271 	pgoff_t start_fofs, end_fofs;  in lookup_extent_info()  local
282 	start_fofs = fi->ext.fofs;  in lookup_extent_info()
286 	if (pgofs >= start_fofs && pgofs <= end_fofs) {  in lookup_extent_info()
300 	pgoff_t start_fofs, end_fofs;  in update_extent_info()  local
306 	start_fofs = fi->ext.fofs;  in update_extent_info()
312 	if (fi->ext.len == 1 && fofs == start_fofs)  in update_extent_info()
326 	if (fofs == start_fofs - 1 && blkaddr == start_blkaddr - 1) {  in update_extent_info()
341 		fofs >= start_fofs && fofs <= end_fofs) {  in update_extent_info()
343 			fi->ext.len = fofs - start_fofs;  in update_extent_info()
346 			fi->ext.blk = start_blkaddr + fofs - start_fofs + 1;  in update_extent_info()
347 			fi->ext.len -= fofs - start_fofs + 1;  in update_extent_info()