From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Howells <dhowells@redhat.com>
Subject: Re: [PATCH] xfs: publish UUID in struct super_block
Date: Thu, 27 Apr 2017 14:22:05 +0100
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To: Amir Goldstein <amir73il@gmail.com>
Cc: dhowells@redhat.com, Christoph Hellwig <hch@lst.de>, "Darrick J . Wong" <darrick.wong@oracle.com>, Miklos Szeredi <miklos@szeredi.hu>, Vivek Goyal <vgoyal@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>, linux-xfs <linux-xfs@vger.kernel.org>, linux-unionfs@vger.kernel.org, linux-fsdevel <linux-fsdevel@vger.kernel.org>

Amir Goldstein <amir73il@gmail.com> wrote:

> You mean if it is NULL_UUID_LE? Yes, that is what I do now.
> Christoph suggested that this is not robust enough.
> I'm rather indifferent about the need of a flag.

I was thinking more that s_uuid would be a NULL pointer if the fs doesn't have
a uuid.

David