+int get_fsid(const char *path, u8 *fsid, int silent);
+
+int is_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[]);
+int add_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[],
+ int fd, DIR *dirstream);
+void free_seen_fsid(struct seen_fsid *seen_fsid_hash[]);
+