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

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On Thu, Apr 27, 2017 at 03:30:35PM -0500, Eric Sandeen wrote:

> It'd be trivial to make that a vfs function and set a flag on the vfs super
> if the UUID is not unique.  Would that be worthwhile?  I can send a patch 
> if so.

This only tells you that the UUID it has is unique now.  As you are
contemplating storing them in the FS they have to be unique in space
_and_ time.  No check you can do now can tell you if the UUID is unique
for all time.  Right ?

-apw
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