start_blknr      1209 fs/fat/dir.c   	sector_t blknr, start_blknr, last_blknr;
start_blknr      1233 fs/fat/dir.c   		start_blknr = blknr = fat_clus_to_blknr(sbi, cluster[i]);
start_blknr      1234 fs/fat/dir.c   		last_blknr = start_blknr + sbi->sec_per_clus;
start_blknr      1267 fs/fat/dir.c   	err = fat_zeroed_cluster(dir, start_blknr, ++n, bhs, MAX_BUF_PER_PAGE);