303 	u64 avail;  in calc_available_free_space()  local
311 	avail = atomic64_read(&fs_info->free_chunk_space);  in calc_available_free_space()
320 	avail = div_u64(avail, factor);  in calc_available_free_space()
328 		avail >>= 3;  in calc_available_free_space()
330 		avail >>= 1;  in calc_available_free_space()
331 	return avail;  in calc_available_free_space()
338 	u64 avail;  in btrfs_can_overcommit()  local
346 	avail = calc_available_free_space(fs_info, space_info, flush);  in btrfs_can_overcommit()
348 	if (used + bytes < space_info->total_bytes + avail)  in btrfs_can_overcommit()
757 	u64 avail;  in btrfs_calc_reclaim_metadata_size()  local
763 	avail = calc_available_free_space(fs_info, space_info,  in btrfs_calc_reclaim_metadata_size()
773 	if (space_info->total_bytes + avail < used)  in btrfs_calc_reclaim_metadata_size()
774 		to_reclaim += used - (space_info->total_bytes + avail);  in btrfs_calc_reclaim_metadata_size()