ocfs2: Add support for incrementing refcount in the tree.
commite73a819db9c2d6c4065b7cab7374709b6939e8f1
authorTao Ma <tao.ma@oracle.com>
Tue, 11 Aug 2009 06:33:14 +0000 (11 14:33 +0800)
committerJoel Becker <joel.becker@oracle.com>
Wed, 23 Sep 2009 03:09:33 +0000 (22 20:09 -0700)
tree40968bc5b37d3b55e382267683c9612d4697f036
parente2e9f6082b5ff099978774d5c0148e062344c2f9
ocfs2: Add support for incrementing refcount in the tree.

    Given a physical cpos and length, increment the refcount
in the tree. If the extent has not been seen before, a refcount
record is created for it. Refcount records may be merged or
split by this operation.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
fs/ocfs2/extent_map.c
fs/ocfs2/extent_map.h
fs/ocfs2/ocfs2_fs.h
fs/ocfs2/refcounttree.c