From: Niklas Cassel <cassel@kernel.org>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
Subject: Re: [PATCH] block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs
Date: Thu, 4 Dec 2025 14:45:17 +0100 [thread overview]
Message-ID: <aTGQbae97JLxouuS@ryzen> (raw)
In-Reply-To: <20251204105952.178201-1-dlemoal@kernel.org>
On Thu, Dec 04, 2025 at 07:59:52PM +0900, Damien Le Moal wrote:
> Commit fe0418eb9bd6 ("block: Prevent potential deadlocks in zone write
> plug error recovery") added a WARN check in disk_put_zone_wplug() to
> verify that when the last reference to a zone write plug is dropped,
> this zone write plug does not have the BLK_ZONE_WPLUG_PLUGGED flag set,
> that is, that it is not plugged.
>
> However, the function disk_zone_wplug_abort(), which is called for zone
> reset and zone finish operations, does not clear this flag after
> emptying a zone write plug BIO list. This can result in the
> disk_put_zone_wplug() warning to trigger if the user (erroneously as
> that is bad pratcice) issues zone reset or zone finish operations while
s/pratcice/practice/
Regardless:
Reviewed-by: Niklas Cassel <cassel@kernel.org>
next prev parent reply other threads:[~2025-12-04 13:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-04 10:59 [PATCH] block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs Damien Le Moal
2025-12-04 12:28 ` Johannes Thumshirn
2025-12-04 13:45 ` Niklas Cassel [this message]
2025-12-04 14:25 ` Jens Axboe
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