From: "André Almeida" <andrealmeid@igalia.com>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>,
Chuck Lever <chuck.lever@oracle.com>,
Jeff Layton <jlayton@kernel.org>, NeilBrown <neil@brown.name>,
Olga Kornievskaia <okorniev@redhat.com>,
Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
Carlos Maiolino <cem@kernel.org>, Chris Mason <clm@fb.com>,
David Sterba <dsterba@suse.com>,
Miklos Szeredi <miklos@szeredi.hu>,
Christian Brauner <brauner@kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Qu Wenruo <wqu@suse.com>,
linux-btrfs@vger.kernel.org, linux-unionfs@vger.kernel.org,
kernel-dev@igalia.com, vivek@collabora.com,
Ludovico de Nittis <ludovico.denittis@collabora.com>
Subject: Re: [PATCH 3/3] ovl: Use real disk UUID for origin file handles
Date: Mon, 16 Feb 2026 11:59:14 -0300 [thread overview]
Message-ID: <8bec19de-6e6e-418a-a256-5918bd835d98@igalia.com> (raw)
In-Reply-To: <CAOQ4uxgzK7qYDFWYT62jH_zq8JkLGussD5ro4cKDqSNQqBiVUA@mail.gmail.com>
Em 06/02/2026 10:12, Amir Goldstein escreveu:
> On Thu, Feb 5, 2026 at 9:34 PM André Almeida <andrealmeid@igalia.com> wrote:
>>
>> Anyhow, I see that we are now too close to the merge window, and from my
>> side we can delay this for 7.1 and merge it when it gets 100% clear that
>> this is the solution that we are looking for.
>>
>
> I pushed this patch to overlayfs-next branch.
> It is an internal logic change in overlayfs that does not conflict with
> other code, so there should not be a problem to send a PR on the
> second half of the 7.0 merge window if this is useful.
>
> I think that the change itself makes sense because there was never
> a justification for the strict rule of both upper/lower on the same fs
> for uuid=off, but I am still not going to send it without knowing that
> someone finds this useful for their workload.
>
Hi Amir,
I can confirm that this is useful for my workload. After correctly
setting this flag for every mount, everything is working good and we can
bypass the random UUID issues. Thank you for your help!
next prev parent reply other threads:[~2026-02-16 14:59 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 4:31 [PATCH 0/3] fs: Support btrfs cloned images and overlayfs André Almeida
2026-01-14 4:31 ` [PATCH 1/3] exportfs: Rename get_uuid() to get_disk_uuid() André Almeida
2026-01-14 6:10 ` Darrick J. Wong
2026-01-14 6:24 ` Christoph Hellwig
2026-01-14 10:12 ` Amir Goldstein
2026-01-14 13:11 ` Christoph Hellwig
2026-01-14 16:38 ` André Almeida
2026-01-14 17:58 ` Amir Goldstein
2026-01-14 4:31 ` [PATCH 2/3] btrfs: Implement get_disk_uuid() André Almeida
2026-01-14 4:31 ` [PATCH 3/3] ovl: Use real disk UUID for origin file handles André Almeida
2026-01-14 6:26 ` Christoph Hellwig
2026-01-14 16:17 ` André Almeida
2026-01-15 6:29 ` Christoph Hellwig
2026-01-15 6:51 ` Qu Wenruo
2026-01-15 7:23 ` Christoph Hellwig
2026-01-15 8:09 ` Qu Wenruo
2026-01-15 8:31 ` Christoph Hellwig
2026-01-15 15:42 ` André Almeida
2026-01-15 16:07 ` Amir Goldstein
2026-01-15 18:55 ` André Almeida
2026-01-16 9:36 ` Christoph Hellwig
2026-01-16 9:55 ` Amir Goldstein
2026-01-16 13:27 ` André Almeida
2026-01-16 17:06 ` Amir Goldstein
2026-01-19 16:56 ` André Almeida
2026-01-20 15:12 ` Amir Goldstein
2026-01-22 20:07 ` Amir Goldstein
2026-01-23 13:24 ` André Almeida
2026-01-23 20:08 ` André Almeida
2026-01-24 10:45 ` Amir Goldstein
2026-01-28 11:49 ` Amir Goldstein
2026-02-05 20:34 ` André Almeida
2026-02-06 13:12 ` Amir Goldstein
2026-02-16 14:59 ` André Almeida [this message]
2026-02-17 13:26 ` Amir Goldstein
2026-01-15 16:08 ` Christoph Hellwig
2026-01-14 17:54 ` Amir Goldstein
2026-01-15 6:36 ` Christoph Hellwig
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