dm thin metadata: zero unused superblock uuid
authorJoe Thornber <ejt@redhat.com>
Fri, 27 Jul 2012 14:08:11 +0000 (15:08 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 27 Jul 2012 14:08:11 +0000 (15:08 +0100)
Zero the unused uuid when initialising the metadata superblock.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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