Chris Mason bbaf549e0c Btrfs: A number of nodatacow fixes ... Once part of a delalloc request fails the cow checks, just cow the entire range It is possible for the back references to all be from the same root, but still have snapshots against an extent. The checks are now more strict, forcing cow any time there are multiple refs against the data extent. Signed-off-by: Chris Mason <chris.mason@oracle.com>		2008-09-25 11:04:02 -04:00
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btrfs	Btrfs: A number of nodatacow fixes	2008-09-25 11:04:02 -04:00