2930 	size_t iosize;  in __do_readpage()  local
2951 			iosize = PAGE_CACHE_SIZE - zero_offset;  in __do_readpage()
2953 			memset(userpage + zero_offset, 0, iosize);  in __do_readpage()
2966 			iosize = PAGE_CACHE_SIZE - pg_offset;  in __do_readpage()
2968 			memset(userpage + pg_offset, 0, iosize);  in __do_readpage()
2971 			set_extent_uptodate(tree, cur, cur + iosize - 1,  in __do_readpage()
2975 						     cur + iosize - 1,  in __do_readpage()
2997 		iosize = min(extent_map_end(em) - cur, end - cur + 1);  in __do_readpage()
2999 		iosize = ALIGN(iosize, blocksize);  in __do_readpage()
3005 			disk_io_size = iosize;  in __do_readpage()
3063 			memset(userpage + pg_offset, 0, iosize);  in __do_readpage()
3067 			set_extent_uptodate(tree, cur, cur + iosize - 1,  in __do_readpage()
3069 			unlock_extent_cached(tree, cur, cur + iosize - 1,  in __do_readpage()
3071 			cur = cur + iosize;  in __do_readpage()
3072 			pg_offset += iosize;  in __do_readpage()
3080 				unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3081 			cur = cur + iosize;  in __do_readpage()
3082 			pg_offset += iosize;  in __do_readpage()
3091 				unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3092 			cur = cur + iosize;  in __do_readpage()
3093 			pg_offset += iosize;  in __do_readpage()
3111 				unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3113 		cur = cur + iosize;  in __do_readpage()
3114 		pg_offset += iosize;  in __do_readpage()
3378 	u64 iosize;  in __extent_writepage_io()  local
3442 		iosize = min(em_end - cur, end - cur + 1);  in __extent_writepage_io()
3443 		iosize = ALIGN(iosize, blocksize);  in __extent_writepage_io()
3464 							 cur + iosize - 1,  in __extent_writepage_io()
3474 			cur += iosize;  in __extent_writepage_io()
3475 			pg_offset += iosize;  in __extent_writepage_io()
3481 						cur + iosize - 1);  in __extent_writepage_io()
3490 			set_range_writeback(tree, cur, cur + iosize - 1);  in __extent_writepage_io()
3498 						 sector, iosize, pg_offset,  in __extent_writepage_io()
3505 		cur = cur + iosize;  in __extent_writepage_io()
3506 		pg_offset += iosize;  in __extent_writepage_io()