Merge commit 'v2.6.37-rc1' into for-2.6.37

[net-next-2.6.git] / fs / btrfs / free-space-cache.h

diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index 266fb876405442841b31b7e8219fff82e339d821..e49ca5c321b571e5886c557e76d131441f1acc87 100644 (file)
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -19,6 +19,32 @@
 #ifndef __BTRFS_FREE_SPACE_CACHE
 #define __BTRFS_FREE_SPACE_CACHE
 
+struct btrfs_free_space {
+       struct rb_node offset_index;
+       u64 offset;
+       u64 bytes;
+       unsigned long *bitmap;
+       struct list_head list;
+};
+
+struct inode *lookup_free_space_inode(struct btrfs_root *root,
+                                     struct btrfs_block_group_cache
+                                     *block_group, struct btrfs_path *path);
+int create_free_space_inode(struct btrfs_root *root,
+                           struct btrfs_trans_handle *trans,
+                           struct btrfs_block_group_cache *block_group,
+                           struct btrfs_path *path);
+
+int btrfs_truncate_free_space_cache(struct btrfs_root *root,
+                                   struct btrfs_trans_handle *trans,
+                                   struct btrfs_path *path,
+                                   struct inode *inode);
+int load_free_space_cache(struct btrfs_fs_info *fs_info,
+                         struct btrfs_block_group_cache *block_group);
+int btrfs_write_out_cache(struct btrfs_root *root,
+                         struct btrfs_trans_handle *trans,
+                         struct btrfs_block_group_cache *block_group,
+                         struct btrfs_path *path);
 int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
                         u64 bytenr, u64 size);
 int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,