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Btrfs: Add support for duplicate blocks on a single spindle

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Chris Mason
2008-04-03 16:29:03 -04:00
parent 8790d502e4
commit 611f0e00a2
4 changed files with 37 additions and 9 deletions
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fs/btrfs/ctree.h
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@@ -419,6 +419,7 @@ struct btrfs_csum_item {
#define BTRFS_BLOCK_GROUP_METADATA (1 << 2)
#define BTRFS_BLOCK_GROUP_RAID0 (1 << 3)
#define BTRFS_BLOCK_GROUP_RAID1 (1 << 4)
#define BTRFS_BLOCK_GROUP_DUP (1 << 5)
struct btrfs_block_group_item {