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Darrick J. Wong authored
Provide a helper method to count the number of blocks in a short form btree. The refcount and rmap btrees need to know the number of blocks already in use to set up their per-AG block reservations during mount. Signed-off-by:
Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Dave Chinner <david@fromorbit.com>
c611cc03