To: Damien Le Moal <dlemoal@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
	Keith Busch <keith.busch@wdc.com>, Christoph Hellwig <hch@lst.de>,
	dm-devel@lists.linux.dev, Mike Snitzer <snitzer@kernel.org>,
	Mikulas Patocka <mpatocka@redhat.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	linux-scsi@vger.kernel.org, linux-xfs@vger.kernel.org,
	Carlos Maiolino <cem@kernel.org>,
	linux-btrfs@vger.kernel.org, David Sterba <dsterba@suse.com>
Subject: Re: [PATCH v3 11/15] block: introduce BLKREPORTZONESV2 ioctl
Date: Tue, 4 Nov 2025 11:00:27 -0800	[thread overview]
Message-ID: <0cb7eefb-4501-47e8-805f-6e8737ca6bb5@acm.org> (raw)
In-Reply-To: <20251104013147.913802-12-dlemoal@kernel.org>

On 11/3/25 5:31 PM, Damien Le Moal wrote:
> - * @BLKREPORTZONE: Get zone information. Takes a zone report as argument.
> - *                 The zone report will start from the zone containing the
> - *                 sector specified in the report request structure.
> + * @BLKREPORTZONE: Get zone information from a zoned device. Takes a zone report
> + *		   as argument. The zone report will start from the zone
> + *		   containing the sector specified in struct blk_zone_report.
> + *		   The flags field of struct blk_zone_report is used as an
> + *		   output only and ignored as an input.
> + *		   DEPRECATED, use BLKREPORTZONEV2 instead.
> + * @BLKREPORTZONEV2: Same as @BLKREPORTZONE but uses the flags field of
> + *		     struct blk_zone_report as an input, allowing to get a zone
> + *		     report using cached zone information if BLK_ZONE_REP_CACHED
> + *		     is set.

Was it promised to add information in the above comment about the 
differences in accuracy between the two ioctls? See also
https://lore.kernel.org/linux-block/97535dde-5902-4f2f-951c-3470d26158da@kernel.org/

Thanks,

Bart.

  parent reply	other threads:[~2025-11-04 19:00 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-04  1:31 [PATCH v3 00/15] Introduce cached report zones Damien Le Moal
2025-11-04  1:31 ` [PATCH v3 01/15] block: handle zone management operations completions Damien Le Moal
2025-11-04  4:04   ` Chaitanya Kulkarni
2025-11-04 17:53   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 02/15] block: freeze queue when updating zone resources Damien Le Moal
2025-11-04  4:04   ` Chaitanya Kulkarni
2025-11-04 17:56   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 03/15] block: cleanup blkdev_report_zones() Damien Le Moal
2025-11-04  4:04   ` Chaitanya Kulkarni
2025-11-04  1:31 ` [PATCH v3 04/15] block: introduce disk_report_zone() Damien Le Moal
2025-11-04  4:05   ` Chaitanya Kulkarni
2025-11-04 19:39   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 05/15] block: reorganize struct blk_zone_wplug Damien Le Moal
2025-11-04  4:05   ` Chaitanya Kulkarni
2025-11-05  7:02   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 06/15] block: use zone condition to determine conventional zones Damien Le Moal
2025-11-04  4:05   ` Chaitanya Kulkarni
2025-11-05  7:04   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 07/15] block: track zone conditions Damien Le Moal
2025-11-04  4:08   ` Chaitanya Kulkarni
2025-11-05  7:06   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 08/15] block: refactor blkdev_report_zones() code Damien Le Moal
2025-11-04  4:09   ` Chaitanya Kulkarni
2025-11-05  7:07   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 09/15] block: introduce blkdev_get_zone_info() Damien Le Moal
2025-11-04  4:10   ` Chaitanya Kulkarni
2025-11-05  7:09   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 10/15] block: introduce blkdev_report_zones_cached() Damien Le Moal
2025-11-04  4:11   ` Chaitanya Kulkarni
2025-11-05  7:10   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 11/15] block: introduce BLKREPORTZONESV2 ioctl Damien Le Moal
2025-11-04  4:12   ` Chaitanya Kulkarni
2025-11-04 19:00   ` Bart Van Assche [this message]
2025-11-04 20:13     ` Damien Le Moal
2025-11-04 20:36       ` Bart Van Assche
2025-11-05  7:11   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 12/15] block: improve zone_wplugs debugfs attribute output Damien Le Moal
2025-11-04  4:13   ` Chaitanya Kulkarni
2025-11-05  7:11   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 13/15] block: add zone write plug condition to debugfs zone_wplugs Damien Le Moal
2025-11-04  4:15   ` Chaitanya Kulkarni
2025-11-04  7:37   ` Johannes Thumshirn
2025-11-05  7:12   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 14/15] btrfs: use blkdev_report_zones_cached() Damien Le Moal
2025-11-05  7:13   ` Hannes Reinecke
2025-11-04  1:31 ` [PATCH v3 15/15] xfs: " Damien Le Moal
2025-11-04  4:15   ` Chaitanya Kulkarni
2025-11-05  7:14   ` Hannes Reinecke
2025-11-04 14:41 ` [PATCH v3 00/15] Introduce cached report zones Christoph Hellwig
2025-11-04 20:59   ` Damien Le Moal

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