4847 #define	sblock sb_un.sblk  macro
4866 	if (read(f, &sblock, SBSIZE) != SBSIZE) {  in old_fsdb()
4870 	if (sblock.fs_magic != FS_MAGIC) {  in old_fsdb()
4878 	off = (u_offset_t)fsbtodb(&sblock, itod(&sblock, inum)) * DEV_BSIZE;  in old_fsdb()
4880 	if (read(f, (char *)di_buf, sblock.fs_bsize) != sblock.fs_bsize) {  in old_fsdb()
4892 	sblock.fs_time = (time32_t)t;  in old_fsdb()
4893 	if (write(f, &sblock, SBSIZE) != SBSIZE) {  in old_fsdb()
4899 	off = (u_offset_t)fsbtodb(&sblock, itod(&sblock, inum)) * DEV_BSIZE;  in old_fsdb()
4901 	read(f, (char *)di_buf, sblock.fs_bsize);  in old_fsdb()
4902 	j = itoo(&sblock, inum);  in old_fsdb()
4907 	write(f, (char *)di_buf, sblock.fs_bsize);  in old_fsdb()