linux-kernel - Re: [PATCH v4 0/3] fs: allow statmount to fetch the fs_subtype and sb

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Message-ID: <CAJfpegvDOPSJn1PeXRJqex6NRPUJtWfWvZnwCRD+E9dWVhWumw@mail.gmail.com>
Date: Thu, 14 Nov 2024 14:20:58 +0100
From: Miklos Szeredi <miklos@...redi.hu>
To: Jan Kara <jack@...e.cz>
Cc: Ian Kent <raven@...maw.net>, Jeff Layton <jlayton@...nel.org>, Karel Zak <kzak@...hat.com>, 
	Christian Brauner <brauner@...nel.org>, Josef Bacik <josef@...icpanda.com>, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v4 0/3] fs: allow statmount to fetch the fs_subtype and sb_source

On Thu, 14 Nov 2024 at 12:56, Jan Kara <jack@...e.cz> wrote:

>   What I'm more worried about is that watching the whole system
> for new mounts is going to be somewhat cumbersome when all you can do is to
> watch new mounts attached under an existing mount / filesystem.

We don't even know if there's a use case for that.  I think it would
make sense to think about it when/if such a use case emerges.  The
inode notification interfaces went through that evolution too, no?

Thanks,
Miklos