btrfs: add free space tree to the cow-only list

[linux-2.6-block.git] / fs / btrfs / relocation.c

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index b4ca5454ef1a7ebc4fcb8eec476701bc8496a050..c5540302402d6f3178550da3f110a4ece724be2f 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -575,7 +575,8 @@ static int is_cowonly_root(u64 root_objectid)
            root_objectid == BTRFS_TREE_LOG_OBJECTID ||
            root_objectid == BTRFS_CSUM_TREE_OBJECTID ||
            root_objectid == BTRFS_UUID_TREE_OBJECTID ||
-           root_objectid == BTRFS_QUOTA_TREE_OBJECTID)
+           root_objectid == BTRFS_QUOTA_TREE_OBJECTID ||
+           root_objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
                return 1;
        return 0;
 }
@@ -708,8 +709,8 @@ struct backref_node *build_backref_tree(struct reloc_control *rc,
                err = -ENOMEM;
                goto out;
        }
-       path1->reada = 1;
-       path2->reada = 2;
+       path1->reada = READA_FORWARD;
+       path2->reada = READA_FORWARD;
 
        node = alloc_backref_node(cache);
        if (!node) {
@@ -2130,7 +2131,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
        path = btrfs_alloc_path();
        if (!path)
                return -ENOMEM;
-       path->reada = 1;
+       path->reada = READA_FORWARD;
 
        reloc_root = root->reloc_root;
        root_item = &reloc_root->root_item;
@@ -3527,7 +3528,7 @@ static int find_data_references(struct reloc_control *rc,
        path = btrfs_alloc_path();
        if (!path)
                return -ENOMEM;
-       path->reada = 1;
+       path->reada = READA_FORWARD;
 
        root = read_fs_root(rc->extent_root->fs_info, ref_root);
        if (IS_ERR(root)) {
@@ -3917,7 +3918,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
        path = btrfs_alloc_path();
        if (!path)
                return -ENOMEM;
-       path->reada = 1;
+       path->reada = READA_FORWARD;
 
        ret = prepare_to_relocate(rc);
        if (ret) {
@@ -4343,7 +4344,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
        path = btrfs_alloc_path();
        if (!path)
                return -ENOMEM;
-       path->reada = -1;
+       path->reada = READA_BACK;
 
        key.objectid = BTRFS_TREE_RELOC_OBJECTID;
        key.type = BTRFS_ROOT_ITEM_KEY;