From: Damien Le Moal <dlemoal@kernel.org>
To: Benjamin Marzinski <bmarzins@redhat.com>,
Mikulas Patocka <mpatocka@redhat.com>,
Mike Snitzer <snitzer@redhat.com>, Jens Axboe <axboe@kernel.dk>
Cc: dm-devel@lists.linux.dev, linux-block@vger.kernel.org,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 4/7] dm: fix dm_blk_report_zones
Date: Mon, 10 Mar 2025 08:27:22 +0900 [thread overview]
Message-ID: <bebc9f33-a1e2-4824-9f30-e0c90ea2a740@kernel.org> (raw)
In-Reply-To: <20250309222904.449803-5-bmarzins@redhat.com>
On 3/10/25 07:29, Benjamin Marzinski wrote:
> If dm_get_live_table() returned NULL, dm_put_live_table() was never
> called. Also, if md->zone_revalidate_map is set, check that
> dm_blk_report_zones() is being called from the process that set it in
> __bind(). Otherwise the zone resources could change while accessing
> them. Finally, it is possible that md->zone_revalidate_map will change
> while calling this function. Only read it once, so that we are always
> using the same value. Otherwise we might miss a call to
> dm_put_live_table().
>
> Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Looks good to me.
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2025-03-09 23:27 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-09 22:28 [RFC PATCH 0/7] dm: fix issues with swapping dm tables Benjamin Marzinski
2025-03-09 22:28 ` [PATCH 1/7] dm: don't change md if dm_table_set_restrictions() fails Benjamin Marzinski
2025-03-09 23:18 ` Damien Le Moal
2025-03-10 16:39 ` Benjamin Marzinski
2025-03-09 22:28 ` [PATCH 2/7] dm: free table mempools if not used in __bind Benjamin Marzinski
2025-03-09 23:19 ` Damien Le Moal
2025-03-09 22:28 ` [PATCH 3/7] dm: handle failures in dm_table_set_restrictions Benjamin Marzinski
2025-03-09 23:25 ` Damien Le Moal
2025-03-10 17:37 ` Benjamin Marzinski
2025-03-10 18:15 ` Benjamin Marzinski
2025-03-10 23:27 ` Damien Le Moal
2025-03-14 13:38 ` Mikulas Patocka
2025-03-14 13:46 ` Mikulas Patocka
2025-03-10 23:16 ` Damien Le Moal
2025-03-09 22:29 ` [PATCH 4/7] dm: fix dm_blk_report_zones Benjamin Marzinski
2025-03-09 23:27 ` Damien Le Moal [this message]
2025-03-09 22:29 ` [PATCH 5/7] blk-zoned: clean up zone settings for devices without zwplugs Benjamin Marzinski
2025-03-09 23:31 ` Damien Le Moal
2025-03-09 22:29 ` [RFC PATCH 6/7] blk-zoned: modify blk_revalidate_disk_zones for bio-based drivers Benjamin Marzinski
2025-03-09 22:29 ` [RFC PATCH 7/7] dm: allow devices to revalidate existing zones Benjamin Marzinski
2025-03-09 23:59 ` Damien Le Moal
2025-03-10 17:43 ` Benjamin Marzinski
2025-03-10 23:19 ` Damien Le Moal
2025-03-10 23:42 ` Benjamin Marzinski
2025-03-11 0:00 ` Damien Le Moal
2025-03-09 23:16 ` [RFC PATCH 0/7] dm: fix issues with swapping dm tables Damien Le Moal
2025-03-10 16:38 ` Benjamin Marzinski
2025-03-10 23:13 ` Damien Le Moal
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