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

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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.
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