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Btrfs: reference counts on data extents

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Chris Mason
2007-03-27 06:33:00 -04:00
committed by David Woodhouse
parent dee26a9f7a
commit 6407bf6d7c
5 changed files with 82 additions and 24 deletions
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9
fs/btrfs/ctree.h
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@ -9,10 +9,11 @@ struct btrfs_transaction;
#define BTRFS_MAGIC "_BtRfS_M"
#define BTRFS_ROOT_TREE_OBJECTID 1
#define BTRFS_EXTENT_TREE_OBJECTID 2
#define BTRFS_INODE_MAP_OBJECTID 3
#define BTRFS_FS_TREE_OBJECTID 4
#define BTRFS_ROOT_TREE_OBJECTID 1ULL
#define BTRFS_EXTENT_TREE_OBJECTID 2ULL
#define BTRFS_INODE_MAP_OBJECTID 3ULL
#define BTRFS_FS_TREE_OBJECTID 4ULL
#define BTRFS_FIRST_FREE_OBJECTID 5ULL
/*
* we can actually store much bigger names, but lets not confuse the rest