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From: Hannes Reinecke <hare@suse.de>
To: Damien Le Moal <dlemoal@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org
Cc: Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 01/14] block: remove disk_free_zone_resources()
Date: Wed, 5 Aug 2026 13:17:44 +0200	[thread overview]
Message-ID: <605be780-e25f-4566-b67a-f13731bb4fc4@suse.de> (raw)
In-Reply-To: <20260805022719.735323-2-dlemoal@kernel.org>

On 8/5/26 4:27 AM, Damien Le Moal wrote:
> In the rare event when revalidating the zones of a zoned block device
> fails, the device capacity will be dropped to 0. In such case, the zoned
> block device will either be rescanned and restored or dropped entirely and
> its gendisk destroyed. So calling disk_free_zone_resources() from
> blk_revalidate_disk_zones() in case of error does not make much sense. We
> can keep the zone resources in case the device is rescanned and restored
> or simply free all resources in disk_release_zone_resources() when the
> gendick is destroyed.
> 
> Remove the call to disk_free_zone_resources() from
> blk_revalidate_disk_zones() and squash disk_free_zone_resources() inside
> disk_release_zone_resources(). With this change, the conditional creation
> of the zone write plugs work queue is not necessary anymore as the
> workqueue will keep existing together with all other resources until the
> disk is released. This simplifies disk_alloc_zone_resources().
> 
> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
> ---
>   block/blk-zoned.c | 56 +++++++++++++++++------------------------------
>   1 file changed, 20 insertions(+), 36 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@suse.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich

  reply	other threads:[~2026-08-05 11:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-05  2:27 [PATCH 00/14] Improve handling of offline and read-only zones Damien Le Moal
2026-08-05  2:27 ` [PATCH 01/14] block: remove disk_free_zone_resources() Damien Le Moal
2026-08-05 11:17   ` Hannes Reinecke [this message]
2026-08-05 20:53   ` Bart Van Assche
2026-08-05  2:27 ` [PATCH 02/14] block: refactor disk_revalidate_zone_resources() Damien Le Moal
2026-08-05 11:23   ` Hannes Reinecke
2026-08-05  2:27 ` [PATCH 03/14] block: refactor disk_update_zone_resources() Damien Le Moal
2026-08-05  2:27 ` [PATCH 04/14] block: remember a zone type regardless of its condition Damien Le Moal
2026-08-05 21:20   ` Bart Van Assche
2026-08-05  2:27 ` [PATCH 05/14] block: refactor bdev_zone_is_seq() Damien Le Moal
2026-08-05  2:27 ` [PATCH 06/14] block: introduce disk_for_all_zone_wplugs() Damien Le Moal
2026-08-05 21:25   ` Bart Van Assche
2026-08-05  2:27 ` [PATCH 07/14] block: drop all zone write plugs on capacity changes Damien Le Moal
2026-08-05  2:27 ` [PATCH 08/14] block: propagate readonly and offline conditions to zone write plugs Damien Le Moal
2026-08-05  2:27 ` [PATCH 09/14] block: always treat offline and read-only zones as dead Damien Le Moal
2026-08-05  2:27 ` [PATCH 10/14] block: fail zone management operations to read-only and offline zones Damien Le Moal
2026-08-05  2:27 ` [PATCH 11/14] block: allow read-only and offline conventional zones Damien Le Moal
2026-08-05  2:27 ` [PATCH 12/14] block: simplify disk_zone_set_cond() Damien Le Moal
2026-08-05  2:27 ` [PATCH 13/14] block: flag zoned disks with GENHD_FL_NO_PART Damien Le Moal
2026-08-05  2:27 ` [PATCH 14/14] block: fail reads to offline zones early Damien Le Moal
2026-08-05 21:29   ` Bart Van Assche
2026-08-06 15:52     ` Damien Le Moal

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