ocfs2: Add refcount b-tree as a new extent tree.
authorTao Ma <tao.ma@oracle.com>
Tue, 18 Aug 2009 03:22:25 +0000 (11:22 +0800)
committerJoel Becker <joel.becker@oracle.com>
Wed, 23 Sep 2009 03:09:31 +0000 (20:09 -0700)
Add refcount b-tree as a new extent tree so that it can
use the b-tree to store and maniuplate ocfs2_refcount_rec.

Signed-off-by: Tao Ma <tao.ma@oracle.com>

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