2306 	unsigned zerofrom, offset, len;  in cont_expand_zero()  local
2313 		zerofrom = curpos & ~PAGE_CACHE_MASK;  in cont_expand_zero()
2314 		if (zerofrom & (blocksize-1)) {  in cont_expand_zero()
2318 		len = PAGE_CACHE_SIZE - zerofrom;  in cont_expand_zero()
2325 		zero_user(page, zerofrom, len);  in cont_expand_zero()
2343 		zerofrom = curpos & ~PAGE_CACHE_MASK;  in cont_expand_zero()
2345 		if (offset <= zerofrom) {  in cont_expand_zero()
2348 		if (zerofrom & (blocksize-1)) {  in cont_expand_zero()
2352 		len = offset - zerofrom;  in cont_expand_zero()
2359 		zero_user(page, zerofrom, len);  in cont_expand_zero()
2382 	unsigned zerofrom;  in cont_write_begin()  local
2389 	zerofrom = *bytes & ~PAGE_CACHE_MASK;  in cont_write_begin()
2390 	if (pos+len > *bytes && zerofrom & (blocksize-1)) {  in cont_write_begin()