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Btrfs: use a slab for the free space entries

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Since we alloc/free free space entries a whole lot, lets use a slab to keep
track of them.  This makes some of my tests slightly faster.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
This commit is contained in:
Josef Bacik
2011-01-28 17:05:48 -05:00
parent 57a45ced94
commit dc89e98244
3 changed files with 29 additions and 16 deletions
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fs/btrfs/ctree.h
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@ -40,6 +40,7 @@ extern struct kmem_cache *btrfs_trans_handle_cachep;
extern struct kmem_cache *btrfs_transaction_cachep;
extern struct kmem_cache *btrfs_bit_radix_cachep;
extern struct kmem_cache *btrfs_path_cachep;
extern struct kmem_cache *btrfs_free_space_cachep;
struct btrfs_ordered_sum;
#define BTRFS_MAGIC "_BHRfS_M"