7  *  Mar 1999. AV. Changed cache, so that it uses the starting cluster instead
21 	int fcluster;	/* cluster number in the file. */
22 	int dcluster;	/* cluster number on disk. */
123 		/* 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
240 			"%s: invalid start cluster (i_pos %lld, start %08x)",  in fat_get_cluster()
244 	if (cluster == 0)  in fat_get_cluster()
247 	if (fat_cache_lookup(inode, cluster, &cid, fclus, dclus) < 0) {  in fat_get_cluster()
256 	while (*fclus < cluster) {  in fat_get_cluster()
257 		/* prevent the infinite loop of cluster chain */  in fat_get_cluster()
260 				"%s: detected the cluster chain loop (i_pos %lld)",  in fat_get_cluster()
271 				"%s: invalid cluster chain (i_pos %lld)",  in fat_get_cluster()
291 static int fat_bmap_cluster(struct inode *inode, int cluster)  in fat_bmap_cluster()  argument
299 	ret = fat_get_cluster(inode, cluster, &fclus, &dclus);  in fat_bmap_cluster()
316 	int cluster, offset;  in fat_get_mapped_cluster()  local
318 	cluster = sector >> (sbi->cluster_bits - sb->s_blocksize_bits);  in fat_get_mapped_cluster()
320 	cluster = fat_bmap_cluster(inode, cluster);  in fat_get_mapped_cluster()
321 	if (cluster < 0)  in fat_get_mapped_cluster()
322 		return cluster;  in fat_get_mapped_cluster()
323 	else if (cluster) {  in fat_get_mapped_cluster()
324 		*bmap = fat_clus_to_blknr(sbi, cluster) + offset;  in fat_get_mapped_cluster()