735 static void read_rescue(void *fd, char *buff, u32 csize, u32 bytes_per_sector,  argument
740 	if (read_all(fd, buff, csize) == -1) {
747 			rescue_pos = (off_t)(rescue_lcn * csize);
748 			for (i = 0; i < csize; i += bytes_per_sector)
762 	s32 csize = le32_to_cpu(image_hdr.cluster_size);  local
771 		csize = vol->cluster_size;
776 	rescue_pos = (off_t)(rescue_lcn * csize);
777 	buff = (char*)ntfs_malloc(csize);
782 	backup_bootsector = (lcn + 1)*csize >= full_device_size;
784 		csize = full_device_size - lcn*csize;
785 		if (csize < 0) {
791 	if (read_all(fd, buff, csize) == -1) {
801 			for (i = 0; i < csize; i += bytes_per_sector)
823 			if ((bytes_per_sector > csize)
828 						+ csize - bytes_per_sector);
851 	    && (write_all(&fd_out, buff, csize) == -1)) {
943 	u32 csize = vol->cluster_size;  local
956 	buf = ntfs_calloc(csize);
991 			if (write_all(&fd_out, buf, csize) == -1)
999 static void write_empty_clusters(s32 csize, s64 count,  argument
1005 	buff = (char*)ntfs_malloc(csize);
1009 	memset(buff, 0, csize);
1012 		if (write_all(&fd_out, buff, csize) == -1)
1022 	s32 csize = le32_to_cpu(image_hdr.cluster_size);  local
1072 					write_empty_clusters(csize, count,
1083 					    && (lseek_out(fd_out, count * csize,
1472 static void write_set(char *buff, u32 csize, s64 *current_lcn,  argument
1484 		    || (write_all(&fd_out, &buff[k*csize], csize) == -1))
1509 	u32 csize;  local
1522 	csize = image->ni->vol->cluster_size;
1530 	if (csize >= mft_record_size) {
1531 		records_per_set = csize/mft_record_size;
1533 		buff_size = csize;
1535 		clusters_per_set = mft_record_size/csize;
1550 			read_rescue(fd, &buff[k*csize], csize, bytes_per_sector,
1565 			write_set(buff, csize, &current_lcn,
1591 	u32 csize;  local
1603 	csize = image->ni->vol->cluster_size;
1612 	if (csize >= indx_record_size) {
1613 		records_per_set = csize/indx_record_size;
1615 		buff_size = csize;
1617 		clusters_per_set = indx_record_size/csize;
1631 			read_rescue(fd, &buff[k*csize], csize, bytes_per_sector,
1647 			write_set(buff, csize, &current_lcn,