int lafs_imap_set(struct lafs_ino *, int inum);
int lafs_add_free_seg(struct lafs*, int dev, loff_t seg);
+void lafs_find_free(struct lafs *fs);
void lafs_inode_init(struct lafs *, char *, int type);
struct lafs_ino *lafs_import_inode_buf(struct lafs *fs,