Btrfs: two stage dirty block group writeout

[cascardo/linux.git] / fs / btrfs / free-space-cache.h

diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index 88b2238..c433986 100644 (file)
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -48,6 +48,8 @@ struct btrfs_free_space_op {
                           struct btrfs_free_space *info);
 };
 
+struct btrfs_io_ctl;
+
 struct inode *lookup_free_space_inode(struct btrfs_root *root,
                                      struct btrfs_block_group_cache
                                      *block_group, struct btrfs_path *path);
@@ -63,11 +65,15 @@ int btrfs_truncate_free_space_cache(struct btrfs_root *root,
                                    struct inode *inode);
 int load_free_space_cache(struct btrfs_fs_info *fs_info,
                          struct btrfs_block_group_cache *block_group);
+int btrfs_wait_cache_io(struct btrfs_root *root,
+                       struct btrfs_trans_handle *trans,
+                       struct btrfs_block_group_cache *block_group,
+                       struct btrfs_io_ctl *io_ctl,
+                       struct btrfs_path *path, u64 offset);
 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);
-
 struct inode *lookup_free_ino_inode(struct btrfs_root *root,
                                    struct btrfs_path *path);
 int create_free_ino_inode(struct btrfs_root *root,