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From: Benjamin Marzinski <bmarzins@redhat.com>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Mikulas Patocka <mpatocka@redhat.com>,
	Mike Snitzer <snitzer@redhat.com>, Jens Axboe <axboe@kernel.dk>,
	dm-devel@lists.linux.dev, linux-block@vger.kernel.org,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 1/7] dm: don't change md if dm_table_set_restrictions() fails
Date: Mon, 10 Mar 2025 12:39:16 -0400	[thread overview]
Message-ID: <Z88VtC6BLVWTbOM-@redhat.com> (raw)
In-Reply-To: <671584b2-89ca-42f0-b7d5-a16bc77c3dab@kernel.org>

On Mon, Mar 10, 2025 at 08:18:31AM +0900, Damien Le Moal wrote:
> On 3/10/25 07:28, Benjamin Marzinski wrote:
> > __bind was changing the disk capacity, geometry and mempools of the
> > mapped device before calling dm_table_set_restrictions() which could
> > fail, forcing dm to drop the new table. Failing here would leave the
> > device using the old table but with the wrong capacity and mempools.
> > 
> > Move dm_table_set_restrictions() earlier in __bind(). Since it needs the
> > capacity to be set, save the old version and restore it on failure.
> > 
> > Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
> 
> Does this need a "Fixes" tag maybe ?

Yeah. I can go through and add the appropriate Fixes tags.

-Ben

> 
> Otherwise looks good to me.
> 
> Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
> 
> -- 
> Damien Le Moal
> Western Digital Research


  reply	other threads:[~2025-03-10 16:39 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 [this message]
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
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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