The backref code is going to be moved to backref.c, and read_fs_root() is just a simple wrapper, open-code it to prepare to the incoming code move. Signed-off-by: Qu Wenruo <wqu@xxxxxxxx> --- fs/btrfs/relocation.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 2230ea8a3698..441d2b28d8e7 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -397,6 +397,7 @@ static int handle_one_tree_backref(struct backref_cache *cache, struct backref_node *lower; struct backref_edge *edge; struct extent_buffer *eb; + struct btrfs_key root_key; struct btrfs_root *root; struct rb_node *rb_node; bool need_check = true; @@ -456,7 +457,10 @@ static int handle_one_tree_backref(struct backref_cache *cache, * ref_key.type == BTRFS_TREE_BLOCK_REF_KEY, ref_key->offset means the * root objectid. We need to search the tree to get its parent bytenr. */ - root = read_fs_root(fs_info, ref_key->offset); + root_key.objectid = ref_key->offset; + root_key.type = BTRFS_ROOT_ITEM_KEY; + root_key.offset = (u64)-1; + root = btrfs_get_fs_root(fs_info, &root_key, false); if (IS_ERR(root)) return PTR_ERR(root); if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state)) -- 2.25.1
