btrfs: don't create or leak aliased root while cleaning up orphans
[cascardo/linux.git] / fs / btrfs / disk-io.h
index acba821..e0efe45 100644 (file)
@@ -68,6 +68,8 @@ struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info,
 struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,
                                      struct btrfs_key *location);
 int btrfs_init_fs_root(struct btrfs_root *root);
+struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info,
+                                       u64 root_id);
 int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,
                         struct btrfs_root *root);
 void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info);
@@ -90,7 +92,8 @@ void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
 void btrfs_free_fs_root(struct btrfs_root *root);
 
 #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
-struct btrfs_root *btrfs_alloc_dummy_root(u32 sectorsize, u32 nodesize);
+struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info,
+                                         u32 sectorsize, u32 nodesize);
 #endif
 
 /*