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Date: Tue, 11 Apr 2017 22:48:28 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Richard Weinberger <richard@nod.at>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>, dedekind1@gmail.com,
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Subject: Re: [PATCH v2 3/3] fs: ubifs: set s_uuid in super block
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On Tue, Apr 11, 2017 at 10:43:26PM +0200, Richard Weinberger wrote:
> Artem, do you remember why UBIFS didn't set s_uuid in first place?

It's an extremely odd field - only a hand full of file systems set it
(e.g. XFS doesn't, although according to Mimi IMA supports XFS), and
it's never even used outside of the IMA/EVM code.

We really need a feature flag that this field is valid that IMA can
check before adding more support for it.