fs/btrfs/backref.c

1147 			  struct btrfs_root *extent_root,
1152 	struct btrfs_fs_info *fs_info = extent_root->fs_info;
1159 		ret = btrfs_next_item(extent_root, path);
2206 	struct btrfs_root *extent_root = btrfs_extent_root(fs_info, logical);
2222 	ret = btrfs_search_slot(NULL, extent_root, &key, path, 0, 0);
2233 	ret = btrfs_previous_extent_item(extent_root, path, 0);
2863 	struct btrfs_root *extent_root = btrfs_extent_root(fs_info, bytenr);
2874 	ret = btrfs_search_slot(NULL, extent_root, &key, path, 0, 0);
2921 		ret = btrfs_next_item(extent_root, path);
2973 	struct btrfs_root *extent_root;
3004 	extent_root = btrfs_extent_root(iter->fs_info, iter->bytenr);
3005 	ret = btrfs_next_item(extent_root, iter->path);