Re: [PATCH] xfs: publish UUID in struct super_block

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On Thu, Apr 27, 2017 at 10:59 AM, Christoph Hellwig <hch@xxxxxx> wrote:
> On Thu, Apr 27, 2017 at 10:58:31AM +0300, Amir Goldstein wrote:
>> Unless mounted with nouuid, copy the uuid of the filesystem to
>> struct super block s_uuid field, as several other filesystems do.
>
> This looks okay ... ish.
>
> Until we have a flag in the superblock that a given fs fills out s_uuid
> no one can rely on it.  So please add the infrastructure that consumers
> can actually make use of it while you're at it.

All right. makes sense. will do.
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