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Btrfs: block group switching

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-05-29 16:52:18 -04:00
committed by David Woodhouse
parent 1de037a43e
commit 1e2677e000
2 changed files with 66 additions and 26 deletions
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5
fs/btrfs/ctree.h
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@@ -249,10 +249,13 @@ struct btrfs_device_item {
/* tag for the radix tree of block groups in ram */
#define BTRFS_BLOCK_GROUP_DIRTY 0
#define BTRFS_BLOCK_GROUP_AVAIL 1
#define BTRFS_BLOCK_GROUP_HINTS 8
#define BTRFS_BLOCK_GROUP_SIZE (256 * 1024 * 1024)
#define BTRFS_BLOCK_GROUP_DATA 1
struct btrfs_block_group_item {
__le64 used;
u8 flags;
} __attribute__ ((__packed__));
struct btrfs_block_group_cache {