1065 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;  in check_defrag_in_cache()  local
1082 	end = count_range_bits(io_tree, &offset, offset + thresh,  in check_defrag_in_cache()
1159 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;  in defrag_lookup_extent()  local
1176 		lock_extent_bits(io_tree, start, end, &cached);  in defrag_lookup_extent()
1178 		unlock_extent_cached(io_tree, start, end, &cached);  in defrag_lookup_extent()
1311 	tree = &BTRFS_I(inode)->io_tree;  in cluster_pages_for_defrag()
1385 	lock_extent_bits(&BTRFS_I(inode)->io_tree,  in cluster_pages_for_defrag()
1421 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start,  in cluster_pages_for_defrag()
1434 	set_extent_defrag(&BTRFS_I(inode)->io_tree, page_start, page_end - 1,  in cluster_pages_for_defrag()
1437 	unlock_extent_cached(&BTRFS_I(inode)->io_tree,  in cluster_pages_for_defrag()
1453 	unlock_extent_cached(&BTRFS_I(inode)->io_tree,  in cluster_pages_for_defrag()