Zheng Yan 31840ae1a6 Btrfs: Full back reference support ... This patch makes the back reference system to explicit record the location of parent node for all types of extents. The location of parent node is placed into the offset field of backref key. Every time a tree block is balanced, the back references for the affected lower level extents are updated. Signed-off-by: Chris Mason <chris.mason@oracle.com>		2008-09-25 11:04:07 -04:00
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btrfs	Btrfs: Full back reference support	2008-09-25 11:04:07 -04:00