xfs: check that junk in V4 superblocks doesn't break growfs

Test that we properly ignore old growfs-induced junk in the unused
portion of secondary V4 superblocks; at one point this would
trip up the verifiers, and cause a subsequent growfs to fail.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen
2014-02-18 21:18:18 +11:00
committed by Dave Chinner
parent 617252fc09
commit 3698f0930c
3 changed files with 77 additions and 0 deletions
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QA output created by 002