6  *  Mar 1999. AV. Changed cache, so that it uses the starting cluster instead
22 	int fcluster;	/* cluster number in the file. */
23 	int dcluster;	/* cluster number on disk. */
124 		/* Find the same part as "new" in cluster-chain. */  in fat_cache_merge()
225 int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)  in fat_get_cluster()  argument
237 	if (cluster == 0)  in fat_get_cluster()
240 	if (fat_cache_lookup(inode, cluster, &cid, fclus, dclus) < 0) {  in fat_get_cluster()
249 	while (*fclus < cluster) {  in fat_get_cluster()
250 		/* prevent the infinite loop of cluster chain */  in fat_get_cluster()
253 					"%s: detected the cluster chain loop"  in fat_get_cluster()
264 			fat_fs_error_ratelimit(sb, "%s: invalid cluster chain"  in fat_get_cluster()
285 static int fat_bmap_cluster(struct inode *inode, int cluster)  in fat_bmap_cluster()  argument
293 	ret = fat_get_cluster(inode, cluster, &fclus, &dclus);  in fat_bmap_cluster()
312 	int cluster, offset;  in fat_bmap()  local
339 	cluster = sector >> (sbi->cluster_bits - sb->s_blocksize_bits);  in fat_bmap()
341 	cluster = fat_bmap_cluster(inode, cluster);  in fat_bmap()
342 	if (cluster < 0)  in fat_bmap()
343 		return cluster;  in fat_bmap()
344 	else if (cluster) {  in fat_bmap()
345 		*phys = fat_clus_to_blknr(sbi, cluster) + offset;  in fat_bmap()