4048 #define BMAPPGTOLEV(npages)	\  argument
4049 	(((npages) <= 3 + MAXL0PAGES) ? 0 : \
4050 	 ((npages) <= 2 + MAXL1PAGES) ? 1 : 2)
4056 	s64 npages, ndmaps;  in dbMapFileSizeToMapSize()  local
4061 	npages = nblocks >> JFS_SBI(sb)->l2nbperpage;  in dbMapFileSizeToMapSize()
4062 	level = BMAPPGTOLEV(npages);  in dbMapFileSizeToMapSize()
4069 	npages--;		/* skip the first global control page */  in dbMapFileSizeToMapSize()
4071 	npages -= (2 - level);  in dbMapFileSizeToMapSize()
4072 	npages--;		/* skip top level's control page */  in dbMapFileSizeToMapSize()
4076 		complete = (u32) npages / factor;  in dbMapFileSizeToMapSize()
4081 		npages = (u32) npages % factor;  in dbMapFileSizeToMapSize()
4083 		npages--;  in dbMapFileSizeToMapSize()