3072 	size_t iosize;  in __do_readpage()  local
3092 			iosize = PAGE_SIZE - zero_offset;  in __do_readpage()
3094 			memset(userpage + zero_offset, 0, iosize);  in __do_readpage()
3107 			iosize = PAGE_SIZE - pg_offset;  in __do_readpage()
3109 			memset(userpage + pg_offset, 0, iosize);  in __do_readpage()
3112 			set_extent_uptodate(tree, cur, cur + iosize - 1,  in __do_readpage()
3115 					     cur + iosize - 1, &cached);  in __do_readpage()
3135 		iosize = min(extent_map_end(em) - cur, end - cur + 1);  in __do_readpage()
3137 		iosize = ALIGN(iosize, blocksize);  in __do_readpage()
3143 			disk_io_size = iosize;  in __do_readpage()
3201 			memset(userpage + pg_offset, 0, iosize);  in __do_readpage()
3205 			set_extent_uptodate(tree, cur, cur + iosize - 1,  in __do_readpage()
3208 					     cur + iosize - 1, &cached);  in __do_readpage()
3209 			cur = cur + iosize;  in __do_readpage()
3210 			pg_offset += iosize;  in __do_readpage()
3217 			unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3218 			cur = cur + iosize;  in __do_readpage()
3219 			pg_offset += iosize;  in __do_readpage()
3227 			unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3228 			cur = cur + iosize;  in __do_readpage()
3229 			pg_offset += iosize;  in __do_readpage()
3245 			unlock_extent(tree, cur, cur + iosize - 1);  in __do_readpage()
3248 		cur = cur + iosize;  in __do_readpage()
3249 		pg_offset += iosize;  in __do_readpage()
3421 	u64 iosize;  in __extent_writepage_io()  local
3478 		iosize = min(em_end - cur, end - cur + 1);  in __extent_writepage_io()
3479 		iosize = ALIGN(iosize, blocksize);  in __extent_writepage_io()
3499 							    cur + iosize - 1,  in __extent_writepage_io()
3509 			cur += iosize;  in __extent_writepage_io()
3510 			pg_offset += iosize;  in __extent_writepage_io()
3514 		btrfs_set_range_writeback(tree, cur, cur + iosize - 1);  in __extent_writepage_io()
3522 					 page, offset, iosize, pg_offset,  in __extent_writepage_io()
3532 		cur = cur + iosize;  in __extent_writepage_io()
3533 		pg_offset += iosize;  in __extent_writepage_io()