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Btrfs: more allocator enhancements

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-05-06 10:15:01 -04:00
committed by David Woodhouse
parent be08c1b9f8
commit be74417553
5 changed files with 249 additions and 85 deletions
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7
fs/btrfs/ctree.h
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@@ -257,6 +257,8 @@ struct btrfs_block_group_cache {
struct btrfs_block_group_item item;
u64 first_free;
u64 last_alloc;
u64 pinned;
int data;
};
struct crypto_hash;
@@ -264,12 +266,12 @@ struct btrfs_fs_info {
struct btrfs_root *extent_root;
struct btrfs_root *tree_root;
struct btrfs_root *dev_root;
struct btrfs_block_group_cache *block_group_cache;
struct radix_tree_root fs_roots_radix;
struct radix_tree_root pending_del_radix;
struct radix_tree_root pinned_radix;
struct radix_tree_root dev_radix;
struct radix_tree_root block_group_radix;
struct radix_tree_root block_group_data_radix;
u64 extent_tree_insert[BTRFS_MAX_LEVEL * 3];
int extent_tree_insert_nr;
@@ -1072,7 +1074,8 @@ static inline void btrfs_mark_buffer_dirty(struct buffer_head *bh)
/* extent-tree.c */
struct btrfs_block_group_cache *btrfs_find_block_group(struct btrfs_root *root,
struct btrfs_block_group_cache
*hint, int data);
*hint, u64 search_start,
int data);
int btrfs_inc_root_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,