linux-kernel - Re: [PATCH 1/3] exportfs: Rename get_uuid() to get_disk

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Message-ID: <cb5a8880-ed0c-495f-b216-090ee8ff1425@igalia.com>
Date: Wed, 14 Jan 2026 13:38:06 -0300
From: André Almeida <andrealmeid@...lia.com>
To: Amir Goldstein <amir73il@...il.com>
Cc: "Darrick J. Wong" <djwong@...nel.org>,
 Chuck Lever <chuck.lever@...cle.com>, Jeff Layton <jlayton@...nel.org>,
 NeilBrown <neil@...wn.name>, Olga Kornievskaia <okorniev@...hat.com>,
 Dai Ngo <Dai.Ngo@...cle.com>, Tom Talpey <tom@...pey.com>,
 Carlos Maiolino <cem@...nel.org>, Chris Mason <clm@...com>,
 David Sterba <dsterba@...e.com>, Miklos Szeredi <miklos@...redi.hu>,
 Christian Brauner <brauner@...nel.org>,
 Alexander Viro <viro@...iv.linux.org.uk>, Christoph Hellwig <hch@....de>,
 Jan Kara <jack@...e.cz>, linux-nfs@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
 linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org,
 linux-unionfs@...r.kernel.org, kernel-dev@...lia.com
Subject: Re: [PATCH 1/3] exportfs: Rename get_uuid() to get_disk_uuid()

Em 14/01/2026 07:12, Amir Goldstein escreveu:

[...]

> 
> Whether or not we should repurpose the existing get_uuid() I don't
> know - that depends whether pNFS expects the same UUID from an
> "xfs clone" as overlayfs would.
> 

If we go in that direction, do you think it would be reasonable to have 
this as a super_block member/helper? Also do you know any other fs that 
require this type of workaround on ovl?