From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46EA62EC0AA; Mon, 16 Feb 2026 14:59:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771253985; cv=none; b=Fn0flUGTitQ+/pNmFAQOXBZL1jLu883s1qPYpaieFQcACP6uluP0hIqwh4t/gifwBwB3u3JwUm8vSd5JIpYjj5vlQmAHLvk5K36ez/Y/avpmClkX91dr4z3O5CNEMx6iJmYz/TfVma+OvsaKyO93w3JfM05A8gBPO7wiOo2GDJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771253985; c=relaxed/simple; bh=oc55y3wjpZlo833gGfIcwf9bnB6EdTCJlBIxD29V68E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pOBfUWd+7Sc33IA8jiZEM+eLNJChSUs1YHI9NgD59Zw5N0K69txMMbjYUDUcqUOd9iqgS+FqkZMyMhkWVgIVp/oXioRONXw4X3QwoAwexAAWEi0sxt6Z/kf0s1Sf6WGIhhYa3klLSrFhjw+fCsbhWj3zK/zPvc/RgbugQ8bX5GA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=b9mkgaCF; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="b9mkgaCF" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=QxvgiaqVGCdeAbIPSiymes9zs7t9hJVWrxFxQjBQv9A=; b=b9mkgaCFKmDR3uUeKv38fBPlRg oNKjrKR415peZXAlfQOXGvzNGm4OZdQ3Qvhm250ewB6UzAT7qLMlYw2siUKErOyOKWzYI5IUxHiJR OIZlmXY8WJ8/hJMlU5ScacR+Rx1MLJYIzg0M+gOLhKPyXhZ3j2B3LxXUth8cwUdfslCjCFM+1I3eM mj9Jp/pI8g3BB+CMww1S3jI+hFu4/zRUSgnd2dTb6OBQPaEn042GgRzjQfbEMeAfmPKxIHb/7rh0L 16bGQOltX759CtlZcMszJxAC4L5pRncMOTza9zZPBzIr2NM1xunCaLZ0CxGvQv0WTJX6o8mhZmcZt Jku+Qbgw==; Received: from [191.204.193.173] (helo=[192.168.15.100]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1vs04J-001Kau-SZ; Mon, 16 Feb 2026 15:59:24 +0100 Message-ID: <8bec19de-6e6e-418a-a256-5918bd835d98@igalia.com> Date: Mon, 16 Feb 2026 11:59:14 -0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] ovl: Use real disk UUID for origin file handles To: Amir Goldstein Cc: Christoph Hellwig , Chuck Lever , Jeff Layton , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Carlos Maiolino , Chris Mason , David Sterba , Miklos Szeredi , Christian Brauner , Alexander Viro , Jan Kara , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Qu Wenruo , linux-btrfs@vger.kernel.org, linux-unionfs@vger.kernel.org, kernel-dev@igalia.com, vivek@collabora.com, Ludovico de Nittis References: <20260114-tonyk-get_disk_uuid-v1-0-e6a319e25d57@igalia.com> <22b16e24-d10e-43f6-bc2b-eeaa94310e3a@igalia.com> <0241e2c4-bf11-4372-9eda-cccaba4a6d7d@igalia.com> <33c1ccbd-abbe-4278-8ab1-d7d645c8b6e8@igalia.com> <75a9247a-12f4-4066-9712-c70ab41c274f@igalia.com> <8ab387b1-c4aa-40a5-946f-f4510d8afd02@igalia.com> <05c37282-715e-4334-82e6-aea3241f15eb@igalia.com> Content-Language: en-US From: =?UTF-8?Q?Andr=C3=A9_Almeida?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Em 06/02/2026 10:12, Amir Goldstein escreveu: > On Thu, Feb 5, 2026 at 9:34 PM André Almeida 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!